Add test for initialization of instance fields with initializer expressions

pkg/kernel/testcases/interpreter/object_fields_test.dart

Index: pkg/kernel/testcases/interpreter/object_fields_test.dart
diff --git a/pkg/kernel/testcases/interpreter/object_fields_test.dart b/pkg/kernel/testcases/interpreter/object_fields_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..45a031638d78405fec8a067f1f67d7d8c4811981
--- /dev/null
+++ b/pkg/kernel/testcases/interpreter/object_fields_test.dart
@@ -0,0 +1,49 @@
+// Copyright (c) 2017, 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 object_fields_test;
+
+/// Simple program creating an object and accessing its initialized fields.
+void main() {
+  var a = new A();
+  print(a.f1);
+  print(a.f2);
+
+  new B(0);
+  new B.redirecting1(0);
+  new B.redirecting2(0);
+
+  var c = new C.redirecting1(0);
+  print(c.f1);
+  print(c.f2);
+}
+
+class A {
+  int f1 = 37;
+  String f2 = 'hello world';
+}
+
+class B {
+  B(int i);
+  B.redirecting1(int i) : this(redirecting(i, 'B.redirecting1'));
+  B.redirecting2(int i) : this.redirecting1(redirecting(i, 'B.redirecting2'));
+}
+
+class C {
+  int f1 = fieldInitializer(0, 'C.f1');
+  int f2 = fieldInitializer(1, 'C.f2');
+
+  C(int i);
+  C.redirecting1(int i) : this(redirecting(i, 'C.redirecting1'));
+}
+
+int redirecting(int i, String s) {
+  print('$s: $i');
+  return i + 1;
+}
+
+int fieldInitializer(int f, String s) {
+  print('$s: $f');
+  return f;
+}