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Posted to commits@poi.apache.org by ki...@apache.org on 2020/12/24 18:42:38 UTC

svn commit: r1884783 [39/40] - in /poi: site/src/documentation/content/xdocs/ trunk/ trunk/sonar/ trunk/sonar/integration-test/ trunk/sonar/ooxml/ trunk/src/excelant/poi-ant-contrib/ trunk/src/excelant/testcases/org/apache/poi/ss/excelant/ trunk/src/ex...

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestArrayUtil.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestArrayUtil.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestArrayUtil.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestArrayUtil.java Thu Dec 24 18:42:29 2020
@@ -18,12 +18,12 @@
 
 package org.apache.poi.util;
 
-import static org.junit.Assert.assertArrayEquals;
-import static org.junit.Assert.fail;
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import java.util.Arrays;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Unit test for ArrayUtil
@@ -83,19 +83,11 @@ public class TestArrayUtil {
 		}
 
 		// Check can't shift more than we have
-		try {
-			ArrayUtil.arrayMoveWithin(getIntsList(), 7, 3, 5);
-			fail();
-		} catch(IllegalArgumentException e) {
-			// Good, we don't have 5 from 7 onwards
-		}
+		assertThrows(IllegalArgumentException.class, () -> ArrayUtil.arrayMoveWithin(getIntsList(), 7, 3, 5));
+		// Good, we don't have 5 from 7 onwards
 
 		// Check can't shift where would overshoot
-		try {
-			ArrayUtil.arrayMoveWithin(getIntsList(), 2, 7, 5);
-			fail();
-		} catch(IllegalArgumentException e) {
-			// Good, we can't fit 5 in starting at 7
-		}
+		assertThrows(IllegalArgumentException.class, () -> ArrayUtil.arrayMoveWithin(getIntsList(), 2, 7, 5));
+		// Good, we can't fit 5 in starting at 7
 	}
 }

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestBitField.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestBitField.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestBitField.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestBitField.java Thu Dec 24 18:42:29 2020
@@ -17,11 +17,11 @@
 
 package org.apache.poi.util;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Class to test BitField functionality

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestByteField.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestByteField.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestByteField.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestByteField.java Thu Dec 24 18:42:29 2020
@@ -18,13 +18,13 @@
 
 package org.apache.poi.util;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.fail;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.fail;
 
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Unit test for ByteField class
@@ -86,11 +86,11 @@ public final class TestByteField {
 
         for (int j = 0; j < _test_array.length; j++) {
             field.set(_test_array[ j ]);
-            assertEquals("testing _1 " + j, _test_array[ j ], field.get());
+            assertEquals(_test_array[ j ], field.get(), "testing _1 " + j);
             field = new ByteField(0);
             field.set(_test_array[ j ], array);
-            assertEquals("testing _2 ", _test_array[ j ], field.get());
-            assertEquals("testing _3 ", _test_array[ j ], array[ 0 ]);
+            assertEquals(_test_array[ j ], field.get(), "testing _2 ");
+            assertEquals(_test_array[ j ], array[ 0 ], "testing _3 ");
         }
     }
 
@@ -109,7 +109,7 @@ public final class TestByteField {
         for (int j = 0; j < _test_array.length; j++) {
             array[ 0 ] = _test_array[ j ];
             field.readFromBytes(array);
-            assertEquals("testing " + j, _test_array[ j ], field.get());
+            assertEquals(_test_array[ j ], field.get(), "testing " + j);
         }
     }
 
@@ -120,7 +120,7 @@ public final class TestByteField {
 
         for (int j = 0; j < _test_array.length; j++) {
             field.readFromStream(stream);
-            assertEquals("Testing " + j, _test_array[ j ], field.get());
+            assertEquals(_test_array[ j ], field.get(), "Testing " + j);
         }
     }
 
@@ -132,7 +132,7 @@ public final class TestByteField {
         for (byte b : _test_array) {
             field.set(b);
             field.writeToBytes(array);
-            assertEquals("testing ", b, array[ 0 ]);
+            assertEquals(b, array[ 0 ], "testing ");
         }
     }
 }

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestHexDump.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestHexDump.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestHexDump.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestHexDump.java Thu Dec 24 18:42:29 2020
@@ -17,10 +17,10 @@
 
 package org.apache.poi.util;
 
-import static org.junit.Assert.assertArrayEquals;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
@@ -28,21 +28,21 @@ import java.io.OutputStream;
 import java.io.PrintStream;
 import java.io.UnsupportedEncodingException;
 
-import org.junit.AfterClass;
-import org.junit.BeforeClass;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
 
 public class TestHexDump {
 
     private static PrintStream SYSTEM_OUT;
 
-    @BeforeClass
+    @BeforeAll
     public static void setUp() throws UnsupportedEncodingException {
         SYSTEM_OUT = System.out;
         System.setOut(new PrintStream(new OutputStream() {public void write(int b) {}}, false, "UTF-8"));
     }
 
-    @AfterClass
+    @AfterAll
     public static void tearDown() {
         System.setOut(SYSTEM_OUT);
     }
@@ -55,8 +55,8 @@ public class TestHexDump {
         byte[] bytesAct = streamAct.toByteArray();
         byte[] bytesExp = toHexDump(0, 0);
 
-        assertEquals("array size mismatch", bytesExp.length, bytesAct.length);
-        assertArrayEquals("array mismatch", bytesExp, bytesAct);
+        assertEquals(bytesExp.length, bytesAct.length, "array size mismatch");
+        assertArrayEquals(bytesExp, bytesAct, "array mismatch");
 
         // verify proper behavior with non-zero offset
         streamAct.reset();
@@ -64,8 +64,8 @@ public class TestHexDump {
         bytesAct = streamAct.toByteArray();
         bytesExp = toHexDump(0x10000000L,0);
 
-        assertEquals("array size mismatch", bytesExp.length, bytesAct.length);
-        assertArrayEquals("array mismatch", bytesExp, bytesAct);
+        assertEquals(bytesExp.length, bytesAct.length, "array size mismatch");
+        assertArrayEquals(bytesExp, bytesAct, "array mismatch");
 
         // verify proper behavior with negative offset
         streamAct.reset();
@@ -73,8 +73,8 @@ public class TestHexDump {
         bytesAct = streamAct.toByteArray();
         bytesExp = toHexDump(0xFF000000L,0);
 
-        assertEquals("array size mismatch", bytesExp.length, bytesAct.length);
-        assertArrayEquals("array mismatch", bytesExp, bytesAct);
+        assertEquals(bytesExp.length, bytesAct.length, "array size mismatch");
+        assertArrayEquals(bytesExp, bytesAct, "array mismatch");
 
         // verify proper behavior with non-zero index
         streamAct.reset();
@@ -82,36 +82,20 @@ public class TestHexDump {
         bytesAct = streamAct.toByteArray();
         bytesExp = toHexDump(0xFF000000L,0x81);
 
-        assertEquals("array size mismatch", bytesExp.length, bytesAct.length);
-        assertArrayEquals("array mismatch", bytesExp, bytesAct);
+        assertEquals(bytesExp.length, bytesAct.length, "array size mismatch");
+        assertArrayEquals(bytesExp, bytesAct, "array mismatch");
 
 
         // verify proper behavior with negative index
-        try {
-            streamAct.reset();
-            HexDump.dump(testArray, 0x10000000L, streamAct, -1);
-            fail("should have caught ArrayIndexOutOfBoundsException on negative index");
-        } catch (ArrayIndexOutOfBoundsException ignored_exception) {
-            // as expected
-        }
+        streamAct.reset();
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> HexDump.dump(testArray, 0x10000000L, streamAct, -1));
 
         // verify proper behavior with index that is too large
-        try {
-            streamAct.reset();
-            HexDump.dump(testArray, 0x10000000L, streamAct, testArray.length);
-            fail("should have caught ArrayIndexOutOfBoundsException on large index");
-        } catch (ArrayIndexOutOfBoundsException ignored_exception) {
-            // as expected
-        }
+        streamAct.reset();
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> HexDump.dump(testArray, 0x10000000L, streamAct, testArray.length));
 
         // verify proper behavior with null stream
-        try {
-            HexDump.dump(testArray, 0x10000000L, null, 0);
-            fail("should have caught IllegalArgumentException on negative index");
-        } catch (IllegalArgumentException ignored_exception) {
-
-            // as expected
-        }
+        assertThrows(IllegalArgumentException.class, () -> HexDump.dump(testArray, 0x10000000L, null, 0));
 
         // verify proper behaviour with empty byte array
         streamAct.reset();
@@ -178,28 +162,18 @@ public class TestHexDump {
         byte[] testArray = testArray();
         String dump = HexDump.dump(testArray, 0, 0);
         //System.out.println("Hex: \n" + dump);
-        assertTrue("Had: \n" + dump,
-                dump.contains("0123456789:;<=>?"));
+        assertTrue(dump.contains("0123456789:;<=>?"), "Had: \n" + dump);
 
         dump = HexDump.dump(testArray, 2, 1);
         //System.out.println("Hex: \n" + dump);
-        assertTrue("Had: \n" + dump,
-                dump.contains("123456789:;<=>?@"));
+        assertTrue(dump.contains("123456789:;<=>?@"), "Had: \n" + dump);
     }
 
