Substitute types in instances of generic classes.

tests/lib/mirrors/generic_type_mirror_test.dart

Index: tests/lib/mirrors/generic_type_mirror_test.dart
diff --git a/tests/lib/mirrors/generic_type_mirror_test.dart b/tests/lib/mirrors/generic_type_mirror_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..6b25a39f21f2bf306a4e99c3808613fb41d06c87
--- /dev/null
+++ b/tests/lib/mirrors/generic_type_mirror_test.dart
@@ -0,0 +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.
+
+import "dart:mirrors";
+import "package:expect/expect.dart";
+
+class Foo<W, V> {
+  V field;
+  V get bar => field;
+  set bar(V v) {}
+  W m() {}
+  V n() {}
+  o(W w) {}
+}
+
+class Bar {}
+class Baz {}
+
+main() {
+  testInstance();
+  testOriginalDeclaration();
+}
+
+void testInstance() {
+  ClassMirror foo = reflect((new Foo<Bar, Baz>())).type;
+  ClassMirror bar = reflect(new Bar()).type;
+  ClassMirror baz = reflect(new Baz()).type;
+  VariableMirror field = foo.variables.values.single;
+  MethodMirror getter = foo.getters.values.single;
+  MethodMirror setter = foo.setters.values.single;
+  MethodMirror m = foo.methods[const Symbol('m')];
+  MethodMirror n = foo.methods[const Symbol('n')];
+  MethodMirror o = foo.methods[const Symbol('o')];
+
+  Expect.equals(foo, field.owner);
+  Expect.equals(foo, getter.owner);
+  Expect.equals(foo, setter.owner);
+  Expect.equals(foo, m.owner);
+  Expect.equals(foo, n.owner);
+  Expect.equals(foo, o.owner);
+
+  Expect.equals(baz, field.type); /// 01: ok
+  Expect.equals(baz, getter.returnType);
+  Expect.equals(bar, m.returnType);
+  Expect.equals(baz, n.returnType);
+  Expect.equals(bar, o.parameters.single.type);
+  Expect.equals(baz, setter.parameters.single.type);
+
+}
+
+void testOriginalDeclaration() {
+  ClassMirror foo = reflectClass(Foo);
+
+  VariableMirror field = foo.variables.values.single;
+  MethodMirror getter = foo.getters.values.single;
+  MethodMirror setter = foo.setters.values.single;
+  MethodMirror m = foo.methods[const Symbol('m')];
+  MethodMirror n = foo.methods[const Symbol('n')];
+  MethodMirror o = foo.methods[const Symbol('o')];
+  TypeVariableMirror w = foo.typeVariables[0];
+  TypeVariableMirror v = foo.typeVariables[1];
+
+  Expect.equals(foo, field.owner);
+  Expect.equals(foo, getter.owner);
+  Expect.equals(foo, setter.owner);
+  Expect.equals(foo, m.owner);
+  Expect.equals(foo, n.owner);
+  Expect.equals(foo, o.owner);
+
+  Expect.equals(v, field.type); /// 01: ok
+  Expect.equals(v, getter.returnType);
+  Expect.equals(w, m.returnType);
+  Expect.equals(v, n.returnType);
+  Expect.equals(w, o.parameters.single.type);
+  Expect.equals(v, setter.parameters.single.type);
+
+}