<!
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/" />
<
link rel=
"help" href=
"http://www.w3.org/TR/user-timing/#extensions-performance-interface"/>
<
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>
