@Test public void testTrim() { Assert.assertEquals( StringUtil.trimToEmpty( " foo " ), "foo" ); Assert.assertEquals( StringUtil.trimToEmpty( "\n foo \t" ), "foo" ); for ( int i = 0; i <= 32; i++ ) { Assert.assertEquals( StringUtil.trimToEmpty( (char) i + "foo" ), "foo" ); } Assert.assertEquals( StringUtil.trimToEmpty( "" ), "" ); Assert.assertEquals( StringUtil.trimToEmpty( null ), "" ); }