1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/S15.5.3.1_A3.js b/js/src/tests/test262/built-ins/String/prototype/S15.5.3.1_A3.js
new file mode 100644
index 0000000000..87f0a07b0c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/S15.5.3.1_A3.js
@@ -0,0 +1,42 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: The String.prototype property has the attribute DontDelete
+es5id: 15.5.3.1_A3
+description: Checking if deleting the String.prototype property fails
+includes: [propertyHelper.js]
+---*/
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+if (!(String.hasOwnProperty('prototype'))) {
+  throw new Test262Error('#1: String.hasOwnProperty(\'prototype\') return true. Actual: ' + String.hasOwnProperty('prototype'));
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+verifyNotConfigurable(String, "prototype");
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#2
+try {
+  if ((delete String.prototype) !== false) {
+    throw new Test262Error('#2: String.prototype has the attribute DontDelete');
+  }
+} catch (e) {
+  if (e instanceof Test262Error) throw e;
+  assert(e instanceof TypeError);
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#3
+if (!(String.hasOwnProperty('prototype'))) {
+  throw new Test262Error('#3: delete String.prototype; String.hasOwnProperty(\'prototype\') return true. Actual: ' + String.hasOwnProperty('prototype'));
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+reportCompare(0, 0);