public void testTrimToNull() { assertEquals(FOO, StringUtils.trimToNull(FOO + " ")); assertEquals(FOO, StringUtils.trimToNull(" " + FOO + " ")); assertEquals(FOO, StringUtils.trimToNull(" " + FOO)); assertEquals(FOO, StringUtils.trimToNull(FOO + "")); assertEquals(null, StringUtils.trimToNull(" \t\r\n\b ")); assertEquals(null, StringUtils.trimToNull(StringUtilsTest.TRIMMABLE)); assertEquals( StringUtilsTest.NON_TRIMMABLE, StringUtils.trimToNull(StringUtilsTest.NON_TRIMMABLE)); assertEquals(null, StringUtils.trimToNull("")); assertEquals(null, StringUtils.trimToNull(null)); }
public void testTrimToNull() { assertNull(StringUtils.trimToNull(null)); assertNull(StringUtils.trimToNull("")); assertNull(StringUtils.trimToNull(" ")); assertNull(StringUtils.trimToNull(" ")); assertNotNull(StringUtils.trimToNull("aa")); assertNotNull(StringUtils.trimToNull(" aa ")); }