1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/toString/S15.10.6.4_A7.js b/js/src/tests/test262/built-ins/RegExp/prototype/toString/S15.10.6.4_A7.js
new file mode 100644
index 0000000000..334fcc1f4d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/prototype/toString/S15.10.6.4_A7.js
@@ -0,0 +1,33 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: RegExp.prototype.toString can't be used as constructor
+es5id: 15.10.6.4_A7
+description: Checking if creating the RegExp.prototype.toString object fails
+includes: [isConstructor.js]
+features: [Reflect.construct]
+---*/
+
+var __FACTORY = RegExp.prototype.toString;
+
+try {
+    var __instance = new __FACTORY;
+    throw new Test262Error('#1.1: __FACTORY = RegExp.prototype.toString throw TypeError. Actual: ' + (__instance));
+} catch (e) {
+  assert.sameValue(
+    e instanceof TypeError,
+    true,
+    'The result of evaluating (e instanceof TypeError) is expected to be true'
+  );
+}
+
+assert.sameValue(
+  isConstructor(RegExp.prototype.toString),
+  false,
+  'isConstructor(RegExp.prototype.toString) must return false'
+);
+
+// TODO: Convert to assert.throws() format.
+
+reportCompare(0, 0);