mirror of
https://github.com/servo/servo.git
synced 2025-07-11 17:33:47 +01:00
31 lines
1.1 KiB
JavaScript
31 lines
1.1 KiB
JavaScript
// DO NOT EDIT! This test has been generated by tools/gentest.py.
|
|
// OffscreenCanvas test in a worker:2d.imageData.create1.initial
|
|
// Description:createImageData(imgdata) returns transparent black data of the right size
|
|
// Note:
|
|
|
|
importScripts("/resources/testharness.js");
|
|
importScripts("/common/canvas-tests.js");
|
|
|
|
var t = async_test("createImageData(imgdata) returns transparent black data of the right size");
|
|
t.step(function() {
|
|
|
|
var offscreenCanvas = new OffscreenCanvas(100, 50);
|
|
var ctx = offscreenCanvas.getContext('2d');
|
|
|
|
ctx.fillStyle = '#0f0';
|
|
ctx.fillRect(0, 0, 100, 50);
|
|
var imgdata1 = ctx.getImageData(0, 0, 10, 20);
|
|
var imgdata2 = ctx.createImageData(imgdata1);
|
|
_assertSame(imgdata2.data.length, imgdata1.data.length, "imgdata2.data.length", "imgdata1.data.length");
|
|
_assertSame(imgdata2.width, imgdata1.width, "imgdata2.width", "imgdata1.width");
|
|
_assertSame(imgdata2.height, imgdata1.height, "imgdata2.height", "imgdata1.height");
|
|
var isTransparentBlack = true;
|
|
for (var i = 0; i < imgdata2.data.length; ++i)
|
|
if (imgdata2.data[i] !== 0)
|
|
isTransparentBlack = false;
|
|
_assert(isTransparentBlack, "isTransparentBlack");
|
|
|
|
t.done();
|
|
|
|
});
|
|
done();
|