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1 <script src="../../resources/js-test.js"></script> | 1 <script src="../../resources/testharness.js"></script> |
2 <script src="../../resources/testharnessreport.js"></script> | |
2 <canvas id='c'></canvas> | 3 <canvas id='c'></canvas> |
3 <script> | 4 <script> |
5 test(function(t) { | |
6 | |
4 // The reason this is implemented as a layout test instead of a unit test (see C anvasFontCacheTest.cpp) | 7 // The reason this is implemented as a layout test instead of a unit test (see C anvasFontCacheTest.cpp) |
Justin Novosad
2017/02/03 18:39:32
indent
zakerinasab
2017/02/09 18:11:03
Done.
| |
5 // is to exercise interactions with animation frames. | 8 // is to exercise interactions with animation frames. |
6 | 9 |
7 var cacheLimit = 0; | 10 var cacheLimit = 0; |
8 if (!window.internals || !window.testRunner) { | 11 cacheLimit = window.internals.canvasFontCacheMaxFonts(); |
9 » testFailed('This test requires the window.internals and window.testRunne r interfaces'); | 12 requestAnimationFrame(step1); |
10 } else { | |
11 » cacheLimit = internals.canvasFontCacheMaxFonts(); | |
12 » testRunner.waitUntilDone(); | |
13 » testRunner.dumpAsText(); | |
14 » requestAnimationFrame(step1); | |
15 } | |
16 | 13 |
17 var ctx = document.getElementById('c').getContext('2d'); | 14 var ctx = document.getElementById('c').getContext('2d'); |
18 | 15 |
19 function step1() | 16 function step1() |
20 { | 17 { |
21 » for (var i = 0; i < cacheLimit + 1; i ++) { | 18 for (var i = 0; i < cacheLimit + 1; i ++) { |
22 » » ctx.font = (1 + i) + 'px sans-serif'; | 19 ctx.font = (1 + i) + 'px sans-serif'; |
23 » » ctx.fillText('a', 0, 50); | 20 ctx.fillText('a', 0, 50); |
24 » } | 21 } |
25 » shouldBeTrue('internals.isInCanvasFontCache(document, "1px sans-serif")' ); | 22 assert_true(internals.isInCanvasFontCache(document, "1px sans-serif")); |
26 » requestAnimationFrame(step2); | 23 requestAnimationFrame(step2); |
27 } | 24 } |
28 | 25 |
29 function step2() | 26 function step2() |
30 { | 27 { |
31 » // Pruning of the cache is expected to happen between tasks | 28 // Pruning of the cache is expected to happen between tasks |
32 » shouldBeFalse('internals.isInCanvasFontCache(document, "1px sans-serif") '); | 29 assert_false(internals.isInCanvasFontCache(document, "1px sans-serif")); |
33 » shouldBeTrue('internals.isInCanvasFontCache(document, "2px sans-serif")' ); | 30 assert_true(internals.isInCanvasFontCache(document, "2px sans-serif")); |
34 » testRunner.notifyDone(); | |
35 } | 31 } |
36 | 32 |
33 }, 'Test that createImageBitmap from a bitmaprenderer canvas produces correct re sult'); | |
37 </script> | 34 </script> |
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