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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: Also freeze named properties objects Created 4 years, 2 months 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..6d4ebfd442d725267683c3adf18262674ff820f9
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/security/immutable-prototype.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+<script>
+'use strict';
+
+var global = window;
+
+while (global !== null) {
+ let thrown = false;
+ let next = global.__proto__;
+ try {
+ global.__proto__ = {};
+ } catch (e) {
+ console.log(e.message);
+ thrown = true;
+ }
+ if (!thrown) console.log("Got through--FIXME");
+ global = next;
+}
+if (window.testRunner) {
+ testRunner.dumpAsText();
+ testRunner.notifyDone();
+}
+</script>
+</html>
+
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