Layout Test media/media-source/media-source-paint-to-canvas.html is flaky 
https://bugs.webkit.org/show_bug.cgi?id=173565
Summary Layout Test media/media-source/media-source-paint-to-canvas.html is flaky
Matt Lewis
Reported 2017-06-19 14:28:21 PDT
media/media-source/media-source-paint-to-canvas.html is a flaky failure on macOS El Capitan Release according to the Flakiness Dashboard. https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=media%2Fmedia-source%2Fmedia-source-paint-to-canvas.html The first failure was on 6/13/2017 https://build.webkit.org/builders/Apple%20El%20Capitan%20Release%20WK1%20(Tests)/builds/2496 First failure: https://build.webkit.org/results/Apple%20El%20Capitan%20Release%20WK1%20(Tests)/r218231%20(2496)/results.html https://build.webkit.org/builders/Apple%20El%20Capitan%20Release%20WK1%20(Tests)/builds/2496 current failure: https://build.webkit.org/results/Apple%20El%20Capitan%20Release%20WK2%20(Tests)/r218503%20(2470)/results.html https://build.webkit.org/builders/Apple%20El%20Capitan%20Release%20WK2%20(Tests)/builds/2470 The original diff and current Diff are similar but differ slightly Original Diff: --- /Volumes/Data/slave/elcapitan-release-tests-wk1/build/layout-test-results/media/media-source/media-source-paint-to-canvas-expected.txt +++ /Volumes/Data/slave/elcapitan-release-tests-wk1/build/layout-test-results/media/media-source/media-source-paint-to-canvas-actual.txt @@ -3,7 +3,7 @@ EVENT(canplay) RUN(video.currentTime += 1.001 / 24) EVENT(seeked) -EXPECTED (canvas.getContext("2d").getImageData(250, 130, 1, 1).data[0] != '0') OK +EXPECTED (canvas.getContext("2d").getImageData(250, 130, 1, 1).data[0] != '0'), OBSERVED '0' FAIL RUN(video.currentTime += 1.001 / 24) EVENT(seeked) EXPECTED (canvas.getContext("2d").getImageData(250, 130, 1, 1).data[0] != '0') OK Current Diff: --- /Volumes/Data/slave/elcapitan-release-tests-wk2/build/layout-test-results/media/media-source/media-source-paint-to-canvas-expected.txt +++ /Volumes/Data/slave/elcapitan-release-tests-wk2/build/layout-test-results/media/media-source/media-source-paint-to-canvas-actual.txt @@ -3,12 +3,12 @@ EVENT(canplay) RUN(video.currentTime += 1.001 / 24) EVENT(seeked) -EXPECTED (canvas.getContext("2d").getImageData(250, 130, 1, 1).data[0] != '0') OK +EXPECTED (canvas.getContext("2d").getImageData(250, 130, 1, 1).data[0] != '0'), OBSERVED '0' FAIL RUN(video.currentTime += 1.001 / 24) EVENT(seeked) -EXPECTED (canvas.getContext("2d").getImageData(250, 130, 1, 1).data[0] != '0') OK +EXPECTED (canvas.getContext("2d").getImageData(250, 130, 1, 1).data[0] != '0'), OBSERVED '0' FAIL RUN(video.currentTime += 1.001 / 24) EVENT(seeked) -EXPECTED (canvas.getContext("2d").getImageData(250, 130, 1, 1).data[0] != '0') OK +EXPECTED (canvas.getContext("2d").getImageData(250, 130, 1, 1).data[0] != '0'), OBSERVED '0' FAIL END OF TEST
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Matt Lewis
Comment 1 2017-06-26 17:26:58 PDT
Marked test as flaky on El Capitan Release: https://trac.webkit.org/changeset/218825/webkit
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