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Posted to commits@openjpa.apache.org by pc...@apache.org on 2006/08/01 07:03:08 UTC
svn commit: r427444 -
/incubator/openjpa/trunk/openjpa-lib/src/test/java/org/apache/openjpa/lib/util/TestPropertiesParser.java
Author: pcl
Date: Mon Jul 31 22:03:08 2006
New Revision: 427444
URL: http://svn.apache.org/viewvc?rev=427444&view=rev
Log:
Brett Porter's patch to resolve OPENJPA-3
Modified:
incubator/openjpa/trunk/openjpa-lib/src/test/java/org/apache/openjpa/lib/util/TestPropertiesParser.java
Modified: incubator/openjpa/trunk/openjpa-lib/src/test/java/org/apache/openjpa/lib/util/TestPropertiesParser.java
URL: http://svn.apache.org/viewvc/incubator/openjpa/trunk/openjpa-lib/src/test/java/org/apache/openjpa/lib/util/TestPropertiesParser.java?rev=427444&r1=427443&r2=427444&view=diff
==============================================================================
--- incubator/openjpa/trunk/openjpa-lib/src/test/java/org/apache/openjpa/lib/util/TestPropertiesParser.java (original)
+++ incubator/openjpa/trunk/openjpa-lib/src/test/java/org/apache/openjpa/lib/util/TestPropertiesParser.java Mon Jul 31 22:03:08 2006
@@ -1,378 +1,394 @@
-/*
- * Copyright 2006 The Apache Software Foundation.
- * 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.openjpa.lib.util;
-
-import java.io.BufferedInputStream;
-import java.io.BufferedReader;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
-import java.io.StringBufferInputStream;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Properties;
-
-import junit.framework.TestCase;
-import org.apache.openjpa.lib.util.FormatPreservingProperties.DuplicateKeyException;
-
-// things to test:
-// - delimiters in keys
-// - escape chars, including \:, \= in files(as generated by Properties)
-// - unicode
-// - non-String keys / vals
-// - list() method behavior
-
-public class TestPropertiesParser extends TestCase {
-
- public void testSimpleProperties() throws IOException {
- StringBuffer buf = new StringBuffer();
- buf.append("key: value\n");
- buf.append("key2: value2"); // no EOL -- this is intentional
- Properties p = toProperties(buf.toString());
- assertProperties(new String[][]{
- { "key", "value" }, { "key2", "value2" } }, p);
- }
-
- public void testComments() throws IOException {
- StringBuffer buf = new StringBuffer();
- buf.append("# this is a comment\n");
- buf.append(" # another one, with leading whitespace \n");
- buf.append(" # and more with interesting whitespace \n");
- buf.append("! and with a ! delimiter\n");
- buf.append("! and with escape \t chars\n");
- buf.append("#and a comment with no whitespace\n");
- Properties p = toProperties(buf.toString());
- assertEquals(0, p.size());
- }
-
- public void testMixedContent() throws IOException {
- StringBuffer buf = new StringBuffer();
- buf.append("# this is a comment\n");
- buf.append(" # another one, with leading whitespace \n");
- buf.append("foo: bar#baz\n");
- buf.append("! and with a ! delimiter\n");
- buf.append("! and with escape \t chars\n");
- Properties p = toProperties(buf.toString());
- assertProperties(new String[][]{ { "foo", "bar#baz" } }, p);
- }
-
- public void testMultiLineInput() throws IOException {
- String s = "foo: bar\\\n" + "more line goes here";
- Properties p = toProperties(s);
- assertProperties(
- new String[][]{ { "foo", "barmore line goes here" } }, p);
- }
-
- public void testEmptyLines() throws IOException {
- Properties p = toProperties("\nfoo: bar\n\nbaz: val");
- assertProperties(new String[][]{ { "foo", "bar" }, { "baz", "val" } },
- p);
- }
-
- public void testAddProperties() throws IOException {
