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Unified Diff: third_party/WebKit/LayoutTests/fast/canvas/canvas-strokePath-alpha-shadow.html

Issue 2693193003: Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests. (Closed)
Patch Set: Addressing comments Created 3 years, 10 months ago
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Index: third_party/WebKit/LayoutTests/fast/canvas/canvas-strokePath-alpha-shadow.html
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/canvas-strokePath-alpha-shadow.html b/third_party/WebKit/LayoutTests/fast/canvas/canvas-strokePath-alpha-shadow.html
index ddaacf4e2fde442ab9ad402949285f0230cccb8c..b01883f6dfeed562cce43fb718ea904a7c280377 100644
--- a/third_party/WebKit/LayoutTests/fast/canvas/canvas-strokePath-alpha-shadow.html
+++ b/third_party/WebKit/LayoutTests/fast/canvas/canvas-strokePath-alpha-shadow.html
@@ -1,9 +1,93 @@
-<!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-strokePath-alpha-shadow.js"></script>
+<script>
+
+// Ensure correct behavior of canvas with path stroke using a strokeStyle color with alpha and a shadow.
+
+var canvas = document.createElement('canvas');
+document.body.appendChild(canvas);
+canvas.setAttribute('width', '600');
+canvas.setAttribute('height', '1100');
+var ctx = canvas.getContext('2d');
+
+ctx.save();
+ctx.strokeStyle = 'rgba(0, 0, 255, 0.5)';
+ctx.shadowColor = 'rgba(255, 0, 0, 0.5)';
+ctx.shadowOffsetX = 250;
+ctx.lineWidth = 50;
+
+function strokePath(x, y) {
+ ctx.beginPath();
+ ctx.arc(x, y, 75, 0, Math.PI*2, true);
+ ctx.stroke();
+}
+
+// Alpha shadow.
+ctx.shadowBlur = 0;
+strokePath(150, 150);
+
+// Blurry shadow.
+ctx.shadowBlur = 10;
+strokePath(150, 400);
+
+ctx.rotate(Math.PI/2);
+
+// Rotated alpha shadow.
+ctx.shadowBlur = 0;
+strokePath(650, -150);
+
+// Rotated blurry shadow.
+ctx.shadowBlur = 10;
+strokePath(900, -150);
+
+ctx.restore();
+
+var imageData, data;
+ctx.fillStyle = 'black';
+
+function testPixelAlphaShadow(x, y, color)
+{
+ if (color.length == 4) {
+ assert_array_equals(ctx.getImageData(x, y, 1, 1).data, color);
+ } else { // we expect to have [r, g, b, a, alphaTolerance]
+ 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], color[4]);
+ }
+ // Plot test point.
+ ctx.fillRect(x, y, 3, 3);
+}
+
+var alphaTolerance = 15;
+var testPixelAlphaShadowScenarios = [
+ ['Verify alpha shadow 1', 400, 150, [0, 0, 0, 0]],
+ ['Verify alpha shadow 2', 400, 75, [255, 0, 0, 64, alphaTolerance]],
+ ['Verify alpha shadow 3', 400, 225, [255, 0, 0, 64, alphaTolerance]],
+ ['Verify alpha shadow 4', 325, 150, [255, 0, 0, 64, alphaTolerance]],
+ ['Verify alpha shadow 5', 475, 150, [255, 0, 0, 64, alphaTolerance]],
+
+ ['Verify blurry shadow 1', 400, 400, [0, 0, 0, 0]],
+ ['Verify blurry shadow 2', 400, 300, [255, 0, 0, 31, alphaTolerance]],
+ ['Verify blurry shadow 3', 400, 500, [255, 0, 0, 31, alphaTolerance]],
+ ['Verify blurry shadow 4', 300, 400, [255, 0, 0, 31, alphaTolerance]],
+ ['Verify blurry shadow 5', 500, 400, [255, 0, 0, 31, alphaTolerance]],
+
+ ['Verify rotated alpha shadow 1', 400, 650, [0, 0, 0, 0]],
+ ['Verify rotated alpha shadow 2', 400, 575, [255, 0, 0, 64, alphaTolerance]],
+ ['Verify rotated alpha shadow 3', 400, 725, [255, 0, 0, 64, alphaTolerance]],
+ ['Verify rotated alpha shadow 4', 325, 650, [255, 0, 0, 64, alphaTolerance]],
+ ['Verify rotated alpha shadow 5', 475, 650, [255, 0, 0, 64, alphaTolerance]],
+
+ ['Verify rotated blurry shadow 1', 400, 900, [0, 0, 0, 0]],
+ ['Verify rotated blurry shadow 2', 400, 800, [255, 0, 0, 31, alphaTolerance]],
+ ['Verify rotated blurry shadow 3', 400, 1000, [255, 0, 0, 31, alphaTolerance]],
+ ['Verify rotated blurry shadow 2', 300, 900, [255, 0, 0, 31, alphaTolerance]],
+ ['Verify rotated blurry shadow 2', 500, 900, [255, 0, 0, 31, alphaTolerance]],
+
+];
+
+generate_tests(testPixelAlphaShadow, testPixelAlphaShadowScenarios);
+
+</script>
</body>
-</html>

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