@Test public void testCreateQuotedConstantNumber() throws Exception { assertEquals("-123", StringUtils.createQuotedConstant("-123")); }
@Test public void testCreateQuotedConstant() throws Exception { assertEquals("\" abc \"", StringUtils.createQuotedConstant(" abc ")); }
@Test public void testCreateQuotedConstantNull() throws Exception { assertNull(StringUtils.createQuotedConstant(null)); }