update MDV impl

pkg/mdv/test/template_element_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 template_element_test;
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:html';
 import 'dart:math' as math;
@@ skipping 63 matching lines @@
   }
 
   test('Template', () {
     var div = createTestHtml('<template bind={{}}>text</template>');
     recursivelySetTemplateModel(div, null);
     deliverChangeRecords();
     expect(div.nodes.length, 2);
     expect(div.nodes.last.text, 'text');
   });
 
+  test('Template bind, no parent', () {
+    var div = createTestHtml('<template bind>text</template>');
+    var template = div.nodes[0];
+    template.remove();
+
+    recursivelySetTemplateModel(template, toSymbolMap({}));
+    deliverChangeRecords();
+    expect(template.nodes.length, 0);
+    expect(template.nextNode, null);
+    // TODO(jmesserly): the JS tests assert that observer callbacks had no
+    // exceptions. How do we replicate this?
+  });
+
+  test('Template bind, no defaultView', () {
+    var div = createTestHtml('<template bind>text</template>');
+    var template = div.nodes[0];
+    var doc = document.implementation.createHtmlDocument('');
+    doc.adoptNode(div);
+    recursivelySetTemplateModel(template, toSymbolMap({}));
+    deliverChangeRecords();
+    expect(div.nodes.length, 1);
+    // TODO(jmesserly): the JS tests assert that observer callbacks had no
+    // exceptions. How do we replicate this?
+  });
+
   test('Template-Empty Bind', () {
     var div = createTestHtml('<template bind>text</template>');
     recursivelySetTemplateModel(div, null);
     deliverChangeRecords();
     expect(div.nodes.length, 2);
     expect(div.nodes.last.text, 'text');
   });
 
   test('TextTemplateWithNullStringBinding', () {
     var div = createTestHtml('<template bind={{}}>a{{b}}c</template>');
@@ skipping 844 matching lines @@
 
     m[0] = toSymbols({'name': 'Item 1 changed'});
 
     i = 1;
     deliverChanges(m);
     expect(div.nodes[i++].text, 'Item 1 changed');
     expect(div.nodes[i++].tagName, 'TEMPLATE');
     expect(div.nodes[i++].text, 'Item 2');
   });
 
+  test('Attribute Template Option', () {
+    var div = createTestHtml(
+        '<template bind>'
+          '<select>'
+            '<option template repeat>{{ val }}</option>'
+          '</select>'
+        '</template>');
+
+    var m = toSymbols([{ 'val': 0 }, { 'val': 1 }]);
+
+    recursivelySetTemplateModel(div, m);
+    deliverChanges(m);
+
+    var select = div.nodes[0].nextNode;
+    expect(select.nodes.length, 3);
+    expect(select.nodes[0].tagName, 'TEMPLATE');
+    expect(select.nodes[0].ref.content.nodes[0].tagName, 'OPTION');
+    expect(select.nodes[1].tagName, 'OPTION');
+    expect(select.nodes[1].text, '0');
+    expect(select.nodes[2].tagName, 'OPTION');
+    expect(select.nodes[2].text, '1');
+  });
+
   test('NestedIterateTableMixedSemanticNative', () {
     if (!TemplateElement.supported) return;
 
     var div = createTestHtml(
         '<table><tbody>'
           '<template repeat="{{}}">'
             '<tr>'
               '<td template repeat="{{}}" class="{{ val }}">{{ val }}</td>'
             '</tr>'
           '</template>'
@@ skipping 557 matching lines @@
       result[k] = _deepToSymbol(v);
     });
     return result;
   }
   if (value is Iterable) {
     return value.map(_deepToSymbol).toList();
   }
   return value;
 }