diff --git a/test/language/module-code/namespace/internals/enumerate-binding-uninit.js b/test/language/module-code/namespace/internals/enumerate-binding-uninit.js
new file mode 100644
index 0000000000000000000000000000000000000000..a56408e8d80c5b1806e2916c8ec4debe352951d8
--- /dev/null
+++ b/test/language/module-code/namespace/internals/enumerate-binding-uninit.js
@@ -0,0 +1,42 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+id: sec-enumerate-object-properties
+info: >
+ Test for-in enumeration with uninitialized binding.
+description: |
+ 13.7.5.15 EnumerateObjectProperties (O)
+ ...
+ EnumerateObjectProperties must obtain the own property keys of the
+ target object by calling its [[OwnPropertyKeys]] internal method.
+ Property attributes of the target object must be obtained by
+ calling its [[GetOwnProperty]] internal method.
+
+ 9.4.6.4 [[GetOwnProperty]] (P)
+ ...
+ 4. Let value be ? O.[[Get]](P, O).
+ ...
+
+ 9.4.6.7 [[Get]] (P, Receiver)
+ ...
+ 12. Let targetEnvRec be targetEnv's EnvironmentRecord.
+ 13. Return ? targetEnvRec.GetBindingValue(binding.[[BindingName]], true).
+
+ 8.1.1.1.6 GetBindingValue ( N, S )
+ ...
+ If the binding for N in envRec is an uninitialized binding, throw a ReferenceError exception.
+ ...
+
+flags: [module]
+---*/
+
+import* as self from "./enumerate-binding-uninit.js";
+
+assert.throws(ReferenceError, function() {
+ for (var key in self) {
+ throw new Test262Error();
+ }
+});
+
+export default 0;
diff --git a/test/language/module-code/namespace/internals/object-hasOwnProperty-binding-uninit.js b/test/language/module-code/namespace/internals/object-hasOwnProperty-binding-uninit.js
new file mode 100644
index 0000000000000000000000000000000000000000..fc90814fbbbe4fae403de3c00981ff60e5b7df22
--- /dev/null
+++ b/test/language/module-code/namespace/internals/object-hasOwnProperty-binding-uninit.js
@@ -0,0 +1,42 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+id: sec-object.prototype.hasownproperty
+info: >
+ Test Object.prototype.hasOwnProperty() with uninitialized binding.
+description: |
+ 19.1.3.2 Object.prototype.hasOwnProperty ( V )
+ ...
+ 3. Return ? HasOwnProperty(O, P).
+
+ 7.3.11 HasOwnProperty ( O, P )
+ ...
+ 3. Let desc be ? O.[[GetOwnProperty]](P).
+ ...
+
+ 9.4.6.4 [[GetOwnProperty]] (P)
+ ...
+ 4. Let value be ? O.[[Get]](P, O).
+ ...
+
+ 9.4.6.7 [[Get]] (P, Receiver)
+ ...
+ 12. Let targetEnvRec be targetEnv's EnvironmentRecord.
+ 13. Return ? targetEnvRec.GetBindingValue(binding.[[BindingName]], true).
+
+ 8.1.1.1.6 GetBindingValue ( N, S )
+ ...
+ If the binding for N in envRec is an uninitialized binding, throw a ReferenceError exception.
+ ...
+
+flags: [module]
+---*/
+
+import* as self from "./object-hasOwnProperty-binding-uninit.js";
+
+assert.throws(ReferenceError, function() {
+ Object.prototype.hasOwnProperty.call(self, "default");
+});
+
+export default 0;
diff --git a/test/language/module-code/namespace/internals/object-keys-binding-uninit.js b/test/language/module-code/namespace/internals/object-keys-binding-uninit.js
new file mode 100644
index 0000000000000000000000000000000000000000..842ae50d6e72dc381cdac91719f5010f29e4a14d
--- /dev/null
+++ b/test/language/module-code/namespace/internals/object-keys-binding-uninit.js
@@ -0,0 +1,45 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+id: sec-object.keys
+info: >
+ Test Object.keys() with uninitialized binding.
+description: |
+ 19.1.2.16 Object.keys ( O )
+ ...
+ 2. Let nameList be ? EnumerableOwnProperties(obj, "key").
+ ...
+
+ 7.3.21 EnumerableOwnProperties ( O, kind )
+ ...
+ 4. For each element key of ownKeys in List order, do
+ a. If Type(key) is String, then
+ i. Let desc be ? O.[[GetOwnProperty]](key).
+ ...
+
+ 9.4.6.4 [[GetOwnProperty]] (P)
+ ...
+ 4. Let value be ? O.[[Get]](P, O).
+ ...
+
+ 9.4.6.7 [[Get]] (P, Receiver)
+ ...
+ 12. Let targetEnvRec be targetEnv's EnvironmentRecord.
+ 13. Return ? targetEnvRec.GetBindingValue(binding.[[BindingName]], true).
+
+ 8.1.1.1.6 GetBindingValue ( N, S )
+ ...
+ If the binding for N in envRec is an uninitialized binding, throw a ReferenceError exception.
+ ...
+
+flags: [module]
+---*/
+
+import* as self from "./object-keys-binding-uninit.js";
+
+assert.throws(ReferenceError, function() {
+ Object.keys(self);
+});
+
+export default 0;
diff --git a/test/language/module-code/namespace/internals/object-propertyIsEnumerable-binding-uninit.js b/test/language/module-code/namespace/internals/object-propertyIsEnumerable-binding-uninit.js
new file mode 100644
index 0000000000000000000000000000000000000000..285a6c9af28f9f1ed772310fe7b322245beec7ff
--- /dev/null
+++ b/test/language/module-code/namespace/internals/object-propertyIsEnumerable-binding-uninit.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2017 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+id: sec-object.prototype.propertyisenumerable
+info: >
+ Test Object.prototype.propertyIsEnumerable() with uninitialized binding.
+description: |
+ 19.1.3.4 Object.prototype.propertyIsEnumerable ( V )
+ ...
+ 3. Let desc be ? O.[[GetOwnProperty]](P).
+ ...
+
+ 9.4.6.4 [[GetOwnProperty]] (P)
+ ...
+ 4. Let value be ? O.[[Get]](P, O).
+ ...
+
+ 9.4.6.7 [[Get]] (P, Receiver)
+ ...
+ 12. Let targetEnvRec be targetEnv's EnvironmentRecord.
+ 13. Return ? targetEnvRec.GetBindingValue(binding.[[BindingName]], true).
+
+ 8.1.1.1.6 GetBindingValue ( N, S )
+ ...
+ If the binding for N in envRec is an uninitialized binding, throw a ReferenceError exception.
+ ...
+
+flags: [module]
+---*/
+
+import* as self from "./object-propertyIsEnumerable-binding-uninit.js";
+
+assert.throws(ReferenceError, function() {
+ Object.prototype.propertyIsEnumerable.call(self, "default");
+});
+
+export default 0;