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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <base data-ice="baseUrl" href="../../../"> <title data-ice="title">spec-js/operators/timestamp-spec.js | RxJS API Document</title> <link type="text/css" rel="stylesheet" href="css/style.css"> <link type="text/css" rel="stylesheet" href="css/prettify-tomorrow.css"> <script src="script/prettify/prettify.js"></script> <script src="script/manual.js"></script> <script data-ice="userScript" src="user/script/0-Rx.js"></script> <script data-ice="userScript" src="user/script/1-devtools-welcome.js"></script> <script data-ice="userScript" src="user/script/2-custom-manual-styles.js"></script> <script data-ice="userScript" src="user/script/3-decision-tree-widget.min.js"></script> <script data-ice="userScript" src="user/script/4-theme-toggler.js"></script> <link data-ice="userStyle" rel="stylesheet" href="user/css/0-main.css"> </head> <body class="layout-container" data-ice="rootContainer"> <header> <a href="./">Home</a> <a 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data-ice="title">spec-js/operators/timestamp-spec.js</h1> <pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">&quot;use strict&quot;; var Rx = require(&apos;../../dist/cjs/Rx&apos;); var Observable = Rx.Observable; /** @test {timestamp} */ describe(&apos;Observable.prototype.timestamp&apos;, function () { asDiagram(&apos;timestamp&apos;)(&apos;should record the time stamp per each source elements&apos;, function () { var e1 = hot(&apos;-b-c-----d--e--|&apos;); var e1subs = &apos;^ !&apos;; var expected = &apos;-w-x-----y--z--|&apos;; var expectedValue = { w: 10, x: 30, y: 90, z: 120 }; var result = e1.timestamp(rxTestScheduler) .map(function (x) { return x.timestamp; }); expectObservable(result).toBe(expected, expectedValue); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it(&apos;should record stamp if source emit elements&apos;, function () { var e1 = hot(&apos;--a--^b--c----d---e--|&apos;); var e1subs = &apos;^ !&apos;; var expected = &apos;-w--x----y---z--|&apos;; var expectedValue = { w: new Rx.Timestamp(&apos;b&apos;, 10), x: new Rx.Timestamp(&apos;c&apos;, 40), y: new Rx.Timestamp(&apos;d&apos;, 90), z: new Rx.Timestamp(&apos;e&apos;, 130) }; expectObservable(e1.timestamp(rxTestScheduler)).toBe(expected, expectedValue); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it(&apos;should completes without record stamp if source does not emits&apos;, function () { var e1 = hot(&apos;---------|&apos;); var e1subs = &apos;^ !&apos;; var expected = &apos;---------|&apos;; expectObservable(e1.timestamp(rxTestScheduler)).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it(&apos;should complete immediately if source is empty&apos;, function () { var e1 = cold(&apos;|&apos;); var e1subs = &apos;(^!)&apos;; var expected = &apos;|&apos;; expectObservable(e1.timestamp(rxTestScheduler)).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it(&apos;should record stamp then does not completes if source emits but not completes&apos;, function () { var e1 = hot(&apos;-a--b--&apos;); var e1subs = &apos;^ &apos;; var expected = &apos;-y--z--&apos;; var expectedValue = { y: new Rx.Timestamp(&apos;a&apos;, 10), z: new Rx.Timestamp(&apos;b&apos;, 40) }; expectObservable(e1.timestamp(rxTestScheduler)).toBe(expected, expectedValue); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it(&apos;should allow unsubscribing explicitly and early&apos;, function () { var e1 = hot(&apos;-a--b-----c---d---|&apos;); var unsub = &apos; ! &apos;; var e1subs = &apos;^ ! &apos;; var expected = &apos;-y--z--- &apos;; var expectedValue = { y: new Rx.Timestamp(&apos;a&apos;, 10), z: new Rx.Timestamp(&apos;b&apos;, 40) }; var result = e1.timestamp(rxTestScheduler); expectObservable(result, unsub).toBe(expected, expectedValue); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it(&apos;should not break unsubscription chains when result is unsubscribed explicitly&apos;, function () { var e1 = hot(&apos;-a--b-----c---d---|&apos;); var e1subs = &apos;^ ! &apos;; var expected = &apos;-y--z--- &apos;; var unsub = &apos; ! &apos;; var expectedValue = { y: new Rx.Timestamp(&apos;a&apos;, 10), z: new Rx.Timestamp(&apos;b&apos;, 40) }; var result = e1 .mergeMap(function (x) { return Observable.of(x); }) .timestamp(rxTestScheduler) .mergeMap(function (x) { return Observable.of(x); }); expectObservable(result, unsub).toBe(expected, expectedValue); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it(&apos;should not completes if source never completes&apos;, function () { var e1 = cold(&apos;-&apos;); var e1subs = &apos;^&apos;; var expected = &apos;-&apos;; expectObservable(e1.timestamp(rxTestScheduler)).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it(&apos;raise error if source raises error&apos;, function () { var e1 = hot(&apos;---#&apos;); var e1subs = &apos;^ !&apos;; var expected = &apos;---#&apos;; expectObservable(e1.timestamp(rxTestScheduler)).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it(&apos;should record stamp then raise error if source raises error after emit&apos;, function () { var e1 = hot(&apos;-a--b--#&apos;); var e1subs = &apos;^ !&apos;; var expected = &apos;-y--z--#&apos;; var expectedValue = { y: new Rx.Timestamp(&apos;a&apos;, 10), z: new Rx.Timestamp(&apos;b&apos;, 40) }; expectObservable(e1.timestamp(rxTestScheduler)).toBe(expected, expectedValue); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); it(&apos;should raise error if source immediately throws&apos;, function () { var e1 = cold(&apos;#&apos;); var e1subs = &apos;(^!)&apos;; var expected = &apos;#&apos;; expectObservable(e1.timestamp(rxTestScheduler)).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); }); //# sourceMappingURL=timestamp-spec.js.map</code></pre> </div> <footer class="footer"> Generated by <a href="https://esdoc.org">ESDoc<span 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