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-rw-r--r--js/src/tests/test262/language/module-code/instn-local-bndng-fun.js52
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diff --git a/js/src/tests/test262/language/module-code/instn-local-bndng-fun.js b/js/src/tests/test262/language/module-code/instn-local-bndng-fun.js
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+++ b/js/src/tests/test262/language/module-code/instn-local-bndng-fun.js
@@ -0,0 +1,52 @@
+// |reftest| module
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: >
+ Mutable bindings are initialized in the lexical environment record prior to
+ execution for function declarations
+esid: sec-moduledeclarationinstantiation
+info: |
+ [...]
+ 17. For each element d in lexDeclarations do
+ a. For each element dn of the BoundNames of d do
+ i. If IsConstantDeclaration of d is true, then
+ [...]
+ ii. Else,
+ 1. Perform ! envRec.CreateMutableBinding(dn, false).
+ iii. If d is a GeneratorDeclaration production or a
+ FunctionDeclaration production, then
+ 1. Let fo be the result of performing InstantiateFunctionObject
+ for d with argument env.
+ 2. Call envRec.InitializeBinding(dn, fo).
+ [...]
+includes: [fnGlobalObject.js]
+flags: [module]
+---*/
+
+var global = fnGlobalObject();
+
+assert.sameValue(typeof test262, 'function', 'function value is hoisted');
+assert.sameValue(test262(), 'test262', 'hoisted function value is correct');
+assert.sameValue(
+ Object.getOwnPropertyDescriptor(global, 'test262'), undefined
+);
+
+test262 = null;
+assert.sameValue(test262, null, 'binding is mutable');
+assert.sameValue(
+ Object.getOwnPropertyDescriptor(global, 'test262'), undefined
+);
+
+function test262() { return 'test262'; }
+
+assert.sameValue(
+ test262, null, 'binding is not effected by evaluation of declaration'
+);
+assert.sameValue(
+ Object.getOwnPropertyDescriptor(global, 'test262'),
+ undefined,
+ 'global binding is not effected by evaluation of declaration'
+);
+
+reportCompare(0, 0);