[js-tests] Add test case for Object#preventExtension. (#1251)

• From: iseki <web-platform-tests-notifications@w3.org>
• Date: Tue, 23 Sep 2014 04:42:26 GMT
• To: public-web-platform-tests-notifications@w3.org
• Message-Id: <<web-platform-tests_issue_1251@w3.org>>

Please take a look.

View on GitHub: https://github.com/w3c/web-platform-tests/pull/1251

Received on Tuesday, 23 September 2014 04:42:32 UTC