[basic.html]
  type: testharness
  [<img srcset="/images/green-256x256.png 1.6x" data-expect="160">]
    expected: FAIL

  [<img srcset="/images/green-256x256.png 2x" data-expect="128">]
    expected: FAIL

  [<img srcset="/images/green-256x256.png 10000x" data-expect="0">]
    expected: FAIL

  [<img srcset="/images/green-256x256.png 9e99999999999999999999999x" data-expect="0">]
    expected: FAIL

  [<img srcset="/images/green-256x256.png 512w" sizes="256px" data-expect="128">]
    expected: FAIL

  [<img srcset="/images/green-256x256.png 256w" sizes="512px" data-expect="512">]
    expected: FAIL

  [<img srcset="/images/green-256x256.png 256w" sizes="1px" data-expect="1">]
    expected: FAIL

  [<img srcset="/images/green-256x256.png 256w" sizes="0px" data-expect="0">]
    expected: FAIL

