| Index: third_party/WebKit/LayoutTests/imported/wpt/imagebitmap-renderingcontext/tranferFromImageBitmap-null.html
|
| diff --git a/third_party/WebKit/LayoutTests/imported/wpt/imagebitmap-renderingcontext/tranferFromImageBitmap-null.html b/third_party/WebKit/LayoutTests/imported/wpt/imagebitmap-renderingcontext/tranferFromImageBitmap-null.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..c12a8c93fdb0f83c371982958838b8fa29c4f91d
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/imported/wpt/imagebitmap-renderingcontext/tranferFromImageBitmap-null.html
|
| @@ -0,0 +1,75 @@
|
| +<!DOCTYPE html>
|
| +<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, r, g, b, a)
|
| +{
|
| + var color = ctx.getImageData(5, 5, 1, 1).data;
|
| + assert_array_equals(color, [r, g, b, a]);
|
| +}
|
| +
|
| +promise_test(function() {
|
| + function testTransferFromImageBitmapNullability(greenImage, redImage) {
|
| + var bitmapCanvas = document.createElement('canvas');
|
| + bitmapCanvas.width = width;
|
| + bitmapCanvas.height = height;
|
| + var bitmapCtx = bitmapCanvas.getContext('bitmaprenderer');
|
| + bitmapCtx.transferFromImageBitmap(greenImage);
|
| +
|
| + // Make sure the bitmap renderer canvas is filled correctly.
|
| + var myCanvas = document.createElement('canvas');
|
| + myCanvas.width = width;
|
| + myCanvas.height = height;
|
| + var myCtx = myCanvas.getContext('2d');
|
| + myCtx.drawImage(bitmapCanvas, 0, 0);
|
| + testCanvas(myCtx, 0, 255, 0, 255);
|
| +
|
| + // Test if passing null resets the bitmap renderer canvas.
|
| + // Drawing the resetted canvas cannot change the destination canvas.
|
| + bitmapCtx.transferFromImageBitmap(null);
|
| + var myCanvas2 = document.createElement('canvas');
|
| + myCanvas2.width = width;
|
| + myCanvas2.height = height;
|
| + var myCtx2 = myCanvas2.getContext('2d');
|
| + myCtx2.drawImage(bitmapCanvas, 0, 0);
|
| + testCanvas(myCtx2, 0, 0, 0, 0);
|
| +
|
| + // Test if we can redraw the bitmap canvas correctly after reset.
|
| + bitmapCtx.transferFromImageBitmap(redImage);
|
| + var myCanvas3 = document.createElement('canvas');
|
| + myCanvas3.width = width;
|
| + myCanvas3.height = height;
|
| + var myCtx3 = myCanvas3.getContext('2d');
|
| + myCtx3.drawImage(bitmapCanvas, 0, 0);
|
| + testCanvas(myCtx3, 255, 0, 0, 255);
|
| + }
|
| +
|
| + var greenCanvas = document.createElement('canvas');
|
| + greenCanvas.width = width;
|
| + greenCanvas.height = height;
|
| + var greenCtx = greenCanvas.getContext('2d');
|
| + greenCtx.fillStyle = '#0f0';
|
| + greenCtx.fillRect(0, 0, width, height);
|
| +
|
| + var redCanvas = document.createElement('canvas');
|
| + redCanvas.width = width;
|
| + redCanvas.height = height;
|
| + var redCtx = redCanvas.getContext('2d');
|
| + redCtx.fillStyle = '#f00';
|
| + redCtx.fillRect(0, 0, width, height);
|
| +
|
| + return Promise.all([
|
| + createImageBitmap(greenCanvas),
|
| + createImageBitmap(redCanvas),
|
| + ]).then(([greenImage, redImage]) => {
|
| + testTransferFromImageBitmapNullability(greenImage, redImage);
|
| + });
|
| +},'Test that transferFromImageBitmap(null) discards the previously transferred image');
|
| +
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 2495873002:
Manually import wpt@359815a0ff565cb6ca89349f6e9e154789267d8b (Closed)
