Support a simple case with nested namespaces.

js/js.tests/test/org/jetbrains/k2js/test/semantics/NamespaceTest.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.k2js.test.semantics;
+
+import org.jetbrains.k2js.test.SingleFileTranslationTest;
+
+/**
+ * @author Pavel Talanov
+ */
+public final class NamespaceTest extends SingleFileTranslationTest {
+    public NamespaceTest() {
+        super("namespace/");
+    }
+
+    public void testNestedNamespace() throws Exception {
+        runFunctionOutputTest("nestedNamespace.kt", "foo.bar", "box", true);
+    }
+
+    public void testDeeplyNestedNamespace() throws Exception {
+        runFunctionOutputTest("deeplyNestedNamespace.kt", "foo1.foo2.foo3.foo5.foo6.foo7.foo8", "box", true);
+    }
+
+}

js/js.translator/src/org/jetbrains/k2js/translate/declaration/NamespaceDeclarationTranslator.java

@@ -31,6 +31,7 @@ import java.util.Set;
 
 import static org.jetbrains.k2js.translate.utils.BindingUtils.getAllNonNativeNamespaceDescriptors;
 import static org.jetbrains.k2js.translate.utils.DescriptorUtils.getAllClassesDefinedInNamespace;
+import static org.jetbrains.k2js.translate.utils.NamespaceSortingUtils.sortNamespacesUsingQualificationOrder;
 
 /**
  * @author Pavel Talanov
@@ -50,7 +51,7 @@ public final class NamespaceDeclarationTranslator extends AbstractTranslator {
     private NamespaceDeclarationTranslator(@NotNull List<NamespaceDescriptor> namespaceDescriptors,
                                            @NotNull TranslationContext context) {
         super(context);
-        this.namespaceDescriptors = namespaceDescriptors;
+        this.namespaceDescriptors = sortNamespacesUsingQualificationOrder(namespaceDescriptors);
         this.classDeclarationTranslator = new ClassDeclarationTranslator(getAllClasses(), context);
     }
 

js/js.translator/testFiles/namespace/cases/deeplyNestedNamespace.kt

@@ -0,0 +1,3 @@
+package foo1.foo2.foo3.foo5.foo6.foo7.foo8
+
+fun box() = true

js/js.translator/testFiles/namespace/cases/nestedNamespace.kt

@@ -0,0 +1,3 @@
+package foo.bar
+
+fun box() = true