- // intentionally left out the trailing end line
- String s = "foo: bar\nbaz: val";
- Properties p = toProperties(s);
- assertProperties(new String[][]{ { "foo", "bar" }, { "baz", "val" } },
- p);
-
- p.put("new-key", "val1");
- p.put("new-key-2", "val2");
- p.put("another-new-key", "val3");
- assertRoundTrip(s + "\nnew-key: val1\nnew-key-2: val2\n" +
- "another-new-key: val3\n", p);
- }
-
- public void testAddAndMutateProperties() throws IOException {
- // intentionally left out the trailing end line
- Properties p = toProperties("foo: bar\nbaz: val");
- assertProperties(new String[][]{ { "foo", "bar" }, { "baz", "val" } },
- p);
-
- p.put("new-key", "new value");
- p.put("foo", "barbar");
- assertRoundTrip("foo: barbar\nbaz: val\nnew-key: new value\n", p);
- }
-
- public void testEscapedEquals() throws IOException {
- Properties p = toProperties("foo=bar\\=WARN,baz\\=TRACE");
- assertProperties(new String[][]{ { "foo", "bar=WARN,baz=TRACE" } }, p);
- }
-
- public void testLineTypes() throws IOException {
- StringBuffer buf = new StringBuffer();
- buf.append(" !comment\n \t \nname = no\n "
- + "#morec\tomm\\\nents\n\n dog=no\\cat \nburps "
- + ":\ntest=\ndate today\n\n\nlong\\\n value=tryin \\\n "
- + "gto\n4:vier\nvier :4");
- Properties p = toProperties(buf.toString());
- assertProperties(new String[][]{
- { "name", "no" }, { "ents", "" }, { "dog", "nocat " },
- { "burps", "" }, { "test", "" }, { "date", "today" },
- { "longvalue", "tryin gto" }, { "4", "vier" }, { "vier", "4" },
- }, p);
- }
-
- public void testSpecialChars() throws Throwable {
- testSpecialChars(false, true);
- testSpecialChars(true, true);
- testSpecialChars(false, false);
- testSpecialChars(true, false);
- }
-
- /**
- * Test that special characters work.
- *
- * @param formattingProps if true, test against the
- * FormatPreservingProperties, otherwise test
- * against a normal Properties instance(for validation of the test case).
- * @param value whether to test the key or the value
- */
- public void testSpecialChars(boolean formattingProps, boolean value)
- throws Throwable {
- List valueList = new ArrayList(Arrays.asList(new String[]{
- "xxyy", "xx\\yy", "xx\nyy", "xx\\nyy", "xx\tyy", "xx\\tyy",
- "xx\ryy", "xx\\ryy", "xx\fyy", "xx\\fyy", "xx\r\n\\\t\r\t\nyy",
- "xx\\r\n\\\t\\r\t\\nyy",
- "xx\r\n\\\\\\\\\\\\\\\\\\\\\\\\\\\t\r\t\nyy",
- "C:\\Program Files\\Some Application\\OpenJPA\\My File.dat", }));
-
- // also store every individual character
- for (char c = 'a'; c < 'Z'; c++) {
- valueList.add(new String(new char[]{ c }));
- valueList.add(new String(new char[]{ c, '\\', c }));
- valueList.add(new String(new char[]{ '\\', c }));
- }
-
- String[] values = (String[]) valueList.toArray(new String[0]);
-
- final String dummy = "XXX";
-
- for (int i = 0; i < values.length; i++) {
- // test special characters in either keys or values
- String val = value ? values[i] : dummy;
- String key = value ? dummy : values[i];
-
- Properties p = formattingProps ?
- new FormatPreservingProperties() : new Properties();
- if (p instanceof FormatPreservingProperties) {
- // set these properties so we behave the same way as
- // java.util.Properties
- ((FormatPreservingProperties) p).setDefaultEntryDelimiter('=');
- ((FormatPreservingProperties) p).
- setAddWhitespaceAfterDelimiter(false);
- }
-
- p.setProperty(key, val);
- ByteArrayOutputStream out = new ByteArrayOutputStream();
- p.store(out, null);
-
- Properties copy = new Properties();
- copy.setProperty(key, val);
- ByteArrayOutputStream copyOut = new ByteArrayOutputStream();
- copy.store(copyOut, null);
-
- p = formattingProps ?
