Import wpt@5915964199b07226bf6d8fbb177a63b1f272907a

third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/the-canvas-state/2d.state.saverestore.stack.worker.js

Index: third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/the-canvas-state/2d.state.saverestore.stack.worker.js
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/the-canvas-state/2d.state.saverestore.stack.worker.js b/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/the-canvas-state/2d.state.saverestore.stack.worker.js
new file mode 100644
index 0000000000000000000000000000000000000000..5a0f74b8ab96c1bdd87d75e5888df67ccb665468
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/the-canvas-state/2d.state.saverestore.stack.worker.js
@@ -0,0 +1,29 @@
+// DO NOT EDIT! This test has been generated by tools/gentest.py.
+// OffscreenCanvas test in a worker:2d.state.saverestore.stack
+// Description:save()/restore() can be nested as a stack
+// Note:
+
+importScripts("/resources/testharness.js");
+importScripts("/common/canvas-tests.js");
+
+var t = async_test("save()/restore() can be nested as a stack");
+t.step(function() {
+
+var offscreenCanvas = new OffscreenCanvas(100, 50);
+var ctx = offscreenCanvas.getContext('2d');
+
+ctx.lineWidth = 1;
+ctx.save();
+ctx.lineWidth = 2;
+ctx.save();
+ctx.lineWidth = 3;
+_assertSame(ctx.lineWidth, 3, "ctx.lineWidth", "3");
+ctx.restore();
+_assertSame(ctx.lineWidth, 2, "ctx.lineWidth", "2");
+ctx.restore();
+_assertSame(ctx.lineWidth, 1, "ctx.lineWidth", "1");
+
+t.done();
+
+});
+done();