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Posted to commits@harmony.apache.org by sm...@apache.org on 2006/08/29 07:40:47 UTC
svn commit: r437974 [8/19] -
/incubator/harmony/enhanced/classlib/trunk/modules/luni/src/test/java/org/apache/harmony/luni/tests/java/lang/
Modified: incubator/harmony/enhanced/classlib/trunk/modules/luni/src/test/java/org/apache/harmony/luni/tests/java/lang/IntegerTest.java
URL: http://svn.apache.org/viewvc/incubator/harmony/enhanced/classlib/trunk/modules/luni/src/test/java/org/apache/harmony/luni/tests/java/lang/IntegerTest.java?rev=437974&r1=437973&r2=437974&view=diff
==============================================================================
--- incubator/harmony/enhanced/classlib/trunk/modules/luni/src/test/java/org/apache/harmony/luni/tests/java/lang/IntegerTest.java (original)
+++ incubator/harmony/enhanced/classlib/trunk/modules/luni/src/test/java/org/apache/harmony/luni/tests/java/lang/IntegerTest.java Mon Aug 28 22:40:44 2006
@@ -1,1144 +1,1144 @@
-/* Copyright 2006 The Apache Software Foundation or its licensors, as applicable
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.harmony.luni.tests.java.lang;
-
-import java.util.Properties;
-
-import junit.framework.TestCase;
-
-public class IntegerTest extends TestCase {
- private Properties orgProps;
-
- protected void setUp() {
- orgProps = System.getProperties();
- }
-
- protected void tearDown() {
- System.setProperties(orgProps);
- }
-
- /**
- * @tests java.lang.Integer#byteValue()
- */
- public void test_byteValue() {
- // Test for method byte java.lang.Integer.byteValue()
- assertEquals("Returned incorrect byte value", -1, new Integer(65535)
- .byteValue());
- assertEquals("Returned incorrect byte value", 127, new Integer(127)
- .byteValue());
- }
-
- /**
- * @tests java.lang.Integer#compareTo(java.lang.Integer)
- */
- public void test_compareToLjava_lang_Integer() {
- // Test for method int java.lang.Integer.compareTo(java.lang.Integer)
- assertTrue("-2 compared to 1 gave non-negative answer", new Integer(-2)
- .compareTo(new Integer(1)) < 0);
- assertEquals("-2 compared to -2 gave non-zero answer", 0, new Integer(-2)
- .compareTo(new Integer(-2)));
- assertTrue("3 compared to 2 gave non-positive answer", new Integer(3)
- .compareTo(new Integer(2)) > 0);
-
- try {
- new Integer(0).compareTo(null);
- fail("No NPE");
- } catch (NullPointerException e) {
- }
- }
-
- /**
- * @tests java.lang.Integer#decode(java.lang.String)
- */
- public void test_decodeLjava_lang_String2() {
- // Test for method java.lang.Integer
- // java.lang.Integer.decode(java.lang.String)
- assertEquals("Failed for 132233",
- 132233, Integer.decode("132233").intValue());
- assertEquals("Failed for 07654321",
- 07654321, Integer.decode("07654321").intValue());
- assertTrue("Failed for #1234567",
- Integer.decode("#1234567").intValue() == 0x1234567);
- assertTrue("Failed for 0xdAd",
- Integer.decode("0xdAd").intValue() == 0xdad);
- assertEquals("Failed for -23", -23, Integer.decode("-23").intValue());
- assertEquals("Returned incorrect value for 0 decimal", 0, Integer
- .decode("0").intValue());
- assertEquals("Returned incorrect value for 0 hex", 0, Integer.decode("0x0")
- .intValue());
- assertTrue("Returned incorrect value for most negative value decimal",
- Integer.decode("-2147483648").intValue() == 0x80000000);
- assertTrue("Returned incorrect value for most negative value hex",
- Integer.decode("-0x80000000").intValue() == 0x80000000);
- assertTrue("Returned incorrect value for most positive value decimal",
- Integer.decode("2147483647").intValue() == 0x7fffffff);
- assertTrue("Returned incorrect value for most positive value hex",
- Integer.decode("0x7fffffff").intValue() == 0x7fffffff);
-
- boolean exception = false;
- try {
- Integer.decode("0a");
- } catch (NumberFormatException e) {
- // correct
- exception = true;
- }
- assertTrue("Failed to throw NumberFormatException for \"Oa\"",
- exception);
-
- exception = false;
- try {
- Integer.decode("2147483648");
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception for MAX_VALUE + 1", exception);
-
- exception = false;
- try {
- Integer.decode("-2147483649");
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception for MIN_VALUE - 1", exception);
-
- exception = false;
- try {
- Integer.decode("0x80000000");
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception for hex MAX_VALUE + 1", exception);
-
- exception = false;
- try {
- Integer.decode("-0x80000001");
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception for hex MIN_VALUE - 1", exception);
-
- exception = false;
- try {
- Integer.decode("9999999999");
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception for 9999999999", exception);
- }
-
- /**
- * @tests java.lang.Integer#doubleValue()
- */
- public void test_doubleValue2() {
- // Test for method double java.lang.Integer.doubleValue()
- assertEquals("Returned incorrect double value", 2147483647.0, new Integer(2147483647)
- .doubleValue(), 0.0D);
- assertEquals("Returned incorrect double value", -2147483647.0, new Integer(-2147483647)
- .doubleValue(), 0.0D);
- }
-
- /**
- * @tests java.lang.Integer#equals(java.lang.Object)
- */
- public void test_equalsLjava_lang_Object2() {
- // Test for method boolean java.lang.Integer.equals(java.lang.Object)
- Integer i1 = new Integer(1000);
- Integer i2 = new Integer(1000);
- Integer i3 = new Integer(-1000);
- assertTrue("Equality test failed", i1.equals(i2) && !(i1.equals(i3)));
- }
-
- /**
- * @tests java.lang.Integer#floatValue()
- */
- public void test_floatValue2() {
- // Test for method float java.lang.Integer.floatValue()
- assertTrue("Returned incorrect float value", new Integer(65535)
- .floatValue() == 65535.0f);
- assertTrue("Returned incorrect float value", new Integer(-65535)
- .floatValue() == -65535.0f);
- }
-
- /**
- * @tests java.lang.Integer#getInteger(java.lang.String)
- */
- public void test_getIntegerLjava_lang_String() {
- // Test for method java.lang.Integer
- // java.lang.Integer.getInteger(java.lang.String)
- Properties tProps = new Properties();
- tProps.put("testInt", "99");
- System.setProperties(tProps);
- assertTrue("returned incorrect Integer", Integer.getInteger("testInt")
- .equals(new Integer(99)));
- assertNull("returned incorrect default Integer", Integer
- .getInteger("ff"));
- }
-
- /**
- * @tests java.lang.Integer#getInteger(java.lang.String, int)
- */
- public void test_getIntegerLjava_lang_StringI() {
- // Test for method java.lang.Integer
- // java.lang.Integer.getInteger(java.lang.String, int)
- Properties tProps = new Properties();
- tProps.put("testInt", "99");
- System.setProperties(tProps);
- assertTrue("returned incorrect Integer", Integer.getInteger("testInt",
- 4).equals(new Integer(99)));
- assertTrue("returned incorrect default Integer", Integer.getInteger(
- "ff", 4).equals(new Integer(4)));
- }
-
- /**
- * @tests java.lang.Integer#getInteger(java.lang.String, java.lang.Integer)
- */
- public void test_getIntegerLjava_lang_StringLjava_lang_Integer() {
- // Test for method java.lang.Integer
- // java.lang.Integer.getInteger(java.lang.String, java.lang.Integer)
- Properties tProps = new Properties();
- tProps.put("testInt", "99");
- System.setProperties(tProps);
- assertTrue("returned incorrect Integer", Integer.getInteger("testInt",
- new Integer(4)).equals(new Integer(99)));
- assertTrue("returned incorrect default Integer", Integer.getInteger(
- "ff", new Integer(4)).equals(new Integer(4)));
- }
-
- /**
- * @tests java.lang.Integer#hashCode()
- */
- public void test_hashCode2() {
- // Test for method int java.lang.Integer.hashCode()
-
- Integer i1 = new Integer(1000);
- Integer i2 = new Integer(-1000);
- assertTrue("Returned incorrect hashcode", i1.hashCode() == 1000
- && (i2.hashCode() == -1000));
- }
-
- /**
- * @tests java.lang.Integer#intValue()
- */
- public void test_intValue2() {
- // Test for method int java.lang.Integer.intValue()
-
- Integer i = new Integer(8900);
- assertEquals("Returned incorrect int value", 8900, i.intValue());
- }
-
- /**
- * @tests java.lang.Integer#longValue()
- */
- public void test_longValue2() {
- // Test for method long java.lang.Integer.longValue()
- Integer i = new Integer(8900);
- assertEquals("Returned incorrect long value", 8900L, i.longValue());
- }
-
- /**
- * @tests java.lang.Integer#parseInt(java.lang.String)
- */
- public void test_parseIntLjava_lang_String2() {
- // Test for method int java.lang.Integer.parseInt(java.lang.String)
-
- int i = Integer.parseInt("-8900");
- assertEquals("Returned incorrect int", -8900, i);
- assertEquals("Returned incorrect value for 0", 0, Integer.parseInt("0"));
- assertTrue("Returned incorrect value for most negative value", Integer
- .parseInt("-2147483648") == 0x80000000);
- assertTrue("Returned incorrect value for most positive value", Integer
- .parseInt("2147483647") == 0x7fffffff);
-
