diff --git a/test/form/namespace-optimization-b/_config.js b/test/form/namespace-optimization-b/_config.js
new file mode 100644
index 0000000..8dd58ca
--- /dev/null
+++ b/test/form/namespace-optimization-b/_config.js
@@ -0,0 +1,3 @@
+module.exports = {
+	description: 'it does static lookup optimization of internal namespaces, coping with multiple namespaces in one function'
+};
diff --git a/test/form/namespace-optimization-b/_expected/amd.js b/test/form/namespace-optimization-b/_expected/amd.js
new file mode 100644
index 0000000..dfdc405
--- /dev/null
+++ b/test/form/namespace-optimization-b/_expected/amd.js
@@ -0,0 +1,15 @@
+define(function () { 'use strict';
+
+  function foo() {
+  }
+
+  function a() {
+    foo();
+    foo();
+    var a;
+    if (a.b) {
+    }
+  }
+  a();
+
+});
diff --git a/test/form/namespace-optimization-b/_expected/cjs.js b/test/form/namespace-optimization-b/_expected/cjs.js
new file mode 100644
index 0000000..dde7292
--- /dev/null
+++ b/test/form/namespace-optimization-b/_expected/cjs.js
@@ -0,0 +1,13 @@
+'use strict';
+
+function foo() {
+}
+
+function a() {
+  foo();
+  foo();
+  var a;
+  if (a.b) {
+  }
+}
+a();
\ No newline at end of file
diff --git a/test/form/namespace-optimization-b/_expected/es6.js b/test/form/namespace-optimization-b/_expected/es6.js
new file mode 100644
index 0000000..d424ea2
--- /dev/null
+++ b/test/form/namespace-optimization-b/_expected/es6.js
@@ -0,0 +1,11 @@
+function foo() {
+}
+
+function a() {
+  foo();
+  foo();
+  var a;
+  if (a.b) {
+  }
+}
+a();
\ No newline at end of file
diff --git a/test/form/namespace-optimization-b/_expected/iife.js b/test/form/namespace-optimization-b/_expected/iife.js
new file mode 100644
index 0000000..8200fa0
--- /dev/null
+++ b/test/form/namespace-optimization-b/_expected/iife.js
@@ -0,0 +1,15 @@
+(function () { 'use strict';
+
+  function foo() {
+  }
+
+  function a() {
+    foo();
+    foo();
+    var a;
+    if (a.b) {
+    }
+  }
+  a();
+
+})();
\ No newline at end of file
diff --git a/test/form/namespace-optimization-b/_expected/umd.js b/test/form/namespace-optimization-b/_expected/umd.js
new file mode 100644
index 0000000..3fc19c3
--- /dev/null
+++ b/test/form/namespace-optimization-b/_expected/umd.js
@@ -0,0 +1,19 @@
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? factory() :
+  typeof define === 'function' && define.amd ? define(factory) :
+  factory();
+}(this, function () { 'use strict';
+
+  function foo() {
+  }
+
+  function a() {
+    foo();
+    foo();
+    var a;
+    if (a.b) {
+    }
+  }
+  a();
+
+}));
\ No newline at end of file
diff --git a/test/form/namespace-optimization-b/foo.js b/test/form/namespace-optimization-b/foo.js
new file mode 100644
index 0000000..20630ba
--- /dev/null
+++ b/test/form/namespace-optimization-b/foo.js
@@ -0,0 +1,2 @@
+export function foo() {
+};
diff --git a/test/form/namespace-optimization-b/main.js b/test/form/namespace-optimization-b/main.js
new file mode 100644
index 0000000..041ecb1
--- /dev/null
+++ b/test/form/namespace-optimization-b/main.js
@@ -0,0 +1,10 @@
+import * as foo from './foo';
+
+function a() {
+  foo.foo();
+  foo.foo();
+  var a;
+  if (a.b) {
+  }
+}
+a();
\ No newline at end of file