diff options
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.object.round.worker.js')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.object.round.worker.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.object.round.worker.js b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.object.round.worker.js new file mode 100644 index 0000000000..8ef3c02793 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.object.round.worker.js @@ -0,0 +1,50 @@ +// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. +// OffscreenCanvas test in a worker:2d.imageData.object.round +// Description:ImageData.data rounds numbers with round-to-zero +// Note: + +importScripts("/resources/testharness.js"); +importScripts("/html/canvas/resources/canvas-tests.js"); + +var t = async_test("ImageData.data rounds numbers with round-to-zero"); +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.getImageData(0, 0, 10, 10); + imgdata.data[0] = 0.499; + _assertSame(imgdata.data[0], 0, "imgdata.data[\""+(0)+"\"]", "0"); + imgdata.data[0] = 0.5; + _assertSame(imgdata.data[0], 0, "imgdata.data[\""+(0)+"\"]", "0"); + imgdata.data[0] = 0.501; + _assertSame(imgdata.data[0], 1, "imgdata.data[\""+(0)+"\"]", "1"); + imgdata.data[0] = 1.499; + _assertSame(imgdata.data[0], 1, "imgdata.data[\""+(0)+"\"]", "1"); + imgdata.data[0] = 1.5; + _assertSame(imgdata.data[0], 2, "imgdata.data[\""+(0)+"\"]", "2"); + imgdata.data[0] = 1.501; + _assertSame(imgdata.data[0], 2, "imgdata.data[\""+(0)+"\"]", "2"); + imgdata.data[0] = 2.5; + _assertSame(imgdata.data[0], 2, "imgdata.data[\""+(0)+"\"]", "2"); + imgdata.data[0] = 3.5; + _assertSame(imgdata.data[0], 4, "imgdata.data[\""+(0)+"\"]", "4"); + imgdata.data[0] = 252.5; + _assertSame(imgdata.data[0], 252, "imgdata.data[\""+(0)+"\"]", "252"); + imgdata.data[0] = 253.5; + _assertSame(imgdata.data[0], 254, "imgdata.data[\""+(0)+"\"]", "254"); + imgdata.data[0] = 254.5; + _assertSame(imgdata.data[0], 254, "imgdata.data[\""+(0)+"\"]", "254"); + imgdata.data[0] = 256.5; + _assertSame(imgdata.data[0], 255, "imgdata.data[\""+(0)+"\"]", "255"); + imgdata.data[0] = -0.5; + _assertSame(imgdata.data[0], 0, "imgdata.data[\""+(0)+"\"]", "0"); + imgdata.data[0] = -1.5; + _assertSame(imgdata.data[0], 0, "imgdata.data[\""+(0)+"\"]", "0"); + t.done(); +}); +done(); |