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44 lines
1.4 KiB
HTML
44 lines
1.4 KiB
HTML
<!DOCTYPE HTML>
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<meta charset=utf-8>
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<title>PerformanceObservers: disconnect</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="performanceobservers.js"></script>
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<h1>PerformanceObservers: disconnect</h1>
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<div id="log"></div>
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<script>
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async_test(function (t) {
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var observer = new PerformanceObserver(
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t.step_func(function (entryList, obs) {
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assert_unreached("This callback must not be invoked");
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})
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);
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observer.observe({entryTypes: ["mark", "measure", "navigation"]});
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observer.disconnect();
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performance.mark("mark1");
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performance.measure("measure1");
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t.step_timeout(function () {
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t.done();
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}, 2000);
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}, "disconnected callbacks must not be invoked");
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test(function () {
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var obs = new PerformanceObserver(function () { return true; });
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obs.disconnect();
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obs.disconnect();
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}, "disconnecting an unconnected observer is a no-op");
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async_test(function (t) {
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var observer = new PerformanceObserver(
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t.step_func(function(entryList, obs) {
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checkEntries(entryList.getEntries(),
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[{ entryType: "mark", name: "mark1"}]);
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t.done();
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})
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);
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observer.observe({entryTypes: ["mark"]});
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performance.mark("mark1");
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observer.disconnect();
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performance.mark("mark2");
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}, "An observer disconnected after a mark must receive the mark");
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</script>
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