Add some tests for Node#nodes.

client/tests/client/html/NodeTests.dart

Index: client/tests/client/html/NodeTests.dart
diff --git a/client/tests/client/html/NodeTests.dart b/client/tests/client/html/NodeTests.dart
new file mode 100644
index 0000000000000000000000000000000000000000..c5728507a459ace5f874951bc1adc108d9d8fce1
--- /dev/null
+++ b/client/tests/client/html/NodeTests.dart
@@ -0,0 +1,147 @@
+// 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.
+
+
+Node makeNode() => new Element.tag('div');
+Node makeNodeWithChildren() =>
+  new Element.html("<div>Foo<br/><!--baz--></div>");
+
+void testNode() {
+  group('nodes', () {
+    test('first', () {
+      var node = makeNodeWithChildren();
+      Expect.isTrue(node.nodes.first is Text);
+    });
+
+    test('last', () {
+      var node = makeNodeWithChildren();
+      Expect.isTrue(node.nodes.last() is Comment);
+    });
+
+    test('forEach', () {
+      var nodes = [];
+      var node = makeNodeWithChildren();
+      node.nodes.forEach((n) => nodes.add(n));
+      Expect.isTrue(nodes[0] is Text);
+      Expect.isTrue(nodes[1] is BRElement);
+      Expect.isTrue(nodes[2] is Comment);
+    });
+
+    test('filter', () {
+      var filtered = makeNodeWithChildren().nodes.filter((n) => n is BRElement);
+      Expect.equals(1, filtered.length);
+      Expect.isTrue(filtered[0] is BRElement);
+    });
+
+    test('every', () {
+      var node = makeNodeWithChildren();
+      Expect.isTrue(node.nodes.every((n) => n is Node));
+      Expect.isFalse(node.nodes.every((n) => n is Comment));
+    });
+
+    test('some', () {
+      var node = makeNodeWithChildren();
+      Expect.isTrue(node.nodes.some((n) => n is Comment));
+      Expect.isFalse(node.nodes.some((n) => n is SVGElement));
+    });
+
+    test('isEmpty', () {
+      Expect.isTrue(makeNode().nodes.isEmpty());
+      Expect.isFalse(makeNodeWithChildren().nodes.isEmpty());
+    });
+
+    test('length', () {
+      Expect.equals(0, makeNode().nodes.length);
+      Expect.equals(3, makeNodeWithChildren().nodes.length);
+    });
+
+    test('[]', () {
+      var node = makeNodeWithChildren();
+      Expect.isTrue(node.nodes[0] is Text);
+      Expect.isTrue(node.nodes[1] is BRElement);
+      Expect.isTrue(node.nodes[2] is Comment);
+    });
+
+    // TODO(nweiz): make this work
+    // test('[]=', () {
+    //   var node = makeNodeWithChildren();
+    //   node.nodes[1] = new Element.tag('hr');
+    //   Expect.isTrue(node.nodes[0] is Text);
+    //   Expect.isTrue(node.nodes[1] is HRElement);
+    //   Expect.isTrue(node.nodes[2] is Comment);
+    // });
+
+    test('add', () {
+      var node = makeNode();
+      node.nodes.add(new Element.tag('hr'));
+      Expect.isTrue(node.nodes.last() is HRElement);
+    });
+
+    test('addLast', () {
+      var node = makeNode();
+      node.nodes.addLast(new Element.tag('hr'));
+      Expect.isTrue(node.nodes.last() is HRElement);
+    });
+
+    test('iterator', () {
+      var nodes = [];
+      var node = makeNodeWithChildren();
+      for (var subnode in node.nodes) {
+        nodes.add(subnode);
+      }
+      Expect.isTrue(nodes[0] is Text);
+      Expect.isTrue(nodes[1] is BRElement);
+      Expect.isTrue(nodes[2] is Comment);
+    });
+
+    test('addAll', () {
+      var node = makeNodeWithChildren();
+      node.nodes.addAll([
+        new Element.tag('hr'),
+        new Element.tag('img'),
+        new Element.tag('input')
+      ]);
+      Expect.isTrue(node.nodes[0] is Text);
+      Expect.isTrue(node.nodes[1] is BRElement);
+      Expect.isTrue(node.nodes[2] is Comment);
+      Expect.isTrue(node.nodes[3] is HRElement);
+      Expect.isTrue(node.nodes[4] is ImageElement);
+      Expect.isTrue(node.nodes[5] is InputElement);
+    });
+
+    test('indexOf', () {
+      var node = makeNodeWithChildren();
+      Expect.equals(0, node.nodes.indexOf(node.nodes[0]));
+      Expect.equals(1, node.nodes.indexOf(node.nodes[1]));
+      Expect.equals(2, node.nodes.indexOf(node.nodes[2]));
+      Expect.equals(-1, node.nodes.indexOf(new Element.tag('br')));
+      Expect.equals(1, node.nodes.indexOf(node.nodes[1], 1));
+      Expect.equals(-1, node.nodes.indexOf(node.nodes[1], 2));
+    });
+
+    test('lastIndexOf', () {
+      var node = makeNodeWithChildren();
+      Expect.equals(0, node.nodes.lastIndexOf(node.nodes[0]));
+      Expect.equals(1, node.nodes.lastIndexOf(node.nodes[1]));
+      Expect.equals(2, node.nodes.lastIndexOf(node.nodes[2]));
+      Expect.equals(-1, node.nodes.lastIndexOf(new Element.tag('br')));
+      Expect.equals(1, node.nodes.lastIndexOf(node.nodes[1], 1));
+      Expect.equals(-1, node.nodes.lastIndexOf(node.nodes[1], 0));
+    });
+
+    test('clear', () {
+      var node = makeNodeWithChildren();
+      node.nodes.clear();
+      Expect.listEquals([], node.nodes);
+    });
+
+    test('removeLast', () {
+      var node = makeNodeWithChildren();
+      Expect.isTrue(node.nodes.removeLast() is Comment);
+      Expect.equals(2, node.nodes.length);
+      Expect.isTrue(node.nodes.removeLast() is BRElement);
+      Expect.equals(1, node.nodes.length);
+    });
+  });
+}