Make first and last getters.

tests/html/element_test.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.
 
 #library('ElementTest');
 #import('../../pkg/unittest/unittest.dart');
 #import('../../pkg/unittest/html_config.dart');
 #import('dart:html');
 
 expectLargeRect(ClientRect rect) {
@@ skipping 479 matching lines @@
     test('changes nodes when an element is added', () {
       var el = new Element.html("<div>Foo<br/><img/></div>");
       el.elements.add(new Element.tag('hr'));
       Expect.equals(4, el.nodes.length);
       Expect.isTrue(el.nodes[3] is HRElement);
       Expect.equals(el.elements[2], el.nodes[3]);
     });
 
     test('last', () {
       var el = makeElementWithChildren();
-      Expect.isTrue(el.elements.last() is InputElement);
+      Expect.isTrue(el.elements.last is InputElement);
     });
 
     test('forEach', () {
       var els = [];
       var el = makeElementWithChildren();
       el.elements.forEach((n) => els.add(n));
       Expect.isTrue(els[0] is BRElement);
       Expect.isTrue(els[1] is ImageElement);
       Expect.isTrue(els[2] is InputElement);
     });
@@ skipping 39 matching lines @@
       var el = makeElementWithChildren();
       el.elements[1] = new Element.tag('hr');
       Expect.isTrue(el.elements[0] is BRElement);
       Expect.isTrue(el.elements[1] is HRElement);
       Expect.isTrue(el.elements[2] is InputElement);
     });
 
     test('add', () {
       var el = makeElement();
       el.elements.add(new Element.tag('hr'));
-      Expect.isTrue(el.elements.last() is HRElement);
+      Expect.isTrue(el.elements.last is HRElement);
     });
 
     test('addLast', () {
       var el = makeElement();
       el.elements.addLast(new Element.tag('hr'));
-      Expect.isTrue(el.elements.last() is HRElement);
+      Expect.isTrue(el.elements.last is HRElement);
     });
 
     test('iterator', () {
       var els = [];
       var el = makeElementWithChildren();
       for (var subel in el.elements) {
         els.add(subel);
       }
       Expect.isTrue(els[0] is BRElement);
       Expect.isTrue(els[1] is ImageElement);
@@ skipping 52 matching lines @@
 
     List<Element> getEmptyQueryAll() => new Element.tag('div').queryAll('img');
 
     void testUnsupported(String name, void f()) {
       test(name, () {
         Expect.throws(f, (e) => e is UnsupportedError);
       });
     }
 
     test('last', () {
-      Expect.isTrue(getQueryAll().last() is HRElement);
+      Expect.isTrue(getQueryAll().last is HRElement);
     });
 
     test('forEach', () {
       var els = [];
       getQueryAll().forEach((el) => els.add(el));
       Expect.isTrue(els[0] is AnchorElement);
       Expect.isTrue(els[1] is SpanElement);
       Expect.isTrue(els[2] is HRElement);
     });
 
@@ skipping 89 matching lines @@
     });
 
     test('getRange', () {
       var range = makeElList().getRange(1, 2);
       Expect.isTrue(range is List<Element>);
       Expect.isTrue(range[0] is ImageElement);
       Expect.isTrue(range[1] is InputElement);
     });
   });
 }