-    @Test(expected=ArrayIndexOutOfBoundsException.class)
+    @Test
     public void testDumpToStringOutOfIndex1() {
-        HexDump.dump(new byte[1], 0, -1);
-    }
-
-    @Test(expected=ArrayIndexOutOfBoundsException.class)
-    public void testDumpToStringOutOfIndex2() {
-        HexDump.dump(new byte[1], 0, 2);
-    }
-
-    @Test(expected=ArrayIndexOutOfBoundsException.class)
-    public void testDumpToStringOutOfIndex3() {
-        HexDump.dump(new byte[1], 0, 1);
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> HexDump.dump(new byte[1], 0, -1));
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> HexDump.dump(new byte[1], 0, 2));
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> HexDump.dump(new byte[1], 0, 1));
     }
 
     @Test

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestIOUtils.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestIOUtils.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestIOUtils.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestIOUtils.java Thu Dec 24 18:42:29 2020
@@ -17,12 +17,12 @@
 
 package org.apache.poi.util;
 
-import static org.junit.Assert.assertArrayEquals;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
@@ -38,19 +38,19 @@ import java.nio.charset.StandardCharsets
 import java.util.Random;
 
 import org.apache.poi.EmptyFileException;
-import org.junit.AfterClass;
-import org.junit.BeforeClass;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
 
 /**
  * Class to test IOUtils
  */
 public final class TestIOUtils {
 
-    static File TMP;
-    static final long LENGTH = 300+new Random().nextInt(9000);
+    private static File TMP;
+    private static final long LENGTH = 300+new Random().nextInt(9000);
 
-    @BeforeClass
+    @BeforeAll
     public static void setUp() throws IOException {
         TMP = File.createTempFile("poi-ioutils-", "");
         OutputStream os = new FileOutputStream(TMP);
@@ -62,11 +62,15 @@ public final class TestIOUtils {
 
     }
 
-    @AfterClass
+    @AfterAll
     public static void tearDown() {
         if (TMP != null) assertTrue(TMP.delete());
     }
 
+    private static InputStream data123() {
+        return new ByteArrayInputStream(new byte[]{1,2,3});
+    }
+
     @Test
     public void testPeekFirst8Bytes() throws Exception {
         assertArrayEquals("01234567".getBytes(StandardCharsets.UTF_8),
@@ -81,43 +85,38 @@ public final class TestIOUtils {
 
     @Test
     public void testPeekFirst8BytesTooLessAvailable() throws Exception {
-        assertArrayEquals(new byte[] { 1, 2, 3, 0, 0, 0, 0, 0},
-                IOUtils.peekFirst8Bytes(new ByteArrayInputStream(new byte[] { 1, 2, 3})));
+        assertArrayEquals(new byte[] { 1, 2, 3, 0, 0, 0, 0, 0}, IOUtils.peekFirst8Bytes(data123()));
     }
 
-    @Test(expected = EmptyFileException.class)
-    public void testPeekFirst8BytesEmpty() throws Exception {
-        IOUtils.peekFirst8Bytes(new ByteArrayInputStream(new byte[] {}));
+    @Test
+    public void testPeekFirst8BytesEmpty() {
+        assertThrows(EmptyFileException.class, () ->
+            IOUtils.peekFirst8Bytes(new ByteArrayInputStream(new byte[0])));
     }
 
     @Test
     public void testToByteArray() throws Exception {
-        assertArrayEquals(new byte[] { 1, 2, 3},
-                IOUtils.toByteArray(new ByteArrayInputStream(new byte[] { 1, 2, 3})));
+        assertArrayEquals(new byte[] { 1, 2, 3}, IOUtils.toByteArray(data123()));
     }
 
-    @Test(expected = IOException.class)
-    public void testToByteArrayToSmall() throws Exception {
-        assertArrayEquals(new byte[] { 1, 2, 3},
-                IOUtils.toByteArray(new ByteArrayInputStream(new byte[] { 1, 2, 3}), 10));
+    @Test
+    public void testToByteArrayToSmall() {
+        assertThrows(IOException.class, () -> IOUtils.toByteArray(data123(), 10));
     }
 
-    @Test(expected = IOException.class)
-    public void testToByteArrayMaxLengthToSmall() throws Exception {
-        assertArrayEquals(new byte[] { 1, 2, 3},
-                IOUtils.toByteArray(new ByteArrayInputStream(new byte[] { 1, 2, 3}), 10, 10));
+    @Test
+    public void testToByteArrayMaxLengthToSmall() {
+        assertThrows(IOException.class, () -> IOUtils.toByteArray(data123(), 10, 10));
     }
 
-    @Test(expected = RecordFormatException.class)
-    public void testToByteArrayNegativeLength() throws Exception {
-        assertArrayEquals(new byte[] { 1, 2, 3},
-                IOUtils.toByteArray(new ByteArrayInputStream(new byte[] { 1, 2, 3}), -1));
+    @Test
+    public void testToByteArrayNegativeLength() {
+        assertThrows(RecordFormatException.class, () -> IOUtils.toByteArray(data123(), -1));
     }
 
-    @Test(expected = RecordFormatException.class)
-    public void testToByteArrayNegativeMaxLength() throws Exception {
-        assertArrayEquals(new byte[] { 1, 2, 3},
-                IOUtils.toByteArray(new ByteArrayInputStream(new byte[] { 1, 2, 3}), 10, -1));
+    @Test
+    public void testToByteArrayNegativeMaxLength() {
+        assertThrows(RecordFormatException.class,  () -> IOUtils.toByteArray(data123(), 10, -1));
     }
 
     @Test
@@ -148,7 +147,7 @@ public final class TestIOUtils {
     public void testSkipFully() throws IOException {
         try (InputStream is =  new FileInputStream(TMP)) {
             long skipped = IOUtils.skipFully(is, 20000L);
-            assertEquals("length: " + LENGTH, LENGTH, skipped);
+            assertEquals(LENGTH, skipped);
         }
     }
 
@@ -156,7 +155,7 @@ public final class TestIOUtils {
     public void testSkipFullyGtIntMax() throws IOException {
         try (InputStream is =  new FileInputStream(TMP)) {
             long skipped = IOUtils.skipFully(is, Integer.MAX_VALUE + 20000L);
-            assertEquals("length: " + LENGTH, LENGTH, skipped);
+            assertEquals(LENGTH, skipped);
         }
     }
 
@@ -166,7 +165,7 @@ public final class TestIOUtils {
         try (InputStream is = new FileInputStream(TMP)) {
             IOUtils.copy(is, bos);
             long skipped = IOUtils.skipFully(new ByteArrayInputStream(bos.toByteArray()), 20000L);
-            assertEquals("length: " + LENGTH, LENGTH, skipped);
+            assertEquals(LENGTH, skipped);
         }
     }
 
@@ -176,7 +175,7 @@ public final class TestIOUtils {
         try (InputStream is = new FileInputStream(TMP)) {
             IOUtils.copy(is, bos);
             long skipped = IOUtils.skipFully(new ByteArrayInputStream(bos.toByteArray()), Integer.MAX_VALUE + 20000L);
-            assertEquals("length: " + LENGTH, LENGTH, skipped);
+            assertEquals(LENGTH, skipped);
         }
     }
 
@@ -188,28 +187,28 @@ public final class TestIOUtils {
     @Test
     public void testZeroByte() throws IOException {
         long skipped = IOUtils.skipFully((new ByteArrayInputStream(new byte[0])), 100);
-        assertEquals("zero byte", -1L, skipped);
+        assertEquals(-1L, skipped);
     }
 
     @Test
     public void testSkipZero() throws IOException {
         try (InputStream is =  new FileInputStream(TMP)) {
             long skipped = IOUtils.skipFully(is, 0);
-            assertEquals("zero length", 0, skipped);
+            assertEquals(0, skipped);
         }
     }
 
-    @Test(expected = IllegalArgumentException.class)
+    @Test
     public void testSkipNegative() throws IOException {
         try (InputStream is =  new FileInputStream(TMP)) {
-            IOUtils.skipFully(is, -1);
+            assertThrows(IllegalArgumentException.class, () -> IOUtils.skipFully(is, -1));
         }
     }
 
-    @Test(expected = RecordFormatException.class)
+    @Test
     public void testMaxLengthTooLong() throws IOException {
         try (InputStream is = new FileInputStream(TMP)) {
-            IOUtils.toByteArray(is, Integer.MAX_VALUE, 100);
+            assertThrows(RecordFormatException.class, () -> IOUtils.toByteArray(is, Integer.MAX_VALUE, 100));
         }
     }
 
@@ -222,17 +221,17 @@ public final class TestIOUtils {
         }
     }
 
-    @Test(expected = RecordFormatException.class)
+    @Test
     public void testMaxLengthInvalid() throws IOException {
         try (InputStream is = new FileInputStream(TMP)) {
-            IOUtils.toByteArray(is, 90, 80);
+            assertThrows(RecordFormatException.class, () -> IOUtils.toByteArray(is, 90, 80));
         }
     }
 
     @Test
     public void testWonkyInputStream() throws IOException {
         long skipped = IOUtils.skipFully(new WonkyInputStream(), 10000);
-        assertEquals("length: "+LENGTH, 10000, skipped);
+        assertEquals(10000, skipped);
     }
 