- boolean exception = false;
- try {
- Integer.parseInt("999999999999");
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception for value > int", exception);
-
- exception = false;
- try {
- Integer.parseInt("2147483648");
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception for MAX_VALUE + 1", exception);
-
- exception = false;
- try {
- Integer.parseInt("-2147483649");
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception for MIN_VALUE - 1", exception);
- }
-
- /**
- * @tests java.lang.Integer#parseInt(java.lang.String, int)
- */
- public void test_parseIntLjava_lang_StringI2() {
- // Test for method int java.lang.Integer.parseInt(java.lang.String, int)
- assertEquals("Parsed dec val incorrectly",
- -8000, Integer.parseInt("-8000", 10));
- assertEquals("Parsed hex val incorrectly",
- 255, Integer.parseInt("FF", 16));
- assertEquals("Parsed oct val incorrectly",
- 16, Integer.parseInt("20", 8));
- assertEquals("Returned incorrect value for 0 hex", 0, Integer.parseInt("0",
- 16));
- assertTrue("Returned incorrect value for most negative value hex",
- Integer.parseInt("-80000000", 16) == 0x80000000);
- assertTrue("Returned incorrect value for most positive value hex",
- Integer.parseInt("7fffffff", 16) == 0x7fffffff);
- assertEquals("Returned incorrect value for 0 decimal", 0, Integer.parseInt(
- "0", 10));
- assertTrue("Returned incorrect value for most negative value decimal",
- Integer.parseInt("-2147483648", 10) == 0x80000000);
- assertTrue("Returned incorrect value for most positive value decimal",
- Integer.parseInt("2147483647", 10) == 0x7fffffff);
-
- boolean exception = false;
- try {
- Integer.parseInt("FFFF", 10);
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue(
- "Failed to throw exception when passes hex string and dec parm",
- exception);
-
- exception = false;
- try {
- Integer.parseInt("2147483648", 10);
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception for MAX_VALUE + 1", exception);
-
- exception = false;
- try {
- Integer.parseInt("-2147483649", 10);
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception for MIN_VALUE - 1", exception);
-
- exception = false;
- try {
- Integer.parseInt("80000000", 16);
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception for hex MAX_VALUE + 1", exception);
-
- exception = false;
- try {
- Integer.parseInt("-80000001", 16);
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception for hex MIN_VALUE + 1", exception);
-
- exception = false;
- try {
- Integer.parseInt("9999999999", 10);
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception for 9999999999", exception);
- }
-
- /**
- * @tests java.lang.Integer#shortValue()
- */
- public void test_shortValue2() {
- // Test for method short java.lang.Integer.shortValue()
- Integer i = new Integer(2147450880);
- assertEquals("Returned incorrect long value", -32768, i.shortValue());
- }
-
- /**
- * @tests java.lang.Integer#toBinaryString(int)
- */
- public void test_toBinaryStringI() {
- // Test for method java.lang.String
- // java.lang.Integer.toBinaryString(int)
- assertEquals("Incorrect string returned", "1111111111111111111111111111111", Integer.toBinaryString(
- Integer.MAX_VALUE));
- assertEquals("Incorrect string returned", "10000000000000000000000000000000", Integer.toBinaryString(
- Integer.MIN_VALUE));
- }
-
- /**
- * @tests java.lang.Integer#toHexString(int)
- */
- public void test_toHexStringI() {
- // Test for method java.lang.String java.lang.Integer.toHexString(int)
-
- String[] hexvals = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
- "a", "b", "c", "d", "e", "f" };
-
- for (int i = 0; i < 16; i++) {
- assertTrue("Incorrect string returned " + hexvals[i], Integer
- .toHexString(i).equals(hexvals[i]));
- }
-
- assertTrue("Returned incorrect hex string: "
- + Integer.toHexString(Integer.MAX_VALUE), Integer.toHexString(
- Integer.MAX_VALUE).equals("7fffffff"));
- assertTrue("Returned incorrect hex string: "
- + Integer.toHexString(Integer.MIN_VALUE), Integer.toHexString(
- Integer.MIN_VALUE).equals("80000000"));
- }
-
- /**
- * @tests java.lang.Integer#toOctalString(int)
- */
- public void test_toOctalStringI() {
- // Test for method java.lang.String java.lang.Integer.toOctalString(int)
- // Spec states that the int arg is treated as unsigned
- assertEquals("Returned incorrect octal string", "17777777777", Integer.toOctalString(
- Integer.MAX_VALUE));
- assertEquals("Returned incorrect octal string", "20000000000", Integer.toOctalString(
- Integer.MIN_VALUE));
- }
-
- /**
- * @tests java.lang.Integer#toString()
- */
- public void test_toString2() {
- // Test for method java.lang.String java.lang.Integer.toString()
-
- Integer i = new Integer(-80001);
-
- assertEquals("Returned incorrect String", "-80001", i.toString());
- }
-
- /**
- * @tests java.lang.Integer#toString(int)
- */
- public void test_toStringI2() {
- // Test for method java.lang.String java.lang.Integer.toString(int)
-
- assertEquals("Returned incorrect String", "-80765", Integer.toString(-80765)
- );
- assertEquals("Returned incorrect octal string", "2147483647", Integer.toString(
- Integer.MAX_VALUE));
- assertEquals("Returned incorrect octal string", "-2147483647", Integer.toString(
- -Integer.MAX_VALUE));
- assertEquals("Returned incorrect octal string", "-2147483648", Integer.toString(
- Integer.MIN_VALUE));
- }
-
- /**
- * @tests java.lang.Integer#toString(int, int)
- */
- public void test_toStringII() {
- // Test for method java.lang.String java.lang.Integer.toString(int, int)
- assertEquals("Returned incorrect octal string", "17777777777", Integer.toString(
- 2147483647, 8));
- assertTrue("Returned incorrect hex string--wanted 7fffffff but got: "
- + Integer.toString(2147483647, 16), Integer.toString(
- 2147483647, 16).equals("7fffffff"));
- assertEquals("Incorrect string returned", "1111111111111111111111111111111", Integer.toString(2147483647, 2)
- );
- assertEquals("Incorrect string returned", "2147483647", Integer
- .toString(2147483647, 10));
-
- assertEquals("Returned incorrect octal string", "-17777777777", Integer.toString(
- -2147483647, 8));
- assertTrue("Returned incorrect hex string--wanted -7fffffff but got: "
- + Integer.toString(-2147483647, 16), Integer.toString(
- -2147483647, 16).equals("-7fffffff"));
- assertEquals("Incorrect string returned",
- "-1111111111111111111111111111111", Integer
- .toString(-2147483647, 2));
- assertEquals("Incorrect string returned", "-2147483647", Integer.toString(-2147483647,
- 10));
-
- assertEquals("Returned incorrect octal string", "-20000000000", Integer.toString(
- -2147483648, 8));
- assertTrue("Returned incorrect hex string--wanted -80000000 but got: "
- + Integer.toString(-2147483648, 16), Integer.toString(
- -2147483648, 16).equals("-80000000"));
- assertEquals("Incorrect string returned",
- "-10000000000000000000000000000000", Integer
- .toString(-2147483648, 2));
- assertEquals("Incorrect string returned", "-2147483648", Integer.toString(-2147483648,
- 10));
- }
-
- /**
- * @tests java.lang.Integer#valueOf(java.lang.String)
- */
- public void test_valueOfLjava_lang_String2() {
- // Test for method java.lang.Integer
- // java.lang.Integer.valueOf(java.lang.String)
- assertEquals("Returned incorrect int", 8888888, Integer.valueOf("8888888")
- .intValue());
- assertTrue("Returned incorrect int", Integer.valueOf("2147483647")
- .intValue() == Integer.MAX_VALUE);
- assertTrue("Returned incorrect int", Integer.valueOf("-2147483648")
- .intValue() == Integer.MIN_VALUE);
-
- boolean exception = false;
- try {
- Integer.valueOf("2147483648");
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception with MAX_VALUE + 1", exception);
-
- exception = false;
- try {
- Integer.valueOf("-2147483649");
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception with MIN_VALUE - 1", exception);
- }
-
- /**
- * @tests java.lang.Integer#valueOf(java.lang.String, int)
- */
- public void test_valueOfLjava_lang_StringI2() {
- // Test for method java.lang.Integer
- // java.lang.Integer.valueOf(java.lang.String, int)
- assertEquals("Returned incorrect int for hex string", 255, Integer.valueOf(
- "FF", 16).intValue());
- assertEquals("Returned incorrect int for oct string", 16, Integer.valueOf(
- "20", 8).intValue());
- assertEquals("Returned incorrect int for bin string", 4, Integer.valueOf(
- "100", 2).intValue());
-
- assertEquals("Returned incorrect int for - hex string", -255, Integer.valueOf(
- "-FF", 16).intValue());
- assertEquals("Returned incorrect int for - oct string", -16, Integer.valueOf(
- "-20", 8).intValue());
- assertEquals("Returned incorrect int for - bin string", -4, Integer.valueOf(
- "-100", 2).intValue());
- assertTrue("Returned incorrect int", Integer.valueOf("2147483647", 10)
- .intValue() == Integer.MAX_VALUE);
- assertTrue("Returned incorrect int", Integer.valueOf("-2147483648", 10)
- .intValue() == Integer.MIN_VALUE);
