[GitHub] [commons-lang] garydgregory commented on a change in pull request #784: [LANG-1593] Common behavior for StringUtils join APIs when called with char or String delimiter

[GitBox <gi...@apache.org>]

garydgregory commented on a change in pull request #784:
URL: https://github.com/apache/commons-lang/pull/784#discussion_r699367138



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File path: src/test/java/org/apache/commons/lang3/StringUtilsTest.java
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@@ -1226,6 +1241,8 @@ public void testJoin_ArrayOfShorts() {
         assertNull(StringUtils.join((short[]) null, SEPARATOR_CHAR, 0, 1));
         assertEquals(StringUtils.EMPTY, StringUtils.join(SHORT_PRIM_LIST, SEPARATOR_CHAR, 0, 0));
         assertEquals(StringUtils.EMPTY, StringUtils.join(SHORT_PRIM_LIST, SEPARATOR_CHAR, 1, 0));
+        assertEquals("1,2", StringUtils.join(SHORT_PRIM_LIST, SEPARATOR));

Review comment:
       @HubertWo 
   The point of String vs char separators is that a String can be longer than one character, so you should test for String separators longer than one character to make sure the right work takes place under the covers.
   




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