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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /console/console-timing-logging.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<title>Console Timing Methods - Automated Test</title>
<meta name="assert" content="Console timing methods emit observable log entries via WebDriver BiDi log.entryAdded">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js?feature=bidi"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/console/helper.js"></script>
<script>
function escapeRegExp(s) {
return s.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
}
function hasStringArg(entry, expected) {
if (!Array.isArray(entry.args))
return false;
return entry.args.some(arg =>
arg && arg.type === "string" && arg.value === expected
);
}
function isTimingLine(message) {
return message.startsWith("default:") ||
message.startsWith("custom toString():") ||
message.startsWith("a label:");
}
function assertLabelledDuration(message, label) {
const re = new RegExp("^" + escapeRegExp(label) + ":\\s*\\S");
assert_true(
re.test(message),
`Expected a "${label}: <duration>"-shaped message, got: "${message}"`
);
}
promise_test(async (t) => {
const unsubscribe = await test_driver.bidi.log.entry_added.subscribe({contexts: [window]});
t.add_cleanup(async () => await unsubscribe());
const expected = [
{label: "default", extra: false}, // timeLog()
{label: "default", extra: false}, // timeEnd()
{label: "default", extra: false}, // timeLog(undefined)
{label: "default", extra: true }, // timeLog(undefined, "extra data")
{label: "default", extra: false}, // timeEnd(undefined)
{label: "default", extra: false}, // timeLog("default")
{label: "default", extra: true },
{label: "default", extra: false}, // timeEnd("default")
{label: "default", extra: false}, // timeLog({toString:"default"})
{label: "default", extra: true },
{label: "default", extra: false}, // timeEnd({toString:"default"})
{label: "custom toString()", extra: false},
{label: "custom toString()", extra: true },
{label: "custom toString()", extra: false},
{label: "a label", extra: false},
{label: "a label", extra: true },
{label: "a label", extra: false},
];
const entriesPromise = waitForConsoleEntries(t, {
count: expected.length,
accept: (entry) =>
typeof entry.text === "string" && isTimingLine(entry.text),
});
console.time();
console.timeLog();
console.timeEnd();
console.time(undefined);
console.timeLog(undefined);
console.timeLog(undefined, "extra data");
console.timeEnd(undefined);
console.time("default");
console.timeLog("default");
console.timeLog("default", "extra data");
console.timeEnd("default");
console.time({toString() {return "default"}});
console.timeLog({toString() {return "default"}});
console.timeLog({toString() {return "default"}}, "extra data");
console.timeEnd({toString() {return "default"}});
console.time({toString() {return "custom toString()"}});
console.timeLog({toString() {return "custom toString()"}});
console.timeLog({toString() {return "custom toString()"}}, "extra data");
console.timeEnd({toString() {return "custom toString()"}});
console.time("a label");
console.timeLog("a label");
console.timeLog("a label", "extra data");
console.timeEnd("a label");
const entries = await entriesPromise;
assert_equals(entries.length, expected.length);
for (let i = 0; i < expected.length; i++) {
const exp = expected[i];
const entry = entries[i];
const msg = entry.text;
assert_true(msg !== null, `Entry ${i} should have a message`);
assertLabelledDuration(msg, exp.label);
if (exp.extra) {
assert_true(
msg.includes("extra data") || hasStringArg(entry, "extra data"),
`Entry ${i} should include extra data; got: "${msg}"`
);
}
}
}, "Console timing methods produce observable timing log entries");
</script>