- new FormatPreservingProperties() : new Properties();
-
- InputStream in = new BufferedInputStream
- (new ByteArrayInputStream(out.toByteArray()));
-
- try {
- // make sure that the 2 properties serialized are the same
- String copyOutString = stripComments(copyOut.toByteArray());
- String outString = stripComments(out.toByteArray());
- assertEquals(copyOutString, outString);
-
- p.load(in);
-
- assertNotNull("Property \"" + key + "\" was null",
- p.getProperty(key));
- assertEquals(val.trim(), p.getProperty(key).trim());
- } catch (Throwable ioe) {
- if (!formattingProps)
- throw ioe;
-
- // bug(1211, ioe,
- // "Cannot store backslash in FormatPreservingProperties");
- throw ioe;
- }
- }
- }
-
- static Character randomChar() {
- char [] TEST_CHAR_ARRAY = new char []{
- 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
- 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r',
- 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '1',
- '2', '3', '4', '5', '6', '7', '8', '9' };
-
- return new Character(TEST_CHAR_ARRAY[
- (int) (Math.random() * TEST_CHAR_ARRAY.length)]);
- }
-
- static String randomString(int len) {
- StringBuffer buf = new StringBuffer();
- for (int i = 0; i < (int) (Math.random() * len) + 1; i++)
- buf.append(randomChar());
- return buf.toString();
- }
-
- public void testEquivalentStore() throws IOException {
- Properties p1 = new Properties();
- FormatPreservingProperties p2 = new FormatPreservingProperties();
-
- ((FormatPreservingProperties) p2).setDefaultEntryDelimiter('=');
- ((FormatPreservingProperties) p2).setAddWhitespaceAfterDelimiter(false);
-
- String[] values = new String[]{
- "x", "x\ny", "x\\ny", "x\ty", "x\\ty", "x\fy", "x\\fy", "x\ry",
- "x\\ry", "C:\\Foo Bar\\Baz", randomString(5).replace('a', '\\'),
- randomString(500).replace('a', '\\'),
- randomString(5000).replace('a', '\\'), };
-
- for (int i = 0; i < values.length; i++) {
- p1.clear();
- p2.clear();
-
- p1.setProperty("xxx", values[i]);
- p2.setProperty("xxx", values[i]);
-
- ByteArrayOutputStream out1 = new ByteArrayOutputStream();
- ByteArrayOutputStream out2 = new ByteArrayOutputStream();
-
- p1.store(out1, null);
- p2.store(out2, null);
-
- String s1 = new String(out1.toByteArray());
- String s2 = new String(out2.toByteArray());
-
- assertTrue("Expected <" + s1 + "> but was <" + s2 + ">",
- s1.indexOf(s2) != -1);
- }
- }
-
- static String stripComments(byte[] bytes) throws IOException {
- BufferedReader reader = new BufferedReader(new InputStreamReader
- (new ByteArrayInputStream(bytes)));
- StringBuffer sbuf = new StringBuffer();
- String line;
- while ((line = reader.readLine()) != null) {
- // skip comments
- if (line.trim().startsWith("#"))
- continue;
-
- sbuf.append(line);
- sbuf.append('\n');
- }
-
- return sbuf.toString();
- }
-
- public void testDuplicateProperties() throws IOException {
- FormatPreservingProperties p = new FormatPreservingProperties();
- try {
- toProperties("foo=bar\nfoo=baz", p);
- fail("expected duplicate keys to cause exception");
- } catch (DuplicateKeyException e) {
- // expected
- }
-
- // now test the expected behavior when duplicates are allowed.
