export-ns: default skipped for nested namespace

test/language/module-code/namespace/internals/get-nested-namespace-dflt-skip-named-end_FIXTURE.js

@@ -0,0 +1,6 @@
+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+var x;
+export var namedOther = null;
+export { x as default };

test/language/module-code/namespace/internals/get-nested-namespace-dflt-skip-named_FIXTURE.js

@@ -0,0 +1,4 @@
+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+export * as namedns2 from './get-nested-namespace-dflt-skip-named-end_FIXTURE.js';

test/language/module-code/namespace/internals/get-nested-namespace-dflt-skip-prod-end_FIXTURE.js

@@ -0,0 +1,5 @@
+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+export var productionOther = null;
+export default null;

test/language/module-code/namespace/internals/get-nested-namespace-dflt-skip-prod_FIXTURE.js

@@ -0,0 +1,4 @@
+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+export * as productionns2 from './get-nested-namespace-dflt-skip-prod-end_FIXTURE.js';

test/language/module-code/namespace/internals/get-nested-namespace-dflt-skip.js

@@ -0,0 +1,42 @@
+// Copyright (C) 2018 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: >
+  Default exports are not included in an imported module namespace object when a namespace object is created.
+esid: sec-module-namespace-exotic-objects-get-p-receiver
+info: |
+  [...]
+  6. Let binding be ! m.ResolveExport(P, « »).
+  7. Assert: binding is a ResolvedBinding Record.
+  8. Let targetModule be binding.[[Module]].
+  9. Assert: targetModule is not undefined.
+  10. If binding.[[BindingName]] is "*namespace*", then
+  11. Return ? GetModuleNamespace(targetModule).
+
+  Runtime Semantics: GetModuleNamespace
+  [...]
+    3. If namespace is undefined, then
+       a. Let exportedNames be ? module.GetExportedNames(« »).
+       b. Let unambiguousNames be a new empty List.
+       c. For each name that is an element of exportedNames,
+          i. Let resolution be ? module.ResolveExport(name, « », « »).
+          ii. If resolution is null, throw a SyntaxError exception.
+          iii. If resolution is not "ambiguous", append name to
+               unambiguousNames.
+       d. Let namespace be ModuleNamespaceCreate(module, unambiguousNames).
+  [...]
+flags: [module]
+  ---*/
+
+import * as namedns1 from './get-nested-namespace-dflt-skip-named_FIXTURE.js';
+import * as productionns1 from './get-nested-namespace-dflt-skip-prod_FIXTURE.js';
+
+assert('namedOther' in namedns1.namedns2);
+assert.sameValue(
+  'default' in namedns1.namedns2, false, 'default specified via identifier'
+);
+
+assert('productionOther' in productionns1.productionns2);
+assert.sameValue(
+  'default' in productionns1.productionns2, false, 'default specified via dedicated production'
+);