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data-ice="title">spec-js/operators/sampleTime-spec.js</h1> <pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">"use strict"; var Rx = require('../../dist/cjs/Rx'); var Observable = Rx.Observable; /** @test {sampleTime} */ describe('Observable.prototype.sampleTime', function () { asDiagram('sampleTime(70)')('should get samples on a delay', function () { var e1 = hot('a---b-c---------d--e---f-g-h--|'); var e1subs = '^ !'; var expected = '-------c-------------e------h-|'; // timer -------!------!------!------!-- expectObservable(e1.sampleTime(70, rxTestScheduler)).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it('should sample nothing if new value has not arrived', function () { var e1 = hot('----a-^--b----c--------------f----|'); var e1subs = '^ !'; var expected = '-----------c----------------|'; // timer -----------!----------!--------- expectObservable(e1.sampleTime(110, rxTestScheduler)).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it('should sample if new value has arrived, even if it is the same value', function () { var e1 = hot('----a-^--b----c----------c---f----|'); var e1subs = '^ !'; var expected = '-----------c----------c-----|'; // timer -----------!----------!--------- expectObservable(e1.sampleTime(110, rxTestScheduler)).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it('should sample nothing if source has not nexted by time of sample', function () { var e1 = hot('----a-^-------------b-------------|'); var e1subs = '^ !'; var expected = '----------------------b-----|'; // timer -----------!----------!--------- expectObservable(e1.sampleTime(110, rxTestScheduler)).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it('should raise error if source raises error', function () { var e1 = hot('----a-^--b----c----d----#'); var e1subs = '^ !'; var expected = '-----------c------#'; // timer -----------!----------!--------- expectObservable(e1.sampleTime(110, rxTestScheduler)).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it('should allow unsubscribing explicitly and early', function () { var e1 = hot('----a-^--b----c----d----e----f----|'); var unsub = ' ! '; var e1subs = '^ ! '; var expected = '-----------c----- '; // timer -----------!----------!--------- expectObservable(e1.sampleTime(110, rxTestScheduler), unsub).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it('should not break unsubscription chains when result is unsubscribed explicitly', function () { var e1 = hot('----a-^--b----c----d----e----f----|'); var e1subs = '^ ! '; // timer -----------!----------!--------- var expected = '-----------c----- '; var unsub = ' ! '; var result = e1 .mergeMap(function (x) { return Observable.of(x); }) .sampleTime(110, rxTestScheduler) .mergeMap(function (x) { return Observable.of(x); }); expectObservable(result, unsub).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it('should completes if source does not emits', function () { var e1 = cold('|'); var e1subs = '(^!)'; var expected = '|'; expectObservable(e1.sampleTime(60, rxTestScheduler)).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it('should raise error if source throws immediately', function () { var e1 = cold('#'); var e1subs = '(^!)'; var expected = '#'; expectObservable(e1.sampleTime(60, rxTestScheduler)).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it('should not completes if source does not complete', function () { var e1 = cold('-'); var e1subs = '^'; var expected = '-'; expectObservable(e1.sampleTime(60, rxTestScheduler)).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); }); //# sourceMappingURL=sampleTime-spec.js.map</code></pre> </div> <footer class="footer"> Generated by <a href="https://esdoc.org">ESDoc<span data-ice="esdocVersion">(0.4.8)</span></a> </footer> <script src="script/search_index.js"></script> <script src="script/search.js"></script> <script src="script/pretty-print.js"></script> <script src="script/inherited-summary.js"></script> <script src="script/test-summary.js"></script> <script src="script/inner-link.js"></script> <script src="script/patch-for-local.js"></script> </body> </html>