- p = new FormatPreservingProperties();
- p.setAllowDuplicates(true);
- toProperties("foo=bar\nfoo=baz", p);
- assertProperties(new String[][]{ { "foo", "baz" } }, p);
- }
-
- public void testMultipleLoads() throws IOException {
- String props = "foo=bar\nbaz=quux";
- String props2 = "a=b\nc=d";
- Properties vanilla = new Properties();
- vanilla.load(new BufferedInputStream
- (new StringBufferInputStream(props)));
- vanilla.load(new BufferedInputStream
- (new StringBufferInputStream(props2)));
-
- Properties p = new FormatPreservingProperties();
- p.load(new BufferedInputStream(new StringBufferInputStream(props)));
- p.load(new BufferedInputStream(new StringBufferInputStream(props2)));
- assertPropertiesSame(vanilla, p);
- }
-
- protected FormatPreservingProperties toProperties(String s)
- throws IOException {
- return toProperties(s, new FormatPreservingProperties());
- }
-
- protected FormatPreservingProperties toProperties(String s,
- FormatPreservingProperties p) throws IOException {
- Properties vanilla = new Properties();
- vanilla.load(new StringBufferInputStream(s));
-
- p.load(new StringBufferInputStream(s));
- assertRoundTrip(s, p);
-
- assertPropertiesSame(vanilla, p);
-
- return p;
- }
-
- private void assertRoundTrip(String s, Properties p) throws IOException {
- ByteArrayOutputStream out = new ByteArrayOutputStream();
- p.store(out, null);
- assertEquals(s, out.toString());
-
- // also check serializable
- ByteArrayOutputStream bout = new ByteArrayOutputStream();
- new ObjectOutputStream(bout).writeObject(p);
-
- try {
- FormatPreservingProperties deserialized =
- (FormatPreservingProperties) new ObjectInputStream
- (new ByteArrayInputStream(bout.toByteArray())).
- readObject();
- assertEquals(p, deserialized);
-
- out = new ByteArrayOutputStream();
- deserialized.store(out, null);
- assertEquals(s, out.toString());
- } catch (ClassNotFoundException cnfe) {
- fail(cnfe + "");
- }
- }
-
- public static void assertEquals(String expected, String actual) {
- if (expected == actual)
- return;
-
- if (expected == null || !expected.equals(actual))
- fail("Expected <" + expected + "> but was <" + actual + ">");
- }
-
- private void assertPropertiesSame(Properties vanilla, Properties p) {
- assertEquals(vanilla, p);
- }
-
- protected void assertProperties(String[][] strings, Properties p) {
- for (int i = 0; i < strings.length; i++)
- assertEquals(strings[i][1], p.get(strings[i][0]));
-
- assertEquals(strings.length, p.size());
- }
-}
+/*
+ * Copyright 2006 The Apache Software Foundation.
+ * 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.openjpa.lib.util;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.StringBufferInputStream;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Properties;
+
+import junit.framework.TestCase;
+import org.apache.openjpa.lib.util.FormatPreservingProperties.DuplicateKeyException;
+
+// things to test:
+// - delimiters in keys
+// - escape chars, including \:, \= in files(as generated by Properties)
+// - unicode
+// - non-String keys / vals
+// - list() method behavior
+
+public class TestPropertiesParser extends TestCase {
+
+ private static final String LS = System.getProperty( "line.separator" );
+
+ public void testSimpleProperties() throws IOException {
+ StringBuffer buf = new StringBuffer();
+ buf.append("key: value" + LS);
+ buf.append("key2: value2"); // no EOL -- this is intentional
+ Properties p = toProperties(buf.toString());
+ assertProperties(new String[][]{
+ { "key", "value" }, { "key2", "value2" } }, p);
+ }
+
+ public void testComments() throws IOException {
+ StringBuffer buf = new StringBuffer();
+ buf.append("# this is a comment" + LS);
+ buf.append(" # another one, with leading whitespace " + LS);
+ buf.append(" # and more with interesting whitespace " + LS);
+ buf.append("! and with a ! delimiter" + LS);
+ buf.append("! and with escape \t chars" + LS);
+ buf.append("#and a comment with no whitespace" + LS);
+ Properties p = toProperties(buf.toString());
+ assertEquals(0, p.size());
+ }
+
+ public void testMixedContent() throws IOException {
