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import {
unstable_runWithPriority,
unstable_NormalPriority,
unstable_LowPriority,
unstable_IdlePriority,
unstable_UserBlockingPriority,
unstable_ImmediatePriority,
unstable_now
} from 'preact/compat/scheduler';
describe('scheduler', () => {
describe('runWithPriority', () => {
it('should call callback ', () => {
const spy = sinon.spy();
unstable_runWithPriority(unstable_IdlePriority, spy);
expect(spy.callCount).to.equal(1);
unstable_runWithPriority(unstable_LowPriority, spy);
expect(spy.callCount).to.equal(2);
unstable_runWithPriority(unstable_NormalPriority, spy);
expect(spy.callCount).to.equal(3);
unstable_runWithPriority(unstable_UserBlockingPriority, spy);
expect(spy.callCount).to.equal(4);
unstable_runWithPriority(unstable_ImmediatePriority, spy);
expect(spy.callCount).to.equal(5);
});
});
describe('unstable_now', () => {
it('should return number', () => {
const res = unstable_now();
expect(res).is.a('number');
expect(res > 0).to.equal(true);
});
});
});
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