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Edit File: windowCount-spec.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var chai_1 = require("chai");
var operators_1 = require("rxjs/operators");
var rxjs_1 = require("rxjs");
var testing_1 = require("rxjs/testing");
var observableMatcher_1 = require("../helpers/observableMatcher");
describe('windowCount', function () {
    var rxTestScheduler;
    beforeEach(function () {
        rxTestScheduler = new testing_1.TestScheduler(observableMatcher_1.observableMatcher);
    });
    it('should emit windows with count 3, no skip specified', function () {
        rxTestScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = hot('---a---b---c---d---e---f---g---h---i---|');
            var sourceSubs = '^--------------------------------------!';
            var expected = '  x----------y-----------z-----------w---|';
            var x = cold('    ---a---b---(c|)                         ');
            var y = cold('               ----d---e---(f|)             ');
            var z = cold('                           ----g---h---(i|) ');
            var w = cold('                                       ----|');
            var expectedValues = { x: x, y: y, z: z, w: w };
            var result = source.pipe((0, operators_1.windowCount)(3));
            expectObservable(result).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(sourceSubs);
        });
    });
    it('should emit windows with count 2 and skip 1', function () {
        rxTestScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = hot('^-a--b--c--d--|');
            var subs = '      ^-------------!';
            var expected = '  u-v--x--y--z--|';
            var u = cold('    --a--(b|)      ');
            var v = cold('      ---b--(c|)   ');
            var x = cold('         ---c--(d|)');
            var y = cold('            ---d--|');
            var z = cold('               ---|');
            var values = { u: u, v: v, x: x, y: y, z: z };
            var result = source.pipe((0, operators_1.windowCount)(2, 1));
            expectObservable(result).toBe(expected, values);
            expectSubscriptions(source.subscriptions).toBe(subs);
        });
    });
    it('should emit windows with count 2, and skip unspecified', function () {
        rxTestScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = hot('--a--b--c--d--e--f--|');
            var subs = '      ^-------------------!';
            var expected = '  x----y-----z-----w--|';
            var x = cold('    --a--(b|)            ');
            var y = cold('         ---c--(d|)      ');
            var z = cold('               ---e--(f|)');
            var w = cold('                     ---|');
            var values = { x: x, y: y, z: z, w: w };
            var result = source.pipe((0, operators_1.windowCount)(2));
            expectObservable(result).toBe(expected, values);
            expectSubscriptions(source.subscriptions).toBe(subs);
        });
    });
    it('should return empty if source is empty', function () {
        rxTestScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = cold('|');
            var subs = '       (^!)';
            var expected = '   (w|)';
            var w = cold('     |');
            var values = { w: w };
            var result = source.pipe((0, operators_1.windowCount)(2, 1));
            expectObservable(result).toBe(expected, values);
            expectSubscriptions(source.subscriptions).toBe(subs);
        });
    });
    it('should return Never if source if Never', function () {
        rxTestScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = cold('-');
            var subs = '       ^';
            var expected = '   w';
            var w = cold('     -');
            var expectedValues = { w: w };
            var result = source.pipe((0, operators_1.windowCount)(2, 1));
            expectObservable(result).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(subs);
        });
    });
    it('should propagate error from a just-throw source', function () {
        rxTestScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = cold('  #');
            var subs = '         (^!)';
            var expected = '     (w#)';
            var w = cold('       #');
            var expectedValues = { w: w };
            var result = source.pipe((0, operators_1.windowCount)(2, 1));
            expectObservable(result).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(subs);
        });
    });
    it('should raise error if source raises error', function () {
        rxTestScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = hot('--a--b--c--d--e--f--#');
            var subs = '      ^-------------------!';
            var expected = '  u-v--w--x--y--z--q--#';
            var u = cold('    --a--b--(c|)         ');
            var v = cold('      ---b--c--(d|)      ');
            var w = cold('         ---c--d--(e|)   ');
            var x = cold('            ---d--e--(f|)');
            var y = cold('               ---e--f--#');
            var z = cold('                  ---f--#');
            var q = cold('                     ---#');
            var values = { u: u, v: v, w: w, x: x, y: y, z: z, q: q };
            var result = source.pipe((0, operators_1.windowCount)(3, 1));
            expectObservable(result).toBe(expected, values);
            expectSubscriptions(source.subscriptions).toBe(subs);
        });
    });
    it('should dispose of inner windows once outer is unsubscribed early', function () {
        rxTestScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = hot('^-a--b--c--d--|');
            var subs = '      ^--------!     ';
            var expected = '  w-x--y--z-     ';
            var w = cold('    --a--(b|)      ');
            var x = cold('      ---b--(c|)   ');
            var y = cold('         ---c-     ');
            var z = cold('            --     ');
            var unsub = '     ---------!     ';
            var values = { w: w, x: x, y: y, z: z };
            var result = source.pipe((0, operators_1.windowCount)(2, 1));
            expectObservable(result, unsub).toBe(expected, values);
            expectSubscriptions(source.subscriptions).toBe(subs);
        });
    });
    it('should not break unsubscription chains when result is unsubscribed explicitly', function () {
        rxTestScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = hot('^-a--b--c--d--|');
            var subs = '      ^--------!     ';
            var expected = '  w-x--y--z-     ';
            var w = cold('    --a--(b|)      ');
            var x = cold('      ---b--(c|)   ');
            var y = cold('         ---c-     ');
            var z = cold('            --     ');
            var unsub = '     ---------!     ';
            var values = { w: w, x: x, y: y, z: z };
            var result = source.pipe((0, operators_1.mergeMap)(function (x) { return (0, rxjs_1.of)(x); }), (0, operators_1.windowCount)(2, 1), (0, operators_1.mergeMap)(function (x) { return (0, rxjs_1.of)(x); }));
            expectObservable(result, unsub).toBe(expected, values);
            expectSubscriptions(source.subscriptions).toBe(subs);
        });
    });
    it('should stop listening to a synchronous observable when unsubscribed', function () {
        var sideEffects = [];
        var synchronousObservable = new rxjs_1.Observable(function (subscriber) {
            for (var i = 0; !subscriber.closed && i < 10; i++) {
                sideEffects.push(i);
                subscriber.next(i);
            }
        });
        synchronousObservable.pipe((0, operators_1.windowCount)(3), (0, operators_1.mergeAll)(), (0, operators_1.take)(3)).subscribe(function () {
        });
        (0, chai_1.expect)(sideEffects).to.deep.equal([0, 1, 2]);
    });
});
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