This test checks String.localeCompare(). On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS "a".localeCompare("aa") < 0 is true PASS "a".localeCompare("b") < 0 is true PASS "a".localeCompare("a") === 0 is true PASS "ạ̈".localeCompare("ạ̈") === 0 is true PASS "aa".localeCompare("a") > 0 is true PASS "b".localeCompare("a") > 0 is true PASS successfullyParsed is true TEST COMPLETE