Implement named arguments in InstanceMirror.invoke.

dart/tests/lib/mirrors/invoke_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library test.invoke_test;
 
 import 'dart:mirrors';
 
+import 'dart:async' show Future;
+
 import 'package:expect/expect.dart';
 import "package:async_helper/async_helper.dart";
 
 class C {
   var field;
   C() : this.field = 'default';
   C.named(this.field);
 
   get getter => 'get $field';
   set setter(v) => field = 'set $v';
   method(x, y, z) => '$x+$y+$z';
   toString() => 'a C';
-  
+
   noSuchMethod(invocation) => 'DNU';
 
   static var staticField = 'initial';
   static get staticGetter => 'sget $staticField';
   static set staticSetter(v) => staticField = 'sset $v';
   static staticFunction(x, y) => "($x,$y)";
 }
 
 var libraryField = 'a priori';
 get libraryGetter => 'lget $libraryField';
 set librarySetter(v) => libraryField = 'lset $v';
 libraryFunction(x,y) => '$x$y';
 
 Future expectValueThen(Future future, Function onValue) {
   asyncStart();
-  wrappedOnValue(resultIn) { 
+  wrappedOnValue(resultIn) {
     var resultOut = onValue(resultIn);
     asyncEnd();
     return resultOut;
   }
   onError(e) {
     Expect.fail("Value expected. ($e)");
   }
   return future.then(wrappedOnValue, onError: onError);
 }
 
 Future expectError(Future future, Function errorPredicate, String reason) {
   asyncStart();
-  onValue(result) { 
+  onValue(result) {
     Expect.fail("Error expected ($reason)");
   }
   onError(e) {
     asyncEnd();
     if (!errorPredicate(e)) {
       Expect.fail("Unexpected error ($reason)");
     }
   }
   return future.then(onValue, onError: onError);
 }
@@ skipping 205 matching lines @@
 
   // ClassMirror invokeSetter
   future = cm.setFieldAsync(const Symbol('staticSetter'), 'sfoo');
   expectValueThen(future, (result) {
     Expect.equals('sfoo', result.reflectee);
     Expect.equals('sset sfoo', C.staticField);
     return cm.setFieldAsync(const Symbol('staticField'), 'sbar');
   }).then((result) {
     Expect.equals('sbar', result.reflectee);
     Expect.equals('sbar', C.staticField);
-    return cm.setFieldAsync(const Symbol('staticField'), im);;
+    return cm.setFieldAsync(const Symbol('staticField'), im);
   }).then((result) {
     Expect.equals(im.reflectee, result.reflectee);
     Expect.equals(c, C.staticField);
   });
   future = cm.setFieldAsync(const Symbol('doesntExist'), 'sbar');
   expectError(future, isNoSuchMethodError, 'Not defined');
 
   // ClassMirror invokeConstructor
   future = cm.newInstanceAsync(const Symbol(''), []);
   expectValueThen(future, (result) {
@@ skipping 59 matching lines @@
     Expect.equals(c, libraryField);
   });
   future = lm.setFieldAsync(const Symbol('doesntExist'), 'lbar');
   expectError(future, isNoSuchMethodError, 'Not defined');
 }
 
 main() {
   testSync();
   testAsync();
 }