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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
Revision 7c96c90ed8f1b469c37f06c37f248c42535060b8 authored by Hiroki Nakagawa on 26 March 2018, 09:29:42 UTC, committed by Chromium WPT Sync on 26 March 2018, 09:29:42 UTC 
Worker: Allow dynamic import() on DedicatedWorkerGlobalScope
 
This CL allows dynamic import() on DedicatedWorkerGlobalScope and adds WPT
tests. Note that ES Modules on DedicatedWorker is an experimental feature behind
the runtime flag.

Design doc:
https://docs.google.com/document/d/1IMGWAK7Wq37mLehwkbysNRBBnhQBo3z2MbYyMkViEnY/edit#heading=h.637avx8i5qtn

Bug: 680046
Change-Id: I1f8fed5c319aab634f96bcfabeb3c95f5dc7d9a7
Reviewed-on: https://chromium-review.googlesource.com/970127
Commit-Queue: Hiroki Nakagawa <nhiroki@chromium.org>
Reviewed-by: Kouhei Ueno <kouhei@chromium.org>
Reviewed-by: Matt Falkenhagen <falken@chromium.org>
Reviewed-by: Makoto Shimazu <shimazu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#545748}
1 parent 4ff4c66
Raw File
Tip revision: 7c96c90ed8f1b469c37f06c37f248c42535060b8 authored by Hiroki Nakagawa on 26 March 2018, 09:29:42 UTC
Worker: Allow dynamic import() on DedicatedWorkerGlobalScope
Tip revision: 7c96c90
context-creation-with-alpha.html 
<!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]);
}

function consumeImageBitmap(image, alphaVal, expectedR, expectedG, expectedB, expectedA)
{
    var dstCanvas = document.createElement('canvas');
    dstCanvas.width = width;
    dstCanvas.height = height;
    var dstCtx;
    if (alphaVal == 'true')
        dstCtx = dstCanvas.getContext('bitmaprenderer', { alpha: true });
    else if (alphaVal == 'false')
        dstCtx = dstCanvas.getContext('bitmaprenderer', { alpha: false });
    else
        dstCtx = dstCanvas.getContext('bitmaprenderer');
    dstCtx.transferFromImageBitmap(image);

    var myCanvas = document.createElement('canvas');
    myCanvas.width = width;
    myCanvas.height = height;
    var myCtx = myCanvas.getContext('2d');
    myCtx.drawImage(dstCanvas, 0, 0);
    testCanvas(myCtx, expectedR, expectedG, expectedB, expectedA);
}

promise_test(function() {
    var srcCanvas = document.createElement('canvas');
    srcCanvas.width = width;
    srcCanvas.height = height;
    var ctx = srcCanvas.getContext('2d');
    ctx.fillStyle = 'rgba(0, 255, 0, 0.5)';
    ctx.fillRect(0, 0, width, height);
    return createImageBitmap(srcCanvas).then(function(image) {
        consumeImageBitmap(image, 'false', 0, 127, 0, 255);
    });
}, "Test that an ImageBitmapRenderingContext with alpha disabled makes the canvas opaque");

promise_test(function() {
    var srcCanvas = document.createElement('canvas');
    srcCanvas.width = width;
    srcCanvas.height = height;
    var ctx = srcCanvas.getContext('2d');
    ctx.fillStyle = 'rgba(0, 255, 0, 0.5)';
    ctx.fillRect(0, 0, width, height);
    return createImageBitmap(srcCanvas).then(function(image) {
        consumeImageBitmap(image, 'true', 0, 255, 0, 127);
    });
}, "Test that an ImageBitmapRenderingContext with alpha enabled preserves the alpha");

promise_test(function() {
    var srcCanvas = document.createElement('canvas');
    srcCanvas.width = width;
    srcCanvas.height = height;
    var ctx = srcCanvas.getContext('2d');
    ctx.fillStyle = 'rgba(0, 255, 0, 0.5)';
    ctx.fillRect(0, 0, width, height);
    return createImageBitmap(srcCanvas).then(function(image) {
        consumeImageBitmap(image, '', 0, 255, 0, 127);
    });
}, "Test that the 'alpha' context creation attribute is true by default");

</script>
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