add test

translator/src/org/jetbrains/k2js/K2JSTranslator.java

@@ -40,7 +40,7 @@ public final class K2JSTranslator {
     public K2JSTranslator() {
     }
 
-    public void translate(String inputFile, String outputFile) throws Exception {
+    public void translateFile(String inputFile, String outputFile) throws Exception {
 
         try {
 

translator/src/org/jetbrains/k2js/translate/context/StandardClasses.java

@@ -73,19 +73,21 @@ public final class StandardClasses {
         ClassDescriptor iteratorClass = (ClassDescriptor)
                 standardLibrary.getLibraryScope().getClassifier("Iterator");
         assert iteratorClass != null;
-        standardClasses.declareStandardTopLevelObject(iteratorClass, "ArrayIterator");
+        standardClasses.declareTopLevel(iteratorClass, "ArrayIterator");
         declareMethods(standardClasses, getFQName(iteratorClass), "next", "hasNext");
     }
 
     private static void declareArray(@NotNull StandardClasses standardClasses,
                                      @NotNull JetStandardLibrary standardLibrary) {
         ClassDescriptor arrayClass = standardLibrary.getArray();
-        standardClasses.declareStandardTopLevelObject(arrayClass, "Array");
+        standardClasses.declareTopLevel(arrayClass, "Array");
         FunctionDescriptor nullConstructorFunction = getFunctionByName(standardLibrary.getLibraryScope(), "Array");
-        standardClasses.declareStandardTopLevelObject(nullConstructorFunction, "array");
+        standardClasses.declareTopLevel(nullConstructorFunction, "array");
         PropertyDescriptor sizeProperty =
                 getPropertyByName(arrayClass.getDefaultType().getMemberScope(), "size");
-        standardClasses.declareStandardInnerDeclaration(sizeProperty, "size");
+        standardClasses.declareInner(sizeProperty, "size");
+        PropertyDescriptor indices = getPropertyByName(arrayClass.getDefaultType().getMemberScope(), "indices");
+        standardClasses.declareInner(indices, "indices");
     }
 
 
@@ -120,8 +122,8 @@ public final class StandardClasses {
         this.kotlinScope = kotlinScope;
     }
 
-    private void declareStandardTopLevelObject(@NotNull DeclarationDescriptor descriptor,
-                                               @NotNull String kotlinLibName) {
+    private void declareTopLevel(@NotNull DeclarationDescriptor descriptor,
+                                 @NotNull String kotlinLibName) {
         declareStandardTopLevelObject(DescriptorUtils.getFQName(descriptor), kotlinLibName);
     }
 
@@ -130,8 +132,8 @@ public final class StandardClasses {
         scopeMap.put(fullQualifiedName, new JsScope(kotlinScope, "standard object " + kotlinLibName));
     }
 
-    private void declareStandardInnerDeclaration(@NotNull DeclarationDescriptor descriptor,
-                                                 @NotNull String kotlinLibName) {
+    private void declareInner(@NotNull DeclarationDescriptor descriptor,
+                              @NotNull String kotlinLibName) {
         String containingFQName = DescriptorUtils.getFQName(getContainingDeclaration(descriptor));
         declareStandardInnerDeclaration(containingFQName, descriptor.getName(), kotlinLibName);
     }

translator/test/org/jetbrains/k2js/test/SystemTest.java

@@ -58,6 +58,23 @@ public final class SystemTest extends JavaClassesTest {
                 "Out: array has only 3 elements. x = 4\n" +
                 "Yes: array contains aaa\n" +
                 "No: array doesn't contains ddd\n", "4");
+
+        checkOutput("ranges.kt", " 1 2 3 4 5\n" +
+                "Out: array has only 3 elements. x = 10\n" +
+                "Yes: array contains aaa\n" +
+                "No: array doesn't contains ddd\n", "10");
+    }
+
+    @Test
+    public void forLoop() throws Exception {
+        checkOutput("forLoop.kt", "a\n" +
+                "b\n" +
+                "c\n" +
+                "\n" +
+                "a\n" +
+                "b\n" +
+                "c\n", "a", "b", "c");
+        checkOutput("forLoop.kt", "123\n\n123\n", "123");
     }
 
 }

translator/test/org/jetbrains/k2js/test/TranslationTest.java

@@ -57,7 +57,7 @@ public abstract class TranslationTest {
     }
 
     protected void translateFile(String filename) throws Exception {
-        (new K2JSTranslator()).translate(getInputFilePath(filename), getOutputFilePath(filename));
+        (new K2JSTranslator()).translateFile(getInputFilePath(filename), getOutputFilePath(filename));
     }
 
     protected List<String> generateFilenameList(String inputFile) {

translator/testFiles/java/system/cases/forLoop.kt

@@ -0,0 +1,9 @@
+fun main(args : Array<String>) {
+  for (arg in args)
+    System.out?.println(arg)
+
+  // or
+  System.out?.println()
+  for (i in args.indices)
+    System.out?.println(args[i])
+}

translator/testFiles/kotlin_lib.js

@@ -493,6 +493,9 @@ Kotlin.Array = Class.create({
     },
     iterator:function () {
         return new Kotlin.ArrayIterator(this);
+    },
+    indices:function() {
+        return new Kotlin.NumberRange(0, this.size(), false);
     }
 });