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[Timeline] Test zoom controller's width

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This commit is contained in:
Victor Woeltjen 2016-05-31 16:21:40 -07:00
parent be9f56107c
commit 4f0e3fdf85
1 changed files with 21 additions and 0 deletions
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21
platform/features/timeline/test/controllers/TimelineZoomControllerSpec.js
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@ -119,6 +119,27 @@ define(
expect(Math.round(controller.toMillis(x2)))
.toBeGreaterThan(testEnd);
});
it("provides a width which is not less than scroll area width", function () {
var testPixel = mockScope.scroll.width / 4,
testMillis = controller.toMillis(testPixel);
expect(controller.width(testMillis))
.toEqual(mockScope.scroll.width);
});
it("provides a width with some margin past timestamp", function () {
var testPixel = mockScope.scroll.width * 4,
testMillis = controller.toMillis(testPixel);
expect(controller.width(testMillis))
.toBeGreaterThan(controller.toPixels(testMillis));
});
it("provides a width which does not greatly exceed timestamp", function () {
var testPixel = mockScope.scroll.width * 4,
testMillis = controller.toMillis(testPixel);
expect(controller.width(testMillis))
.toBeLessThan(controller.toPixels(testMillis * 2));
});
});
});