1<!DOCTYPE html>
2<html>
3<head>
4<meta charset="utf-8" />
5<title>functionality test of window.performance.clearMarks</title>
6<link rel="author" title="Intel" href="http://www.intel.com/" />
7<link rel="help" href="http://www.w3.org/TR/user-timing/#extensions-performance-interface"/>
8<script src="/resources/testharness.js"></script>
9<script src="/resources/testharnessreport.js"></script>
10<script src="/common/performance-timeline-utils.js"></script>
11<script src="resources/webperftestharness.js"></script>
12<script src="resources/webperftestharnessextension.js"></script>
13<script>
14setup({ explicit_done: true });
15
16function onload_test()
17{
18    const entrylist_checker = new performance_entrylist_checker('mark');
19    const string_mark_names = mark_names.map(function (x) { return String(x)});
20    mark_names.forEach(function(name) {
21        performance.mark(name);
22    });
23
24    for (let i = 0; i < mark_names.length; ++i)
25    {
26        performance.clearMarks(mark_names[i]);
27        const retained_entries = performance.getEntriesByType('mark');
28        const non_retained_entries = performance.getEntriesByName(mark_names[i], 'mark');
29        entrylist_checker.entrylist_check(retained_entries, mark_names.length - i - 1, string_mark_names,
30            'First loop: checking entries after removing "' + mark_names[i] + '". ');
31        test_equals(non_retained_entries.length, 0,
32            'First loop: marks that we cleared for "' + mark_names[i] + '" should not exist anymore.');
33    }
34
35    mark_names.forEach(function(name) {
36        performance.mark(name);
37    });
38    performance.clearMarks();
39    test_equals(performance.getEntriesByType('mark').length, 0, 'No marks should exist after we clear all.');
40
41    // Following cases test clear existed mark name that is tied for two times.
42    mark_names.forEach(function(name) {
43        performance.mark(name);
44    });
45    mark_names.forEach(function(name) {
46        performance.mark(name);
47    });
48
49    for (let i = 0; i < mark_names.length; ++i)
50    {
51        performance.clearMarks(mark_names[i]);
52        const retained_entries = performance.getEntriesByType('mark');
53        const non_retained_entries = performance.getEntriesByName(mark_names[i], 'mark');
54        entrylist_checker.entrylist_check(retained_entries, (mark_names.length - i - 1) * 2, string_mark_names,
55            'Second loop: checking entries after removing "' + mark_names[i] + '". ');
56        test_equals(non_retained_entries.length, 0,
57            'Second loop: marks that we cleared for "' + mark_names[i] + '" should not exist anymore.');
58    }
59
60    // Following cases test clear functionality when mark names are tied for two times.
61    mark_names.forEach(function(name) {
62        performance.mark(name);
63    });
64    mark_names.forEach(function(name) {
65        performance.mark(name);
66    });
67    var entry_number_before_useless_clear = performance.getEntriesByType('Mark').length;
68    performance.clearMarks('NonExist');
69    var entry_number_after_useless_clear = performance.getEntriesByType('Mark').length;
70    test_equals(entry_number_before_useless_clear, entry_number_after_useless_clear, 'Nothing should happen if we clear a non-exist mark.');
71
72    performance.clearMarks();
73    test_equals(performance.getEntriesByType('mark').length, 0, 'No marks should exist when we clear all.');
74
75    done();
76}
77</script>
78</head>
79<body onload=onload_test()>
80    <h1>Description</h1>
81    <p>This test validates functionality of the interface window.performance.clearMarks.</p>
82    <div id="log"></div>
83</body>
84</html>
85