Add mirrors tests

test/codegen/lib/mirrors/generics_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 test.type_arguments_test;
+
+import 'dart:mirrors';
+
+import 'package:expect/expect.dart';
+import 'generics_helper.dart';
+
+class A<T> {}
+class Z<T> {}
+class B extends A {}
+class C
+    extends A<num, int>  /// 01: static type warning
+    {}
+class D extends A<int> {}
+class E<S> extends A<S> {}
+class F<R> extends A<int> {}
+class G {}
+class H<A,B,C> {}
+class I extends G {}
+
+main() {
+  // Declarations.
+  typeParameters(reflectClass(A), [#T]);
+  typeParameters(reflectClass(G), []);
+  typeParameters(reflectClass(B), []);
+  typeParameters(reflectClass(C), []);
+  typeParameters(reflectClass(D), []);
+  typeParameters(reflectClass(E), [#S]);
+  typeParameters(reflectClass(F), [#R]);
+  typeParameters(reflectClass(G), []);
+  typeParameters(reflectClass(H), [#A, #B, #C]);
+  typeParameters(reflectClass(I), []);
+
+  typeArguments(reflectClass(A), []);
+  typeArguments(reflectClass(B), []);
+  typeArguments(reflectClass(C), []);
+  typeArguments(reflectClass(D), []);
+  typeArguments(reflectClass(E), []);
+  typeArguments(reflectClass(F), []);
+  typeArguments(reflectClass(G), []);
+  typeArguments(reflectClass(H), []);
+  typeArguments(reflectClass(I), []);
+
+  Expect.isTrue(reflectClass(A).isOriginalDeclaration);
+  Expect.isTrue(reflectClass(B).isOriginalDeclaration);
+  Expect.isTrue(reflectClass(C).isOriginalDeclaration);
+  Expect.isTrue(reflectClass(D).isOriginalDeclaration);
+  Expect.isTrue(reflectClass(E).isOriginalDeclaration);
+  Expect.isTrue(reflectClass(F).isOriginalDeclaration);
+  Expect.isTrue(reflectClass(G).isOriginalDeclaration);
+  Expect.isTrue(reflectClass(H).isOriginalDeclaration);
+  Expect.isTrue(reflectClass(I).isOriginalDeclaration);
+
+  Expect.equals(reflectClass(A), reflectClass(A).originalDeclaration);
+  Expect.equals(reflectClass(B), reflectClass(B).originalDeclaration);
+  Expect.equals(reflectClass(C), reflectClass(C).originalDeclaration);
+  Expect.equals(reflectClass(D), reflectClass(D).originalDeclaration);
+  Expect.equals(reflectClass(E), reflectClass(E).originalDeclaration);
+  Expect.equals(reflectClass(F), reflectClass(F).originalDeclaration);
+  Expect.equals(reflectClass(G), reflectClass(G).originalDeclaration);
+  Expect.equals(reflectClass(H), reflectClass(H).originalDeclaration);
+  Expect.equals(reflectClass(I), reflectClass(I).originalDeclaration);
+
+  // Instantiations.
