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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /long-animation-frame/tentative/performance-bind.html - WPT Dashboard Interop Dashboard
<!DOCTYPE HTML>
<meta charset=utf-8>
<title>performance.bind()</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>
<div id="log"></div>
<script>
test_loaf_script(t => {
const wrapped = performance.bind(function internal_func() {
busy_wait();
});
t.step_timeout(() => wrapped());
}, "internal_func", "user-entry-point", "A user-defined entry point should appear in the list of scripts");
test_loaf_script(t => {
const wrapped = performance.bind(function internal_func(arg) {
assert_equals(arg, 123);
assert_equals(this, globalThis);
busy_wait();
});
t.step_timeout(() => wrapped(123));
}, "internal_func", "user-entry-point", "A user-defined entry point should forward args");
test_loaf_script(t => {
const wrapped = performance.bind(function internal_func(arg) {
assert_equals(arg, 123);
assert_equals(this, t);
busy_wait();
}, t);
t.step_timeout(() => wrapped(123));
}, "internal_func", "user-entry-point", "A user-defined entry point should bind thisArg");
test_loaf_script(t => {
const wrapped = performance.bind(function internal_func(arg1, arg2) {
assert_equals(arg1, "bound");
assert_equals(arg2, 123);
assert_equals(this, t);
busy_wait();
}, t, "bound");
t.step_timeout(() => wrapped(123));
}, "internal_func", "user-entry-point", "A user-defined entry point should bind additional args");
</script>
</body>