- assertTrue("Returned incorrect int", Integer.valueOf("7fffffff", 16)
- .intValue() == Integer.MAX_VALUE);
- assertTrue("Returned incorrect int", Integer.valueOf("-80000000", 16)
- .intValue() == Integer.MIN_VALUE);
-
- boolean exception = false;
- try {
- Integer.valueOf("FF", 2);
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue(
- "Failed to throw exception with hex string and base 2 radix",
- exception);
-
- exception = false;
- try {
- Integer.valueOf("2147483648", 10);
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception with MAX_VALUE + 1", exception);
-
- exception = false;
- try {
- Integer.valueOf("-2147483649", 10);
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception with MIN_VALUE - 1", exception);
-
- exception = false;
- try {
- Integer.valueOf("80000000", 16);
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception with hex MAX_VALUE + 1",
- exception);
-
- exception = false;
- try {
- Integer.valueOf("-80000001", 16);
- } catch (NumberFormatException e) {
- // Correct
- exception = true;
- }
- assertTrue("Failed to throw exception with hex MIN_VALUE - 1",
- exception);
- }
-
- /**
- * @tests java.lang.Integer#valueOf(byte)
- */
- public void test_valueOfI() {
- assertEquals(new Integer(Integer.MIN_VALUE), Integer.valueOf(Integer.MIN_VALUE));
- assertEquals(new Integer(Integer.MAX_VALUE), Integer.valueOf(Integer.MAX_VALUE));
- assertEquals(new Integer(0), Integer.valueOf(0));
-
- short s = -128;
- while (s < 128) {
- assertEquals(new Integer(s), Integer.valueOf(s));
- assertSame(Integer.valueOf(s), Integer.valueOf(s));
- s++;
- }
- }
-
- /**
- * @tests java.lang.Integer#hashCode()
- */
- public void test_hashCode() {
- assertEquals(1, new Integer(1).hashCode());
- assertEquals(2, new Integer(2).hashCode());
- assertEquals(0, new Integer(0).hashCode());
- assertEquals(-1, new Integer(-1).hashCode());
- }
-
- /**
- * @tests java.lang.Integer#Integer(String)
- */
- public void test_ConstructorLjava_lang_String() {
- assertEquals(new Integer(0), new Integer("0"));
- assertEquals(new Integer(1), new Integer("1"));
- assertEquals(new Integer(-1), new Integer("-1"));
-
- try {
- new Integer("0x1");
- fail("Expected NumberFormatException with hex string.");
- } catch (NumberFormatException e) {}
-
- try {
- new Integer("9.2");
- fail("Expected NumberFormatException with floating point string.");
- } catch (NumberFormatException e) {}
-
- try {
- new Integer("");
- fail("Expected NumberFormatException with empty string.");
- } catch (NumberFormatException e) {}
-
- try {
- new Integer(null);
- fail("Expected NumberFormatException with null string.");
- } catch (NumberFormatException e) {}
- }
-
- /**
- * @tests java.lang.Integer#Integer
- */
- public void test_ConstructorI() {
- assertEquals(1, new Integer(1).intValue());
- assertEquals(2, new Integer(2).intValue());
- assertEquals(0, new Integer(0).intValue());
- assertEquals(-1, new Integer(-1).intValue());
-
- Integer i = new Integer(-89000);
- assertEquals("Incorrect Integer created", -89000, i.intValue());
- }
-
- /**
- * @tests java.lang.Integer#byteValue()
- */
- public void test_booleanValue() {
- assertEquals(1, new Integer(1).byteValue());
- assertEquals(2, new Integer(2).byteValue());
- assertEquals(0, new Integer(0).byteValue());
- assertEquals(-1, new Integer(-1).byteValue());
- }
-
- /**
- * @tests java.lang.Integer#equals(Object)
- */
- public void test_equalsLjava_lang_Object() {
- assertEquals(new Integer(0), Integer.valueOf(0));
- assertEquals(new Integer(1), Integer.valueOf(1));
- assertEquals(new Integer(-1), Integer.valueOf(-1));
-
- Integer fixture = new Integer(25);
- assertEquals(fixture, fixture);
- assertFalse(fixture.equals(null));
- assertFalse(fixture.equals("Not a Integer"));
- }
-
- /**
- * @tests java.lang.Integer#toString()
- */
- public void test_toString() {
- assertEquals("-1", new Integer(-1).toString());
- assertEquals("0", new Integer(0).toString());
- assertEquals("1", new Integer(1).toString());
- assertEquals("-1", new Integer(0xFFFFFFFF).toString());
- }
-
- /**
- * @tests java.lang.Integer#toString
- */
- public void test_toStringI() {
- assertEquals("-1", Integer.toString(-1));
- assertEquals("0", Integer.toString(0));
- assertEquals("1", Integer.toString(1));
- assertEquals("-1", Integer.toString(0xFFFFFFFF));
- }
-
- /**
- * @tests java.lang.Integer#valueOf(String)
- */
- public void test_valueOfLjava_lang_String() {
- assertEquals(new Integer(0), Integer.valueOf("0"));
- assertEquals(new Integer(1), Integer.valueOf("1"));
- assertEquals(new Integer(-1), Integer.valueOf("-1"));
-
- try {
- Integer.valueOf("0x1");
- fail("Expected NumberFormatException with hex string.");
- } catch (NumberFormatException e) {}
-
- try {
- Integer.valueOf("9.2");
- fail("Expected NumberFormatException with floating point string.");
- } catch (NumberFormatException e) {}
-
- try {
- Integer.valueOf("");
- fail("Expected NumberFormatException with empty string.");
- } catch (NumberFormatException e) {}
-
- try {
- Integer.valueOf(null);
- fail("Expected NumberFormatException with null string.");
- } catch (NumberFormatException e) {}
- }
-
- /**
- * @tests java.lang.Integer#valueOf(String,int)
- */
- public void test_valueOfLjava_lang_StringI() {
- assertEquals(new Integer(0), Integer.valueOf("0", 10));
- assertEquals(new Integer(1), Integer.valueOf("1", 10));
- assertEquals(new Integer(-1), Integer.valueOf("-1", 10));
-
- //must be consistent with Character.digit()
- assertEquals(Character.digit('1', 2), Integer.valueOf("1", 2).byteValue());
- assertEquals(Character.digit('F', 16), Integer.valueOf("F", 16).byteValue());
-
- try {
- Integer.valueOf("0x1", 10);
- fail("Expected NumberFormatException with hex string.");
- } catch (NumberFormatException e) {}
-
- try {
- Integer.valueOf("9.2", 10);
- fail("Expected NumberFormatException with floating point string.");
- } catch (NumberFormatException e) {}
-
- try {
- Integer.valueOf("", 10);
- fail("Expected NumberFormatException with empty string.");
- } catch (NumberFormatException e) {}
-
- try {
- Integer.valueOf(null, 10);
- fail("Expected NumberFormatException with null string.");
- } catch (NumberFormatException e) {}
- }
-
- /**
- * @tests java.lang.Integer#parseInt(String)
- */
- public void test_parseIntLjava_lang_String() {
- assertEquals(0, Integer.parseInt("0"));
- assertEquals(1, Integer.parseInt("1"));
- assertEquals(-1, Integer.parseInt("-1"));
-
- try {
- Integer.parseInt("0x1");
- fail("Expected NumberFormatException with hex string.");
- } catch (NumberFormatException e) {}
-
- try {
- Integer.parseInt("9.2");
- fail("Expected NumberFormatException with floating point string.");
- } catch (NumberFormatException e) {}
-
- try {
- Integer.parseInt("");
- fail("Expected NumberFormatException with empty string.");
- } catch (NumberFormatException e) {}
-
- try {
- Integer.parseInt(null);
- fail("Expected NumberFormatException with null string.");
- } catch (NumberFormatException e) {}
- }
-
- /**
- * @tests java.lang.Integer#parseInt(String,int)
- */
- public void test_parseIntLjava_lang_StringI() {
- assertEquals(0, Integer.parseInt("0", 10));
- assertEquals(1, Integer.parseInt("1", 10));
- assertEquals(-1, Integer.parseInt("-1", 10));
-
- //must be consistent with Character.digit()
- assertEquals(Character.digit('1', 2), Integer.parseInt("1", 2));
- assertEquals(Character.digit('F', 16), Integer.parseInt("F", 16));
-
- try {
- Integer.parseInt("0x1", 10);
- fail("Expected NumberFormatException with hex string.");
- } catch (NumberFormatException e) {}
-
- try {
- Integer.parseInt("9.2", 10);
- fail("Expected NumberFormatException with floating point string.");
- } catch (NumberFormatException e) {}
-
- try {
- Integer.parseInt("", 10);
- fail("Expected NumberFormatException with empty string.");
- } catch (NumberFormatException e) {}
-
- try {
- Integer.parseInt(null, 10);
- fail("Expected NumberFormatException with null string.");
- } catch (NumberFormatException e) {}
- }
-
- /**
- * @tests java.lang.Integer#decode(String)
- */
- public void test_decodeLjava_lang_String() {
- assertEquals(new Integer(0), Integer.decode("0"));
- assertEquals(new Integer(1), Integer.decode("1"));
- assertEquals(new Integer(-1), Integer.decode("-1"));
- assertEquals(new Integer(0xF), Integer.decode("0xF"));
- assertEquals(new Integer(0xF), Integer.decode("#F"));
- assertEquals(new Integer(0xF), Integer.decode("0XF"));
- assertEquals(new Integer(07), Integer.decode("07"));
-
- try {
- Integer.decode("9.2");
- fail("Expected NumberFormatException with floating point string.");
- } catch (NumberFormatException e) {}
-
- try {
- Integer.decode("");
- fail("Expected NumberFormatException with empty string.");
- } catch (NumberFormatException e) {}
-
- try {
- Integer.decode(null);
- //undocumented NPE, but seems consistent across JREs
- fail("Expected NullPointerException with null string.");
