Adding containsWhitespace method per LANG-625. Code comes from the Spring framework, so I've added such to the NOTICE file. License is Apache License 2.0. Unit test is original.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@956775 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 10 insertions, 0 deletions

diff --git a/src/test/java/org/apache/commons/lang3/StringUtilsEqualsIndexOfTest.java b/src/test/java/org/apache/commons/lang3/StringUtilsEqualsIndexOfTest.java
index 84f5cbaa0..a65749869 100644
--- a/src/test/java/org/apache/commons/lang3/StringUtilsEqualsIndexOfTest.java
+++ b/src/test/java/org/apache/commons/lang3/StringUtilsEqualsIndexOfTest.java
@@ -431,6 +431,16 @@ public class StringUtilsEqualsIndexOfTest extends TestCase {
         assertEquals(true, StringUtils.containsOnly(str3, chars3));
     }
 
+    public void testContainsWhitespace() {
+        assertFalse( StringUtils.containsWhitespace("") );
+        assertTrue( StringUtils.containsWhitespace(" ") );
+        assertFalse( StringUtils.containsWhitespace("a") );
+        assertTrue( StringUtils.containsWhitespace("a ") );
+        assertTrue( StringUtils.containsWhitespace(" a") );
+        assertTrue( StringUtils.containsWhitespace("a\t") );
+        assertTrue( StringUtils.containsWhitespace("\n") );
+    }
+
     public void testEquals() {
         assertEquals(true, StringUtils.equals(null, null));
         assertEquals(true, StringUtils.equals(FOO, FOO));