1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Function/length/S15.3.5.1_A3_T1.js b/js/src/tests/test262/built-ins/Function/length/S15.3.5.1_A3_T1.js
new file mode 100644
index 0000000000..0730211a22
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/length/S15.3.5.1_A3_T1.js
@@ -0,0 +1,38 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: the length property has the attributes { ReadOnly }
+es5id: 15.3.5.1_A3_T1
+description: >
+    Checking if varying the length property of
+    Function("arg1,arg2,arg3","arg4,arg5", null) fails
+includes: [propertyHelper.js]
+---*/
+
+var f = new Function("arg1,arg2,arg3", "arg4,arg5", null);
+
+assert(f.hasOwnProperty('length'));
+
+var flength = f.length;
+
+verifyNotWritable(f, "length", null, function() {});
+
+assert.sameValue(f.length, flength);
+
+try {
+  f.length();
+  throw new Test262Error('#3: the function.length property has the attributes ReadOnly');
+} catch (e) {
+  if (e instanceof Test262Error) {
+    throw e;
+  }
+}
+
+if (f.length !== 5) {
+  throw new Test262Error('#4: the length property has the attributes { ReadOnly }');
+}
+
+// TODO: Convert to verifyProperty() format.
+
+reportCompare(0, 0);