1 files changed, 37 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/line-styles/2d.line.join.parallel.worker.js b/testing/web-platform/tests/html/canvas/offscreen/line-styles/2d.line.join.parallel.worker.js
new file mode 100644
index 0000000000..f5b67dc5a2
--- /dev/null
+++ b/testing/web-platform/tests/html/canvas/offscreen/line-styles/2d.line.join.parallel.worker.js
@@ -0,0 +1,37 @@
+// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
+// OffscreenCanvas test in a worker:2d.line.join.parallel
+// Description:Line joins are drawn at 180-degree joins
+// Note:
+
+importScripts("/resources/testharness.js");
+importScripts("/html/canvas/resources/canvas-tests.js");
+
+var t = async_test("Line joins are drawn at 180-degree joins");
+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);
+
+  ctx.strokeStyle = '#0f0';
+  ctx.lineWidth = 300;
+  ctx.lineJoin = 'round';
+  ctx.beginPath();
+  ctx.moveTo(-100, 25);
+  ctx.lineTo(0, 25);
+  ctx.lineTo(-100, 25);
+  ctx.stroke();
+
+  _assertPixel(canvas, 1,1, 0,255,0,255);
+  _assertPixel(canvas, 48,1, 0,255,0,255);
+  _assertPixel(canvas, 48,48, 0,255,0,255);
+  _assertPixel(canvas, 1,48, 0,255,0,255);
+  t.done();
+});
+done();