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335 lines
15 KiB
HTML
335 lines
15 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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<title>window.performance User Timing measure() method is working properly</title>
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<link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
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<link rel="help" href="http://www.w3.org/TR/user-timing/#dom-performance-measure"/>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="resources/webperftestharness.js"></script>
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<script type="text/javascript">
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// test data
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var startMarkName = "mark_start";
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var startMarkValue;
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var endMarkName = "mark_end";
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var endMarkValue;
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var measures;
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var testThreshold = 20;
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// test measures
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var measureTestDelay = 200;
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var TEST_MEASURES =
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[
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{
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name: "measure_no_start_no_end",
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startMark: undefined,
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endMark: undefined,
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startTime: undefined,
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duration: undefined,
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entryType: "measure",
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entryMatch: undefined,
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order: undefined,
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found: false
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},
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{
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name: "measure_start_no_end",
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startMark: "mark_start",
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endMark: undefined,
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startTime: undefined,
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duration: undefined,
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entryType: "measure",
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entryMatch: undefined,
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order: undefined,
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found: false
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},
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{
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name: "measure_start_end",
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startMark: "mark_start",
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endMark: "mark_end",
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startTime: undefined,
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duration: undefined,
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entryType: "measure",
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entryMatch: undefined,
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order: undefined,
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found: false
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},
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{
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name: "measure_no_start_no_end",
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startMark: undefined,
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endMark: undefined,
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startTime: undefined,
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duration: undefined,
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entryType: "measure",
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entryMatch: undefined,
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order: undefined,
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found: false
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}
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];
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setup({explicit_done: true});
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test_namespace();
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function onload_test()
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{
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// test for existance of User Timing and Performance Timeline interface
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if (window.performance.mark == undefined ||
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window.performance.clearMarks == undefined ||
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window.performance.measure == undefined ||
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window.performance.clearMeasures == undefined ||
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window.performance.getEntriesByName == undefined ||
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window.performance.getEntriesByType == undefined ||
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window.performance.getEntries == undefined)
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{
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test_true(false,
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"The User Timing and Performance Timeline interfaces, which are required for this test, " +
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"are defined.");
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done();
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}
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else
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{
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// create the start mark for the test measures
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window.performance.mark(startMarkName);
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// get the start mark's value
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startMarkValue = window.performance.getEntriesByName(startMarkName)[0].startTime;
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// create the test end mark using the test delay; this will allow for a significant difference between
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// the mark values that should be represented in the duration of measures using these marks
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setTimeout(measure_test_cb, measureTestDelay);
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}
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}
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function measure_test_cb()
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{
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// create the end mark for the test measures
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window.performance.mark(endMarkName);
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// get the end mark's value
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endMarkValue = window.performance.getEntriesByName(endMarkName)[0].startTime;
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// loop through all measure scenarios and create the corresponding measures
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for (var i in TEST_MEASURES)
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{
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var scenario = TEST_MEASURES[i];
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if (scenario.startMark == undefined && scenario.endMark == undefined)
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{
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// both startMark and endMark are undefined, don't provide either parameters
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window.performance.measure(scenario.name);
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// when startMark isn't provided to the measure() call, a DOMHighResTimeStamp corresponding
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// to the navigationStart attribute with a timebase of the same attribute is used; this is
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// equivalent to 0
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scenario.startTime = 0;
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// when endMark isn't provided to the measure() call, a DOMHighResTimeStamp corresponding to
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// the current time with a timebase of the navigationStart attribute is used
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scenario.duration = (new Date()) - window.performance.timing.navigationStart;
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}
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else if (scenario.startMark != undefined && scenario.endMark == undefined)
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{
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// only startMark is defined, provide startMark and don't provide endMark
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window.performance.measure(scenario.name, scenario.startMark);
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// when startMark is provided to the measure() call, the value of the mark whose name is
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// provided is used for the startMark
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scenario.startTime = startMarkValue;
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// when endMark isn't provided to the measure() call, a DOMHighResTimeStamp corresponding to
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// the current time with a timebase of the navigationStart attribute is used
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scenario.duration = ((new Date()) - window.performance.timing.navigationStart) -
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startMarkValue;
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}
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else if (scenario.startMark != undefined && scenario.endMark != undefined)
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{
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// both startMark and endMark are defined, provide both parameters
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window.performance.measure(scenario.name, scenario.startMark, scenario.endMark);
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// when startMark is provided to the measure() call, the value of the mark whose name is
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// provided is used for the startMark
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scenario.startTime = startMarkValue;
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// when endMark is provided to the measure() call, the value of the mark whose name is
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// provided is used for the startMark
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scenario.duration = endMarkValue - startMarkValue;
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}
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}
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// test that expected measures are returned by getEntriesByName
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for (var i in TEST_MEASURES)
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{
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entries = window.performance.getEntriesByName(TEST_MEASURES[i].name);
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// for all test measures, the test will be validate the test measure against the first entry returned
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// by getEntriesByName(), except for the last measure, where since it is a duplicate measure, the test
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// will validate it against the second entry returned by getEntriesByName()
