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-rw-r--r--js/src/tests/test262/built-ins/Number/15.7.4-1.js14
1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Number/15.7.4-1.js b/js/src/tests/test262/built-ins/Number/15.7.4-1.js
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index 0000000000..405e0491f8
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+++ b/js/src/tests/test262/built-ins/Number/15.7.4-1.js
@@ -0,0 +1,14 @@
+// Copyright (c) 2012 Ecma International. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.7.4-1
+description: "Number prototype object: its [[Class]] must be 'Number'"
+---*/
+
+var numProto = Object.getPrototypeOf(new Number(42));
+var s = Object.prototype.toString.call(numProto);
+
+assert.sameValue(s, '[object Number]', 's');
+
+reportCompare(0, 0);