Import wpt@5915964199b07226bf6d8fbb177a63b1f272907a

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

Index: third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/the-canvas-state/2d.state.saverestore.stackdepth.worker.js
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/the-canvas-state/2d.state.saverestore.stackdepth.worker.js b/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/the-canvas-state/2d.state.saverestore.stackdepth.worker.js
new file mode 100644
index 0000000000000000000000000000000000000000..58a28e0ec8858c2fe28b68357307ce92d3f838b1
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/imported/wpt/offscreen-canvas/the-canvas-state/2d.state.saverestore.stackdepth.worker.js
@@ -0,0 +1,30 @@
+// DO NOT EDIT! This test has been generated by tools/gentest.py.
+// OffscreenCanvas test in a worker:2d.state.saverestore.stackdepth
+// Description:save()/restore() stack depth is not unreasonably limited
+// Note:
+
+importScripts("/resources/testharness.js");
+importScripts("/common/canvas-tests.js");
+
+var t = async_test("save()/restore() stack depth is not unreasonably limited");
+t.step(function() {
+
+var offscreenCanvas = new OffscreenCanvas(100, 50);
+var ctx = offscreenCanvas.getContext('2d');
+
+var limit = 512;
+for (var i = 1; i < limit; ++i)
+{
+    ctx.save();
+    ctx.lineWidth = i;
+}
+for (var i = limit-1; i > 0; --i)
+{
+    _assertSame(ctx.lineWidth, i, "ctx.lineWidth", "i");
+    ctx.restore();
+}
+
+t.done();
+
+});
+done();