1 files changed, 41 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.put.dirty.outside.worker.js b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.put.dirty.outside.worker.js
new file mode 100644
index 0000000000..87b88a09f4
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/pixel-manipulation/2d.imageData.put.dirty.outside.worker.js
@@ -0,0 +1,41 @@
+// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
+// OffscreenCanvas test in a worker:2d.imageData.put.dirty.outside
+// Description:putImageData() handles dirty rectangles outside the canvas correctly
+// Note:
+
+importScripts("/resources/testharness.js");
+importScripts("/html/canvas/resources/canvas-tests.js");
+
+var t = async_test("putImageData() handles dirty rectangles outside the canvas correctly");
+var t_pass = t.done.bind(t);
+var t_fail = t.step_func(function(reason) {
+    throw reason;
+});
+t.step(function() {
+
+  var canvas = new OffscreenCanvas(100, 50);
+  var ctx = canvas.getContext('2d');
+
+  ctx.fillStyle = '#f00';
+  ctx.fillRect(0, 0, 100, 50)
+
+  var imgdata = ctx.getImageData(0, 0, 100, 50);
+
+  ctx.fillStyle = '#0f0';
+  ctx.fillRect(0, 0, 100, 50)
+
+  ctx.putImageData(imgdata, 100, 20, 20, 20, -20, -20);
+  ctx.putImageData(imgdata, 200, 200, 0, 0, 100, 50);
+  ctx.putImageData(imgdata, 40, 20, -30, -20, 30, 20);
+  ctx.putImageData(imgdata, -30, 20, 0, 0, 30, 20);
+
+  _assertPixelApprox(canvas, 50,25, 0,255,0,255, 2);
+  _assertPixelApprox(canvas, 98,15, 0,255,0,255, 2);
+  _assertPixelApprox(canvas, 98,25, 0,255,0,255, 2);
+  _assertPixelApprox(canvas, 98,45, 0,255,0,255, 2);
+  _assertPixelApprox(canvas, 1,5, 0,255,0,255, 2);
+  _assertPixelApprox(canvas, 1,25, 0,255,0,255, 2);
+  _assertPixelApprox(canvas, 1,45, 0,255,0,255, 2);
+  t.done();
+});
+done();