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pairwise.js
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(function () {
'use strict';
/* jshint undef: true, unused: true */
/* globals QUnit, test, Rx */
QUnit.module('pairwise');
var TestScheduler = Rx.TestScheduler,
onNext = Rx.ReactiveTest.onNext,
onError = Rx.ReactiveTest.onError,
onCompleted = Rx.ReactiveTest.onCompleted,
subscribe = Rx.ReactiveTest.subscribe;
test('pairwise empty', function () {
var scheduler = new TestScheduler();
var xs = scheduler.createHotObservable(
onNext(180, 5),
onCompleted(210)
);
var results = scheduler.startScheduler(function () {
return xs.pairwise();
});
results.messages.assertEqual(
onCompleted(210)
);
xs.subscriptions.assertEqual(
subscribe(200, 210)
);
});
test('pairwise single', function () {
var scheduler = new TestScheduler();
var xs = scheduler.createHotObservable(
onNext(180, 5),
onNext(210, 4),
onCompleted(220)
);
var results = scheduler.startScheduler(function () {
return xs.pairwise();
});
results.messages.assertEqual(
onCompleted(220)
);
xs.subscriptions.assertEqual(
subscribe(200, 220)
);
});
test('pairwise completed', function () {
var scheduler = new TestScheduler();
var xs = scheduler.createHotObservable(
onNext(180, 5),
onNext(210, 4),
onNext(240, 3),
onNext(290, 2),
onNext(350, 1),
onCompleted(360)
);
var results = scheduler.startScheduler(function () {
return xs.pairwise();
});
results.messages.assertEqual(
onNext(240, [4,3]),
onNext(290, [3, 2]),
onNext(350, [2, 1]),
onCompleted(360)
);
xs.subscriptions.assertEqual(
subscribe(200, 360)
);
});
test('pairwise not completed', function () {
var scheduler = new TestScheduler();
var xs = scheduler.createHotObservable(
onNext(180, 5),
onNext(210, 4),
onNext(240, 3),
onNext(290, 2),
onNext(350, 1)
);
var results = scheduler.startScheduler(function () {
return xs.pairwise();
});
results.messages.assertEqual(
onNext(240, [4,3]),
onNext(290, [3, 2]),
onNext(350, [2, 1])
);
xs.subscriptions.assertEqual(
subscribe(200, 1000)
);
});
test('pairwise error', function () {
var error = new Error();
var scheduler = new TestScheduler();
var xs = scheduler.createHotObservable(
onNext(180, 5),
onNext(210, 4),
onNext(240, 3),
onError(290, error),
onNext(350, 1),
onCompleted(360)
);
var results = scheduler.startScheduler(function () {
return xs.pairwise();
});
results.messages.assertEqual(
onNext(240, [4,3]),
onError(290, error)
);
xs.subscriptions.assertEqual(
subscribe(200, 290)
);
});
test('pairwise disposed', function () {
var scheduler = new TestScheduler();
var xs = scheduler.createHotObservable(
onNext(180, 5),
onNext(210, 4),
onNext(240, 3),
onNext(290, 2),
onNext(350, 1),
onCompleted(360)
);
var results = scheduler.startScheduler(function () {
return xs.pairwise();
}, { disposed: 280 });
results.messages.assertEqual(
onNext(240, [4,3])
);
xs.subscriptions.assertEqual(
subscribe(200, 280)
);
});
}());