1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/NaN/S15.1.1.1_A4.js b/js/src/tests/test262/built-ins/NaN/S15.1.1.1_A4.js
new file mode 100644
index 0000000000..86a17cc3e8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/NaN/S15.1.1.1_A4.js
@@ -0,0 +1,17 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: The NaN is DontEnum
+es5id: 15.1.1.1_A3.2
+description: Use for-in statement
+---*/
+
+// CHECK#1
+for (var prop in this) {
+  assert.notSameValue(prop, "NaN", 'The value of prop is not "NaN"');
+}
+
+// TODO: Convert to verifyProperty() format.
+
+reportCompare(0, 0);