Test AudioBufferSourceNode looping without explicit duration On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS The output of actual and expected loops is identical to the array [0,0.125,0.25,0.375,0.5,0.625,0.75,0.875,0,0.125,0.25,0.375,0.5,0.625,0.75,0.875...]. PASS The content of the left and right channel is identical to the array [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0...]. PASS successfullyParsed is true TEST COMPLETE