@Test
public void testEscape() {

	assertEquals("Hello\\\\nWorld!", StringUtil.escape("Hello\\nWorld!"));
	assertEquals("Hello\\nWorld!", StringUtil.escape("Hello\nWorld!"));
	assertEquals("\\r\tHello\\nWorld!", StringUtil.escape("\r\tHello\nWorld!"));
	assertEquals("Hello\\\\\\nWorld!", StringUtil.escape("Hello\\\nWorld!"));
	assertEquals("Hello\tWorld", StringUtil.escape("Hello\tWorld"));
	assertEquals("Hello\\\\World!", StringUtil.escape("Hello\\World!"));
}