- } catch (NullPointerException e) {}
- }
-
- /**
- * @tests java.lang.Integer#doubleValue()
- */
- public void test_doubleValue() {
- assertEquals(-1D, new Integer(-1).doubleValue(), 0D);
- assertEquals(0D, new Integer(0).doubleValue(), 0D);
- assertEquals(1D, new Integer(1).doubleValue(), 0D);
- }
-
- /**
- * @tests java.lang.Integer#floatValue()
- */
- public void test_floatValue() {
- assertEquals(-1F, new Integer(-1).floatValue(), 0F);
- assertEquals(0F, new Integer(0).floatValue(), 0F);
- assertEquals(1F, new Integer(1).floatValue(), 0F);
- }
-
- /**
- * @tests java.lang.Integer#intValue()
- */
- public void test_intValue() {
- assertEquals(-1, new Integer(-1).intValue());
- assertEquals(0, new Integer(0).intValue());
- assertEquals(1, new Integer(1).intValue());
- }
-
- /**
- * @tests java.lang.Integer#longValue()
- */
- public void test_longValue() {
- assertEquals(-1L, new Integer(-1).longValue());
- assertEquals(0L, new Integer(0).longValue());
- assertEquals(1L, new Integer(1).longValue());
- }
-
- /**
- * @tests java.lang.Integer#shortValue()
- */
- public void test_shortValue() {
- assertEquals(-1, new Integer(-1).shortValue());
- assertEquals(0, new Integer(0).shortValue());
- assertEquals(1, new Integer(1).shortValue());
- }
- /**
- * @tests java.lang.Integer#highestOneBit(int)
- */
- public void test_highestOneBitI() {
- assertEquals(0x08, Integer.highestOneBit(0x0A));
- assertEquals(0x08, Integer.highestOneBit(0x0B));
- assertEquals(0x08, Integer.highestOneBit(0x0C));
- assertEquals(0x08, Integer.highestOneBit(0x0F));
- assertEquals(0x80, Integer.highestOneBit(0xFF));
-
- assertEquals(0x080000, Integer.highestOneBit(0x0F1234));
- assertEquals(0x800000, Integer.highestOneBit(0xFF9977));
-
- assertEquals(0x80000000, Integer.highestOneBit(0xFFFFFFFF));
-
- assertEquals(0, Integer.highestOneBit(0));
- assertEquals(1, Integer.highestOneBit(1));
- assertEquals(0x80000000, Integer.highestOneBit(-1));
- }
-
- /**
- * @tests java.lang.Integer#lowestOneBit(int)
- */
- public void test_lowestOneBitI() {
- assertEquals(0x10, Integer.lowestOneBit(0xF0));
-
- assertEquals(0x10, Integer.lowestOneBit(0x90));
- assertEquals(0x10, Integer.lowestOneBit(0xD0));
-
- assertEquals(0x10, Integer.lowestOneBit(0x123490));
- assertEquals(0x10, Integer.lowestOneBit(0x1234D0));
-
- assertEquals(0x100000, Integer.lowestOneBit(0x900000));
- assertEquals(0x100000, Integer.lowestOneBit(0xD00000));
-
- assertEquals(0x40, Integer.lowestOneBit(0x40));
- assertEquals(0x40, Integer.lowestOneBit(0xC0));
-
- assertEquals(0x4000, Integer.lowestOneBit(0x4000));
- assertEquals(0x4000, Integer.lowestOneBit(0xC000));
-
- assertEquals(0x4000, Integer.lowestOneBit(0x99994000));
- assertEquals(0x4000, Integer.lowestOneBit(0x9999C000));
-
- assertEquals(0, Integer.lowestOneBit(0));
- assertEquals(1, Integer.lowestOneBit(1));
- assertEquals(1, Integer.lowestOneBit(-1));
- }
- /**
- * @tests java.lang.Integer#numberOfLeadingZeros(int)
- */
- public void test_numberOfLeadingZerosI() {
- assertEquals(32, Integer.numberOfLeadingZeros(0x0));
- assertEquals(31, Integer.numberOfLeadingZeros(0x1));
- assertEquals(30, Integer.numberOfLeadingZeros(0x2));
- assertEquals(30, Integer.numberOfLeadingZeros(0x3));
- assertEquals(29, Integer.numberOfLeadingZeros(0x4));
- assertEquals(29, Integer.numberOfLeadingZeros(0x5));
- assertEquals(29, Integer.numberOfLeadingZeros(0x6));
- assertEquals(29, Integer.numberOfLeadingZeros(0x7));
- assertEquals(28, Integer.numberOfLeadingZeros(0x8));
- assertEquals(28, Integer.numberOfLeadingZeros(0x9));
- assertEquals(28, Integer.numberOfLeadingZeros(0xA));
- assertEquals(28, Integer.numberOfLeadingZeros(0xB));
- assertEquals(28, Integer.numberOfLeadingZeros(0xC));
- assertEquals(28, Integer.numberOfLeadingZeros(0xD));
- assertEquals(28, Integer.numberOfLeadingZeros(0xE));
- assertEquals(28, Integer.numberOfLeadingZeros(0xF));
- assertEquals(27, Integer.numberOfLeadingZeros(0x10));
- assertEquals(24, Integer.numberOfLeadingZeros(0x80));
- assertEquals(24, Integer.numberOfLeadingZeros(0xF0));
- assertEquals(23, Integer.numberOfLeadingZeros(0x100));
- assertEquals(20, Integer.numberOfLeadingZeros(0x800));
- assertEquals(20, Integer.numberOfLeadingZeros(0xF00));
- assertEquals(19, Integer.numberOfLeadingZeros(0x1000));
- assertEquals(16, Integer.numberOfLeadingZeros(0x8000));
- assertEquals(16, Integer.numberOfLeadingZeros(0xF000));
- assertEquals(15, Integer.numberOfLeadingZeros(0x10000));
- assertEquals(12, Integer.numberOfLeadingZeros(0x80000));
- assertEquals(12, Integer.numberOfLeadingZeros(0xF0000));
- assertEquals(11, Integer.numberOfLeadingZeros(0x100000));
- assertEquals(8, Integer.numberOfLeadingZeros(0x800000));
- assertEquals(8, Integer.numberOfLeadingZeros(0xF00000));
- assertEquals(7, Integer.numberOfLeadingZeros(0x1000000));
- assertEquals(4, Integer.numberOfLeadingZeros(0x8000000));
- assertEquals(4, Integer.numberOfLeadingZeros(0xF000000));
- assertEquals(3, Integer.numberOfLeadingZeros(0x10000000));
- assertEquals(0, Integer.numberOfLeadingZeros(0x80000000));
- assertEquals(0, Integer.numberOfLeadingZeros(0xF0000000));
-
- assertEquals(1, Integer.numberOfLeadingZeros(Integer.MAX_VALUE));
- assertEquals(0, Integer.numberOfLeadingZeros(Integer.MIN_VALUE));
- }
-
- /**
- * @tests java.lang.Integer#numberOfTrailingZeros(int)
- */
- public void test_numberOfTrailingZerosI() {
- assertEquals(32, Integer.numberOfTrailingZeros(0x0));
- assertEquals(31, Integer.numberOfTrailingZeros(Integer.MIN_VALUE));
- assertEquals(0, Integer.numberOfTrailingZeros(Integer.MAX_VALUE));
-
- assertEquals(0, Integer.numberOfTrailingZeros(0x1));
- assertEquals(3, Integer.numberOfTrailingZeros(0x8));
- assertEquals(0, Integer.numberOfTrailingZeros(0xF));
-
- assertEquals(4, Integer.numberOfTrailingZeros(0x10));
- assertEquals(7, Integer.numberOfTrailingZeros(0x80));
- assertEquals(4, Integer.numberOfTrailingZeros(0xF0));
-
- assertEquals(8, Integer.numberOfTrailingZeros(0x100));
- assertEquals(11, Integer.numberOfTrailingZeros(0x800));
- assertEquals(8, Integer.numberOfTrailingZeros(0xF00));
-
- assertEquals(12, Integer.numberOfTrailingZeros(0x1000));
- assertEquals(15, Integer.numberOfTrailingZeros(0x8000));
- assertEquals(12, Integer.numberOfTrailingZeros(0xF000));
-
- assertEquals(16, Integer.numberOfTrailingZeros(0x10000));
- assertEquals(19, Integer.numberOfTrailingZeros(0x80000));
- assertEquals(16, Integer.numberOfTrailingZeros(0xF0000));
-
- assertEquals(20, Integer.numberOfTrailingZeros(0x100000));
- assertEquals(23, Integer.numberOfTrailingZeros(0x800000));
- assertEquals(20, Integer.numberOfTrailingZeros(0xF00000));
-
- assertEquals(24, Integer.numberOfTrailingZeros(0x1000000));
- assertEquals(27, Integer.numberOfTrailingZeros(0x8000000));
- assertEquals(24, Integer.numberOfTrailingZeros(0xF000000));
-
- assertEquals(28, Integer.numberOfTrailingZeros(0x10000000));
- assertEquals(31, Integer.numberOfTrailingZeros(0x80000000));
- assertEquals(28, Integer.numberOfTrailingZeros(0xF0000000));
- }
-
- /**
- * @tests java.lang.Integer#bitCount(int)
- */
- public void test_bitCountI() {
- assertEquals(0, Integer.bitCount(0x0));
- assertEquals(1, Integer.bitCount(0x1));
- assertEquals(1, Integer.bitCount(0x2));
- assertEquals(2, Integer.bitCount(0x3));
- assertEquals(1, Integer.bitCount(0x4));
- assertEquals(2, Integer.bitCount(0x5));
- assertEquals(2, Integer.bitCount(0x6));
- assertEquals(3, Integer.bitCount(0x7));
- assertEquals(1, Integer.bitCount(0x8));
- assertEquals(2, Integer.bitCount(0x9));
- assertEquals(2, Integer.bitCount(0xA));
- assertEquals(3, Integer.bitCount(0xB));
- assertEquals(2, Integer.bitCount(0xC));
- assertEquals(3, Integer.bitCount(0xD));
- assertEquals(3, Integer.bitCount(0xE));
- assertEquals(4, Integer.bitCount(0xF));
-
- assertEquals(8, Integer.bitCount(0xFF));
- assertEquals(12, Integer.bitCount(0xFFF));
- assertEquals(16, Integer.bitCount(0xFFFF));
- assertEquals(20, Integer.bitCount(0xFFFFF));
- assertEquals(24, Integer.bitCount(0xFFFFFF));
- assertEquals(28, Integer.bitCount(0xFFFFFFF));
- assertEquals(32, Integer.bitCount(0xFFFFFFFF));
- }
-
- /**
- * @tests java.lang.Integer#rotateLeft(int,int)
- */
- public void test_rotateLeftII() {
- assertEquals(0xF, Integer.rotateLeft(0xF, 0));
- assertEquals(0xF0, Integer.rotateLeft(0xF, 4));
- assertEquals(0xF00, Integer.rotateLeft(0xF, 8));
- assertEquals(0xF000, Integer.rotateLeft(0xF, 12));
- assertEquals(0xF0000, Integer.rotateLeft(0xF, 16));
- assertEquals(0xF00000, Integer.rotateLeft(0xF, 20));
- assertEquals(0xF000000, Integer.rotateLeft(0xF, 24));
- assertEquals(0xF0000000, Integer.rotateLeft(0xF, 28));
- assertEquals(0xF0000000, Integer.rotateLeft(0xF0000000, 32));
- }
-
- /**
- * @tests java.lang.Integer#rotateRight(int,int)
- */
- public void test_rotateRightII() {
- assertEquals(0xF, Integer.rotateRight(0xF0, 4));
- assertEquals(0xF, Integer.rotateRight(0xF00, 8));
