Added method map to Collection interface and all its implementations (except classes generated fr...

tests/corelib/src/ListTest.dart

 // Copyright (c) 2011, 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.
 
 class ListTest {
 
   static testMain() {
     testList();
     testExpandableList();
   }
 
   static void expectValues(list, val1, val2, val3, val4) {
     Expect.equals(true, list.length == 4);
     Expect.equals(true, list.length == 4);
     Expect.equals(true, !list.isEmpty());
     Expect.equals(list[0], val1);
     Expect.equals(list[1], val2);
     Expect.equals(list[2], val3);
     Expect.equals(list[3], val4);
   }
 
   static void testClosures(List list) {
+    testMap(val) {return val * 2 + 10; }
+    Collection mapped = list.map(testMap);
+    Expect.equals(mapped.length, list.length);
+    for (var i = 0; i < list.length; i++) {
+      Expect.equals(mapped[i], list[i]*2 + 10);
+    }
+
     testFilter(val) { return val == 3; }
     Collection filtered = list.filter(testFilter);
     Expect.equals(filtered.length, 1);
 
     testEvery(val) { return val != 11; }
     bool test = list.every(testEvery);
     Expect.equals(true, test);
 
     testSome(val) { return val == 1; }
     test = list.some(testSome);
@@ skipping 65 matching lines @@
     list.clear();
     Expect.equals(list.length, 0);
     Expect.equals(list.length, 0);
     Expect.equals(true, list.isEmpty());
   }
 }
 
 main() {
   ListTest.testMain();
 }