51 lines
1.2 KiB
HTML
51 lines
1.2 KiB
HTML
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<!DOCTYPE HTML>
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<html>
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<head>
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<script src="../resources/js-test-pre.js"></script>
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</head>
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<body>
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<script>
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description("Ensure PerformanceObserver callback fires for all observed entries between observe/disconnect calls.");
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window.jsTestIsAsync = true;
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let shouldEnd = false;
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let observer = new PerformanceObserver((list) => {
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debug("PerformanceObserver callback fired: " + list.getEntries().length + " entries");
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for (let mark of list.getEntries()) {
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if (mark.name === "mark5" || mark.name === "mark6")
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testFailed("Should not have observed " + mark.name);
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else
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testPassed(mark.name);
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}
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if (shouldEnd)
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finishJSTest();
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});
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observer.observe({entryTypes: ["mark"]});
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// ---
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performance.mark("mark1");
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setTimeout(() => {
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performance.mark("mark2");
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performance.mark("mark3");
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}, 50);
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setTimeout(() => {
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performance.mark("mark4");
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observer.disconnect();
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performance.mark("mark5"); // NOT seen.
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}, 100);
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setTimeout(() => {
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performance.mark("mark6"); // NOT seen.
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observer.observe({entryTypes: ["mark"]});
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performance.mark("mark7");
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shouldEnd = true;
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}, 150);
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</script>
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<script src="../resources/js-test-post.js"></script>
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</body>
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</html>
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