- assertEquals(0xF, Integer.rotateRight(0xF000, 12));
- assertEquals(0xF, Integer.rotateRight(0xF0000, 16));
- assertEquals(0xF, Integer.rotateRight(0xF00000, 20));
- assertEquals(0xF, Integer.rotateRight(0xF000000, 24));
- assertEquals(0xF, Integer.rotateRight(0xF0000000, 28));
- assertEquals(0xF0000000, Integer.rotateRight(0xF0000000, 32));
- assertEquals(0xF0000000, Integer.rotateRight(0xF0000000, 0));
-
- }
-
- /**
- * @tests java.lang.Integer#reverseBytes(int)
- */
- public void test_reverseBytesI() {
- assertEquals(0xAABBCCDD, Integer.reverseBytes(0xDDCCBBAA));
- assertEquals(0x11223344, Integer.reverseBytes(0x44332211));
- assertEquals(0x00112233, Integer.reverseBytes(0x33221100));
- assertEquals(0x20000002, Integer.reverseBytes(0x02000020));
- }
-
- /**
- * @tests java.lang.Integer#reverse(int)
- */
- public void test_reverseI() {
- assertEquals(-1, Integer.reverse(-1));
- assertEquals(0x80000000,Integer.reverse(1));
- }
-
- /**
- * @tests java.lang.Integer#signum(int)
- */
- public void test_signumI() {
- for (int i = -128; i<0; i++) {
- assertEquals(-1, Integer.signum(i));
- }
- assertEquals(0, Integer.signum(0));
- for (int i = 1; i<=127; i++) {
- assertEquals(1, Integer.signum(i));
- }
- }
-}
+/* Copyright 2006 The Apache Software Foundation or its licensors, as applicable
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.harmony.luni.tests.java.lang;
+
+import java.util.Properties;
+
+import junit.framework.TestCase;
+
+public class IntegerTest extends TestCase {
+ private Properties orgProps;
+
+ protected void setUp() {
+ orgProps = System.getProperties();
+ }
+
+ protected void tearDown() {
+ System.setProperties(orgProps);
+ }
+
+ /**
+ * @tests java.lang.Integer#byteValue()
+ */
+ public void test_byteValue() {
+ // Test for method byte java.lang.Integer.byteValue()
+ assertEquals("Returned incorrect byte value", -1, new Integer(65535)
+ .byteValue());
+ assertEquals("Returned incorrect byte value", 127, new Integer(127)
+ .byteValue());
+ }
+
+ /**
+ * @tests java.lang.Integer#compareTo(java.lang.Integer)
+ */
+ public void test_compareToLjava_lang_Integer() {
+ // Test for method int java.lang.Integer.compareTo(java.lang.Integer)
+ assertTrue("-2 compared to 1 gave non-negative answer", new Integer(-2)
+ .compareTo(new Integer(1)) < 0);
+ assertEquals("-2 compared to -2 gave non-zero answer", 0, new Integer(-2)
+ .compareTo(new Integer(-2)));
+ assertTrue("3 compared to 2 gave non-positive answer", new Integer(3)
+ .compareTo(new Integer(2)) > 0);
+
+ try {
+ new Integer(0).compareTo(null);
+ fail("No NPE");
+ } catch (NullPointerException e) {
+ }
+ }
+
+ /**
+ * @tests java.lang.Integer#decode(java.lang.String)
+ */
+ public void test_decodeLjava_lang_String2() {
+ // Test for method java.lang.Integer
+ // java.lang.Integer.decode(java.lang.String)
+ assertEquals("Failed for 132233",
+ 132233, Integer.decode("132233").intValue());
+ assertEquals("Failed for 07654321",
+ 07654321, Integer.decode("07654321").intValue());
+ assertTrue("Failed for #1234567",
+ Integer.decode("#1234567").intValue() == 0x1234567);
+ assertTrue("Failed for 0xdAd",
+ Integer.decode("0xdAd").intValue() == 0xdad);
+ assertEquals("Failed for -23", -23, Integer.decode("-23").intValue());
+ assertEquals("Returned incorrect value for 0 decimal", 0, Integer
+ .decode("0").intValue());
+ assertEquals("Returned incorrect value for 0 hex", 0, Integer.decode("0x0")
+ .intValue());
+ assertTrue("Returned incorrect value for most negative value decimal",
+ Integer.decode("-2147483648").intValue() == 0x80000000);
+ assertTrue("Returned incorrect value for most negative value hex",
+ Integer.decode("-0x80000000").intValue() == 0x80000000);
+ assertTrue("Returned incorrect value for most positive value decimal",
+ Integer.decode("2147483647").intValue() == 0x7fffffff);
+ assertTrue("Returned incorrect value for most positive value hex",
+ Integer.decode("0x7fffffff").intValue() == 0x7fffffff);
+
+ boolean exception = false;
+ try {
+ Integer.decode("0a");
+ } catch (NumberFormatException e) {
+ // correct
+ exception = true;
+ }
+ assertTrue("Failed to throw NumberFormatException for \"Oa\"",
+ exception);
+
+ exception = false;
+ try {
+ Integer.decode("2147483648");
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception for MAX_VALUE + 1", exception);
+
+ exception = false;
+ try {
+ Integer.decode("-2147483649");
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception for MIN_VALUE - 1", exception);
+
+ exception = false;
+ try {
+ Integer.decode("0x80000000");
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception for hex MAX_VALUE + 1", exception);
+
+ exception = false;
+ try {
+ Integer.decode("-0x80000001");
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception for hex MIN_VALUE - 1", exception);
+
+ exception = false;
+ try {
+ Integer.decode("9999999999");
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception for 9999999999", exception);
+ }
+
+ /**
+ * @tests java.lang.Integer#doubleValue()
+ */
+ public void test_doubleValue2() {
+ // Test for method double java.lang.Integer.doubleValue()
+ assertEquals("Returned incorrect double value", 2147483647.0, new Integer(2147483647)
+ .doubleValue(), 0.0D);
+ assertEquals("Returned incorrect double value", -2147483647.0, new Integer(-2147483647)
+ .doubleValue(), 0.0D);
+ }
+
+ /**
+ * @tests java.lang.Integer#equals(java.lang.Object)
+ */
+ public void test_equalsLjava_lang_Object2() {
+ // Test for method boolean java.lang.Integer.equals(java.lang.Object)
+ Integer i1 = new Integer(1000);
+ Integer i2 = new Integer(1000);
+ Integer i3 = new Integer(-1000);
+ assertTrue("Equality test failed", i1.equals(i2) && !(i1.equals(i3)));
+ }
+
+ /**
+ * @tests java.lang.Integer#floatValue()
+ */
+ public void test_floatValue2() {
+ // Test for method float java.lang.Integer.floatValue()
+ assertTrue("Returned incorrect float value", new Integer(65535)
+ .floatValue() == 65535.0f);
+ assertTrue("Returned incorrect float value", new Integer(-65535)
+ .floatValue() == -65535.0f);
+ }
+
+ /**
+ * @tests java.lang.Integer#getInteger(java.lang.String)
+ */
+ public void test_getIntegerLjava_lang_String() {
+ // Test for method java.lang.Integer
+ // java.lang.Integer.getInteger(java.lang.String)
+ Properties tProps = new Properties();
+ tProps.put("testInt", "99");
+ System.setProperties(tProps);
+ assertTrue("returned incorrect Integer", Integer.getInteger("testInt")
+ .equals(new Integer(99)));
+ assertNull("returned incorrect default Integer", Integer
+ .getInteger("ff"));
+ }
+
+ /**
+ * @tests java.lang.Integer#getInteger(java.lang.String, int)
+ */
+ public void test_getIntegerLjava_lang_StringI() {
+ // Test for method java.lang.Integer
+ // java.lang.Integer.getInteger(java.lang.String, int)
+ Properties tProps = new Properties();
+ tProps.put("testInt", "99");
+ System.setProperties(tProps);
+ assertTrue("returned incorrect Integer", Integer.getInteger("testInt",
+ 4).equals(new Integer(99)));
+ assertTrue("returned incorrect default Integer", Integer.getInteger(
+ "ff", 4).equals(new Integer(4)));
+ }
+
+ /**
+ * @tests java.lang.Integer#getInteger(java.lang.String, java.lang.Integer)
+ */
+ public void test_getIntegerLjava_lang_StringLjava_lang_Integer() {
+ // Test for method java.lang.Integer
+ // java.lang.Integer.getInteger(java.lang.String, java.lang.Integer)
+ Properties tProps = new Properties();
+ tProps.put("testInt", "99");
+ System.setProperties(tProps);
+ assertTrue("returned incorrect Integer", Integer.getInteger("testInt",
+ new Integer(4)).equals(new Integer(99)));
+ assertTrue("returned incorrect default Integer", Integer.getInteger(
+ "ff", new Integer(4)).equals(new Integer(4)));
+ }
+
+ /**
+ * @tests java.lang.Integer#hashCode()
+ */
+ public void test_hashCode2() {
+ // Test for method int java.lang.Integer.hashCode()
+
+ Integer i1 = new Integer(1000);
+ Integer i2 = new Integer(-1000);
+ assertTrue("Returned incorrect hashcode", i1.hashCode() == 1000
+ && (i2.hashCode() == -1000));
+ }
+
+ /**
+ * @tests java.lang.Integer#intValue()
+ */
+ public void test_intValue2() {
+ // Test for method int java.lang.Integer.intValue()
+
+ Integer i = new Integer(8900);
+ assertEquals("Returned incorrect int value", 8900, i.intValue());
+ }
+
+ /**
+ * @tests java.lang.Integer#longValue()
+ */
+ public void test_longValue2() {
+ // Test for method long java.lang.Integer.longValue()
+ Integer i = new Integer(8900);
+ assertEquals("Returned incorrect long value", 8900L, i.longValue());
+ }
+
+ /**
+ * @tests java.lang.Integer#parseInt(java.lang.String)
+ */
+ public void test_parseIntLjava_lang_String2() {
+ // Test for method int java.lang.Integer.parseInt(java.lang.String)
+
+ int i = Integer.parseInt("-8900");
+ assertEquals("Returned incorrect int", -8900, i);
+ assertEquals("Returned incorrect value for 0", 0, Integer.parseInt("0"));
+ assertTrue("Returned incorrect value for most negative value", Integer
