1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/toUpperCase/S15.5.4.18_A1_T8.js b/js/src/tests/test262/built-ins/String/prototype/toUpperCase/S15.5.4.18_A1_T8.js
new file mode 100644
index 0000000000..5ad34efd9c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/toUpperCase/S15.5.4.18_A1_T8.js
@@ -0,0 +1,16 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: String.prototype.toUpperCase()
+es5id: 15.5.4.18_A1_T8
+description: Call toUpperCase() function of Infinity;
+---*/
+
+Number.prototype.toUpperCase = String.prototype.toUpperCase;
+
+if (Infinity.toUpperCase() !== "INFINITY") {
+  throw new Test262Error('#1: Number.prototype.toUpperCase = String.prototype.toUpperCase; Infinity.toUpperCase()=== "INFINITY". Actual: ' + Infinity.toUpperCase());
+}
+
+reportCompare(0, 0);