1 files changed, 33 insertions, 0 deletions
diff --git a/testing/web-platform/tests/content-security-policy/style-src/style-src-none-blocked.html b/testing/web-platform/tests/content-security-policy/style-src/style-src-none-blocked.html
new file mode 100644
index 0000000000..481da87d58
--- /dev/null
+++ b/testing/web-platform/tests/content-security-policy/style-src/style-src-none-blocked.html
@@ -0,0 +1,33 @@
+<!doctype html>
+<html>
+<head>
+    <meta http-equiv="Content-Security-Policy" content="style-src 'none';">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+
+    <script>
+      var t = async_test("Should not stylesheet when style-src is 'none'");
+      var t_spv = async_test("Should fire a securitypolicyviolation event");
+
+      document.addEventListener("securitypolicyviolation", t_spv.step_func_done(function(e) {
+        assert_equals("style-src-elem", e.violatedDirective);
+      }));
+    </script>
+    <link href="/content-security-policy/style-src/resources/style-src.css" rel=stylesheet type=text/css>
+</head>
+<body>
+    <div id='log'></div>
+
+    <div id="content">Lorem ipsum</div>
+
+    <script>
+      t.step(function() {
+        var contentEl = document.getElementById("content");
+        var marginLeftVal = getComputedStyle(contentEl).getPropertyValue('margin-left');
+        assert_not_equals(marginLeftVal, "2px");
+        t.done();
+      });
+    </script>
+
+</body>
+</html>