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Unified Diff: third_party/WebKit/LayoutTests/security/immutable-prototype.html

Issue 2452073002: Freeze global prototype chain per WebIDL (Closed)
Patch Set: Test improvements Created 4 years, 1 month ago
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Index: third_party/WebKit/LayoutTests/security/immutable-prototype.html
diff --git a/third_party/WebKit/LayoutTests/security/immutable-prototype.html b/third_party/WebKit/LayoutTests/security/immutable-prototype.html
new file mode 100644
index 0000000000000000000000000000000000000000..dff8a6d9ab16aa21e801c65d99a801d61da34e43
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/security/immutable-prototype.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html>
+<script src="../resources/testharness.js"></script>
+<script src="../resources/testharnessreport.js"></script>
+<script src="immutable-prototype.js"></script>
+<script>
+'use strict';
+
+test(() => {
+ let result = prototypeChain(window);
+ assert_array_equals(result,
+ ['immutable', 'immutable', 'immutable', 'immutable', 'immutable']);
+}, 'global object prototype chain should be immutable');
+</script>
+</html>

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