зеркало из https://github.com/mozilla/gecko-dev.git
64 строки
2.5 KiB
JavaScript
64 строки
2.5 KiB
JavaScript
// META: script=performanceobservers.js
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test(function () {
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const obs = new PerformanceObserver(() => {});
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assert_throws_js(TypeError, function () {
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obs.observe({entryTypes: "mark"});
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});
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}, "entryTypes must be a sequence or throw a TypeError");
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test(function () {
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const obs = new PerformanceObserver(() => {});
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obs.observe({entryTypes: []});
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}, "Empty sequence entryTypes does not throw an exception.");
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test(function () {
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const obs = new PerformanceObserver(() => {});
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obs.observe({entryTypes: ["this-cannot-match-an-entryType"]});
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obs.observe({entryTypes: ["marks","navigate", "resources"]});
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}, "Unknown entryTypes do not throw an exception.");
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test(function () {
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const obs = new PerformanceObserver(() => {});
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obs.observe({entryTypes: ["mark","this-cannot-match-an-entryType"]});
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obs.observe({entryTypes: ["this-cannot-match-an-entryType","mark"]});
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obs.observe({entryTypes: ["mark"], others: true});
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}, "Filter unsupported entryType entryType names within the entryTypes sequence");
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async_test(function (t) {
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var finish = t.step_func(function () { t.done(); });
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var observer = new PerformanceObserver(
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function (entryList, obs) {
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var self = this;
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t.step(function () {
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assert_true(entryList instanceof PerformanceObserverEntryList, "first callback parameter must be a PerformanceObserverEntryList instance");
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assert_true(obs instanceof PerformanceObserver, "second callback parameter must be a PerformanceObserver instance");
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assert_equals(observer, self, "observer is the this value");
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assert_equals(observer, obs, "observer is second parameter");
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assert_equals(self, obs, "this and second parameter are the same");
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observer.disconnect();
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finish();
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});
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}
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);
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self.performance.clearMarks();
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observer.observe({entryTypes: ["mark"]});
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self.performance.mark("mark1");
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}, "Check observer callback parameter and this values");
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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: "measure", name: "measure1"}]);
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observer.disconnect();
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t.done();
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})
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);
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self.performance.clearMarks();
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observer.observe({entryTypes: ["mark"]});
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observer.observe({entryTypes: ["measure"]});
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self.performance.mark("mark1");
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self.performance.measure("measure1");
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}, "replace observer if already present");
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