diff options
Diffstat (limited to 'spec')
| -rw-r--r-- | spec/spec/fx.js | 137 |
1 files changed, 133 insertions, 4 deletions
diff --git a/spec/spec/fx.js b/spec/spec/fx.js index 75e2fa8..bde3c23 100644 --- a/spec/spec/fx.js +++ b/spec/spec/fx.js @@ -216,8 +216,8 @@ describe('FX', function() { it('sets the animation at the end, after all loops when reversing is true', function() { var loops - // When reversing is true, the end position equal the start position when - // loops is even + // When reversing is true, the end position is 0 when loops is even and + // 1 when loops is odd // The animation is running forward loops = 6 @@ -231,13 +231,15 @@ describe('FX', function() { fx.atEnd() expect(fx.absPos).toBe(loops) - expect(fx.pos).toBe(0) // Equal start position because loops is even + expect(fx.pos).toBe(0) // End position is 0 because loops is even expect(fx.active).toBe(false) expect(fx.situation).toBeNull() // Recreate an animation since the other one was ended fx.animate() + // When reversing is true and the animation is running backward, + // the end position is 1 when loops is even and 0 when loops is odd // The animation is running backward loops = 3 @@ -251,7 +253,134 @@ describe('FX', function() { fx.atEnd() expect(fx.absPos).toBe(loops) - expect(fx.pos).toBe(0) // Not equal to the start position because loops is odd + expect(fx.pos).toBe(0) // End position is 0 because loops is odd + expect(fx.active).toBe(false) + expect(fx.situation).toBeNull() + }) + + it('sets the animation at the end of the current iteration when in an infinite loop', function () { + // When the animation is running forward, the end position is 1 + fx.loop(true).start().step() + expect(fx.absPos).toBe(0) + expect(fx.pos).toBe(0) + expect(fx.active).toBe(true) + expect(fx.situation.loop).toBe(0) + expect(fx.situation.loops).toBe(true) + + // Should be halfway through iteration 10 + jasmine.clock().tick(500 * 10 + 250) + fx.step() + expect(fx.absPos).toBe(10.5) + expect(fx.pos).toBe(0.5) + expect(fx.active).toBe(true) + expect(fx.situation.loop).toBe(10) + expect(fx.situation.loops).toBe(true) + + fx.atEnd() + expect(fx.absPos).toBe(11) + expect(fx.pos).toBe(1) + expect(fx.active).toBe(false) + expect(fx.situation).toBeNull() + + // Recreate an animation since the other one was ended + fx.animate(500) + + // When the animation is running backward, the end position is 0 + fx.reverse(true).loop(true).start().step() + expect(fx.absPos).toBe(0) + expect(fx.pos).toBe(1) + expect(fx.active).toBe(true) + expect(fx.situation.loop).toBe(0) + expect(fx.situation.loops).toBe(true) + expect(fx.situation.reversed).toBe(true) + + // Should be halfway through iteration 21 + jasmine.clock().tick(500 * 21 + 250) + fx.step() + expect(fx.absPos).toBe(21.5) + expect(fx.pos).toBe(0.5) + expect(fx.active).toBe(true) + expect(fx.situation.loop).toBe(21) + expect(fx.situation.loops).toBe(true) + + fx.atEnd() + expect(fx.absPos).toBe(22) + expect(fx.pos).toBe(0) + expect(fx.active).toBe(false) + expect(fx.situation).toBeNull() + }) + + + it('sets the animation at the end of the current iteration when in an infinite loop and reversing is true', function () { + // When reversing is true, the end position is 1 when ending on an even + // iteration and 0 when ending on an odd iteration as illustrated below: + + // 0 Iteration 1 + // |--------------0------------->| + // |<-------------1--------------| + // |--------------2------------->| + // |<-------------3--------------| + // ... + + + // The animation is running forward + fx.loop(true, true).start().step() + expect(fx.absPos).toBe(0) + expect(fx.pos).toBe(0) + expect(fx.active).toBe(true) + expect(fx.situation.loop).toBe(0) + expect(fx.situation.loops).toBe(true) + + // Should be halfway through iteration 11 + jasmine.clock().tick(500 * 11 + 250) + fx.step() + expect(fx.absPos).toBe(11.5) + expect(fx.pos).toBe(0.5) + expect(fx.active).toBe(true) + expect(fx.situation.loop).toBe(11) + expect(fx.situation.loops).toBe(true) + + fx.atEnd() + expect(fx.absPos).toBe(12) + expect(fx.pos).toBe(0) // End position is 0 because ended on a odd iteration + expect(fx.active).toBe(false) + expect(fx.situation).toBeNull() + + // Recreate an animation since the other one was ended + fx.animate(500) + + // When reversing is true and the animation is running backward, + // the end position is 0 when ending on an even iteration and + // 1 when ending on an odd iteration as illustrated below: + + // 0 Iteration 1 + // |<-------------0--------------| + // |--------------1------------->| + // |<-------------2--------------| + // |--------------3------------->| + // ... + + // The animation is running backward + fx.reverse(true).loop(true).start().step() + expect(fx.absPos).toBe(0) + expect(fx.pos).toBe(1) + expect(fx.active).toBe(true) + expect(fx.situation.loop).toBe(0) + expect(fx.situation.loops).toBe(true) + expect(fx.situation.reversed).toBe(true) + + // Should be halfway through iteration 42 + jasmine.clock().tick(500 * 42 + 250) + fx.step() + expect(fx.absPos).toBe(42.5) + expect(fx.pos).toBe(0.5) + expect(fx.active).toBe(true) + expect(fx.situation.loop).toBe(42) + expect(fx.situation.loops).toBe(true) + + fx.atEnd() + expect(fx.absPos).toBe(43) + expect(fx.pos).toBe(0) // End position is 0 because ended on an even iteration expect(fx.active).toBe(false) expect(fx.situation).toBeNull() }) |