public void testHasStartToken() throws Exception {
assertEquals(false, StringHelper.hasStartToken(null, null));
assertEquals(false, StringHelper.hasStartToken(null, "simple"));
assertEquals(false, StringHelper.hasStartToken("", null));
assertEquals(false, StringHelper.hasStartToken("", "simple"));
assertEquals(false, StringHelper.hasStartToken("Hello World", null));
assertEquals(false, StringHelper.hasStartToken("Hello World", "simple"));
assertEquals(false, StringHelper.hasStartToken("${body}", null));
assertEquals(true, StringHelper.hasStartToken("${body}", "simple"));
assertEquals(true, StringHelper.hasStartToken("$simple{body}", "simple"));
assertEquals(false, StringHelper.hasStartToken("${body}", null));
assertEquals(false, StringHelper.hasStartToken("${body}", "foo"));
// $foo{ is valid because its foo language
assertEquals(true, StringHelper.hasStartToken("$foo{body}", "foo"));
}