     @Test
@@ -257,16 +256,11 @@ public final class TestIOUtils {
     }
 
     @Test
-    public void testSetMaxOverrideOverLimit() throws IOException {
+    public void testSetMaxOverrideOverLimit() {
         IOUtils.setByteArrayMaxOverride(2);
         try {
             ByteArrayInputStream stream = new ByteArrayInputStream("abc".getBytes(StandardCharsets.UTF_8));
-            try {
-                IOUtils.toByteArray(stream);
-                fail("Should have caught an Exception here");
-            } catch (RecordFormatException e) {
-                // expected
-            }
+            assertThrows(RecordFormatException.class, () -> IOUtils.toByteArray(stream));
         } finally {
             IOUtils.setByteArrayMaxOverride(-1);
         }
@@ -298,12 +292,7 @@ public final class TestIOUtils {
         IOUtils.setByteArrayMaxOverride(2);
         try {
             ByteArrayInputStream stream = new ByteArrayInputStream("abc".getBytes(StandardCharsets.UTF_8));
-            try {
-                IOUtils.toByteArray(stream, 3, 100);
-                fail("Should have caught an Exception here");
-            } catch (RecordFormatException e) {
-                // expected
-            }
+            assertThrows(RecordFormatException.class, () -> IOUtils.toByteArray(stream, 3, 100));
         } finally {
             IOUtils.setByteArrayMaxOverride(-1);
         }

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestIntList.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestIntList.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestIntList.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestIntList.java Thu Dec 24 18:42:29 2020
@@ -17,15 +17,15 @@
 
 package org.apache.poi.util;
 
-import org.junit.Test;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotEquals;
+import static org.junit.jupiter.api.Assertions.assertNotSame;
+import static org.junit.jupiter.api.Assertions.assertSame;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertNotSame;
-import static org.junit.Assert.assertSame;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
+import org.junit.jupiter.api.Test;
 
 /**
  * Class to test IntList
@@ -50,18 +50,17 @@ public final class TestIntList {
 
     @Test
     public void testAdd() {
-        IntList list      = new IntList();
-        int[]   testArray =
-        {
-            0, 1, 2, 3, 5
-        };
+        IntList list = new IntList();
+        int[] testArray =
+            {
+                0, 1, 2, 3, 5
+            };
 
         for (int element : testArray) {
             list.add(element);
         }
-        for (int j = 0; j < testArray.length; j++)
-        {
-            assertEquals(testArray[ j ], list.get(j));
+        for (int j = 0; j < testArray.length; j++) {
+            assertEquals(testArray[j], list.get(j));
         }
         assertEquals(testArray.length, list.size());
 
@@ -69,59 +68,44 @@ public final class TestIntList {
         list.add(0, -1);
         assertEquals(-1, list.get(0));
         assertEquals(testArray.length + 1, list.size());
-        for (int j = 0; j < testArray.length; j++)
-        {
-            assertEquals(testArray[ j ], list.get(j + 1));
+        for (int j = 0; j < testArray.length; j++) {
+            assertEquals(testArray[j], list.get(j + 1));
         }
 
         // add in the middle
         list.add(5, 4);
         assertEquals(4, list.get(5));
         assertEquals(testArray.length + 2, list.size());
-        for (int j = 0; j < list.size(); j++)
-        {
+        for (int j = 0; j < list.size(); j++) {
             assertEquals(j - 1, list.get(j));
         }
 
         // add at the end
         list.add(list.size(), 6);
         assertEquals(testArray.length + 3, list.size());
-        for (int j = 0; j < list.size(); j++)
-        {
+        for (int j = 0; j < list.size(); j++) {
             assertEquals(j - 1, list.get(j));
         }
 
         // add past end
-        try
-        {
-            list.add(list.size() + 1, 8);
-            fail("should have thrown exception");
-        }
-        catch (IndexOutOfBoundsException e)
-        {
-
-            // as expected
-        }
+        IntList list2 = list;
+        assertThrows(IndexOutOfBoundsException.class, () -> list2.add(list2.size() + 1, 8));
 
         // test growth
         list = new IntList(0);
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             list.add(j);
         }
         assertEquals(1000, list.size());
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             assertEquals(j, list.get(j));
         }
         list = new IntList(0);
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             list.add(0, j);
         }
         assertEquals(1000, list.size());
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             assertEquals(j, list.get(999 - j));
         }
     }
@@ -130,8 +114,7 @@ public final class TestIntList {
     public void testAddAll() {
         IntList list = new IntList();
 
-        for (int j = 0; j < 5; j++)
-        {
+        for (int j = 0; j < 5; j++) {
             list.add(j);
         }
         IntList list2 = new IntList(0);
@@ -139,29 +122,19 @@ public final class TestIntList {
         list2.addAll(list);
         list2.addAll(list);
         assertEquals(2 * list.size(), list2.size());
-        for (int j = 0; j < 5; j++)
-        {
+        for (int j = 0; j < 5; j++) {
             assertEquals(list2.get(j), j);
             assertEquals(list2.get(j + list.size()), j);
         }
         IntList empty = new IntList();
-        int     limit = list.size();
+        int limit = list.size();
 
-        for (int j = 0; j < limit; j++)
-        {
+        for (int j = 0; j < limit; j++) {
             assertTrue(list.addAll(j, empty));
             assertEquals(limit, list.size());
         }
-        try
-        {
-            list.addAll(limit + 1, empty);
-            fail("should have thrown an exception");
-        }
-        catch (IndexOutOfBoundsException e)
-        {
 
-            // as expected
-        }
+        assertThrows(IndexOutOfBoundsException.class, () -> list.addAll(limit + 1, empty));
 
         // try add at beginning
         empty.addAll(0, list);
@@ -215,20 +188,17 @@ public final class TestIntList {
     public void testClear() {
         IntList list = new IntList();
 
-        for (int j = 0; j < 500; j++)
-        {
+        for (int j = 0; j < 500; j++) {
             list.add(j);
         }
         assertEquals(500, list.size());
         list.clear();
         assertEquals(0, list.size());
-        for (int j = 0; j < 500; j++)
-        {
+        for (int j = 0; j < 500; j++) {
             list.add(j + 1);
         }
         assertEquals(500, list.size());
-        for (int j = 0; j < 500; j++)
-        {
+        for (int j = 0; j < 500; j++) {
             assertEquals(j + 1, list.get(j));
         }
     }
@@ -237,18 +207,13 @@ public final class TestIntList {
     public void testContains() {
         IntList list = new IntList();
 
-        for (int j = 0; j < 1000; j += 2)
-        {
+        for (int j = 0; j < 1000; j += 2) {
             list.add(j);
         }
-        for (int j = 0; j < 1000; j++)
-        {
-            if (j % 2 == 0)
-            {
+        for (int j = 0; j < 1000; j++) {
+            if (j % 2 == 0) {
                 assertTrue(list.contains(j));
-            }
-            else
-            {
+            } else {
                 assertFalse(list.contains(j));
             }
         }
@@ -259,8 +224,7 @@ public final class TestIntList {
         IntList list = new IntList();
 
         assertTrue(list.containsAll(list));
-        for (int j = 0; j < 10; j++)
-        {
+        for (int j = 0; j < 10; j++) {
             list.add(j);
         }
         IntList list2 = new IntList(list);
@@ -306,46 +270,27 @@ public final class TestIntList {
     public void testGet() {
         IntList list = new IntList();
 
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             list.add(j);
         }
-        for (int j = 0; j < 1001; j++)
-        {
-            try
-            {
-                assertEquals(j, list.get(j));
-                if (j == 1000)
-                {
-                    fail("should have gotten exception");
-                }
-            }
-            catch (IndexOutOfBoundsException e)
-            {
-                if (j != 1000)
-                {
-                    fail("unexpected IndexOutOfBoundsException");
-                }
-            }
+        for (int j = 0; j < 1000; j++) {
+            assertEquals(j, list.get(j));
         }
+
+        assertThrows(IndexOutOfBoundsException.class, () -> list.get(1000));
     }
 
     @Test
     public void testIndexOf() {
         IntList list = new IntList();
 
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             list.add(j / 2);
         }
-        for (int j = 0; j < 1000; j++)
-        {
-            if (j < 500)
-            {
+        for (int j = 0; j < 1000; j++) {
+            if (j < 500) {
                 assertEquals(j * 2, list.indexOf(j));
-            }
-            else
-            {
+            } else {
                 assertEquals(-1, list.indexOf(j));
             }
         }
@@ -378,18 +323,13 @@ public final class TestIntList {
     public void testLastIndexOf() {
         IntList list = new IntList();
 
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             list.add(j / 2);
         }
-        for (int j = 0; j < 1000; j++)
-        {
-            if (j < 500)
-            {
+        for (int j = 0; j < 1000; j++) {
+            if (j < 500) {
                 assertEquals(1 + j * 2, list.lastIndexOf(j));
-            }
-            else
-            {
+            } else {
                 assertEquals(-1, list.indexOf(j));
             }
         }
@@ -399,48 +339,33 @@ public final class TestIntList {
     public void testRemove() {
         IntList list = new IntList();
 
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             list.add(j);
         }
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             assertEquals(j, list.remove(0));
             assertEquals(999 - j, list.size());
         }
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             list.add(j);
         }
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             assertEquals(999 - j, list.remove(999 - j));
             assertEquals(999 - j, list.size());
         }
-        try
-        {
-            list.remove(0);
-            fail("should have caught IndexOutOfBoundsException");
-        }
-        catch (IndexOutOfBoundsException e)
-        {
 
