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Unified Diff: third_party/WebKit/LayoutTests/fast/canvas/canvas-scale-drawImage-shadow.html

Issue 2696023002: Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests. (Closed)
Patch Set: Created 3 years, 10 months ago
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Index: third_party/WebKit/LayoutTests/fast/canvas/canvas-scale-drawImage-shadow.html
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/canvas-scale-drawImage-shadow.html b/third_party/WebKit/LayoutTests/fast/canvas/canvas-scale-drawImage-shadow.html
index f95053c8ab9fc183b9881478d8e17ea05f17c0f1..8737bcb327d8b1aa487ee7d3153240425d34c01b 100644
--- a/third_party/WebKit/LayoutTests/fast/canvas/canvas-scale-drawImage-shadow.html
+++ b/third_party/WebKit/LayoutTests/fast/canvas/canvas-scale-drawImage-shadow.html
@@ -1,9 +1,113 @@
-<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
-<html>
-<head>
-<script src="../../resources/js-test.js"></script>
-</head>
+<script src="../../resources/testharness.js"></script>
+<script src="../../resources/testharnessreport.js"></script>
<body>
-<script src="script-tests/canvas-scale-drawImage-shadow.js"></script>
+<script>
+// Ensure correct behavior of canvas with drawImage+shadow after scaling. A blue and red checkered pattern should be displayed.
+
+// Create auxiliary canvas to draw to and create an image from.
+// This is done instead of simply loading an image from the file system
+// because that would throw a SECURITY_ERR DOM Exception.
+var aCanvas = document.createElement('canvas');
+aCanvas.width = aCanvas.height = 10;
+var aCtx = aCanvas.getContext('2d');
+aCtx.fillStyle = 'rgba(0, 0, 255, 1)';
+aCtx.fillRect(0, 0, 50, 50);
+
+// Create the image object to be drawn on the master canvas.
+var img = new Image();
+img.onload = drawImageToCanvasAndCheckPixels;
+img.src = aCanvas.toDataURL(); // set a data URI of the base64 encoded image as the source
+
+aCanvas.width = 10;
+aCtx.fillStyle = 'rgba(0, 0, 255, 0.5)';
+aCtx.fillRect(0, 0, 50, 50);
+// Create the image object to be drawn on the master canvas.
+var transparentImg = new Image();
+transparentImg.onload = drawImageToCanvasAndCheckPixels;
+transparentImg.src = aCanvas.toDataURL(); // set a data URI of the base64 encoded image as the source
+
+// Create master canvas.
+var canvas = document.createElement('canvas');
+document.body.appendChild(canvas);
+canvas.width = 150;
+canvas.height = 110;
+var ctx = canvas.getContext('2d');
+
+function testPixelShadow(x, y, color)
+{
+ assert_array_equals(ctx.getImageData(x, y, 1, 1).data, color);
+}
+
+function testPixelShadowAlpha(x, y, color)
+{
+ var data = ctx.getImageData(x, y, 1, 1).data;
+ assert_array_equals(data.slice(0,3), color.slice(0,3));
+ assert_approx_equals(data[3], color[3], 10);
+}
+
+var testPixelShadowScenarios = [
+ ['Verify solid shadow 1', 40, 40, [255, 0, 0, 255]],
+ ['Verify solid shadow 2', 59, 59, [255, 0, 0, 255]],
+];
+
+var testPixelShadowAlphaScenarios = [
+ ['Verify solid alpha shadow 1', 41, 81, [255, 0, 0, 76]],
+ ['Verify solid alpha shadow 2', 59, 99, [255, 0, 0, 76]],
+
+ ['Verify blurry shadow 1', 90, 39, [255, 0, 0, 114]],
+ ['Verify blurry shadow 2', 90, 60, [255, 0, 0, 114]],
+ ['Verify blurry shadow 3', 79, 50, [255, 0, 0, 114]],
+ ['Verify blurry shadow 4', 100, 50, [255, 0, 0, 114]],
+
+ ['Verify blurry alpha shadow 1', 90, 79, [255, 0, 0, 34]],
+ ['Verify blurry alpha shadow 2', 90, 100, [255, 0, 0, 34]],
+ ['Verify blurry alpha shadow 3', 79, 90, [255, 0, 0, 34]],
+ ['Verify blurry alpha shadow 4', 100, 90, [255, 0, 0, 34]],
+
+ ['Verify blurry shadow of image with alpha 1', 130, 39, [255, 0, 0, 57]],
+ ['Verify blurry shadow of image with alpha 2', 130, 60, [255, 0, 0, 57]],
+ ['Verify blurry shadow of image with alpha 3', 119, 50, [255, 0, 0, 57]],
+ ['Verify blurry shadow of image with alpha 4', 140, 50, [255, 0, 0, 57]],
+
+ ['Verify blurry alpha shadow of image with alpha 1', 130, 79, [255, 0, 0, 17]],
+ ['Verify blurry alpha shadow of image with alpha 2', 130, 100, [255, 0, 0, 17]],
+ ['Verify blurry alpha shadow of image with alpha 3', 119, 90, [255, 0, 0, 17]],
+ ['Verify blurry alpha shadow of image with alpha 4', 140, 90, [255, 0, 0, 17]],
+];
+
+var imagesLoaded = 0;
+function drawImageToCanvasAndCheckPixels() {
Justin Novosad 2017/02/16 15:59:28 it is a bit weird that you have to onload handlers
zakerinasab 2017/02/16 20:11:28 generate_tests replaced with loops in an async_tes
+ imagesLoaded = imagesLoaded + 1;
+ if (imagesLoaded == 2) {
+ ctx.scale(2, 2);
+ ctx.shadowOffsetX = 20;
+ ctx.shadowOffsetY = 20;
+ ctx.fillStyle = 'rgba(0, 0, 255, 1)';
+
+ ctx.shadowColor = 'rgba(255, 0, 0, 1.0)';
+ ctx.drawImage(img, 10, 10);
+
+ ctx.shadowColor = 'rgba(255, 0, 0, 0.3)';
+ ctx.drawImage(img, 10, 30);
+
+ ctx.shadowColor = 'rgba(255, 0, 0, 1.0)';
+ ctx.shadowBlur = 10;
+ ctx.drawImage(img, 30, 10);
+
+ ctx.shadowColor = 'rgba(255, 0, 0, 0.3)';
+ ctx.drawImage(img, 30, 30);
+
+ ctx.shadowColor = 'rgba(255, 0, 0, 1.0)';
+ ctx.drawImage(transparentImg, 50, 10);
+
+ ctx.shadowColor = 'rgba(255, 0, 0, 0.3)';
+ ctx.drawImage(transparentImg, 50, 30);
+
+ generate_tests(testPixelShadow, testPixelShadowScenarios);
+ generate_tests(testPixelShadowAlpha, testPixelShadowAlphaScenarios);
+
+ }
+}
+
+</script>
</body>
-</html>

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