diff options
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.order.cols.worker.js')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.order.cols.worker.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.order.cols.worker.js b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.order.cols.worker.js new file mode 100644 index 0000000000..6a070e2516 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.get.order.cols.worker.js @@ -0,0 +1,29 @@ +// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. +// OffscreenCanvas test in a worker:2d.imageData.get.order.cols +// Description:getImageData() returns leftmost columns first +// Note: + +importScripts("/resources/testharness.js"); +importScripts("/html/canvas/resources/canvas-tests.js"); + +var t = async_test("getImageData() returns leftmost columns first"); +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'); + + ctx.fillStyle = '#fff'; + ctx.fillRect(0, 0, 100, 50); + ctx.fillStyle = '#000'; + ctx.fillRect(0, 0, 2, 50); + var imgdata = ctx.getImageData(0, 0, 10, 10); + _assertSame(imgdata.data[0], 0, "imgdata.data[\""+(0)+"\"]", "0"); + _assertSame(imgdata.data[Math.round(imgdata.width/2*4)], 255, "imgdata.data[Math.round(imgdata.width/2*4)]", "255"); + _assertSame(imgdata.data[Math.round((imgdata.height/2)*imgdata.width*4)], 0, "imgdata.data[Math.round((imgdata.height/2)*imgdata.width*4)]", "0"); + t.done(); +}); +done(); |