This test passes if it does not crash. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS context = new OfflineAudioContext(1, 2**29, 44000) did not throw exception. PASS context.sampleRate is 44000 PASS new OscillatorNode(context) did not throw exception. PASS successfullyParsed is true TEST COMPLETE