+ .parseInt("-2147483648") == 0x80000000);
+ assertTrue("Returned incorrect value for most positive value", Integer
+ .parseInt("2147483647") == 0x7fffffff);
+
+ boolean exception = false;
+ try {
+ Integer.parseInt("999999999999");
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception for value > int", exception);
+
+ exception = false;
+ try {
+ Integer.parseInt("2147483648");
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception for MAX_VALUE + 1", exception);
+
+ exception = false;
+ try {
+ Integer.parseInt("-2147483649");
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception for MIN_VALUE - 1", exception);
+ }
+
+ /**
+ * @tests java.lang.Integer#parseInt(java.lang.String, int)
+ */
+ public void test_parseIntLjava_lang_StringI2() {
+ // Test for method int java.lang.Integer.parseInt(java.lang.String, int)
+ assertEquals("Parsed dec val incorrectly",
+ -8000, Integer.parseInt("-8000", 10));
+ assertEquals("Parsed hex val incorrectly",
+ 255, Integer.parseInt("FF", 16));
+ assertEquals("Parsed oct val incorrectly",
+ 16, Integer.parseInt("20", 8));
+ assertEquals("Returned incorrect value for 0 hex", 0, Integer.parseInt("0",
+ 16));
+ assertTrue("Returned incorrect value for most negative value hex",
+ Integer.parseInt("-80000000", 16) == 0x80000000);
+ assertTrue("Returned incorrect value for most positive value hex",
+ Integer.parseInt("7fffffff", 16) == 0x7fffffff);
+ assertEquals("Returned incorrect value for 0 decimal", 0, Integer.parseInt(
+ "0", 10));
+ assertTrue("Returned incorrect value for most negative value decimal",
+ Integer.parseInt("-2147483648", 10) == 0x80000000);
+ assertTrue("Returned incorrect value for most positive value decimal",
+ Integer.parseInt("2147483647", 10) == 0x7fffffff);
+
+ boolean exception = false;
+ try {
+ Integer.parseInt("FFFF", 10);
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue(
+ "Failed to throw exception when passes hex string and dec parm",
+ exception);
+
+ exception = false;
+ try {
+ Integer.parseInt("2147483648", 10);
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception for MAX_VALUE + 1", exception);
+
+ exception = false;
+ try {
+ Integer.parseInt("-2147483649", 10);
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception for MIN_VALUE - 1", exception);
+
+ exception = false;
+ try {
+ Integer.parseInt("80000000", 16);
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception for hex MAX_VALUE + 1", exception);
+
+ exception = false;
+ try {
+ Integer.parseInt("-80000001", 16);
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception for hex MIN_VALUE + 1", exception);
+
+ exception = false;
+ try {
+ Integer.parseInt("9999999999", 10);
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception for 9999999999", exception);
+ }
+
+ /**
+ * @tests java.lang.Integer#shortValue()
+ */
+ public void test_shortValue2() {
+ // Test for method short java.lang.Integer.shortValue()
+ Integer i = new Integer(2147450880);
+ assertEquals("Returned incorrect long value", -32768, i.shortValue());
+ }
+
+ /**
+ * @tests java.lang.Integer#toBinaryString(int)
+ */
+ public void test_toBinaryStringI() {
+ // Test for method java.lang.String
+ // java.lang.Integer.toBinaryString(int)
+ assertEquals("Incorrect string returned", "1111111111111111111111111111111", Integer.toBinaryString(
+ Integer.MAX_VALUE));
+ assertEquals("Incorrect string returned", "10000000000000000000000000000000", Integer.toBinaryString(
+ Integer.MIN_VALUE));
+ }
+
+ /**
+ * @tests java.lang.Integer#toHexString(int)
+ */
+ public void test_toHexStringI() {
+ // Test for method java.lang.String java.lang.Integer.toHexString(int)
+
+ String[] hexvals = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
+ "a", "b", "c", "d", "e", "f" };
+
+ for (int i = 0; i < 16; i++) {
+ assertTrue("Incorrect string returned " + hexvals[i], Integer
+ .toHexString(i).equals(hexvals[i]));
+ }
+
+ assertTrue("Returned incorrect hex string: "
+ + Integer.toHexString(Integer.MAX_VALUE), Integer.toHexString(
+ Integer.MAX_VALUE).equals("7fffffff"));
+ assertTrue("Returned incorrect hex string: "
+ + Integer.toHexString(Integer.MIN_VALUE), Integer.toHexString(
+ Integer.MIN_VALUE).equals("80000000"));
+ }
+
+ /**
+ * @tests java.lang.Integer#toOctalString(int)
+ */
+ public void test_toOctalStringI() {
+ // Test for method java.lang.String java.lang.Integer.toOctalString(int)
+ // Spec states that the int arg is treated as unsigned
+ assertEquals("Returned incorrect octal string", "17777777777", Integer.toOctalString(
+ Integer.MAX_VALUE));
+ assertEquals("Returned incorrect octal string", "20000000000", Integer.toOctalString(
+ Integer.MIN_VALUE));
+ }
+
+ /**
+ * @tests java.lang.Integer#toString()
+ */
+ public void test_toString2() {
+ // Test for method java.lang.String java.lang.Integer.toString()
+
+ Integer i = new Integer(-80001);
+
+ assertEquals("Returned incorrect String", "-80001", i.toString());
+ }
+
+ /**
+ * @tests java.lang.Integer#toString(int)
+ */
+ public void test_toStringI2() {
+ // Test for method java.lang.String java.lang.Integer.toString(int)
+
+ assertEquals("Returned incorrect String", "-80765", Integer.toString(-80765)
+ );
+ assertEquals("Returned incorrect octal string", "2147483647", Integer.toString(
+ Integer.MAX_VALUE));
+ assertEquals("Returned incorrect octal string", "-2147483647", Integer.toString(
+ -Integer.MAX_VALUE));
+ assertEquals("Returned incorrect octal string", "-2147483648", Integer.toString(
+ Integer.MIN_VALUE));
+ }
+
+ /**
+ * @tests java.lang.Integer#toString(int, int)
+ */
+ public void test_toStringII() {
+ // Test for method java.lang.String java.lang.Integer.toString(int, int)
+ assertEquals("Returned incorrect octal string", "17777777777", Integer.toString(
+ 2147483647, 8));
+ assertTrue("Returned incorrect hex string--wanted 7fffffff but got: "
+ + Integer.toString(2147483647, 16), Integer.toString(
+ 2147483647, 16).equals("7fffffff"));
+ assertEquals("Incorrect string returned", "1111111111111111111111111111111", Integer.toString(2147483647, 2)
+ );
+ assertEquals("Incorrect string returned", "2147483647", Integer
+ .toString(2147483647, 10));
+
+ assertEquals("Returned incorrect octal string", "-17777777777", Integer.toString(
+ -2147483647, 8));
+ assertTrue("Returned incorrect hex string--wanted -7fffffff but got: "
+ + Integer.toString(-2147483647, 16), Integer.toString(
+ -2147483647, 16).equals("-7fffffff"));
+ assertEquals("Incorrect string returned",
+ "-1111111111111111111111111111111", Integer
+ .toString(-2147483647, 2));
+ assertEquals("Incorrect string returned", "-2147483647", Integer.toString(-2147483647,
+ 10));
+
+ assertEquals("Returned incorrect octal string", "-20000000000", Integer.toString(
+ -2147483648, 8));
+ assertTrue("Returned incorrect hex string--wanted -80000000 but got: "
+ + Integer.toString(-2147483648, 16), Integer.toString(
+ -2147483648, 16).equals("-80000000"));
+ assertEquals("Incorrect string returned",
+ "-10000000000000000000000000000000", Integer
+ .toString(-2147483648, 2));
+ assertEquals("Incorrect string returned", "-2147483648", Integer.toString(-2147483648,
+ 10));
+ }
+
+ /**
+ * @tests java.lang.Integer#valueOf(java.lang.String)
+ */
+ public void test_valueOfLjava_lang_String2() {
+ // Test for method java.lang.Integer
+ // java.lang.Integer.valueOf(java.lang.String)
+ assertEquals("Returned incorrect int", 8888888, Integer.valueOf("8888888")
+ .intValue());
+ assertTrue("Returned incorrect int", Integer.valueOf("2147483647")
+ .intValue() == Integer.MAX_VALUE);
+ assertTrue("Returned incorrect int", Integer.valueOf("-2147483648")
+ .intValue() == Integer.MIN_VALUE);
+
+ boolean exception = false;
+ try {
+ Integer.valueOf("2147483648");
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception with MAX_VALUE + 1", exception);
+
+ exception = false;
+ try {
+ Integer.valueOf("-2147483649");
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception with MIN_VALUE - 1", exception);
+ }
+
+ /**
+ * @tests java.lang.Integer#valueOf(java.lang.String, int)
+ */
+ public void test_valueOfLjava_lang_StringI2() {
+ // Test for method java.lang.Integer
+ // java.lang.Integer.valueOf(java.lang.String, int)
+ assertEquals("Returned incorrect int for hex string", 255, Integer.valueOf(
+ "FF", 16).intValue());
+ assertEquals("Returned incorrect int for oct string", 16, Integer.valueOf(
+ "20", 8).intValue());
+ assertEquals("Returned incorrect int for bin string", 4, Integer.valueOf(
+ "100", 2).intValue());
+
+ assertEquals("Returned incorrect int for - hex string", -255, Integer.valueOf(
+ "-FF", 16).intValue());
+ assertEquals("Returned incorrect int for - oct string", -16, Integer.valueOf(
+ "-20", 8).intValue());
+ assertEquals("Returned incorrect int for - bin string", -4, Integer.valueOf(
+ "-100", 2).intValue());
+ assertTrue("Returned incorrect int", Integer.valueOf("2147483647", 10)