+ StringBuffer buf = new StringBuffer();
+ buf.append("# this is a comment" + LS);
+ buf.append(" # another one, with leading whitespace " + LS);
+ buf.append("foo: bar#baz" + LS);
+ buf.append("! and with a ! delimiter" + LS);
+ buf.append("! and with escape \t chars" + LS);
+ Properties p = toProperties(buf.toString());
+ assertProperties(new String[][]{ { "foo", "bar#baz" } }, p);
+ }
+
+ public void testMultiLineInput() throws IOException {
+ String s = "foo: bar\\" + LS + "more line goes here";
+ Properties p = toProperties(s);
+ assertProperties(
+ new String[][]{ { "foo", "barmore line goes here" } }, p);
+ }
+
+ public void testEmptyLines() throws IOException {
+ Properties p = toProperties(LS + "foo: bar" + LS + LS + "baz: val");
+ assertProperties(new String[][]{ { "foo", "bar" }, { "baz", "val" } },
+ p);
+ }
+
+ public void testAddProperties() throws IOException {
+ // intentionally left out the trailing end line
+ String s = "foo: bar" + LS + "baz: val";
+ Properties p = toProperties(s);
+ assertProperties(new String[][]{ { "foo", "bar" }, { "baz", "val" } },
+ p);
+
+ p.put("new-key", "val1");
+ p.put("new-key-2", "val2");
+ p.put("another-new-key", "val3");
+ assertRoundTrip(s + LS + "new-key: val1" + LS + "new-key-2: val2" + LS +
+ "another-new-key: val3" + LS, p);
+ }
+
+ public void testAddAndMutateProperties() throws IOException {
+ // intentionally left out the trailing end line
+ Properties p = toProperties("foo: bar" + LS + "baz: val");
+ assertProperties(new String[][]{ { "foo", "bar" }, { "baz", "val" } },
+ p);
+
+ p.put("new-key", "new value");
+ p.put("foo", "barbar");
+ assertRoundTrip("foo: barbar" + LS + "baz: val" + LS
+ + "new-key: new value" + LS, p);
+ }
+
+ public void testEscapedEquals() throws IOException {
+ Properties p = toProperties("foo=bar\\=WARN,baz\\=TRACE");
+ assertProperties(new String[][]{ { "foo", "bar=WARN,baz=TRACE" } }, p);
+ }
+
+ public void testLineTypes() throws IOException {
+ StringBuffer buf = new StringBuffer();
+ buf.append(" !comment" + LS + " \t " + LS + "name = no" + LS + " "
+ + "#morec\tomm\\" + LS + "ents" + LS + LS + " dog=no\\cat " + LS
+ + "burps :" + LS + "test=" + LS + "date today" + LS + LS + LS
+ + "long\\" + LS + " value=tryin \\" + LS + " "
+ + "gto" + LS + "4:vier" + LS + "vier :4");
+ Properties p = toProperties(buf.toString());
+ assertProperties(new String[][]{
+ { "name", "no" }, { "ents", "" }, { "dog", "nocat " },
+ { "burps", "" }, { "test", "" }, { "date", "today" },
+ { "longvalue", "tryin gto" }, { "4", "vier" }, { "vier", "4" },
+ }, p);
+ }
+
+ public void testSpecialChars() throws Throwable {
+ testSpecialChars(false, true);
+ testSpecialChars(true, true);
+ testSpecialChars(false, false);
+ testSpecialChars(true, false);
+ }
+
+ /**
+ * Test that special characters work.
+ *
+ * @param formattingProps if true, test against the
+ * FormatPreservingProperties, otherwise test
+ * against a normal Properties instance(for validation of the test case).
+ * @param value whether to test the key or the value
+ */
+ public void testSpecialChars(boolean formattingProps, boolean value)
+ throws Throwable {
+ List valueList = new ArrayList(Arrays.asList(new String[]{
+ "xxyy", "xx\\yy", "xx" + LS + "yy", "xx\\nyy", "xx\tyy", "xx\\tyy",
+ "xx\ryy", "xx\\ryy", "xx\fyy", "xx\\fyy", "xx\r" + LS + "\\\t\r\t"
+ + LS + "yy",
+ "xx\\r" + LS + "\\\t\\r\t\\nyy",
+ "xx\r" + LS + "\\\\\\\\\\\\\\\\\\\\\\\\\\\t\r\t" + LS + "yy",
+ "C:\\Program Files\\Some Application\\OpenJPA\\My File.dat", }));
+
+ // also store every individual character
+ for (char c = 'a'; c < 'Z'; c++) {
+ valueList.add(new String(new char[]{ c }));
+ valueList.add(new String(new char[]{ c, '\\', c }));
+ valueList.add(new String(new char[]{ '\\', c }));
+ }
+
+ String[] values = (String[]) valueList.toArray(new String[0]);
+
+ final String dummy = "XXX";
+
+ for (int i = 0; i < values.length; i++) {
+ // test special characters in either keys or values
+ String val = value ? values[i] : dummy;
+ String key = value ? dummy : values[i];
+
+ Properties p = formattingProps ?
