Add tests regarding fields.

dart/tests/try/web/incremental_compilation_update_test.dart

 // Copyright (c) 2014, 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 trydart.incremental_compilation_update_test;
 
 import 'dart:html' hide
     Element;
 
 import 'dart:async' show
@@ skipping 1379 matching lines @@
   final String value;
   const C(this.value);
 }
 
 main() {
   print(const C('v2').value);
 }
 """,
             const <String>['v2']),
     ],
+
+    // Test that an instance field can be added to a compound declaration.
+    // TODO(ahe): Test doesn't pass.
+    const <ProgramResult>[
+        const ProgramResult(
+            r"""
+class C {
+  int x;
+}
+
+var instance;
+
+main() {
+  if (instance == null) {
+    print('[instance] is null');
+    instance = new C();
+    instance.x = 'v1';
+  } else {
+    instance.y = 'v2';
+  }
+  try {
+    print(instance.x);
+  } catch (e) {
+    print('[instance.x] threw');
+  }
+  try {
+    print(instance.y);
+  } catch (e) {
+    print('[instance.y] threw');
+  }
+}
+""",
+            const <String>['[instance] is null', 'v1', '[instance.y] threw']),
+/*
+        const ProgramResult(
+            r"""
+class C {
+  int x, y;
+}
+
+var instance;
+
+main() {
+  if (instance == null) {
+    print('[instance] is null');
+    instance = new C();
+    instance.x = 'v1';
+  } else {
+    instance.y = 'v2';
+  }
+  try {
+    print(instance.x);
+  } catch (e) {
+    print('[instance.x] threw');
+  }
+  try {
+    print(instance.y);
+  } catch (e) {
+    print('[instance.y] threw');
+  }
+}
+""",
+            const <String>['v1', 'v2']),
+*/
+    ],
+
+    // Test that an instance field can be removed from a compound declaration.
+    // TODO(ahe): Test doesn't pass.
+    const <ProgramResult>[
+        const ProgramResult(
+            r"""
+class C {
+  int x, y;
+}
+
+var instance;
+
+main() {
+  if (instance == null) {
+    print('[instance] is null');
+    instance = new C();
+    instance.x = 'v1';
+    instance.y = 'v2';
+  }
+  try {
+    print(instance.x);
+  } catch (e) {
+    print('[instance.x] threw');
+  }
+  try {
+    print(instance.y);
+  } catch (e) {
+    print('[instance.y] threw');
+  }
+}
+""",
+            const <String>['[instance] is null', 'v1', 'v2']),
+/*
+        const ProgramResult(
+            r"""
+class C {
+  int x;
+}
+
+var instance;
+
+main() {
+  if (instance == null) {
+    print('[instance] is null');
+    instance = new C();
+    instance.x = 'v1';
+    instance.y = 'v2';
+  }
+  try {
+    print(instance.x);
+  } catch (e) {
+    print('[instance.x] threw');
+  }
+  try {
+    print(instance.y);
+  } catch (e) {
+    print('[instance.y] threw');
+  }
+}
+""",
+            const <String>['v1', '[instance.y] threw']),
+*/
+    ],
+
+    // Test that a static field can be made an instance field.
+    // TODO(ahe): Test doesn't pass.
+    const <ProgramResult>[
+        const ProgramResult(
+            r"""
+class C {
+  static int x;
+}
+
+var instance;
+
+main() {
+  if (instance == null) {
+    print('[instance] is null');
+    instance = new C();
+    C.x = 'v1';
+  } else {
+    instance.x = 'v2';
+  }
+  try {
+    print(C.x);
+  } catch (e) {
+    print('[C.x] threw');
+  }
+  try {
+    print(instance.x);
+  } catch (e) {
+    print('[instance.x] threw');
+  }
+}
+""",
+            const <String>['[instance] is null', 'v1', '[instance.x] threw']),
+/*
+        const ProgramResult(
+            r"""
+class C {
+  int x;
+}
+
+var instance;
+
+main() {
+  if (instance == null) {
+    print('[instance] is null');
+    instance = new C();
+    C.x = 'v1';
+  } else {
+    instance.x = 'v2';
+  }
+  try {
+    print(C.x);
+  } catch (e) {
+    print('[C.x] threw');
+  }
+  try {
+    print(instance.x);
+  } catch (e) {
+    print('[instance.x] threw');
+  }
+}
+""",
+            const <String>['[C.x] threw', 'v2']),
+*/
+    ],
+
+    // Test that instance field can be made static.
+    // TODO(ahe): Test doesn't pass.
+    const <ProgramResult>[
+        const ProgramResult(
+            r"""
+class C {
+  int x;
+}
+
+var instance;
+
+main() {
+  if (instance == null) {
+    print('[instance] is null');
+    instance = new C();
+    instance.x = 'v1';
+  } else {
+    C.x = 'v2';
+  }
+  try {
+    print(C.x);
+  } catch (e) {
+    print('[C.x] threw');
+  }
+  try {
+    print(instance.x);
+  } catch (e) {
+    print('[instance.x] threw');
+  }
+}
+""",
+            const <String>['[instance] is null', '[C.x] threw', 'v1']),
+/*
+        const ProgramResult(
+            r"""
+class C {
+  static int x;
+}
+
+var instance;
+
+main() {
+  if (instance == null) {
+    print('[instance] is null');
+    instance = new C();
+    instance.x = 'v1';
+  } else {
+    C.x = 'v2';
+  }
+  try {
+    print(C.x);
+  } catch (e) {
+    print('[C.x] threw');
+  }
+  try {
+    print(instance.x);
+  } catch (e) {
+    print('[instance.x] threw');
+  }
+}
+""",
+            const <String>['v2', '[instance.x] threw']),
+*/
+    ],
 ];
 
 void main() {
   listener.start();
 
   document.head.append(lineNumberStyle());
 
   summary = new SpanElement();
   document.body.append(new HeadingElement.h1()
       ..appendText("Incremental compiler tests")
@@ skipping 180 matching lines @@
   position: absolute;
   left: 0px;
   width: 3em;
   text-align: right;
   background-color: lightgoldenrodyellow;
 }
 ''');
   style.type = 'text/css';
   return style;
 }