function
Simulates the asynchronous passage of time for the timers in the fakeAsync zone.
tick(millis: number = 0, tickOptions: { processNewMacroTasksSynchronously: boolean; } = {
processNewMacroTasksSynchronously: true
}): void millis | number | Optional. Default is |
tickOptions | object | Optional. Default is |
void
The microtasks queue is drained at the very start of this function and after any timer callback has been executed.
Further information available in the Usage Notes...
describe('this test', () => {
it('looks async but is synchronous', <any>fakeAsync((): void => {
let flag = false;
setTimeout(() => {
flag = true;
}, 100);
expect(flag).toBe(false);
tick(50);
expect(flag).toBe(false);
tick(50);
expect(flag).toBe(true);
}));
});
© 2010–2021 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
https://v11.angular.io/api/core/testing/tick