+ new FormatPreservingProperties() : new Properties();
+ if (p instanceof FormatPreservingProperties) {
+ // set these properties so we behave the same way as
+ // java.util.Properties
+ ((FormatPreservingProperties) p).setDefaultEntryDelimiter('=');
+ ((FormatPreservingProperties) p).
+ setAddWhitespaceAfterDelimiter(false);
+ }
+
+ p.setProperty(key, val);
+ ByteArrayOutputStream out = new ByteArrayOutputStream();
+ p.store(out, null);
+
+ Properties copy = new Properties();
+ copy.setProperty(key, val);
+ ByteArrayOutputStream copyOut = new ByteArrayOutputStream();
+ copy.store(copyOut, null);
+
+ p = formattingProps ?
+ new FormatPreservingProperties() : new Properties();
+
+ InputStream in = new BufferedInputStream
+ (new ByteArrayInputStream(out.toByteArray()));
+
+ try {
+ // make sure that the 2 properties serialized are the same
+ String copyOutString = stripComments(copyOut.toByteArray());
+ String outString = stripComments(out.toByteArray());
+ assertEquals(copyOutString, outString);
+
+ p.load(in);
+
+ assertNotNull("Property \"" + key + "\" was null",
+ p.getProperty(key));
+ assertEquals(val.trim(), p.getProperty(key).trim());
+ } catch (Throwable ioe) {
+ if (!formattingProps)
+ throw ioe;
+
+ // bug(1211, ioe,
+ // "Cannot store backslash in FormatPreservingProperties");
+ throw ioe;
+ }
+ }
+ }
+
+ static Character randomChar() {
+ char [] TEST_CHAR_ARRAY = new char []{
+ 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
+ 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r',
+ 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '1',
+ '2', '3', '4', '5', '6', '7', '8', '9' };
+
+ return new Character(TEST_CHAR_ARRAY[
+ (int) (Math.random() * TEST_CHAR_ARRAY.length)]);
+ }
+
+ static String randomString(int len) {
+ StringBuffer buf = new StringBuffer();
+ for (int i = 0; i < (int) (Math.random() * len) + 1; i++)
+ buf.append(randomChar());
+ return buf.toString();
+ }
+
+ public void testEquivalentStore() throws IOException {
+ Properties p1 = new Properties();
+ FormatPreservingProperties p2 = new FormatPreservingProperties();
+
+ ((FormatPreservingProperties) p2).setDefaultEntryDelimiter('=');
+ ((FormatPreservingProperties) p2).setAddWhitespaceAfterDelimiter(false);
+
+ String[] values =
+ new String[] {
+ "x",
+ "x" + LS + "y",
+ "x\\ny",
+ "x\ty",
+ "x\\ty",
+ "x\fy",
+ "x\\fy",
+ "x\ry",
+ "x\\ry",
+ "C:\\Foo Bar\\Baz",
+ randomString(5).replace('a', '\\'),
+ randomString(500).replace('a', '\\'),
+ randomString(5000).replace('a', '\\'),
+ };
+
+ for (int i = 0; i < values.length; i++) {
+ p1.clear();
+ p2.clear();
+
+ p1.setProperty("xxx", values[i]);
+ p2.setProperty("xxx", values[i]);
+
+ ByteArrayOutputStream out1 = new ByteArrayOutputStream();
+ ByteArrayOutputStream out2 = new ByteArrayOutputStream();
+
+ p1.store(out1, null);
+ p2.store(out2, null);
+
+ String s1 = new String(out1.toByteArray());
+ String s2 = new String(out2.toByteArray());
+
+ assertTrue("Expected <" + s1 + "> but was <" + s2 + ">",
+ s1.indexOf(s2) != -1);
+ }
+ }
+
+ static String stripComments(byte[] bytes) throws IOException {
+ BufferedReader reader = new BufferedReader(new InputStreamReader
+ (new ByteArrayInputStream(bytes)));
+ StringBuffer sbuf = new StringBuffer();
+ String line;
+ while ((line = reader.readLine()) != null) {
+ // skip comments
+ if (line.trim().startsWith("#"))
+ continue;
+
+ sbuf.append(line);
+ sbuf.append(LS);
+ }
+
+ return sbuf.toString();
+ }
+
+ public void testDuplicateProperties() throws IOException {
+ FormatPreservingProperties p = new FormatPreservingProperties();
+ try {
+ toProperties("foo=bar" + LS + "foo=baz", p);
+ fail("expected duplicate keys to cause exception");
+ } catch (DuplicateKeyException e) {
+ // expected
+ }
+
+ // now test the expected behavior when duplicates are allowed.