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test_measure(entries[(i == 3 ? 1 : 0)],
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"window.performance.getEntriesByName(\"" + TEST_MEASURES[i].name + "\")[" +
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(i == 3 ? 1 : 0) + "]",
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TEST_MEASURES[i].name,
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TEST_MEASURES[i].startTime,
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TEST_MEASURES[i].duration);
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TEST_MEASURES[i].entryMatch = entries[(i == 3 ? 1 : 0)];
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}
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// test that expected measures are returned by getEntriesByName with the entryType parameter provided
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for (var i in TEST_MEASURES)
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{
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entries = window.performance.getEntriesByName(TEST_MEASURES[i].name, "measure");
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test_true(match_entries(entries[(i == 3 ? 1 : 0)], TEST_MEASURES[i].entryMatch),
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"window.performance.getEntriesByName(\"" + TEST_MEASURES[i].name + "\", \"measure\")[" +
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(i == 3 ? 1 : 0) + "] returns an object containing the \"" + TEST_MEASURES[i].name +
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"\" measure in the correct order, and its value matches the \"" + TEST_MEASURES[i].name +
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"\" measure returned by window.performance.getEntriesByName(\"" + TEST_MEASURES[i].name +
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"\")");
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}
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// test that expected measures are returned by getEntries
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entries = get_test_entries(window.performance.getEntries(), "measure");
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test_measure_list(entries, "window.performance.getEntries()", TEST_MEASURES);
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// test that expected measures are returned by getEntriesByType
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entries = window.performance.getEntriesByType("measure");
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test_measure_list(entries, "window.performance.getEntriesByType(\"measure\")", TEST_MEASURES);
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done();
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}
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function match_entries(entry1, entry2, threshold)
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{
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if (threshold == undefined)
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{
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threshold = 0;
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}
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var pass = true;
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// match name
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pass = pass && (entry1.name == entry2.name);
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// match startTime
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pass = pass && (Math.abs(entry1.startTime - entry2.startTime) <= testThreshold);
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// match entryType
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pass = pass && (entry1.entryType == entry2.entryType);
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// match duration
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pass = pass && (Math.abs(entry1.duration - entry2.duration) <= testThreshold);
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return pass;
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}
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function test_measure(measureEntry, measureEntryCommand, expectedName, expectedStartTime, expectedDuration)
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{
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// test name
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test_true(measureEntry.name == expectedName, measureEntryCommand + ".name == \"" + expectedName + "\"");
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// test startTime; since for a mark, the startTime is always equal to a mark's value or the value of a
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// navigation timing attribute, the actual startTime should match the expected value exactly
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test_true(Math.abs(measureEntry.startTime - expectedStartTime) == 0,
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measureEntryCommand + ".startTime == " + expectedStartTime);
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// test entryType
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test_true(measureEntry.entryType == "measure", measureEntryCommand + ".entryType == \"measure\"");
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// test duration, allow for an acceptable threshold in the difference between the actual duration and the
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// expected value for the duration
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test_true(Math.abs(measureEntry.duration - expectedDuration) <= testThreshold, measureEntryCommand +
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".duration ~== " + expectedDuration + " (up to " + testThreshold + "ms difference allowed)");
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}
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function test_measure_list(measureEntryList, measureEntryListCommand, measureScenarios)
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{
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// give all entries a "found" property that can be set to ensure it isn't tested twice
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for (var i in measureEntryList)
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{
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measureEntryList[i].found = false;
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}
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for (var i in measureScenarios)
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{
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measureScenarios[i].found = false;
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for (var j in measureEntryList)
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{
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if (match_entries(measureEntryList[j], measureScenarios[i]) && !measureEntryList[j].found)
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{
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test_true(match_entries(measureEntryList[j], measureScenarios[i].entryMatch),
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measureEntryListCommand + " returns an object containing the \"" +
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measureScenarios[i].name + "\" measure, and it's value matches the measure " +
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"returned by window.performance.getEntriesByName(\"" + measureScenarios[i].name +
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"\")[" + (i == 3 ? 1 : 0) + "].");
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measureEntryList[j].found = true;
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measureScenarios[i].found = true;
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break;
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}
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}
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if (!measureScenarios[i].found)
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{
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test_true(false,
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measureEntryListCommand + " returns an object containing the \"" +
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measureScenarios[i].name + "\" measure.");
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}
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}
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// verify order of output of getEntriesByType
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var startTimeCurr = 0;
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var pass = true;
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for (var i in measureEntryList)
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{
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if (measureEntryList[i].startTime < startTimeCurr)
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{
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pass = false;
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}
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startTimeCurr = measureEntryList[i].startTime;
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}
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test_true(pass,
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measureEntryListCommand + " returns an object containing all test " +
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"measures in order.");
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}
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function get_test_entries(entryList, entryType)
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{
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var testEntries = new Array();
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// filter entryList
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for (var i in entryList)
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{
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if (entryList[i].entryType == entryType)
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{
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testEntries.push(entryList[i]);
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}
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}
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return testEntries;
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}
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</script>
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</head>
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<body onload="onload_test();">
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<h1>Description</h1>
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<p>This test validates that the performance.measure() method is working properly. This test creates the
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following measures to test this method:
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<ul>
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<li>"measure_no_start_no_end": created using a measure() call without a startMark or endMark
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provided</li>
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<li>"measure_start_no_end": created using a measure() call with only the startMark provided</li>
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<li>"measure_start_end": created using a measure() call with both a startMark or endMark provided</li>
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<li>"measure_no_start_no_end": duplicate of the first measure, used to confirm names can be re-used</li>
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</ul>
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After creating each measure, the existence of these measures is validated by calling
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performance.getEntriesByName() (both with and without the entryType parameter provided),
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performance.getEntriesByType(), and performance.getEntries()
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</p>
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<div id="log"></div>
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</body>
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</html>
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