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Fixed 2nd javadoc bug mentioned in #LANG-277 and added more unit tests to match the javadoc examples

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/lang/trunk@438574 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Henri Yandell 2006-08-30 18:22:12 +00:00
parent d829770690
commit 462a89b82e
2 changed files with 39 additions and 2 deletions
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2
src/java/org/apache/commons/lang/StringUtils.java
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@ -2233,7 +2233,7 @@ public static String[] splitPreserveAllTokens(String str) {
* StringUtils.splitPreserveAllTokens("a\tb\nc", null) = ["a", "b", "c"]
* StringUtils.splitPreserveAllTokens("a b c", ' ') = ["a", "b", "c"]
* StringUtils.splitPreserveAllTokens("a b c ", ' ') = ["a", "b", "c", ""]
* StringUtils.splitPreserveAllTokens("a b c ", ' ') = ["a", "b", "c", "", ""]
* StringUtils.splitPreserveAllTokens("a b c ", ' ') = ["a", "b", "c", "", ""]
* StringUtils.splitPreserveAllTokens(" a b c", ' ') = ["", a", "b", "c"]
* StringUtils.splitPreserveAllTokens(" a b c", ' ') = ["", "", a", "b", "c"]
* StringUtils.splitPreserveAllTokens(" a b c ", ' ') = ["", a", "b", "c", ""]

39
src/test/org/apache/commons/lang/StringUtilsTest.java
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@ -449,8 +449,28 @@ public void testSplitPreserveAllTokens_String() {
assertEquals(null, StringUtils.splitPreserveAllTokens(null));
assertEquals(0, StringUtils.splitPreserveAllTokens("").length);
String str = "a b .c";
String str = "abc def";
String[] res = StringUtils.splitPreserveAllTokens(str);
assertEquals(2, res.length);
assertEquals("abc", res[0]);
assertEquals("def", res[1]);
str = "abc def";
res = StringUtils.splitPreserveAllTokens(str);
assertEquals(3, res.length);
assertEquals("abc", res[0]);
assertEquals("", res[1]);
assertEquals("def", res[2]);
str = " abc ";
res = StringUtils.splitPreserveAllTokens(str);
assertEquals(3, res.length);
assertEquals("", res[0]);
assertEquals("abc", res[1]);
assertEquals("", res[2]);
str = "a b .c";
res = StringUtils.splitPreserveAllTokens(str);
assertEquals(3, res.length);
assertEquals("a", res[0]);
assertEquals("b", res[1]);
@ -582,6 +602,23 @@ public void testSplitPreserveAllTokens_StringChar() {
assertEquals("b", res[3]);
assertEquals("c", res[4]);
str = "a b c ";
res = StringUtils.splitPreserveAllTokens(str,' ');
assertEquals(4, res.length);
assertEquals("a", res[0]);
assertEquals("b", res[1]);
assertEquals("c", res[2]);
assertEquals("", res[3]);
str = "a b c ";
res = StringUtils.splitPreserveAllTokens(str,' ');
assertEquals(5, res.length);
assertEquals("a", res[0]);
assertEquals("b", res[1]);
assertEquals("c", res[2]);
assertEquals("", res[3]);
assertEquals("", res[3]);
// Match example in javadoc
{
String[] results = null;