-            // as expected
-        }
+        assertThrows(IndexOutOfBoundsException.class, () -> list.remove(0));
     }
 
     @Test
     public void testRemoveValue() {
         IntList list = new IntList();
 
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             list.add(j / 2);
         }
-        for (int j = 0; j < 1000; j++)
-        {
-            if (j < 500)
-            {
+        for (int j = 0; j < 1000; j++) {
+            if (j < 500) {
                 assertTrue(list.removeValue(j));
                 assertTrue(list.removeValue(j));
             }
@@ -452,22 +377,17 @@ public final class TestIntList {
     public void testRemoveAll() {
         IntList list = new IntList();
 
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             list.add(j);
         }
         IntList listCopy = new IntList(list);
-        IntList listOdd  = new IntList();
+        IntList listOdd = new IntList();
         IntList listEven = new IntList();
 
-        for (int j = 0; j < 1000; j++)
-        {
-            if (j % 2 == 0)
-            {
+        for (int j = 0; j < 1000; j++) {
+            if (j % 2 == 0) {
                 listEven.add(j);
-            }
-            else
-            {
+            } else {
                 listOdd.add(j);
             }
         }
@@ -494,22 +414,17 @@ public final class TestIntList {
     public void testRetainAll() {
         IntList list = new IntList();
 
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             list.add(j);
         }
         IntList listCopy = new IntList(list);
-        IntList listOdd  = new IntList();
+        IntList listOdd = new IntList();
         IntList listEven = new IntList();
 
-        for (int j = 0; j < 1000; j++)
-        {
-            if (j % 2 == 0)
-            {
+        for (int j = 0; j < 1000; j++) {
+            if (j % 2 == 0) {
                 listEven.add(j);
-            }
-            else
-            {
+            } else {
                 listOdd.add(j);
             }
         }
@@ -535,43 +450,26 @@ public final class TestIntList {
     public void testSet() {
         IntList list = new IntList();
 
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             list.add(j);
         }
-        for (int j = 0; j < 1001; j++)
-        {
-            try
-            {
-                list.set(j, j + 1);
-                if (j == 1000)
-                {
-                    fail("Should have gotten exception");
-                }
-                assertEquals(j + 1, list.get(j));
-            }
-            catch (IndexOutOfBoundsException e)
-            {
-                if (j != 1000)
-                {
-                    fail("premature exception");
-                }
-            }
+        for (int j = 0; j < 1000; j++) {
+            list.set(j, j + 1);
+            assertEquals(j + 1, list.get(j));
         }
+        assertThrows(IndexOutOfBoundsException.class, () -> list.set(1000, 1001));
     }
 
     @Test
     public void testSize() {
         IntList list = new IntList();
 
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             assertEquals(j, list.size());
             list.add(j);
             assertEquals(j + 1, list.size());
         }
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             assertEquals(1000 - j, list.size());
             list.removeValue(j);
             assertEquals(999 - j, list.size());
@@ -582,41 +480,36 @@ public final class TestIntList {
     public void testToArray() {
         IntList list = new IntList();
 
-        for (int j = 0; j < 1000; j++)
-        {
+        for (int j = 0; j < 1000; j++) {
             list.add(j);
         }
         int[] a1 = list.toArray();
 
         assertEquals(a1.length, list.size());
-        for (int j = 0; j < 1000; j++)
-        {
-            assertEquals(a1[ j ], list.get(j));
+        for (int j = 0; j < 1000; j++) {
+            assertEquals(a1[j], list.get(j));
         }
-        int[] a2 = new int[ list.size() ];
+        int[] a2 = new int[list.size()];
         int[] a3 = list.toArray(a2);
 
         assertSame(a2, a3);
-        for (int j = 0; j < 1000; j++)
-        {
-            assertEquals(a2[ j ], list.get(j));
-        }
-        int[] aShort = new int[ list.size() - 1 ];
-        int[] aLong  = new int[ list.size() + 1 ];
-        int[] a4     = list.toArray(aShort);
-        int[] a5     = list.toArray(aLong);
+        for (int j = 0; j < 1000; j++) {
+            assertEquals(a2[j], list.get(j));
+        }
+        int[] aShort = new int[list.size() - 1];
+        int[] aLong = new int[list.size() + 1];
+        int[] a4 = list.toArray(aShort);
+        int[] a5 = list.toArray(aLong);
 
         assertNotSame(a4, aShort);
         assertNotSame(a5, aLong);
         assertEquals(a4.length, list.size());
-        for (int j = 0; j < 1000; j++)
-        {
-            assertEquals(a3[ j ], list.get(j));
+        for (int j = 0; j < 1000; j++) {
+            assertEquals(a3[j], list.get(j));
         }
         assertEquals(a5.length, list.size());
-        for (int j = 0; j < 1000; j++)
-        {
-            assertEquals(a5[ j ], list.get(j));
+        for (int j = 0; j < 1000; j++) {
+            assertEquals(a5[j], list.get(j));
         }
     }
 }

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestIntegerField.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestIntegerField.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestIntegerField.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestIntegerField.java Thu Dec 24 18:42:29 2020
@@ -17,13 +17,13 @@
 
 package org.apache.poi.util;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.fail;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Test IntegerField code
@@ -34,48 +34,26 @@ public final class TestIntegerField {
 
     @Test
     public void testConstructors() {
-        try
-        {
-            new IntegerField(-1);
-            fail("Should have caught ArrayIndexOutOfBoundsException");
-        } catch (ArrayIndexOutOfBoundsException ignored_e) {
-            // as expected
-        }
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> new IntegerField(-1));
         IntegerField field = new IntegerField(2);
 
         assertEquals(0, field.get());
-        try
-        {
-            new IntegerField(-1, 1);
-            fail("Should have caught ArrayIndexOutOfBoundsException");
-        } catch (ArrayIndexOutOfBoundsException ignored_e) {
-            // as expected
-        }
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> new IntegerField(-1, 1));
         field = new IntegerField(2, 0x12345678);
         assertEquals(0x12345678, field.get());
-        byte[] array = new byte[ 6 ];
 
-        try
-        {
-            new IntegerField(-1, 1, array);
-            fail("Should have caught ArrayIndexOutOfBoundsException");
-        } catch (ArrayIndexOutOfBoundsException ignored_e) {
-            // as expected
-        }
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> new IntegerField(-1, 1, new byte[ 6 ]));
+
+        byte[] array = new byte[ 6 ];
         field = new IntegerField(2, 0x12345678, array);
         assertEquals(0x12345678, field.get());
         assertEquals(( byte ) 0x78, array[ 2 ]);
         assertEquals(( byte ) 0x56, array[ 3 ]);
         assertEquals(( byte ) 0x34, array[ 4 ]);
         assertEquals(( byte ) 0x12, array[ 5 ]);
-        array = new byte[ 5 ];
-        try
-        {
-            new IntegerField(2, 5, array);
-            fail("should have gotten ArrayIndexOutOfBoundsException");
-        } catch (ArrayIndexOutOfBoundsException ignored_e) {
-            // as expected
-        }
+
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> new IntegerField(2, 5, new byte[ 5 ]));
+
         for (int element : _test_array) {
             array = new byte[ 4 ];
             new IntegerField(0, element, array);
@@ -90,43 +68,31 @@ public final class TestIntegerField {
 
         for (int j = 0; j < _test_array.length; j++) {
             field.set(_test_array[ j ]);
-            assertEquals("testing _1 " + j, _test_array[ j ], field.get());
+            assertEquals(_test_array[ j ], field.get(), "testing _1 " + j);
             field = new IntegerField(0);
             field.set(_test_array[ j ], array);
-            assertEquals("testing _2 ", _test_array[ j ], field.get());
-            assertEquals("testing _3.0 " + _test_array[ j ],
-                         ( byte ) (_test_array[ j ] % 256), array[ 0 ]);
-            assertEquals("testing _3.1 " + _test_array[ j ],
-                         ( byte ) ((_test_array[ j ] >> 8) % 256),
-                         array[ 1 ]);
-            assertEquals("testing _3.2 " + _test_array[ j ],
-                         ( byte ) ((_test_array[ j ] >> 16) % 256),
-                         array[ 2 ]);
-            assertEquals("testing _3.3 " + _test_array[ j ],
-                         ( byte ) ((_test_array[ j ] >> 24) % 256),
-                         array[ 3 ]);
+            assertEquals(_test_array[ j ], field.get(), "testing _2 ");
+            assertEquals(( byte ) (_test_array[ j ] % 256), array[ 0 ], "testing _3.0 " + _test_array[ j ]);
+            assertEquals(( byte ) ((_test_array[ j ] >> 8) % 256), array[ 1 ], "testing _3.1 " + _test_array[ j ]);
+            assertEquals(( byte ) ((_test_array[ j ] >> 16) % 256), array[ 2 ], "testing _3.2 " + _test_array[ j ]);
+            assertEquals(( byte ) ((_test_array[ j ] >> 24) % 256), array[ 3 ], "testing _3.3 " + _test_array[ j ]);
         }
     }
 
