1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Number/NEGATIVE_INFINITY/S15.7.3.5_A2.js b/js/src/tests/test262/built-ins/Number/NEGATIVE_INFINITY/S15.7.3.5_A2.js
new file mode 100644
index 0000000000..483c818acc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Number/NEGATIVE_INFINITY/S15.7.3.5_A2.js
@@ -0,0 +1,21 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: Number.NEGATIVE_INFINITY is ReadOnly
+es5id: 15.7.3.5_A2
+description: Checking if varying Number.NEGATIVE_INFINITY fails
+includes: [propertyHelper.js]
+---*/
+
+// CHECK#1
+verifyNotWritable(Number, "NEGATIVE_INFINITY", null, 1);
+
+assert(
+  !isFinite(Number.NEGATIVE_INFINITY),
+  'The value of !isFinite(Number.NEGATIVE_INFINITY) is expected to be true'
+);
+
+// TODO: Convert to verifyProperty() format.
+
+reportCompare(0, 0);