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'use strict';
// These tests rely on the User Agent providing an implementation of
// platform compute pressure backends.
//
// In Chromium-based browsers this implementation is provided by a polyfill
// in order to reduce the amount of test-only code shipped to users. To enable
// these tests the browser must be run with these options:
//
// --enable-blink-features=MojoJS,MojoJSTest
let mockPressureService = undefined;
function pressure_test(func, name, properties) {
promise_test(async t => {
if (mockPressureService === undefined) {
if (isChromiumBased) {
const mocks =
await import('/resources/chromium/mock-pressure-service.js');
mockPressureService = mocks.mockPressureService;
}
}
assert_implements(
mockPressureService,
'missing mockPressureService after initialization');
mockPressureService.start();
t.add_cleanup(() => {
mockPressureService.reset();
return mockPressureService.stop();
});
return func(t, mockPressureService);
}, name, properties);
}