Import wpt@5915964199b07226bf6d8fbb177a63b1f272907a

third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/pixel-manipulation/2d.imageData.put.dirty.rect2.worker.js

+// DO NOT EDIT! This test has been generated by tools/gentest.py.
+// OffscreenCanvas test in a worker:2d.imageData.put.dirty.rect2
+// Description:putImageData() only modifies areas inside the dirty rectangle, using x and y
+// Note:
+
+importScripts("/resources/testharness.js");
+importScripts("/common/canvas-tests.js");
+
+var t = async_test("putImageData() only modifies areas inside the dirty rectangle, using x and y");
+t.step(function() {
+
+var offscreenCanvas = new OffscreenCanvas(100, 50);
+var ctx = offscreenCanvas.getContext('2d');
+
+ctx.fillStyle = '#f00';
+ctx.fillRect(0, 0, 100, 50)
+ctx.fillStyle = '#0f0';
+ctx.fillRect(60, 30, 20, 20)
+var imgdata = ctx.getImageData(0, 0, 100, 50);
+ctx.fillStyle = '#0f0';
+ctx.fillRect(0, 0, 100, 50)
+ctx.fillStyle = '#f00';
+ctx.fillRect(40, 20, 20, 20)
+ctx.putImageData(imgdata, -20, -10, 60, 30, 20, 20);
+_assertPixelApprox(offscreenCanvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255", 2);
+_assertPixelApprox(offscreenCanvas, 35,25, 0,255,0,255, "35,25", "0,255,0,255", 2);
+_assertPixelApprox(offscreenCanvas, 65,25, 0,255,0,255, "65,25", "0,255,0,255", 2);
+_assertPixelApprox(offscreenCanvas, 50,15, 0,255,0,255, "50,15", "0,255,0,255", 2);
+_assertPixelApprox(offscreenCanvas, 50,45, 0,255,0,255, "50,45", "0,255,0,255", 2);
+
+t.done();
+
+});
+done();