Integer conversions (to* methods).

Add NumberTest, NumberConversionFIF.

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

@@ -32,7 +32,7 @@ public final class NativeInteropTest extends SingleFileTranslationTest {
     private static final String NATIVE = "native/";
 
     public NativeInteropTest() {
-        super("native/");
+        super(NATIVE);
     }
 
     @NotNull

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

@@ -0,0 +1,32 @@
+/*
+ * 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 NumberTest extends SingleFileTranslationTest {
+    public NumberTest() {
+        super("number/");
+    }
+
+    public void testIntConversions() throws Exception {
+        fooBoxTest();
+    }
+}