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Test Info:

// META: script=resources/user-timing-helper.js
async_test(function (t) {
let mark_entries = [];
const expected_entries =
[{ entryType: "mark", name: "mark1", detail: null},
{ entryType: "mark", name: "mark2", detail: null},
{ entryType: "mark", name: "mark3", detail: null},
{ entryType: "mark", name: "mark4", detail: null},
{ entryType: "mark", name: "mark5", detail: null},
{ entryType: "mark", name: "mark6", detail: {}},
{ entryType: "mark", name: "mark7", detail: {info: 'abc'}},
{ entryType: "mark", name: "mark8", detail: null, startTime: 234.56},
{ entryType: "mark", name: "mark9", detail: {count: 3}, startTime: 345.67}];
const observer = new PerformanceObserver(
t.step_func(function (entryList, obs) {
mark_entries =
mark_entries.concat(entryList.getEntries());
if (mark_entries.length >= expected_entries.length) {
checkEntries(mark_entries, expected_entries);
observer.disconnect();
t.done();
}
})
);
self.performance.clearMarks();
observer.observe({entryTypes: ["mark"]});
const returned_entries = [];
returned_entries.push(self.performance.mark("mark1"));
returned_entries.push(self.performance.mark("mark2", undefined));
returned_entries.push(self.performance.mark("mark3", null));
returned_entries.push(self.performance.mark("mark4", {}));
returned_entries.push(self.performance.mark("mark5", {detail: null}));
returned_entries.push(self.performance.mark("mark6", {detail: {}}));
returned_entries.push(self.performance.mark("mark7", {detail: {info: 'abc'}}));
returned_entries.push(self.performance.mark("mark8", {startTime: 234.56}));
returned_entries.push(self.performance.mark("mark9", {detail: {count: 3}, startTime: 345.67}));
checkEntries(returned_entries, expected_entries);
}, "mark entries' detail and startTime are customizable.");