+  typeParameters(reflect(new A<num>()).type, [#T]);
+  typeParameters(reflect(new B()).type, []);
+  typeParameters(reflect(new C()).type, []);
+  typeParameters(reflect(new D()).type, []);
+  typeParameters(reflect(new E()).type, [#S]);
+  typeParameters(reflect(new F<num>()).type, [#R]);
+  typeParameters(reflect(new G()).type, []);
+  typeParameters(reflect(new H()).type, [#A, #B, #C]);
+  typeParameters(reflect(new I()).type, []);
+
+  var numMirror = reflectClass(num);
+  var dynamicMirror = currentMirrorSystem().dynamicType;
+  typeArguments(reflect(new A<num>()).type, [numMirror]);
+  typeArguments(reflect(new A<dynamic>()).type, [dynamicMirror]);
+  typeArguments(reflect(new A()).type, [dynamicMirror]); 
+  typeArguments(reflect(new B()).type, []);
+  typeArguments(reflect(new C()).type, []);
+  typeArguments(reflect(new D()).type, []);
+  typeArguments(reflect(new E<num>()).type, [numMirror]);
+  typeArguments(reflect(new E<dynamic>()).type, [dynamicMirror]); 
+  typeArguments(reflect(new E()).type, [dynamicMirror]); 
+  typeArguments(reflect(new F<num>()).type, [numMirror]);
+  typeArguments(reflect(new F<dynamic>()).type, [dynamicMirror]); 
+  typeArguments(reflect(new F()).type, [dynamicMirror]); 
+  typeArguments(reflect(new G()).type, []);
+  typeArguments(reflect(new H<dynamic, num, dynamic>()).type, 
+      [dynamicMirror, numMirror, dynamicMirror]); 
+  typeArguments(reflect(new I()).type, []);
+
+  Expect.isFalse(reflect(new A<num>()).type.isOriginalDeclaration);
+  Expect.isTrue(reflect(new B()).type.isOriginalDeclaration);
+  Expect.isTrue(reflect(new C()).type.isOriginalDeclaration);
+  Expect.isTrue(reflect(new D()).type.isOriginalDeclaration);
+  Expect.isFalse(reflect(new E<num>()).type.isOriginalDeclaration);
+  Expect.isFalse(reflect(new F<num>()).type.isOriginalDeclaration);
+  Expect.isTrue(reflect(new G()).type.isOriginalDeclaration);
+  Expect.isFalse(reflect(new H()).type.isOriginalDeclaration); 
+  Expect.isTrue(reflect(new I()).type.isOriginalDeclaration);
+
+  Expect.equals(reflectClass(A),
+                reflect(new A<num>()).type.originalDeclaration);
+  Expect.equals(reflectClass(B),
+                reflect(new B()).type.originalDeclaration);
+  Expect.equals(reflectClass(C),
+                reflect(new C()).type.originalDeclaration);
+  Expect.equals(reflectClass(D),
+                reflect(new D()).type.originalDeclaration);
+  Expect.equals(reflectClass(E),
+                reflect(new E<num>()).type.originalDeclaration);
+  Expect.equals(reflectClass(F),
+                reflect(new F<num>()).type.originalDeclaration);
+  Expect.equals(reflectClass(G),
+                reflect(new G()).type.originalDeclaration);
+  Expect.equals(reflectClass(H),
+                reflect(new H()).type.originalDeclaration);
+  Expect.equals(reflectClass(I),
+                reflect(new I()).type.originalDeclaration);
+
+  Expect.notEquals(reflect(new A<num>()).type,
+                   reflect(new A<num>()).type.originalDeclaration);
+  Expect.equals(reflect(new B()).type,
+                reflect(new B()).type.originalDeclaration);
+  Expect.equals(reflect(new C()).type,
+                reflect(new C()).type.originalDeclaration);
+  Expect.equals(reflect(new D()).type,
+                reflect(new D()).type.originalDeclaration);
+  Expect.notEquals(reflect(new E<num>()).type,
+                   reflect(new E<num>()).type.originalDeclaration);
+  Expect.notEquals(reflect(new F<num>()).type,
+                   reflect(new F<num>()).type.originalDeclaration);
+  Expect.equals(reflect(new G()).type,
+                reflect(new G()).type.originalDeclaration);
+  Expect.notEquals(reflect(new H()).type, 
+                   reflect(new H()).type.originalDeclaration); 
+  Expect.equals(reflect(new I()).type,
+                reflect(new I()).type.originalDeclaration);
+
+  // Library members are all uninstantaited generics or non-generics.
+  currentMirrorSystem().libraries.values.forEach((libraryMirror) {
+    libraryMirror.declarations.values.forEach((declaration) {
+      if (declaration is ClassMirror) {
+        Expect.isTrue(declaration.isOriginalDeclaration);
+        Expect.equals(declaration, declaration.originalDeclaration);
+      }
+    });
+  });
+
+  Expect.equals(reflectClass(A).typeVariables[0].owner, reflectClass(A));
+  Expect.equals(reflectClass(Z).typeVariables[0].owner, reflectClass(Z));
+  Expect.notEquals(reflectClass(A).typeVariables[0],
+                   reflectClass(Z).typeVariables[0]);
+  Expect.equals(reflectClass(A).typeVariables[0],
+                reflectClass(A).typeVariables[0]);
+}