     @Test
     public void testReadFromBytes() {
-        IntegerField field = new IntegerField(1);
+        IntegerField field1 = new IntegerField(1);
         byte[]       array = new byte[ 4 ];
 
-        try {
-            field.readFromBytes(array);
-            fail("should have caught ArrayIndexOutOfBoundsException");
-        } catch (ArrayIndexOutOfBoundsException ignored_e) {
-            // as expected
-        }
-        field = new IntegerField(0);
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> field1.readFromBytes(array));
+        IntegerField field2 = new IntegerField(0);
         for (int j = 0; j < _test_array.length; j++) {
             array[ 0 ] = ( byte ) (_test_array[ j ] % 256);
             array[ 1 ] = ( byte ) ((_test_array[ j ] >> 8) % 256);
             array[ 2 ] = ( byte ) ((_test_array[ j ] >> 16) % 256);
             array[ 3 ] = ( byte ) ((_test_array[ j ] >> 24) % 256);
-            field.readFromBytes(array);
-            assertEquals("testing " + j, _test_array[ j ], field.get());
+            field2.readFromBytes(array);
+            assertEquals(_test_array[ j ], field2.get(), "testing " + j);
         }
     }
 
@@ -145,7 +111,7 @@ public final class TestIntegerField {
 
         for (int j = 0; j < buffer.length / 4; j++) {
             field.readFromStream(stream);
-            assertEquals("Testing " + j, _test_array[ j ], field.get());
+            assertEquals(_test_array[ j ], field.get(), "Testing " + j);
         }
     }
 
@@ -163,7 +129,7 @@ public final class TestIntegerField {
             val += (array[ 2 ] << 16) & 0x00FF0000;
             val += (array[ 1 ] << 8) & 0x0000FF00;
             val += (array[ 0 ] & 0x000000FF);
-            assertEquals("testing ", b, val);
+            assertEquals(b, val, "testing ");
         }
     }
 }

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestLittleEndian.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestLittleEndian.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestLittleEndian.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestLittleEndian.java Thu Dec 24 18:42:29 2020
@@ -17,16 +17,16 @@
 
 package org.apache.poi.util;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 
 import org.apache.poi.util.LittleEndian.BufferUnderrunException;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Class to test LittleEndian functionality
@@ -81,7 +81,7 @@ public final class TestLittleEndian {
         assertEquals(testdata3[2], (byte)0xFF);
         assertEquals(expected2, LittleEndian.getUShort(testdata3));
         assertEquals(expected3, LittleEndian.getUShort(testdata3, 1));
-        
+
     }
 
     private static final byte[]   _double_array =
@@ -239,13 +239,13 @@ public final class TestLittleEndian {
         assertTrue(compareByteArrays(received, expected, 1, LittleEndianConsts.LONG_SIZE));
     }
 
-    private static byte[] _good_array = {
-        0x01, 0x02, 0x01, 0x02, 
-        0x01, 0x02, 0x01, 0x02, 
+    private static final byte[] _good_array = {
+        0x01, 0x02, 0x01, 0x02,
+        0x01, 0x02, 0x01, 0x02,
         0x01, 0x02, 0x01, 0x02,
         0x01, 0x02, 0x01, 0x02,
     };
-    private static byte[] _bad_array  = {
+    private static final byte[] _bad_array  = {
         0x01
     };
 
@@ -269,13 +269,8 @@ public final class TestLittleEndian {
         }
         assertEquals(count,
                      _good_array.length / LittleEndianConsts.SHORT_SIZE);
-        stream = new ByteArrayInputStream(_bad_array);
-        try {
-            LittleEndian.readShort(stream);
-            fail("Should have caught BufferUnderrunException");
-        } catch (BufferUnderrunException ignored) {
-            // as expected
-        }
+        ByteArrayInputStream stream2 = new ByteArrayInputStream(_bad_array);
+        assertThrows(BufferUnderrunException.class, () -> LittleEndian.readShort(stream2));
     }
 
     /**
@@ -297,14 +292,8 @@ public final class TestLittleEndian {
             }
         }
         assertEquals(count, _good_array.length / LittleEndianConsts.INT_SIZE);
-        stream = new ByteArrayInputStream(_bad_array);
-        try {
-            LittleEndian.readInt(stream);
-            fail("Should have caught BufferUnderrunException");
-        } catch (BufferUnderrunException ignored) {
-
-            // as expected
-        }
+        ByteArrayInputStream  stream2 = new ByteArrayInputStream(_bad_array);
+        assertThrows(BufferUnderrunException.class, () -> LittleEndian.readInt(stream2));
     }
 
     /**
@@ -325,18 +314,12 @@ public final class TestLittleEndian {
                 break;
             }
         }
-        assertEquals(count,
-                     _good_array.length / LittleEndianConsts.LONG_SIZE);
-        stream = new ByteArrayInputStream(_bad_array);
-        try {
-            LittleEndian.readLong(stream);
-            fail("Should have caught BufferUnderrunException");
-        } catch (BufferUnderrunException ignored) {
-            // as expected
-        }
+        assertEquals(count, _good_array.length / LittleEndianConsts.LONG_SIZE);
+        ByteArrayInputStream stream2 = new ByteArrayInputStream(_bad_array);
+        assertThrows(BufferUnderrunException.class, () -> LittleEndian.readLong(stream2));
     }
 
-    @Test(expected = BufferUnderrunException.class)
+    @Test
     public void testReadFromStream() throws IOException {
         int actual;
         actual = LittleEndian.readUShort(new ByteArrayInputStream(new byte[] { 5, -128, }));
@@ -345,7 +328,8 @@ public final class TestLittleEndian {
         actual = LittleEndian.readUShort(new ByteArrayInputStream(new byte[] { 1, 2, 3, 4, }));
         assertEquals(513, actual);
 
-        LittleEndian.readInt(new ByteArrayInputStream(new byte[] { 1, 2, 3, }));
+        assertThrows(BufferUnderrunException.class, () ->
+            LittleEndian.readInt(new ByteArrayInputStream(new byte[] { 1, 2, 3, })));
     }
 
     @Test

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestLittleEndianStreams.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestLittleEndianStreams.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestLittleEndianStreams.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestLittleEndianStreams.java Thu Dec 24 18:42:29 2020
@@ -17,17 +17,17 @@
 
 package org.apache.poi.util;
 
-import static org.junit.Assert.assertArrayEquals;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertThrows;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Class to test {@link LittleEndianInputStream} and {@link LittleEndianOutputStream}
@@ -74,8 +74,8 @@ public final class TestLittleEndianStrea
 		byte[] actBuf = new byte[4];
 		lei.readFully(actBuf);
 
-		assertFalse("Identified bug in readFully() - source buffer was modified",
-					actBuf[0] == 0x00 && srcBuf[0] == 0x77 && srcBuf[3] == 0x44);
+		assertFalse(actBuf[0] == 0x00 && srcBuf[0] == 0x77 && srcBuf[3] == 0x44,
+			"Identified bug in readFully() - source buffer was modified");
 
 		byte[] expBuf = HexRead.readFromString("77 66 55 44");
 		assertArrayEquals(actBuf, expBuf);

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestLocaleUtil.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestLocaleUtil.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestLocaleUtil.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestLocaleUtil.java Thu Dec 24 18:42:29 2020
@@ -17,17 +17,17 @@
 
 package org.apache.poi.util;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assume.assumeFalse;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotEquals;
+import static org.junit.jupiter.api.Assumptions.assumeFalse;
 
 import java.util.Calendar;
 import java.util.Locale;
 import java.util.TimeZone;
 
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
 
 
 public class TestLocaleUtil {
@@ -41,7 +41,7 @@ public class TestLocaleUtil {
      * Reset the Locale to the user default before the test so that it isn't influenced
      * by the LocaleUtil's state being changed by previous tests.
      */
-    @Before
+    @BeforeEach
     @SuppressForbidden("implementation around default locales in POI")
     public void setUp() {
         // reset the user locale and time zone so that tests do not interfere with each other
@@ -60,7 +60,7 @@ public class TestLocaleUtil {
      * Reset the Locale to the user default after the test so that it doesn't influence
      * other tests.
      */
-    @After
+    @AfterEach
     public void tearDown() {
         LocaleUtil.resetUserLocale();
         LocaleUtil.resetUserTimeZone();
@@ -118,10 +118,10 @@ public class TestLocaleUtil {
 
     private static void assertCalendarNotEquals(Calendar expected, Calendar actual) {
         // FIXME: add more tests to compare calendars, ignoring whether the dates are equal
-        assertNotEquals("time zone", expected.getTimeZone(), actual.getTimeZone());
+        assertNotEquals(expected.getTimeZone(), actual.getTimeZone(), "time zone");
     }
     private static void assertCalendarEquals(Calendar expected, Calendar actual) {
         // FIXME: add more tests to compare calendars, ignoring whether the set dates are equal
-        assertEquals("time zone", expected.getTimeZone(), actual.getTimeZone());
+        assertEquals(expected.getTimeZone(), actual.getTimeZone(), "time zone");
     }
 }

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestLongField.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestLongField.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestLongField.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestLongField.java Thu Dec 24 18:42:29 2020
@@ -17,13 +17,14 @@
 
 package org.apache.poi.util;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.fail;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.fail;
 
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Test LongField code
@@ -37,33 +38,21 @@ public final class TestLongField {
 
