diff --git a/tests/baselines/reference/namespacesDeclaration.js b/tests/baselines/reference/namespacesDeclaration.js
new file mode 100644
index 0000000000..7c7cfa84af
--- /dev/null
+++ b/tests/baselines/reference/namespacesDeclaration.js
@@ -0,0 +1,22 @@
+//// [namespacesDeclaration.ts]
+
+module M {
+   export namespace N {
+      export module M2 {
+         export interface I {}
+      }
+   }
+}
+
+//// [namespacesDeclaration.js]
+
+
+//// [namespacesDeclaration.d.ts]
+declare module M {
+    namespace N {
+        module M2 {
+            interface I {
+            }
+        }
+    }
+}
diff --git a/tests/baselines/reference/namespacesDeclaration.symbols b/tests/baselines/reference/namespacesDeclaration.symbols
new file mode 100644
index 0000000000..1706f212f3
--- /dev/null
+++ b/tests/baselines/reference/namespacesDeclaration.symbols
@@ -0,0 +1,16 @@
+=== tests/cases/compiler/namespacesDeclaration.ts ===
+
+module M {
+>M : Symbol(M, Decl(namespacesDeclaration.ts, 0, 0))
+
+   export namespace N {
+>N : Symbol(N, Decl(namespacesDeclaration.ts, 1, 10))
+
+      export module M2 {
+>M2 : Symbol(M2, Decl(namespacesDeclaration.ts, 2, 23))
+
+         export interface I {}
+>I : Symbol(I, Decl(namespacesDeclaration.ts, 3, 24))
+      }
+   }
+}
diff --git a/tests/baselines/reference/namespacesDeclaration.types b/tests/baselines/reference/namespacesDeclaration.types
new file mode 100644
index 0000000000..944098097f
--- /dev/null
+++ b/tests/baselines/reference/namespacesDeclaration.types
@@ -0,0 +1,16 @@
+=== tests/cases/compiler/namespacesDeclaration.ts ===
+
+module M {
+>M : any
+
+   export namespace N {
+>N : any
+
+      export module M2 {
+>M2 : any
+
+         export interface I {}
+>I : I
+      }
+   }
+}
diff --git a/tests/cases/compiler/namespacesDeclaration.ts b/tests/cases/compiler/namespacesDeclaration.ts
new file mode 100644
index 0000000000..a231cf2d9d
--- /dev/null
+++ b/tests/cases/compiler/namespacesDeclaration.ts
@@ -0,0 +1,9 @@
+// @declaration: true
+
+module M {
+   export namespace N {
+      export module M2 {
+         export interface I {}
+      }
+   }
+}
\ No newline at end of file