diff options
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.create2.initial.worker.js')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.create2.initial.worker.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.create2.initial.worker.js b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.create2.initial.worker.js new file mode 100644 index 0000000000..472e1dfd2e --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.create2.initial.worker.js @@ -0,0 +1,30 @@ +// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. +// OffscreenCanvas test in a worker:2d.imageData.create2.initial +// Description:createImageData(sw, sh) returns transparent black data of the right size +// Note: + +importScripts("/resources/testharness.js"); +importScripts("/html/canvas/resources/canvas-tests.js"); + +var t = async_test("createImageData(sw, sh) returns transparent black data of the right size"); +var t_pass = t.done.bind(t); +var t_fail = t.step_func(function(reason) { + throw reason; +}); +t.step(function() { + + var canvas = new OffscreenCanvas(100, 50); + var ctx = canvas.getContext('2d'); + + var imgdata = ctx.createImageData(10, 20); + _assertSame(imgdata.data.length, imgdata.width*imgdata.height*4, "imgdata.data.length", "imgdata.width*imgdata.height*4"); + _assert(imgdata.width < imgdata.height, "imgdata.width < imgdata.height"); + _assert(imgdata.width > 0, "imgdata.width > 0"); + var isTransparentBlack = true; + for (var i = 0; i < imgdata.data.length; ++i) + if (imgdata.data[i] !== 0) + isTransparentBlack = false; + _assert(isTransparentBlack, "isTransparentBlack"); + t.done(); +}); +done(); |