Chromium Code Reviews Chromium Code Reviews
Issue 2495873002:
Manually import wpt@359815a0ff565cb6ca89349f6e9e154789267d8b (Closed)
| Index: third_party/WebKit/LayoutTests/imported/wpt/imagebitmap-renderingcontext/bitmaprenderer-as-imagesource.html |
| diff --git a/third_party/WebKit/LayoutTests/imported/wpt/imagebitmap-renderingcontext/bitmaprenderer-as-imagesource.html b/third_party/WebKit/LayoutTests/imported/wpt/imagebitmap-renderingcontext/bitmaprenderer-as-imagesource.html |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..1dbfa2b46afcc0de420b43afde3248419e723be3 |
| --- /dev/null |
| +++ b/third_party/WebKit/LayoutTests/imported/wpt/imagebitmap-renderingcontext/bitmaprenderer-as-imagesource.html |
| @@ -0,0 +1,90 @@ |
| +<!DOCTYPE html> |
|
tkent
2016/11/14 02:11:22
web-platform-tests/imagebitmap-renderingcontext/ i
|
| +<meta charset="utf-8"> |
| +<title>Canvas's ImageBitmapRenderingContext test</title> |
| +<script src="/resources/testharness.js"></script> |
| +<script src="/resources/testharnessreport.js"></script> |
| +<link rel="help" href="https://html.spec.whatwg.org/multipage/scripting.html#the-imagebitmap-rendering-context"> |
| +<script> |
| +var width = 10; |
| +var height = 10; |
| + |
| +function testCanvas(ctx, x, y, r, g, b, a) |
| +{ |
| + var color = ctx.getImageData(x, y, 1, 1).data; |
| + assert_array_equals(color, [r, g, b, a]); |
| +} |
| + |
| +function consumeImageBitmap(image, t) |
| +{ |
| + var myCanvas = document.createElement('canvas'); |
| + myCanvas.width = myCanvas.height = 20; |
| + var myCtx = myCanvas.getContext('bitmaprenderer'); |
| + myCtx.transferFromImageBitmap(image); |
| + |
| + createImageBitmap(myCanvas).then(t.step_func_done(function(imageBitmap) { |
| + // Per spec, when transferFromImageBitmap happens, the transferred |
| + // ImageBitmap (|image| here) should be the intrinsic size of |
| + // myCanvas, and hence myCanvas.width/height is ignored. Therefore, |
| + // this created |imageBitmap| should have the same size as the |image|. |
| + assert_equals(imageBitmap.width, width); |
| + assert_equals(imageBitmap.height, height); |
| + |
| + var dstCanvas = document.createElement('canvas'); |
| + dstCanvas.width = dstCanvas.height = 20; |
| + var dstCtx = dstCanvas.getContext('2d'); |
| + dstCtx.drawImage(myCanvas, 0, 0); |
| + testCanvas(dstCtx, 5, 5, 0, 255, 0, 255); |
| + testCanvas(dstCtx, 15, 15, 0, 0, 0, 0); |
| + })); |
| +} |
| + |
| +async_test(function(t) { |
| + var canvas = document.createElement("canvas"); |
| + canvas.width = width; |
| + canvas.height = height; |
| + var ctx = canvas.getContext('2d'); |
| + ctx.fillStyle = '#0f0'; |
| + ctx.fillRect(0, 0, width, height); |
| + createImageBitmap(canvas).then(t.step_func(function(image) { |
| + consumeImageBitmap(image, t); |
| + })); |
| +}, 'Test that createImageBitmap from a bitmaprenderer canvas produces correct result'); |
| + |
| +async_test(function(t) { |
| + var canvas = document.createElement("canvas"); |
| + canvas.width = width; |
| + canvas.height = height; |
| + var ctx = canvas.getContext('bitmaprenderer'); |
| + createImageBitmap(canvas).then(t.step_func_done(function(image) { |
| + assert_equals(image.width, width); |
| + assert_equals(image.height, height); |
| + |
| + var dstCanvas = document.createElement('canvas'); |
| + dstCanvas.width = width; |
| + dstCanvas.height = height; |
| + var dstCtx = dstCanvas.getContext('2d'); |
| + dstCtx.drawImage(canvas, 0, 0); |
| + testCanvas(dstCtx, 5, 5, 0, 0, 0, 0); |
| + })); |
| +}, 'Test that createImageBitmap on a bitmaprenderer canvas that never consumes any source produces correct result'); |
| + |
| + |
| +async_test(function(t) { |
| + var canvas = document.createElement("canvas"); |
| + canvas.width = width; |
| + canvas.height = height; |
| + var ctx = canvas.getContext('bitmaprenderer'); |
| + ctx.transferFromImageBitmap(null); |
| + createImageBitmap(canvas).then(t.step_func_done(function(image) { |
| + assert_equals(image.width, width); |
| + assert_equals(image.height, height); |
| + |
| + var dstCanvas = document.createElement('canvas'); |
| + dstCanvas.width = width; |
| + dstCanvas.height = height; |
| + var dstCtx = dstCanvas.getContext('2d'); |
| + dstCtx.drawImage(canvas, 0, 0); |
| + testCanvas(dstCtx, 5, 5, 0, 0, 0, 0); |
| + })); |
| +}, 'Test that createImageBitmap on a bitmaprenderer canvas that consumes null produces correct result'); |
| +</script> |