     @Test
     public void testConstructors() {
-        try {
-            new LongField(-1);
-            fail("Should have caught ArrayIndexOutOfBoundsException");
-        } catch (ArrayIndexOutOfBoundsException ignored_e) {
-            // as expected
-        }
-        LongField field = new LongField(2);
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> new LongField(-1));
 
-        assertEquals(0L, field.get());
-        try {
-            new LongField(-1, 1L);
-            fail("Should have caught ArrayIndexOutOfBoundsException");
-        } catch (ArrayIndexOutOfBoundsException ignored_e) {
-            // as expected
-        }
-        field = new LongField(2, 0x123456789ABCDEF0L);
-        assertEquals(0x123456789ABCDEF0L, field.get());
-        byte[] array = new byte[ 10 ];
+        LongField field1 = new LongField(2);
+        assertEquals(0L, field1.get());
 
-        try {
-            new LongField(-1, 1L, array);
-            fail("Should have caught ArrayIndexOutOfBoundsException");
-        }
-        catch (ArrayIndexOutOfBoundsException ignored_e) {
-            // as expected
-        }
-        field = new LongField(2, 0x123456789ABCDEF0L, array);
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> new LongField(-1, 1L));
+
+        LongField  field2 = new LongField(2, 0x123456789ABCDEF0L);
+        assertEquals(0x123456789ABCDEF0L, field2.get());
+
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> new LongField(-1, 1L, new byte[ 10 ]));
+
+
+        byte[] array = new byte[ 10 ];
+        LongField field = new LongField(2, 0x123456789ABCDEF0L, array);
         assertEquals(0x123456789ABCDEF0L, field.get());
         assertEquals(( byte ) 0xF0, array[ 2 ]);
         assertEquals(( byte ) 0xDE, array[ 3 ]);
@@ -73,13 +62,9 @@ public final class TestLongField {
         assertEquals(( byte ) 0x56, array[ 7 ]);
         assertEquals(( byte ) 0x34, array[ 8 ]);
         assertEquals(( byte ) 0x12, array[ 9 ]);
-        array = new byte[ 9 ];
-        try {
-            new LongField(2, 5L, array);
-            fail("should have gotten ArrayIndexOutOfBoundsException");
-        } catch (ArrayIndexOutOfBoundsException ignored_e) {
-            // as expected
-        }
+
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> new LongField(2, 5L, new byte[ 9 ]));
+
         for (long element : _test_array) {
             array = new byte[ 8 ];
             new LongField(0, element, array);
@@ -94,33 +79,18 @@ public final class TestLongField {
 
         for (int j = 0; j < _test_array.length; j++) {
             field.set(_test_array[ j ]);
-            assertEquals("testing _1 " + j, _test_array[ j ], field.get());
+            assertEquals(_test_array[ j ], field.get(), "testing _1 " + j);
             field = new LongField(0);
             field.set(_test_array[ j ], array);
-            assertEquals("testing _2 ", _test_array[ j ], field.get());
-            assertEquals("testing _3.0 " + _test_array[ j ],
-                         ( byte ) (_test_array[ j ] % 256), array[ 0 ]);
-            assertEquals("testing _3.1 " + _test_array[ j ],
-                         ( byte ) ((_test_array[ j ] >> 8) % 256),
-                         array[ 1 ]);
-            assertEquals("testing _3.2 " + _test_array[ j ],
-                         ( byte ) ((_test_array[ j ] >> 16) % 256),
-                         array[ 2 ]);
-            assertEquals("testing _3.3 " + _test_array[ j ],
-                         ( byte ) ((_test_array[ j ] >> 24) % 256),
-                         array[ 3 ]);
-            assertEquals("testing _3.4 " + _test_array[ j ],
-                         ( byte ) ((_test_array[ j ] >> 32) % 256),
-                         array[ 4 ]);
-            assertEquals("testing _3.5 " + _test_array[ j ],
-                         ( byte ) ((_test_array[ j ] >> 40) % 256),
-                         array[ 5 ]);
-            assertEquals("testing _3.6 " + _test_array[ j ],
-                         ( byte ) ((_test_array[ j ] >> 48) % 256),
-                         array[ 6 ]);
-            assertEquals("testing _3.7 " + _test_array[ j ],
-                         ( byte ) ((_test_array[ j ] >> 56) % 256),
-                         array[ 7 ]);
+            assertEquals(_test_array[ j ], field.get(), "testing _2 ");
+            assertEquals(( byte ) (_test_array[ j ] % 256), array[ 0 ], "testing _3.0 " + _test_array[ j ]);
+            assertEquals(( byte ) ((_test_array[ j ] >> 8) % 256), array[ 1 ], "testing _3.1 " + _test_array[ j ]);
+            assertEquals(( byte ) ((_test_array[ j ] >> 16) % 256), array[ 2 ], "testing _3.2 " + _test_array[ j ]);
+            assertEquals(( byte ) ((_test_array[ j ] >> 24) % 256), array[ 3 ], "testing _3.3 " + _test_array[ j ]);
+            assertEquals(( byte ) ((_test_array[ j ] >> 32) % 256), array[ 4 ], "testing _3.4 " + _test_array[ j ]);
+            assertEquals(( byte ) ((_test_array[ j ] >> 40) % 256), array[ 5 ], "testing _3.5 " + _test_array[ j ]);
+            assertEquals(( byte ) ((_test_array[ j ] >> 48) % 256), array[ 6 ], "testing _3.6 " + _test_array[ j ]);
+            assertEquals(( byte ) ((_test_array[ j ] >> 56) % 256), array[ 7 ], "testing _3.7 " + _test_array[ j ]);
         }
     }
 
@@ -146,7 +116,7 @@ public final class TestLongField {
             array[ 6 ] = ( byte ) ((_test_array[ j ] >> 48) % 256);
             array[ 7 ] = ( byte ) ((_test_array[ j ] >> 56) % 256);
             field.readFromBytes(array);
-            assertEquals("testing " + j, _test_array[ j ], field.get());
+            assertEquals(_test_array[ j ], field.get(), "testing " + j);
         }
     }
 
@@ -169,7 +139,7 @@ public final class TestLongField {
 
         for (int j = 0; j < buffer.length / 8; j++) {
             field.readFromStream(stream);
-            assertEquals("Testing " + j, _test_array[ j ], field.get());
+            assertEquals(_test_array[ j ], field.get(), "Testing " + j);
         }
     }
 
@@ -191,7 +161,7 @@ public final class TestLongField {
             val += ((( long ) array[ 2 ]) << 16) & 0x0000000000FF0000L;
             val += ((( long ) array[ 1 ]) << 8) & 0x000000000000FF00L;
             val += (array[ 0 ] & 0x00000000000000FFL);
-            assertEquals("testing ", element, val);
+            assertEquals(element, val, "testing ");
         }
     }
 }

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestPOILogFactory.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestPOILogFactory.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestPOILogFactory.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestPOILogFactory.java Thu Dec 24 18:42:29 2020
@@ -17,7 +17,7 @@
 
 package org.apache.poi.util;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 public final class TestPOILogFactory {
 

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestPOILogger.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestPOILogger.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestPOILogger.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestPOILogger.java Thu Dec 24 18:42:29 2020
@@ -18,11 +18,11 @@
 
 package org.apache.poi.util;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Tests the log class.
@@ -30,7 +30,7 @@ import org.junit.Test;
 public final class TestPOILogger implements POILogger {
     private String lastLog = "";
     private Throwable lastEx;
-    
+
     /**
      * Test different types of log output.
      */
@@ -41,23 +41,23 @@ public final class TestPOILogger impleme
             POILogFactory._loggerClassName = TestPOILogger.class.getName();
             POILogger log = POILogFactory.getLogger( "foo" );
             assertTrue(log instanceof TestPOILogger);
-            
+
             TestPOILogger tLog = (TestPOILogger)log;
-    
+
             log.log(POILogger.WARN, "Test = ", 1);
             assertEquals("Test = 1", tLog.lastLog);
-            
+
             log.log(POILogger.ERROR, "Test ", 1,2,new Exception("bla"));
             assertEquals("Test 12", tLog.lastLog);
             assertNotNull(tLog.lastEx);
-            
+
             log.log(POILogger.ERROR, "log\nforging", "\nevil","\nlog");
             assertEquals("log forging evil log", tLog.lastLog);
         } finally {
             POILogFactory._loggerClassName = oldLCN;
         }
     }
-    
+
     // ---------- POI Logger methods implemented for testing ----------
 
     @Override

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestRLEDecompressingInputStream.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestRLEDecompressingInputStream.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestRLEDecompressingInputStream.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestRLEDecompressingInputStream.java Thu Dec 24 18:42:29 2020
@@ -17,8 +17,8 @@
 
 package org.apache.poi.util;
 