+ p = new FormatPreservingProperties();
+ p.setAllowDuplicates(true);
+ toProperties("foo=bar" + LS + "foo=baz", p);
+ assertProperties(new String[][]{ { "foo", "baz" } }, p);
+ }
+
+ public void testMultipleLoads() throws IOException {
+ String props = "foo=bar" + LS + "baz=quux";
+ String props2 = "a=b" + LS + "c=d";
+ Properties vanilla = new Properties();
+ vanilla.load(new BufferedInputStream
+ (new StringBufferInputStream(props)));
+ vanilla.load(new BufferedInputStream
+ (new StringBufferInputStream(props2)));
+
+ Properties p = new FormatPreservingProperties();
+ p.load(new BufferedInputStream(new StringBufferInputStream(props)));
+ p.load(new BufferedInputStream(new StringBufferInputStream(props2)));
+ assertPropertiesSame(vanilla, p);
+ }
+
+ protected FormatPreservingProperties toProperties(String s)
+ throws IOException {
+ return toProperties(s, new FormatPreservingProperties());
+ }
+
+ protected FormatPreservingProperties toProperties(String s,
+ FormatPreservingProperties p) throws IOException {
+ Properties vanilla = new Properties();
+ vanilla.load(new StringBufferInputStream(s));
+
+ p.load(new StringBufferInputStream(s));
+ assertRoundTrip(s, p);
+
+ assertPropertiesSame(vanilla, p);
+
+ return p;
+ }
+
+ private void assertRoundTrip(String s, Properties p) throws IOException {
+ ByteArrayOutputStream out = new ByteArrayOutputStream();
+ p.store(out, null);
+ assertEquals(s, out.toString());
+
+ // also check serializable
+ ByteArrayOutputStream bout = new ByteArrayOutputStream();
+ new ObjectOutputStream(bout).writeObject(p);
+
+ try {
+ FormatPreservingProperties deserialized =
+ (FormatPreservingProperties) new ObjectInputStream
+ (new ByteArrayInputStream(bout.toByteArray())).
+ readObject();
+ assertEquals(p, deserialized);
+
+ out = new ByteArrayOutputStream();
+ deserialized.store(out, null);
+ assertEquals(s, out.toString());
+ } catch (ClassNotFoundException cnfe) {
+ fail(cnfe + "");
+ }
+ }
+
+ public static void assertEquals(String expected, String actual) {
+ if (expected == actual)
+ return;
+
+ if (expected == null || !expected.equals(actual))
+ fail("Expected <" + expected + "> but was <" + actual + ">");
+ }
+
+ private void assertPropertiesSame(Properties vanilla, Properties p) {
+ assertEquals(vanilla, p);
+ }
+
+ protected void assertProperties(String[][] strings, Properties p) {
+ for (int i = 0; i < strings.length; i++)
+ assertEquals(strings[i][1], p.get(strings[i][0]));
+
+ assertEquals(strings.length, p.size());
+ }
+}