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// META: script=/resources/test-only-api.js
// META: script=resources/pressure-helpers.js
// META: global=window,dedicatedworker,sharedworker
'use strict';
pressure_test(async (t, mockPressureService) => {
await new Promise(resolve => {
const observer = new PressureObserver(resolve);
t.add_cleanup(() => observer.disconnect());
observer.observe('cpu', {sampleInterval: 0});
mockPressureService.setPressureUpdate('cpu', 'critical');
mockPressureService.startPlatformCollector(/*sampleInterval=*/ 200);
});
}, 'PressureObserver observe method doesnt throw error for sampleInterval value 0');
promise_test(async t => {
const observer =
new PressureObserver(t.unreached_func('oops should not end up here'));
t.add_cleanup(() => observer.disconnect());
await promise_rejects_js(
t, TypeError, observer.observe('cpu', {sampleInterval: -2}));
}, 'PressureObserver observe method requires a positive sampleInterval');
promise_test(async t => {
const observer =
new PressureObserver(t.unreached_func('oops should not end up here'));
t.add_cleanup(() => observer.disconnect());
await promise_rejects_js(
t, TypeError, observer.observe('cpu', {sampleInterval: 2 ** 32}));
}, 'PressureObserver observe method requires a sampleInterval in unsigned long range');
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