-import static org.junit.Assert.assertArrayEquals;
-import static org.junit.Assert.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
@@ -26,33 +26,33 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.UnsupportedEncodingException;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 public class TestRLEDecompressingInputStream {
-    
+
     /**
      * Section 3.2.1 No Compression Example
-     * 
+     *
      * The following string illustrates an ASCII text string with a set of characters that cannot be compressed
      * by the compression algorithm specified in section 2.4.1.
-     * 
+     *
      * abcdefghijklmnopqrstuv.
-     * 
+     *
      * This example is provided to demonstrate the results of compressing and decompressing the string
      * using an interoperable implementation of the algorithm specified in section 2.4.1.
-     * 
+     *
      * The following hex array represents the compressed byte array of the example string as compressed by
      * the compression algorithm.
-     * 
+     *
      * 01 19 B0 00 61 62 63 64 65 66 67 68 00 69 6A 6B 6C
      * 6D 6E 6F 70 00 71 72 73 74 75 76 2E
-     * 
+     *
      * The following hex array represents the decompressed byte array of the example string as
      * decompressed by the decompression algorithm.
-     * 
+     *
      * 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F 70 71
      * 72 73 74 75 76 2E
-     * 
+     *
      */
     @Test
     public void noCompressionExample() {
@@ -66,23 +66,23 @@ public class TestRLEDecompressingInputSt
 
     /**
      * Section 3.2.2 Normal Compression Example
-     * 
+     *
      * The following string illustrates an ASCII text string with a typical set of characters that can be
      * compressed by the compression algorithm.
-     * 
+     *
      *     #aaabcdefaaaaghijaaaaaklaaamnopqaaaaaaaaaaaarstuvwxyzaaa
-     * 
+     *
      * This example is provided to demonstrate the results of compressing and decompressing the example
      * string using an interoperable implementation of the algorithm specified in section 2.4.1.
-     * 
+     *
      * The following hex array represents the compressed byte array of the example string as compressed by
      * the compression algorithm:
-     * 
+     *
      *     01 2F B0 00 23 61 61 61 62 63 64 65 82 66 00 70
      *     61 67 68 69 6A 01 38 08 61 6B 6C 00 30 6D 6E 6F
      *     70 06 71 02 70 04 10 72 73 74 75 76 10 77 78 79
      *     7A 00 3C
-     * 
+     *
      * The following hex array represents the decompressed byte array of the example string as
      * decompressed by the decompression algorithm:
      *
@@ -102,23 +102,23 @@ public class TestRLEDecompressingInputSt
         final String expected = "#aaabcdefaaaaghijaaaaaklaaamnopqaaaaaaaaaaaarstuvwxyzaaa";
         checkRLEDecompression(expected, compressed);
     }
-    
+
     /**
      * Section 3.2.3 Maximum Compression Example
-     * 
+     *
      * The following string illustrates an ASCII text string with a typical set of characters that can be
      * compressed by the compression algorithm.
-     * 
+     *
      *     aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
-     * 
+     *
      * This example is provided to demonstrate the results of compressing and decompressing the example
      * string using an interoperable implementation of the algorithm specified in section 2.4.1.
-     * 
+     *
      * The following hex array represents the compressed byte array of the example string as compressed by
      * the compression algorithm:
-     * 
+     *
      *     01 03 B0 02 61 45 00
-     * 
+     *
      * The following hex array represents the decompressed byte array of the example string as
      * decompressed by the decompression algorithm:
      *
@@ -136,7 +136,7 @@ public class TestRLEDecompressingInputSt
         final String expected = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
         checkRLEDecompression(expected, compressed);
     }
-    
+
     @Test
     public void decompress() throws IOException {
         final byte[] compressed = {
@@ -146,7 +146,7 @@ public class TestRLEDecompressingInputSt
         final byte[] expected = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa".getBytes(StringUtil.UTF8);
         assertArrayEquals(expected, expanded);
     }
-    
+
     private static void checkRLEDecompression(String expected, byte[] runLengthEncodedData) {
         InputStream compressedStream = new ByteArrayInputStream(runLengthEncodedData);
         ByteArrayOutputStream out = new ByteArrayOutputStream();

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestShortField.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestShortField.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestShortField.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestShortField.java Thu Dec 24 18:42:29 2020
@@ -17,13 +17,14 @@
 
 package org.apache.poi.util;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.fail;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.fail;
 
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Test ShortField code
@@ -34,42 +35,24 @@ public final class TestShortField {
 
     @Test
     public void testConstructors() {
-        try {
-            new ShortField(-1);
-            fail("Should have caught ArrayIndexOutOfBoundsException");
-        } catch (ArrayIndexOutOfBoundsException ignored_e) {
-            // as expected
-        }
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> new ShortField(-1));
         ShortField field = new ShortField(2);
 
         assertEquals(0, field.get());
-        try {
-            new ShortField(-1, ( short ) 1);
-            fail("Should have caught ArrayIndexOutOfBoundsException");
-        } catch (ArrayIndexOutOfBoundsException ignored_e) {
-            // as expected
-        }
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> new ShortField(-1, ( short ) 1));
         field = new ShortField(2, ( short ) 0x1234);
         assertEquals(0x1234, field.get());
-        byte[] array = new byte[ 4 ];
 
-        try {
-            new ShortField(-1, ( short ) 1, array);
-            fail("Should have caught ArrayIndexOutOfBoundsException");
-        } catch (ArrayIndexOutOfBoundsException ignored_e) {
-            // as expected
-        }
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> new ShortField(-1, ( short ) 1, new byte[ 4 ]));
+
+        byte[] array = new byte[ 4 ];
         field = new ShortField(2, ( short ) 0x1234, array);
         assertEquals(( short ) 0x1234, field.get());
         assertEquals(( byte ) 0x34, array[ 2 ]);
         assertEquals(( byte ) 0x12, array[ 3 ]);
-        array = new byte[ 3 ];
-        try {
-            new ShortField(2, ( short ) 5, array);
-            fail("should have gotten ArrayIndexOutOfBoundsException");
-        } catch (ArrayIndexOutOfBoundsException ignored_e) {
-            // as expected
-        }
+
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> new ShortField(2, ( short ) 5, new byte[ 3 ]));
+
         for (short element : _test_array) {
             array = new byte[ 2 ];
             new ShortField(0, element, array);
@@ -84,36 +67,29 @@ public final class TestShortField {
 
         for (int j = 0; j < _test_array.length; j++) {
             field.set(_test_array[ j ]);
-            assertEquals("testing _1 " + j, _test_array[ j ], field.get());
+            assertEquals(_test_array[ j ], field.get(), "testing _1 " + j);
             field = new ShortField(0);
             field.set(_test_array[ j ], array);
-            assertEquals("testing _2 ", _test_array[ j ], field.get());
-            assertEquals("testing _3.0 " + _test_array[ j ],
-                         ( byte ) (_test_array[ j ] % 256), array[ 0 ]);
-            assertEquals("testing _3.1 " + _test_array[ j ],
-                         ( byte ) ((_test_array[ j ] >> 8) % 256),
-                         array[ 1 ]);
+            assertEquals(_test_array[ j ], field.get(), "testing _2 ");
+            assertEquals(( byte ) (_test_array[ j ] % 256), array[ 0 ], "testing _3.0 " + _test_array[ j ]);
+            assertEquals(( byte ) ((_test_array[ j ] >> 8) % 256), array[ 1 ], "testing _3.1 " + _test_array[ j ]);
         }
     }
 
     @Test
     public void testReadFromBytes() {
-        ShortField field = new ShortField(1);
+        ShortField field1 = new ShortField(1);
         byte[]     array = new byte[ 2 ];
 
-        try {
-            field.readFromBytes(array);
-            fail("should have caught ArrayIndexOutOfBoundsException");
-        } catch (ArrayIndexOutOfBoundsException ignored_e) {
-            // as expected
-        }
-        field = new ShortField(0);
+        assertThrows(ArrayIndexOutOfBoundsException.class, () -> field1.readFromBytes(array));
+
+        ShortField field2 = new ShortField(0);
         for (int j = 0; j < _test_array.length; j++)
         {
             array[ 0 ] = ( byte ) (_test_array[ j ] % 256);
             array[ 1 ] = ( byte ) ((_test_array[ j ] >> 8) % 256);
-            field.readFromBytes(array);
-            assertEquals("testing " + j, _test_array[ j ], field.get());
+            field2.readFromBytes(array);
+            assertEquals(_test_array[ j ], field2.get(), "testing " + j);
         }
     }
 
@@ -132,7 +108,7 @@ public final class TestShortField {
         for (int j = 0; j < buffer.length / 2; j++)
         {
             field.readFromStream(stream);
-            assertEquals("Testing " + j, _test_array[ j ], field.get());
+            assertEquals(_test_array[ j ], field.get(), "Testing " + j);
         }
     }
 
@@ -148,7 +124,7 @@ public final class TestShortField {
 
             val &= ( short ) 0xFF00;
             val += ( short ) (array[ 0 ] & 0x00FF);
-            assertEquals("testing ", element, val);
+            assertEquals(element, val, "testing ");
         }
     }
 }

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestStringCodepointsIterable.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestStringCodepointsIterable.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestStringCodepointsIterable.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestStringCodepointsIterable.java Thu Dec 24 18:42:29 2020
@@ -17,11 +17,12 @@
 
 package org.apache.poi.util;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 import java.util.ArrayList;
 import java.util.List;
 
-import org.junit.Assert;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Unit test for StringCodepointsIterable
@@ -37,8 +38,8 @@ public class TestStringCodepointsIterabl
         List<String> codePoints2 = new ArrayList<>();
         sci.iterator().forEachRemaining(codePoints::add);
         sci.iterator().forEachRemaining(codePoints2::add);
-        Assert.assertEquals(17, codePoints.size());
-        Assert.assertEquals(codePoints, codePoints2);
+        assertEquals(17, codePoints.size());
+        assertEquals(codePoints, codePoints2);
     }
 
