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<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Long Animation Frame Timing: source location extraction</title>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/utils.js"></script>
<body>
<h1>Long Animation Frame: source location extraction</h1>
<div id="log"></div>
<script>
promise_test(async t => {
const [entry, script] = await expect_long_frame_with_script(() => {
requestAnimationFrame(function non_bound_function() {
busy_wait();
});
}, script => script.name === "FrameRequestCallback", t);
assert_true(script.sourceLocation?.startsWith("non_bound_function"));
}, "Source location should be extracted from non-bound functions");
promise_test(async t => {
const [entry, script] = await expect_long_frame_with_script(() => {
const object = {};
requestAnimationFrame((function my_bound_function() {
busy_wait();
}).bind(object));
}, script => script.name === "FrameRequestCallback", t);
assert_true(script.sourceLocation?.startsWith("my_bound_function"));
}, "Source location should be extracted from bound functions");
promise_test(async t => {
const [entry, script] = await expect_long_frame_with_script(() => {
t.step_timeout(function my_timeout() {
busy_wait();
});
}, script => script.name === "TimerHandler:setTimeout" && script.sourceLocation, t );
assert_true(script.sourceLocation.includes("testharness.js"));
}, "Source location should be extracted for setTimeout");
</script>
</body>
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