Import wpt@5915964199b07226bf6d8fbb177a63b1f272907a

third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/shadows/2d.shadow.pattern.transparent.2.worker.js

+// DO NOT EDIT! This test has been generated by tools/gentest.py.
+// OffscreenCanvas test in a worker:2d.shadow.pattern.transparent.2
+// Description:Shadows are not drawn for transparent parts of fill patterns
+// Note:
+
+importScripts("/resources/testharness.js");
+importScripts("/common/canvas-tests.js");
+
+var t = async_test("Shadows are not drawn for transparent parts of fill patterns");
+t.step(function() {
+
+var offscreenCanvas = new OffscreenCanvas(100, 50);
+var ctx = offscreenCanvas.getContext('2d');
+
+var promise = new Promise(function(resolve, reject) {
+    var xhr = new XMLHttpRequest();
+    xhr.open("GET", '/images/redtransparent.png');
+    xhr.responseType = 'blob';
+    xhr.send();
+    xhr.onload = function() {
+        resolve(xhr.response);
+    };
+});
+promise.then(function(response) {
+    var pattern = ctx.createPattern(response, 'repeat');
+    ctx.fillStyle = '#f00';
+    ctx.fillRect(0, 0, 50, 50);
+    ctx.fillStyle = '#0f0';
+    ctx.fillRect(50, 0, 50, 50);
+    ctx.shadowOffsetY = 50;
+    ctx.shadowColor = '#0f0';
+    ctx.fillStyle = pattern;
+    ctx.fillRect(0, -50, 100, 50);
+    _assertPixel(offscreenCanvas, 25,25, 0,255,0,255, "25,25", "0,255,0,255");
+    _assertPixel(offscreenCanvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255");
+    _assertPixel(offscreenCanvas, 75,25, 0,255,0,255, "75,25", "0,255,0,255");
+});
+
+t.done();
+
+});
+done();