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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/webappapis/timers/settimeout-setinterval-handles.html - WPT Dashboard Interop Dashboard
<!doctype html>
<title>Handles returned by setTimeout and setInterval</title>
<link rel="author" title="Alvaro Dias" href="mailto:alvarorahul@gmail.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
"use strict";
test(() => {
const a = setTimeout(noop);
const b = setInterval(noop);
clearTimeout(a);
clearInterval(b);
assert_true(typeof a === "number");
assert_true(typeof b === "number");
assert_true(a > 0);
assert_true(b > 0);
function noop() {
// no-op
}
}, "setTimeout and setInterval should return numeric handles integer that is greater than zero");
test(t => {
const handles = [];
t.add_cleanup(() => handles.forEach(clearTimeout));
for (const schedule of [setTimeout, setInterval, setTimeout, setInterval]) {
const handle = schedule(t.unreached_func("Cleared timer must not fire"), 0);
assert_true(Number.isInteger(handle));
assert_greater_than(handle, 0);
assert_false(handles.includes(handle), "Active timer handles must be distinct");
handles.push(handle);
}
}, "Timeouts and intervals share a set of unique active handles");
</script>