54 lines
1.5 KiB
JavaScript
54 lines
1.5 KiB
JavaScript
describe("ClearStack", function() {
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it("works in an integrationy way", function(done) {
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var clearStack = jasmineUnderTest.getClearStack(jasmineUnderTest.getGlobal());
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clearStack(function() {
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done();
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});
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});
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it("uses setImmediate when available", function() {
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var setImmediate = jasmine.createSpy('setImmediate').and.callFake(function(fn) { fn() }),
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global = { setImmediate: setImmediate },
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clearStack = jasmineUnderTest.getClearStack(global),
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called = false;
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clearStack(function() {
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called = true;
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});
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expect(called).toBe(true);
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expect(setImmediate).toHaveBeenCalled();
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});
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it("uses MessageChannels when available", function() {
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var fakeChannel = {
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port1: {},
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port2: { postMessage: function() { fakeChannel.port1.onmessage(); } }
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},
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global = { MessageChannel: function() { return fakeChannel; } },
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clearStack = jasmineUnderTest.getClearStack(global),
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called = false;
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clearStack(function() {
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called = true;
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});
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expect(called).toBe(true);
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});
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it("falls back to setTimeout", function() {
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var setTimeout = jasmine.createSpy('setTimeout').and.callFake(function(fn) { fn() }),
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global = { setTimeout: setTimeout },
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clearStack = jasmineUnderTest.getClearStack(global),
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called = false;
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clearStack(function() {
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called = true;
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});
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expect(called).toBe(true);
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expect(setTimeout).toHaveBeenCalledWith(jasmine.any(Function), 0);
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});
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});
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