1 files changed, 31 insertions, 0 deletions
diff --git a/testing/web-platform/tests/2dcontext/the-canvas-state/2d.state.saverestore.underflow.html b/testing/web-platform/tests/2dcontext/the-canvas-state/2d.state.saverestore.underflow.html
new file mode 100644
index 000000000..c965b0256
--- /dev/null
+++ b/testing/web-platform/tests/2dcontext/the-canvas-state/2d.state.saverestore.underflow.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
+<title>Canvas test: 2d.state.saverestore.underflow</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/common/canvas-tests.js"></script>
+<link rel="stylesheet" href="/common/canvas-tests.css">
+<body class="show_output">
+
+<h1>2d.state.saverestore.underflow</h1>
+<p class="desc">restore() with an empty stack has no effect</p>
+
+
+<p class="output">Actual output:</p>
+<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+
+<ul id="d"></ul>
+<script>
+var t = async_test("restore() with an empty stack has no effect");
+_addTest(function(canvas, ctx) {
+
+for (var i = 0; i < 16; ++i)
+    ctx.restore();
+ctx.lineWidth = 0.5;
+ctx.restore();
+_assertSame(ctx.lineWidth, 0.5, "ctx.lineWidth", "0.5");
+
+
+});
+</script>
+