mozilla-central/testing/web-platform/tests/user-timing/clearMarks.html

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>functionality test of window.performance.clearMarks</title>
<link rel="author" title="Intel" href="http://www.intel.com/" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/performance-timeline-utils.js"></script>
<script src="resources/webperftestharness.js"></script>
<script src="resources/webperftestharnessextension.js"></script>
<script>
setup({ explicit_done: true });
function onload_test()
{
const entrylist_checker = new performance_entrylist_checker('mark');
const string_mark_names = mark_names.map(function (x) { return String(x)});
mark_names.forEach(function(name) {
performance.mark(name);
});
for (let i = 0; i < mark_names.length; ++i)
{
performance.clearMarks(mark_names[i]);
const retained_entries = performance.getEntriesByType('mark');
const non_retained_entries = performance.getEntriesByName(mark_names[i], 'mark');
entrylist_checker.entrylist_check(retained_entries, mark_names.length - i - 1, string_mark_names,
'First loop: checking entries after removing "' + mark_names[i] + '". ');
test_equals(non_retained_entries.length, 0,
'First loop: marks that we cleared for "' + mark_names[i] + '" should not exist anymore.');
}
mark_names.forEach(function(name) {
performance.mark(name);
});
performance.clearMarks();
test_equals(performance.getEntriesByType('mark').length, 0, 'No marks should exist after we clear all.');
// Following cases test clear existed mark name that is tied for two times.
mark_names.forEach(function(name) {
performance.mark(name);
});
mark_names.forEach(function(name) {
performance.mark(name);
});
for (let i = 0; i < mark_names.length; ++i)
{
performance.clearMarks(mark_names[i]);
const retained_entries = performance.getEntriesByType('mark');
const non_retained_entries = performance.getEntriesByName(mark_names[i], 'mark');
entrylist_checker.entrylist_check(retained_entries, (mark_names.length - i - 1) * 2, string_mark_names,
'Second loop: checking entries after removing "' + mark_names[i] + '". ');
test_equals(non_retained_entries.length, 0,
'Second loop: marks that we cleared for "' + mark_names[i] + '" should not exist anymore.');
}
// Following cases test clear functionality when mark names are tied for two times.
mark_names.forEach(function(name) {
performance.mark(name);
});
mark_names.forEach(function(name) {
performance.mark(name);
});
var entry_number_before_useless_clear = performance.getEntriesByType('Mark').length;
performance.clearMarks('NonExist');
var entry_number_after_useless_clear = performance.getEntriesByType('Mark').length;
test_equals(entry_number_before_useless_clear, entry_number_after_useless_clear, 'Nothing should happen if we clear a non-exist mark.');
performance.clearMarks();
test_equals(performance.getEntriesByType('mark').length, 0, 'No marks should exist when we clear all.');
done();
}
</script>
</head>
<body onload=onload_test()>
<h1>Description</h1>
<p>This test validates functionality of the interface window.performance.clearMarks.</p>
<div id="log"></div>
</body>
</html>