| Index: LayoutTests/fast/performance/performance-observer.html
|
| diff --git a/LayoutTests/fast/performance/performance-observer.html b/LayoutTests/fast/performance/performance-observer.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..a0380fffc29c96b698c2c5e35a1ebdacf16f522a
|
| --- /dev/null
|
| +++ b/LayoutTests/fast/performance/performance-observer.html
|
| @@ -0,0 +1,45 @@
|
| +<!DOCTYPE html>
|
| +<script src="../../resources/js-test.js"></script>
|
| +<script>
|
| +
|
| +description("This tests that PerformanceObserver gets called the right number of times.");
|
| +
|
| +window.jsTestIsAsync = true;
|
| +
|
| +var entries = [];
|
| +
|
| +var expectedEntries = [
|
| + {entryType:'mark', name:'mark_1'},
|
| + {entryType:'mark', name:'mark_2'},
|
| + {entryType:'measure', name:'measure_1'}
|
| +];
|
| +
|
| +var observer = new PerformanceObserver(performanceCallback);
|
| +
|
| +function performanceCallback(performanceEntryList)
|
| +{
|
| + entries = entries.concat(performanceEntryList.getEntries());
|
| + if (entries.length != expectedEntries.length)
|
| + return;
|
| + shouldBe('entries[0].entryType', 'expectedEntries[0].entryType');
|
| + shouldBe('entries[0].name', 'expectedEntries[0].name');
|
| + shouldBe('entries[1].entryType', 'expectedEntries[1].entryType');
|
| + shouldBe('entries[1].name', 'expectedEntries[1].name');
|
| + shouldBe('entries[2].entryType', 'expectedEntries[2].entryType');
|
| + shouldBe('entries[2].name', 'expectedEntries[2].name');
|
| + finishJSTest();
|
| +}
|
| +
|
| +function performMeasure()
|
| +{
|
| + window.performance.measure('measure_1', 'mark_1', 'mark_2');
|
| +}
|
| +
|
| +var config = { entryTypes: ['mark', 'measure'] };
|
| +observer.observe(config);
|
| +
|
| +window.performance.mark('mark_1');
|
| +window.performance.mark('mark_2');
|
| +
|
| +window.setTimeout(performMeasure, 0);
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 1198863006:
First version of PerformanceObserver (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master