First pass at asynchronous input loading in dart2js.

tests/compiler/dart2js/lookup_member_test.dart

Index: tests/compiler/dart2js/lookup_member_test.dart
diff --git a/tests/compiler/dart2js/lookup_member_test.dart b/tests/compiler/dart2js/lookup_member_test.dart
index ea1d687c3895a99b7469563c35384106dc81826d..261e53cd7feabcd9a3e3c1c6a5d6b936461c5127 100644
--- a/tests/compiler/dart2js/lookup_member_test.dart
+++ b/tests/compiler/dart2js/lookup_member_test.dart
@@ -1,76 +1,78 @@
-// 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 subtype_test;
-
-import 'package:expect/expect.dart';
-import 'type_test_helper.dart';
-import '../../../sdk/lib/_internal/compiler/implementation/dart_types.dart';
-import "../../../sdk/lib/_internal/compiler/implementation/elements/elements.dart"
-       show Element, ClassElement;
-
-void main() {
-  test();
-}
-
-void test() {
-  var env = new TypeEnvironment(r"""
-      class A<T> {
-        T foo;
-      }
-      class B<S> extends A<A<S>> {
-        S bar;
-      }
-      class C<U> extends B<String> with D<B<U>> {
-        U baz;
-      }
-      class D<V> {
-        V boz;
-      }
-      """);
-
-  void expect(DartType receiverType, String memberName, DartType expectedType) {
-    Member member = receiverType.lookupMember(env.sourceString(memberName));
-    Expect.isNotNull(member);
-    DartType memberType = member.computeType(env.compiler);
-    Expect.equals(expectedType, memberType,
-        'Wrong member type for $receiverType.$memberName.');
-  }
-
-  DartType int_ = env['int'];
-  DartType String_ = env['String'];
-
-  ClassElement A = env.getElement('A');
-  DartType T = A.typeVariables.head;
-  DartType A_T = A.thisType;
-  expect(A_T, 'foo', T);
-
-  DartType A_int = instantiate(A, [int_]);
-  expect(A_int, 'foo', int_);
-
-  ClassElement B = env.getElement('B');
-  DartType S = B.typeVariables.head;
-  DartType B_S = B.thisType;
-  expect(B_S, 'foo', instantiate(A, [S]));
-  expect(B_S, 'bar', S);
-
-  DartType B_int = instantiate(B, [int_]);
-  expect(B_int, 'foo', A_int);
-  expect(B_int, 'bar', int_);
-
-  ClassElement C = env.getElement('C');
-  DartType U = C.typeVariables.head;
-  DartType C_U = C.thisType;
-  expect(C_U, 'foo', instantiate(A, [String_]));
-  expect(C_U, 'bar', String_);
-  expect(C_U, 'baz', U);
-  expect(C_U, 'boz', instantiate(B, [U]));
-
-  DartType C_int = instantiate(C, [int_]);
-  expect(C_int, 'foo', instantiate(A, [String_]));
-  expect(C_int, 'bar', String_);
-  expect(C_int, 'baz', int_);
-  expect(C_int, 'boz', instantiate(B, [int_]));
-}
-
+// 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 subtype_test;
+
+import 'package:expect/expect.dart';
+import "package:async_helper/async_helper.dart";
+import 'type_test_helper.dart';
+import '../../../sdk/lib/_internal/compiler/implementation/dart_types.dart';
+import "../../../sdk/lib/_internal/compiler/implementation/elements/elements.dart"
+       show Element, ClassElement;
+
+void main() {
+  test();
+}
+
+void test() {
+  asyncTest(() => TypeEnvironment.create(r"""
+      class A<T> {
+        T foo;
+      }
+      class B<S> extends A<A<S>> {
+        S bar;
+      }
+      class C<U> extends B<String> with D<B<U>> {
+        U baz;
+      }
+      class D<V> {
+        V boz;
+      }
+      """).then((env) {
+    void expect(DartType receiverType, String memberName,
+                DartType expectedType) {
+      Member member = receiverType.lookupMember(env.sourceString(memberName));
+      Expect.isNotNull(member);
+      DartType memberType = member.computeType(env.compiler);
+      Expect.equals(expectedType, memberType,
+          'Wrong member type for $receiverType.$memberName.');
+    }
+
+    DartType int_ = env['int'];
+    DartType String_ = env['String'];
+
+    ClassElement A = env.getElement('A');
+    DartType T = A.typeVariables.head;
+    DartType A_T = A.thisType;
+    expect(A_T, 'foo', T);
+
+    DartType A_int = instantiate(A, [int_]);
+    expect(A_int, 'foo', int_);
+
+    ClassElement B = env.getElement('B');
+    DartType S = B.typeVariables.head;
+    DartType B_S = B.thisType;
+    expect(B_S, 'foo', instantiate(A, [S]));
+    expect(B_S, 'bar', S);
+
+    DartType B_int = instantiate(B, [int_]);
+    expect(B_int, 'foo', A_int);
+    expect(B_int, 'bar', int_);
+
+    ClassElement C = env.getElement('C');
+    DartType U = C.typeVariables.head;
+    DartType C_U = C.thisType;
+    expect(C_U, 'foo', instantiate(A, [String_]));
+    expect(C_U, 'bar', String_);
+    expect(C_U, 'baz', U);
+    expect(C_U, 'boz', instantiate(B, [U]));
+
+    DartType C_int = instantiate(C, [int_]);
+    expect(C_int, 'foo', instantiate(A, [String_]));
+    expect(C_int, 'bar', String_);
+    expect(C_int, 'baz', int_);
+    expect(C_int, 'boz', instantiate(B, [int_]));
+  }));
+}
+