+ .intValue() == Integer.MAX_VALUE);
+ assertTrue("Returned incorrect int", Integer.valueOf("-2147483648", 10)
+ .intValue() == Integer.MIN_VALUE);
+ assertTrue("Returned incorrect int", Integer.valueOf("7fffffff", 16)
+ .intValue() == Integer.MAX_VALUE);
+ assertTrue("Returned incorrect int", Integer.valueOf("-80000000", 16)
+ .intValue() == Integer.MIN_VALUE);
+
+ boolean exception = false;
+ try {
+ Integer.valueOf("FF", 2);
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue(
+ "Failed to throw exception with hex string and base 2 radix",
+ exception);
+
+ exception = false;
+ try {
+ Integer.valueOf("2147483648", 10);
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception with MAX_VALUE + 1", exception);
+
+ exception = false;
+ try {
+ Integer.valueOf("-2147483649", 10);
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception with MIN_VALUE - 1", exception);
+
+ exception = false;
+ try {
+ Integer.valueOf("80000000", 16);
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception with hex MAX_VALUE + 1",
+ exception);
+
+ exception = false;
+ try {
+ Integer.valueOf("-80000001", 16);
+ } catch (NumberFormatException e) {
+ // Correct
+ exception = true;
+ }
+ assertTrue("Failed to throw exception with hex MIN_VALUE - 1",
+ exception);
+ }
+
+ /**
+ * @tests java.lang.Integer#valueOf(byte)
+ */
+ public void test_valueOfI() {
+ assertEquals(new Integer(Integer.MIN_VALUE), Integer.valueOf(Integer.MIN_VALUE));
+ assertEquals(new Integer(Integer.MAX_VALUE), Integer.valueOf(Integer.MAX_VALUE));
+ assertEquals(new Integer(0), Integer.valueOf(0));
+
+ short s = -128;
+ while (s < 128) {
+ assertEquals(new Integer(s), Integer.valueOf(s));
+ assertSame(Integer.valueOf(s), Integer.valueOf(s));
+ s++;
+ }
+ }
+
+ /**
+ * @tests java.lang.Integer#hashCode()
+ */
+ public void test_hashCode() {
+ assertEquals(1, new Integer(1).hashCode());
+ assertEquals(2, new Integer(2).hashCode());
+ assertEquals(0, new Integer(0).hashCode());
+ assertEquals(-1, new Integer(-1).hashCode());
+ }
+
+ /**
+ * @tests java.lang.Integer#Integer(String)
+ */
+ public void test_ConstructorLjava_lang_String() {
+ assertEquals(new Integer(0), new Integer("0"));
+ assertEquals(new Integer(1), new Integer("1"));
+ assertEquals(new Integer(-1), new Integer("-1"));
+
+ try {
+ new Integer("0x1");
+ fail("Expected NumberFormatException with hex string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ new Integer("9.2");
+ fail("Expected NumberFormatException with floating point string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ new Integer("");
+ fail("Expected NumberFormatException with empty string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ new Integer(null);
+ fail("Expected NumberFormatException with null string.");
+ } catch (NumberFormatException e) {}
+ }
+
+ /**
+ * @tests java.lang.Integer#Integer
+ */
+ public void test_ConstructorI() {
+ assertEquals(1, new Integer(1).intValue());
+ assertEquals(2, new Integer(2).intValue());
+ assertEquals(0, new Integer(0).intValue());
+ assertEquals(-1, new Integer(-1).intValue());
+
+ Integer i = new Integer(-89000);
+ assertEquals("Incorrect Integer created", -89000, i.intValue());
+ }
+
+ /**
+ * @tests java.lang.Integer#byteValue()
+ */
+ public void test_booleanValue() {
+ assertEquals(1, new Integer(1).byteValue());
+ assertEquals(2, new Integer(2).byteValue());
+ assertEquals(0, new Integer(0).byteValue());
+ assertEquals(-1, new Integer(-1).byteValue());
+ }
+
+ /**
+ * @tests java.lang.Integer#equals(Object)
+ */
+ public void test_equalsLjava_lang_Object() {
+ assertEquals(new Integer(0), Integer.valueOf(0));
+ assertEquals(new Integer(1), Integer.valueOf(1));
+ assertEquals(new Integer(-1), Integer.valueOf(-1));
+
+ Integer fixture = new Integer(25);
+ assertEquals(fixture, fixture);
+ assertFalse(fixture.equals(null));
+ assertFalse(fixture.equals("Not a Integer"));
+ }
+
+ /**
+ * @tests java.lang.Integer#toString()
+ */
+ public void test_toString() {
+ assertEquals("-1", new Integer(-1).toString());
+ assertEquals("0", new Integer(0).toString());
+ assertEquals("1", new Integer(1).toString());
+ assertEquals("-1", new Integer(0xFFFFFFFF).toString());
+ }
+
+ /**
+ * @tests java.lang.Integer#toString
+ */
+ public void test_toStringI() {
+ assertEquals("-1", Integer.toString(-1));
+ assertEquals("0", Integer.toString(0));
+ assertEquals("1", Integer.toString(1));
+ assertEquals("-1", Integer.toString(0xFFFFFFFF));
+ }
+
+ /**
+ * @tests java.lang.Integer#valueOf(String)
+ */
+ public void test_valueOfLjava_lang_String() {
+ assertEquals(new Integer(0), Integer.valueOf("0"));
+ assertEquals(new Integer(1), Integer.valueOf("1"));
+ assertEquals(new Integer(-1), Integer.valueOf("-1"));
+
+ try {
+ Integer.valueOf("0x1");
+ fail("Expected NumberFormatException with hex string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ Integer.valueOf("9.2");
+ fail("Expected NumberFormatException with floating point string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ Integer.valueOf("");
+ fail("Expected NumberFormatException with empty string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ Integer.valueOf(null);
+ fail("Expected NumberFormatException with null string.");
+ } catch (NumberFormatException e) {}
+ }
+
+ /**
+ * @tests java.lang.Integer#valueOf(String,int)
+ */
+ public void test_valueOfLjava_lang_StringI() {
+ assertEquals(new Integer(0), Integer.valueOf("0", 10));
+ assertEquals(new Integer(1), Integer.valueOf("1", 10));
+ assertEquals(new Integer(-1), Integer.valueOf("-1", 10));
+
+ //must be consistent with Character.digit()
+ assertEquals(Character.digit('1', 2), Integer.valueOf("1", 2).byteValue());
+ assertEquals(Character.digit('F', 16), Integer.valueOf("F", 16).byteValue());
+
+ try {
+ Integer.valueOf("0x1", 10);
+ fail("Expected NumberFormatException with hex string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ Integer.valueOf("9.2", 10);
+ fail("Expected NumberFormatException with floating point string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ Integer.valueOf("", 10);
+ fail("Expected NumberFormatException with empty string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ Integer.valueOf(null, 10);
+ fail("Expected NumberFormatException with null string.");
+ } catch (NumberFormatException e) {}
+ }
+
+ /**
+ * @tests java.lang.Integer#parseInt(String)
+ */
+ public void test_parseIntLjava_lang_String() {
+ assertEquals(0, Integer.parseInt("0"));
+ assertEquals(1, Integer.parseInt("1"));
+ assertEquals(-1, Integer.parseInt("-1"));
+
+ try {
+ Integer.parseInt("0x1");
+ fail("Expected NumberFormatException with hex string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ Integer.parseInt("9.2");
+ fail("Expected NumberFormatException with floating point string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ Integer.parseInt("");
+ fail("Expected NumberFormatException with empty string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ Integer.parseInt(null);
+ fail("Expected NumberFormatException with null string.");
+ } catch (NumberFormatException e) {}
+ }
+
+ /**
+ * @tests java.lang.Integer#parseInt(String,int)
+ */
+ public void test_parseIntLjava_lang_StringI() {
+ assertEquals(0, Integer.parseInt("0", 10));
+ assertEquals(1, Integer.parseInt("1", 10));
+ assertEquals(-1, Integer.parseInt("-1", 10));
+
+ //must be consistent with Character.digit()
+ assertEquals(Character.digit('1', 2), Integer.parseInt("1", 2));
+ assertEquals(Character.digit('F', 16), Integer.parseInt("F", 16));
+
+ try {
+ Integer.parseInt("0x1", 10);
+ fail("Expected NumberFormatException with hex string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ Integer.parseInt("9.2", 10);
+ fail("Expected NumberFormatException with floating point string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ Integer.parseInt("", 10);
+ fail("Expected NumberFormatException with empty string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ Integer.parseInt(null, 10);
+ fail("Expected NumberFormatException with null string.");
+ } catch (NumberFormatException e) {}
+ }
+
+ /**
+ * @tests java.lang.Integer#decode(String)
+ */
+ public void test_decodeLjava_lang_String() {
+ assertEquals(new Integer(0), Integer.decode("0"));
+ assertEquals(new Integer(1), Integer.decode("1"));
+ assertEquals(new Integer(-1), Integer.decode("-1"));
+ assertEquals(new Integer(0xF), Integer.decode("0xF"));
+ assertEquals(new Integer(0xF), Integer.decode("#F"));
+ assertEquals(new Integer(0xF), Integer.decode("0XF"));
+ assertEquals(new Integer(07), Integer.decode("07"));
+
+ try {
+ Integer.decode("9.2");
+ fail("Expected NumberFormatException with floating point string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ Integer.decode("");
+ fail("Expected NumberFormatException with empty string.");
+ } catch (NumberFormatException e) {}
