@angular/core
Version:
Angular - the core framework
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JavaScript
/**
* @fileoverview added by tsickle
* Generated from: packages/core/testing/src/fake_async.ts
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import { discardPeriodicTasksFallback, fakeAsyncFallback, flushFallback, flushMicrotasksFallback, resetFakeAsyncZoneFallback, tickFallback } from './fake_async_fallback';
/** @type {?} */
const _Zone = typeof Zone !== 'undefined' ? Zone : null;
/** @type {?} */
const fakeAsyncTestModule = _Zone && _Zone[_Zone.__symbol__('fakeAsyncTest')];
/**
* Clears out the shared fake async zone for a test.
* To be called in a global `beforeEach`.
*
* \@publicApi
* @return {?}
*/
export function resetFakeAsyncZone() {
if (fakeAsyncTestModule) {
return fakeAsyncTestModule.resetFakeAsyncZone();
}
else {
return resetFakeAsyncZoneFallback();
}
}
/**
* Wraps a function to be executed in the fakeAsync zone:
* - microtasks are manually executed by calling `flushMicrotasks()`,
* - timers are synchronous, `tick()` simulates the asynchronous passage of time.
*
* If there are any pending timers at the end of the function, an exception will be thrown.
*
* Can be used to wrap inject() calls.
*
* \@usageNotes
* ### Example
*
* {\@example core/testing/ts/fake_async.ts region='basic'}
*
* \@publicApi
* @param {?} fn
* @return {?} The function wrapped to be executed in the fakeAsync zone
*
*/
export function fakeAsync(fn) {
if (fakeAsyncTestModule) {
return fakeAsyncTestModule.fakeAsync(fn);
}
else {
return fakeAsyncFallback(fn);
}
}
/**
* Simulates the asynchronous passage of time for the timers in the fakeAsync zone.
*
* The microtasks queue is drained at the very start of this function and after any timer callback
* has been executed.
*
* \@usageNotes
* ### Example
*
* {\@example core/testing/ts/fake_async.ts region='basic'}
*
* \@publicApi
* @param {?=} millis
* @param {?=} tickOptions
* @return {?}
*/
export function tick(millis = 0, tickOptions = {
processNewMacroTasksSynchronously: true
}) {
if (fakeAsyncTestModule) {
return fakeAsyncTestModule.tick(millis, tickOptions);
}
else {
return tickFallback(millis, tickOptions);
}
}
/**
* Simulates the asynchronous passage of time for the timers in the fakeAsync zone by
* draining the macrotask queue until it is empty. The returned value is the milliseconds
* of time that would have been elapsed.
*
* \@publicApi
* @param {?=} maxTurns
* @return {?} The simulated time elapsed, in millis.
*
*/
export function flush(maxTurns) {
if (fakeAsyncTestModule) {
return fakeAsyncTestModule.flush(maxTurns);
}
else {
return flushFallback(maxTurns);
}
}
/**
* Discard all remaining periodic tasks.
*
* \@publicApi
* @return {?}
*/
export function discardPeriodicTasks() {
if (fakeAsyncTestModule) {
return fakeAsyncTestModule.discardPeriodicTasks();
}
else {
discardPeriodicTasksFallback();
}
}
/**
* Flush any pending microtasks.
