This test makes sure we don't crash when mutating a typed array while assigning to it On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS buffer.byteLength is 100 PASS buffer.byteLength is 0 PASS byteArray.set(array) threw exception TypeError: Underlying ArrayBuffer has been detached from the view. PASS successfullyParsed is true TEST COMPLETE