clearMarks.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /user-timing/clearMarks.html - WPT Dashboard Interop Dashboard

<!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>