*
* \@publicApi
* @return {?}
*/
export function flushMicrotasks() {
if (fakeAsyncTestModule) {
return fakeAsyncTestModule.flushMicrotasks();
}
else {
return flushMicrotasksFallback();
}
}
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All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nimport {discardPeriodicTasksFallback, fakeAsyncFallback, flushFallback, flushMicrotasksFallback, resetFakeAsyncZoneFallback, tickFallback} from './fake_async_fallback';\n\nconst _Zone: any = typeof Zone !== 'undefined' ? Zone : null;\nconst fakeAsyncTestModule = _Zone && _Zone[_Zone.__symbol__('fakeAsyncTest')];\n\n/**\n * Clears out the shared fake async zone for a test.\n * To be called in a global `beforeEach`.\n *\n * @publicApi\n */\nexport function resetFakeAsyncZone(): void {\n  if (fakeAsyncTestModule) {\n    return fakeAsyncTestModule.resetFakeAsyncZone();\n  } else {\n    return resetFakeAsyncZoneFallback();\n  }\n}\n\n/**\n * Wraps a function to be executed in the fakeAsync zone:\n * - microtasks are manually executed by calling `flushMicrotasks()`,\n * - timers are synchronous, `tick()` simulates the asynchronous passage of time.\n *\n * If there are any pending timers at the end of the function, an exception will be thrown.\n *\n * Can be used to wrap inject() calls.\n *\n * @usageNotes\n * ### Example\n *\n * {@example core/testing/ts/fake_async.ts region='basic'}\n *\n * @param fn\n * @returns The function wrapped to be executed in the fakeAsync zone\n *\n * @publicApi\n */\nexport function fakeAsync(fn: Function): (...args: any[]) => any {\n  if (fakeAsyncTestModule) {\n    return fakeAsyncTestModule.fakeAsync(fn);\n  } else {\n    return fakeAsyncFallback(fn);\n  }\n}\n\n/**\n * Simulates the asynchronous passage of time for the timers in the fakeAsync zone.\n *\n * The microtasks queue is drained at the very start of this function and after any timer callback\n * has been executed.\n *\n * @usageNotes\n * ### Example\n *\n * {@example core/testing/ts/fake_async.ts region='basic'}\n *\n * @param millis, the number of millisecond to advance the virtual timer\n * @param tickOptions, the options of tick with a flag called\n * processNewMacroTasksSynchronously, whether to invoke the new macroTasks, by default is\n * false, means the new macroTasks will be invoked\n *\n * For example,\n *\n * it ('test with nested setTimeout', fakeAsync(() => {\n *   let nestedTimeoutInvoked = false;\n *   function funcWithNestedTimeout() {\n *     setTimeout(() => {\n *       nestedTimeoutInvoked = true;\n *     });\n *   };\n *   setTimeout(funcWithNestedTimeout);\n *   tick();\n *   expect(nestedTimeoutInvoked).toBe(true);\n * }));\n *\n * in this case, we have a nested timeout (new macroTask), when we tick, both the\n * funcWithNestedTimeout and the nested timeout both will be invoked.\n *\n * it ('test with nested setTimeout', fakeAsync(() => {\n *   let nestedTimeoutInvoked = false;\n *   function funcWithNestedTimeout() {\n *     setTimeout(() => {\n *       nestedTimeoutInvoked = true;\n *     });\n *   };\n *   setTimeout(funcWithNestedTimeout);\n *   tick(0, {processNewMacroTasksSynchronously: false});\n *   expect(nestedTimeoutInvoked).toBe(false);\n * }));\n *\n * if we pass the tickOptions with processNewMacroTasksSynchronously to be false, the nested timeout\n * will not be invoked.\n *\n *\n * @publicApi\n */\nexport function tick(\n    millis: number = 0, tickOptions: {processNewMacroTasksSynchronously: boolean} = {\n      processNewMacroTasksSynchronously: true\n    }): void {\n  if (fakeAsyncTestModule) {\n    return fakeAsyncTestModule.tick(millis, tickOptions);\n  } else {\n    return tickFallback(millis, tickOptions);\n  }\n}\n\n/**\n * Simulates the asynchronous passage of time for the timers in the fakeAsync zone by\n * draining the macrotask queue until it is empty. The returned value is the milliseconds\n * of time that would have been elapsed.\n *\n * @param maxTurns\n * @returns The simulated time elapsed, in millis.\n *\n * @publicApi\n */\nexport function flush(maxTurns?: number): number {\n  if (fakeAsyncTestModule) {\n    return fakeAsyncTestModule.flush(maxTurns);\n  } else {\n    return flushFallback(maxTurns);\n  }\n}\n\n/**\n * Discard all remaining periodic tasks.\n *\n * @publicApi\n */\nexport function discardPeriodicTasks(): void {\n  if (fakeAsyncTestModule) {\n    return fakeAsyncTestModule.discardPeriodicTasks();\n  } else {\n    discardPeriodicTasksFallback();\n  }\n}\n\n/**\n * Flush any pending microtasks.\n *\n * @publicApi\n */\nexport function flushMicrotasks(): void {\n  if (fakeAsyncTestModule) {\n    return fakeAsyncTestModule.flushMicrotasks();\n  } else {\n    return flushMicrotasksFallback();\n  }\n}\n"]}