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Update web-platform-tests to revision ac4274136e9a034628a3a469890c8e37babbc902

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WPT Sync Bot 2018-12-14 20:35:55 -05:00
parent c9229f3f99
commit b0862d9cc1
68 changed files with 2064 additions and 135 deletions
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36
tests/wpt/web-platform-tests/user-timing/mark-measure-feature-detection.html Normal file
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<!DOCTYPE HTML>
<meta charset=utf-8>
<title>User Timing: L2 vs L3 feature detection</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
test(() => {
// Feature detection for PerformanceMark.
assert_equals(typeof(PerformanceMark.prototype), "object");
// Test for UserTiming L3.
if (PerformanceMark.prototype.hasOwnProperty('detail')) {
assert_equals(typeof(performance.mark("mark")), "object",
"performance.mark should return an object in UserTiming L3.");
}
// Test for UserTiming L2.
else {
assert_equals(typeof(performance.mark("mark")), "undefined",
"performance.mark should be void in UserTiming L2.");
}
}, "Test PerformanceMark existence and feature detection");
test(() => {
// Feature detection for PerformanceMeasure.
assert_equals(typeof(PerformanceMeasure.prototype), "object");
// Test for UserTiming L3.
if (PerformanceMeasure.prototype.hasOwnProperty('detail')) {
assert_equals(typeof(performance.measure("measure")), "object",
"performance.measure should return an object in UserTiming L3.");
}
// Test for UserTiming L2.
else {
assert_equals(typeof(performance.measure("measure")), "undefined",
"performance.measure should be void in UserTiming L2.");
}
}, "Test PerformanceMeasure existence and feature detection");
</script>