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-rw-r--r--js/src/tests/test262/intl402/DateTimeFormat/taint-Object-prototype.js18
1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/DateTimeFormat/taint-Object-prototype.js b/js/src/tests/test262/intl402/DateTimeFormat/taint-Object-prototype.js
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index 0000000000..5dd7b61535
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+++ b/js/src/tests/test262/intl402/DateTimeFormat/taint-Object-prototype.js
@@ -0,0 +1,18 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 12.1.1_5
+description: >
+ Tests that the behavior of a Record is not affected by
+ adversarial changes to Object.prototype.
+author: Norbert Lindenberg
+includes: [testIntl.js]
+---*/
+
+taintProperties(["localeMatcher"]);
+
+var locale = new Intl.DateTimeFormat(undefined, {localeMatcher: "lookup"}).resolvedOptions().locale;
+assert(isCanonicalizedStructurallyValidLanguageTag(locale), "DateTimeFormat returns invalid locale " + locale + ".");
+
+reportCompare(0, 0);