Supporting Unit.VALUE, to replace #()

#KT-2358 In Progress

compiler/tests/org/jetbrains/jet/checkers/JetDiagnosticsTestGenerated.java

@@ -3278,6 +3278,11 @@ public class JetDiagnosticsTestGenerated extends AbstractDiagnosticsTestWithEage
                 doTest("compiler/testData/diagnostics/tests/tuples/BasicTuples.kt");
             }
             
+            @TestMetadata("UnitValue.kt")
+            public void testUnitValue() throws Exception {
+                doTest("compiler/testData/diagnostics/tests/tuples/UnitValue.kt");
+            }
+            
         }
         
         @TestMetadata("compiler/testData/diagnostics/tests/varargs")

compiler/tests/org/jetbrains/jet/codegen/TupleGenTest.java

@@ -22,6 +22,12 @@ public class TupleGenTest extends CodegenTestCase {
     public void testBasic() {
         createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
         blackBoxFile("/tuples/basic.jet");
+//        System.out.println(generateToText());
+    }
+
+    public void testUnitValue() {
+        createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.JDK_ONLY);
+        blackBoxFile("/tuples/UnitValue.kt");
 //        System.out.println(generateToText());
     }
 }