 }

Modified: poi/trunk/src/testcases/org/apache/poi/util/TestStringUtil.java
URL: http://svn.apache.org/viewvc/poi/trunk/src/testcases/org/apache/poi/util/TestStringUtil.java?rev=1884783&r1=1884782&r2=1884783&view=diff
==============================================================================
--- poi/trunk/src/testcases/org/apache/poi/util/TestStringUtil.java (original)
+++ poi/trunk/src/testcases/org/apache/poi/util/TestStringUtil.java Thu Dec 24 18:42:29 2020
@@ -17,14 +17,15 @@
 
 package org.apache.poi.util;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.junit.jupiter.api.Assertions.fail;
 
 import java.nio.charset.Charset;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Unit test for StringUtil
@@ -66,82 +67,60 @@ public class TestStringUtil {
         StringUtil.putCompressedUnicode( input, output, 0 );
         for ( int j = 0; j < expected_output.length; j++ )
         {
-            assertEquals( "testing offset " + j, expected_output[j],
-                    output[j] );
+            assertEquals( expected_output[j], output[j], "testing offset " + j );
         }
         StringUtil.putCompressedUnicode( input, output,
                 100 - expected_output.length );
         for ( int j = 0; j < expected_output.length; j++ )
         {
-            assertEquals( "testing offset " + j, expected_output[j],
-                    output[100 + j - expected_output.length] );
-        }
-        try
-        {
-            StringUtil.putCompressedUnicode( input, output,
-                    101 - expected_output.length );
-            fail( "Should have caught ArrayIndexOutOfBoundsException" );
-        }
-        catch ( ArrayIndexOutOfBoundsException ignored )
-        {
-            // as expected
+            assertEquals( expected_output[j], output[100 + j - expected_output.length], "testing offset " + j );
         }
+
+        assertThrows(ArrayIndexOutOfBoundsException.class,
+            () -> StringUtil.putCompressedUnicode( input, output, 101 - expected_output.length ));
     }
 
     @Test
     public void testPutUncompressedUnicode() {
         byte[] output = new byte[100];
         String input = "Hello World";
-        byte[] expected_output =
-                {
-                    (byte) 'H', (byte) 0, (byte) 'e', (byte) 0, (byte) 'l',
-                    (byte) 0, (byte) 'l', (byte) 0, (byte) 'o', (byte) 0,
-                    (byte) ' ', (byte) 0, (byte) 'W', (byte) 0, (byte) 'o',
-                    (byte) 0, (byte) 'r', (byte) 0, (byte) 'l', (byte) 0,
-                    (byte) 'd', (byte) 0
-                };
+        byte[] expected_output = {
+            (byte) 'H', (byte) 0, (byte) 'e', (byte) 0, (byte) 'l',
+            (byte) 0, (byte) 'l', (byte) 0, (byte) 'o', (byte) 0,
+            (byte) ' ', (byte) 0, (byte) 'W', (byte) 0, (byte) 'o',
+            (byte) 0, (byte) 'r', (byte) 0, (byte) 'l', (byte) 0,
+            (byte) 'd', (byte) 0
+        };
 
         StringUtil.putUnicodeLE( input, output, 0 );
-        for ( int j = 0; j < expected_output.length; j++ )
-        {
-            assertEquals( "testing offset " + j, expected_output[j],
-                    output[j] );
+        for ( int j = 0; j < expected_output.length; j++ ) {
+            assertEquals( expected_output[j], output[j], "testing offset " + j );
         }
-        StringUtil.putUnicodeLE( input, output,
-                100 - expected_output.length );
-        for ( int j = 0; j < expected_output.length; j++ )
-        {
-            assertEquals( "testing offset " + j, expected_output[j],
-                    output[100 + j - expected_output.length] );
-        }
-        try
-        {
-            StringUtil.putUnicodeLE( input, output,
-                    101 - expected_output.length );
-            fail( "Should have caught ArrayIndexOutOfBoundsException" );
-        }
-        catch ( ArrayIndexOutOfBoundsException ignored )
-        {
-            // as expected
+        StringUtil.putUnicodeLE( input, output, 100 - expected_output.length );
+        for ( int j = 0; j < expected_output.length; j++ ) {
+            assertEquals( expected_output[j], output[100 + j - expected_output.length], "testing offset " + j );
         }
+
+        assertThrows(ArrayIndexOutOfBoundsException.class, () ->
+            StringUtil.putUnicodeLE( input, output, 101 - expected_output.length ));
     }
 
     @Test
     public void startsWithIgnoreCase() {
-        assertTrue("same string", StringUtil.startsWithIgnoreCase("Apache POI", "Apache POI"));
-        assertTrue("longer string", StringUtil.startsWithIgnoreCase("Apache POI project", "Apache POI"));
-        assertTrue("different case", StringUtil.startsWithIgnoreCase("APACHE POI", "Apache POI"));
-        assertFalse("leading whitespace should not be ignored", StringUtil.startsWithIgnoreCase(" Apache POI project", "Apache POI"));
-        assertFalse("shorter string", StringUtil.startsWithIgnoreCase("Apache", "Apache POI"));
+        assertTrue(StringUtil.startsWithIgnoreCase("Apache POI", "Apache POI"), "same string");
+        assertTrue(StringUtil.startsWithIgnoreCase("Apache POI project", "Apache POI"), "longer string");
+        assertTrue(StringUtil.startsWithIgnoreCase("APACHE POI", "Apache POI"), "different case");
+        assertFalse(StringUtil.startsWithIgnoreCase(" Apache POI project", "Apache POI"), "leading whitespace should not be ignored");
+        assertFalse(StringUtil.startsWithIgnoreCase("Apache", "Apache POI"), "shorter string");
     }
 
     @Test
     public void endsWithIgnoreCase() {
-        assertTrue("same string", StringUtil.endsWithIgnoreCase("Apache POI", "Apache POI"));
-        assertTrue("longer string", StringUtil.endsWithIgnoreCase("Project Apache POI", "Apache POI"));
-        assertTrue("different case", StringUtil.endsWithIgnoreCase("APACHE POI", "Apache POI"));
-        assertFalse("trailing whitespace should not be ignored", StringUtil.endsWithIgnoreCase("Apache POI project ", "Apache POI"));
-        assertFalse("shorter string", StringUtil.endsWithIgnoreCase("Apache", "Apache POI"));
+        assertTrue(StringUtil.endsWithIgnoreCase("Apache POI", "Apache POI"), "same string");
+        assertTrue(StringUtil.endsWithIgnoreCase("Project Apache POI", "Apache POI"), "longer string");
+        assertTrue(StringUtil.endsWithIgnoreCase("APACHE POI", "Apache POI"), "different case");
+        assertFalse(StringUtil.endsWithIgnoreCase("Apache POI project ", "Apache POI"), "trailing whitespace should not be ignored");
+        assertFalse(StringUtil.endsWithIgnoreCase("Apache", "Apache POI"), "shorter string");
     }
 
     @Test
@@ -152,27 +131,27 @@ public class TestStringUtil {
         assertEquals("5|8.5|true|string", StringUtil.join("|", 5, 8.5, true, "string")); //assumes Locale prints number decimal point as a period rather than a comma
 
         String[] arr = new String[] { "Apache", "POI", "project" };
-        assertEquals("no separator", "ApachePOIproject", StringUtil.join(arr));
-        assertEquals("separator", "Apache POI project", StringUtil.join(arr, " "));
+        assertEquals("ApachePOIproject", StringUtil.join(arr), "no separator");
+        assertEquals("Apache POI project", StringUtil.join(arr, " "), "separator");
     }
 
     @Test
     public void count() {
         String test = "Apache POI project\n\u00a9 Copyright 2016";
         // supports search in null or empty string
-        assertEquals("null", 0, StringUtil.countMatches(null, 'A'));
-        assertEquals("empty string", 0, StringUtil.countMatches("", 'A'));
+        assertEquals(0, StringUtil.countMatches(null, 'A'), "null");
+        assertEquals(0, StringUtil.countMatches("", 'A'), "empty string");
 
-        assertEquals("normal", 2, StringUtil.countMatches(test, 'e'));
-        assertEquals("normal, should not find a in escaped copyright", 1, StringUtil.countMatches(test, 'a'));
+        assertEquals(2, StringUtil.countMatches(test, 'e'), "normal");
+        assertEquals(1, StringUtil.countMatches(test, 'a'), "normal, should not find a in escaped copyright");
 
         // search for non-printable characters
-        assertEquals("null character", 0, StringUtil.countMatches(test, '\0'));
-        assertEquals("CR", 0, StringUtil.countMatches(test, '\r'));
-        assertEquals("LF", 1, StringUtil.countMatches(test, '\n'));
+        assertEquals(0, StringUtil.countMatches(test, '\0'), "null character");
+        assertEquals(0, StringUtil.countMatches(test, '\r'), "CR");
+        assertEquals(1, StringUtil.countMatches(test, '\n'), "LF");
 
         // search for unicode characters
-        assertEquals("Unicode", 1, StringUtil.countMatches(test, '\u00a9'));
+        assertEquals(1, StringUtil.countMatches(test, '\u00a9'), "Unicode");
     }
 }
 



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