+
+ try {
+ Integer.decode(null);
+ //undocumented NPE, but seems consistent across JREs
+ fail("Expected NullPointerException with null string.");
+ } catch (NullPointerException e) {}
+ }
+
+ /**
+ * @tests java.lang.Integer#doubleValue()
+ */
+ public void test_doubleValue() {
+ assertEquals(-1D, new Integer(-1).doubleValue(), 0D);
+ assertEquals(0D, new Integer(0).doubleValue(), 0D);
+ assertEquals(1D, new Integer(1).doubleValue(), 0D);
+ }
+
+ /**
+ * @tests java.lang.Integer#floatValue()
+ */
+ public void test_floatValue() {
+ assertEquals(-1F, new Integer(-1).floatValue(), 0F);
+ assertEquals(0F, new Integer(0).floatValue(), 0F);
+ assertEquals(1F, new Integer(1).floatValue(), 0F);
+ }
+
+ /**
+ * @tests java.lang.Integer#intValue()
+ */
+ public void test_intValue() {
+ assertEquals(-1, new Integer(-1).intValue());
+ assertEquals(0, new Integer(0).intValue());
+ assertEquals(1, new Integer(1).intValue());
+ }
+
+ /**
+ * @tests java.lang.Integer#longValue()
+ */
+ public void test_longValue() {
+ assertEquals(-1L, new Integer(-1).longValue());
+ assertEquals(0L, new Integer(0).longValue());
+ assertEquals(1L, new Integer(1).longValue());
+ }
+
+ /**
+ * @tests java.lang.Integer#shortValue()
+ */
+ public void test_shortValue() {
+ assertEquals(-1, new Integer(-1).shortValue());
+ assertEquals(0, new Integer(0).shortValue());
+ assertEquals(1, new Integer(1).shortValue());
+ }
+ /**
+ * @tests java.lang.Integer#highestOneBit(int)
+ */
+ public void test_highestOneBitI() {
+ assertEquals(0x08, Integer.highestOneBit(0x0A));
+ assertEquals(0x08, Integer.highestOneBit(0x0B));
+ assertEquals(0x08, Integer.highestOneBit(0x0C));
+ assertEquals(0x08, Integer.highestOneBit(0x0F));
+ assertEquals(0x80, Integer.highestOneBit(0xFF));
+
+ assertEquals(0x080000, Integer.highestOneBit(0x0F1234));
+ assertEquals(0x800000, Integer.highestOneBit(0xFF9977));
+
+ assertEquals(0x80000000, Integer.highestOneBit(0xFFFFFFFF));
+
+ assertEquals(0, Integer.highestOneBit(0));
+ assertEquals(1, Integer.highestOneBit(1));
+ assertEquals(0x80000000, Integer.highestOneBit(-1));
+ }
+
+ /**
+ * @tests java.lang.Integer#lowestOneBit(int)
+ */
+ public void test_lowestOneBitI() {
+ assertEquals(0x10, Integer.lowestOneBit(0xF0));
+
+ assertEquals(0x10, Integer.lowestOneBit(0x90));
+ assertEquals(0x10, Integer.lowestOneBit(0xD0));
+
+ assertEquals(0x10, Integer.lowestOneBit(0x123490));
+ assertEquals(0x10, Integer.lowestOneBit(0x1234D0));
+
+ assertEquals(0x100000, Integer.lowestOneBit(0x900000));
+ assertEquals(0x100000, Integer.lowestOneBit(0xD00000));
+
+ assertEquals(0x40, Integer.lowestOneBit(0x40));
+ assertEquals(0x40, Integer.lowestOneBit(0xC0));
+
+ assertEquals(0x4000, Integer.lowestOneBit(0x4000));
+ assertEquals(0x4000, Integer.lowestOneBit(0xC000));
+
+ assertEquals(0x4000, Integer.lowestOneBit(0x99994000));
+ assertEquals(0x4000, Integer.lowestOneBit(0x9999C000));
+
+ assertEquals(0, Integer.lowestOneBit(0));
+ assertEquals(1, Integer.lowestOneBit(1));
+ assertEquals(1, Integer.lowestOneBit(-1));
+ }
+ /**
+ * @tests java.lang.Integer#numberOfLeadingZeros(int)
+ */
+ public void test_numberOfLeadingZerosI() {
+ assertEquals(32, Integer.numberOfLeadingZeros(0x0));
+ assertEquals(31, Integer.numberOfLeadingZeros(0x1));
+ assertEquals(30, Integer.numberOfLeadingZeros(0x2));
+ assertEquals(30, Integer.numberOfLeadingZeros(0x3));
+ assertEquals(29, Integer.numberOfLeadingZeros(0x4));
+ assertEquals(29, Integer.numberOfLeadingZeros(0x5));
+ assertEquals(29, Integer.numberOfLeadingZeros(0x6));
+ assertEquals(29, Integer.numberOfLeadingZeros(0x7));
+ assertEquals(28, Integer.numberOfLeadingZeros(0x8));
+ assertEquals(28, Integer.numberOfLeadingZeros(0x9));
+ assertEquals(28, Integer.numberOfLeadingZeros(0xA));
+ assertEquals(28, Integer.numberOfLeadingZeros(0xB));
+ assertEquals(28, Integer.numberOfLeadingZeros(0xC));
+ assertEquals(28, Integer.numberOfLeadingZeros(0xD));
+ assertEquals(28, Integer.numberOfLeadingZeros(0xE));
+ assertEquals(28, Integer.numberOfLeadingZeros(0xF));
+ assertEquals(27, Integer.numberOfLeadingZeros(0x10));
+ assertEquals(24, Integer.numberOfLeadingZeros(0x80));
+ assertEquals(24, Integer.numberOfLeadingZeros(0xF0));
+ assertEquals(23, Integer.numberOfLeadingZeros(0x100));
+ assertEquals(20, Integer.numberOfLeadingZeros(0x800));
+ assertEquals(20, Integer.numberOfLeadingZeros(0xF00));
+ assertEquals(19, Integer.numberOfLeadingZeros(0x1000));
+ assertEquals(16, Integer.numberOfLeadingZeros(0x8000));
+ assertEquals(16, Integer.numberOfLeadingZeros(0xF000));
+ assertEquals(15, Integer.numberOfLeadingZeros(0x10000));
+ assertEquals(12, Integer.numberOfLeadingZeros(0x80000));
+ assertEquals(12, Integer.numberOfLeadingZeros(0xF0000));
+ assertEquals(11, Integer.numberOfLeadingZeros(0x100000));
+ assertEquals(8, Integer.numberOfLeadingZeros(0x800000));
+ assertEquals(8, Integer.numberOfLeadingZeros(0xF00000));
+ assertEquals(7, Integer.numberOfLeadingZeros(0x1000000));
+ assertEquals(4, Integer.numberOfLeadingZeros(0x8000000));
+ assertEquals(4, Integer.numberOfLeadingZeros(0xF000000));
+ assertEquals(3, Integer.numberOfLeadingZeros(0x10000000));
+ assertEquals(0, Integer.numberOfLeadingZeros(0x80000000));
+ assertEquals(0, Integer.numberOfLeadingZeros(0xF0000000));
+
+ assertEquals(1, Integer.numberOfLeadingZeros(Integer.MAX_VALUE));
+ assertEquals(0, Integer.numberOfLeadingZeros(Integer.MIN_VALUE));
+ }
+
+ /**
+ * @tests java.lang.Integer#numberOfTrailingZeros(int)
+ */
+ public void test_numberOfTrailingZerosI() {
+ assertEquals(32, Integer.numberOfTrailingZeros(0x0));
+ assertEquals(31, Integer.numberOfTrailingZeros(Integer.MIN_VALUE));
+ assertEquals(0, Integer.numberOfTrailingZeros(Integer.MAX_VALUE));
+
+ assertEquals(0, Integer.numberOfTrailingZeros(0x1));
+ assertEquals(3, Integer.numberOfTrailingZeros(0x8));
+ assertEquals(0, Integer.numberOfTrailingZeros(0xF));
+
+ assertEquals(4, Integer.numberOfTrailingZeros(0x10));
+ assertEquals(7, Integer.numberOfTrailingZeros(0x80));
+ assertEquals(4, Integer.numberOfTrailingZeros(0xF0));
+
+ assertEquals(8, Integer.numberOfTrailingZeros(0x100));
+ assertEquals(11, Integer.numberOfTrailingZeros(0x800));
+ assertEquals(8, Integer.numberOfTrailingZeros(0xF00));
+
+ assertEquals(12, Integer.numberOfTrailingZeros(0x1000));
+ assertEquals(15, Integer.numberOfTrailingZeros(0x8000));
+ assertEquals(12, Integer.numberOfTrailingZeros(0xF000));
+
+ assertEquals(16, Integer.numberOfTrailingZeros(0x10000));
+ assertEquals(19, Integer.numberOfTrailingZeros(0x80000));
+ assertEquals(16, Integer.numberOfTrailingZeros(0xF0000));
+
+ assertEquals(20, Integer.numberOfTrailingZeros(0x100000));
+ assertEquals(23, Integer.numberOfTrailingZeros(0x800000));
+ assertEquals(20, Integer.numberOfTrailingZeros(0xF00000));
+
+ assertEquals(24, Integer.numberOfTrailingZeros(0x1000000));
+ assertEquals(27, Integer.numberOfTrailingZeros(0x8000000));
+ assertEquals(24, Integer.numberOfTrailingZeros(0xF000000));
+
+ assertEquals(28, Integer.numberOfTrailingZeros(0x10000000));
+ assertEquals(31, Integer.numberOfTrailingZeros(0x80000000));
+ assertEquals(28, Integer.numberOfTrailingZeros(0xF0000000));
+ }
+
+ /**
+ * @tests java.lang.Integer#bitCount(int)
+ */
+ public void test_bitCountI() {
+ assertEquals(0, Integer.bitCount(0x0));
+ assertEquals(1, Integer.bitCount(0x1));
+ assertEquals(1, Integer.bitCount(0x2));
+ assertEquals(2, Integer.bitCount(0x3));
+ assertEquals(1, Integer.bitCount(0x4));
+ assertEquals(2, Integer.bitCount(0x5));
+ assertEquals(2, Integer.bitCount(0x6));
+ assertEquals(3, Integer.bitCount(0x7));
+ assertEquals(1, Integer.bitCount(0x8));
+ assertEquals(2, Integer.bitCount(0x9));
+ assertEquals(2, Integer.bitCount(0xA));
+ assertEquals(3, Integer.bitCount(0xB));
+ assertEquals(2, Integer.bitCount(0xC));
+ assertEquals(3, Integer.bitCount(0xD));
+ assertEquals(3, Integer.bitCount(0xE));
+ assertEquals(4, Integer.bitCount(0xF));
+
+ assertEquals(8, Integer.bitCount(0xFF));
+ assertEquals(12, Integer.bitCount(0xFFF));
+ assertEquals(16, Integer.bitCount(0xFFFF));
+ assertEquals(20, Integer.bitCount(0xFFFFF));
+ assertEquals(24, Integer.bitCount(0xFFFFFF));
+ assertEquals(28, Integer.bitCount(0xFFFFFFF));
+ assertEquals(32, Integer.bitCount(0xFFFFFFFF));
+ }
+
+ /**
+ * @tests java.lang.Integer#rotateLeft(int,int)
+ */
+ public void test_rotateLeftII() {
+ assertEquals(0xF, Integer.rotateLeft(0xF, 0));
+ assertEquals(0xF0, Integer.rotateLeft(0xF, 4));
+ assertEquals(0xF00, Integer.rotateLeft(0xF, 8));
+ assertEquals(0xF000, Integer.rotateLeft(0xF, 12));
+ assertEquals(0xF0000, Integer.rotateLeft(0xF, 16));
+ assertEquals(0xF00000, Integer.rotateLeft(0xF, 20));
+ assertEquals(0xF000000, Integer.rotateLeft(0xF, 24));
+ assertEquals(0xF0000000, Integer.rotateLeft(0xF, 28));
+ assertEquals(0xF0000000, Integer.rotateLeft(0xF0000000, 32));
+ }
+
+ /**
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