Add mirrors tests

test/codegen/lib/mirrors/immutable_collections_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.immutable_collections;
+
+import 'dart:mirrors';
+import 'package:expect/expect.dart';
+
+someException(e) => e is Exception || e is Error;
+
+checkList(Iterable l, String reason) {
+  Expect.throws(() => l[0] = 'value', someException, reason);
+  Expect.throws(() => l.add('value'), someException, reason);
+  Expect.throws(() => l.clear(), someException, reason);
+}
+
+checkMap(Map m, String reason) {
+  Expect.throws(() => m[#key] = 'value', someException, reason);
+  checkList(m.keys, '$reason keys');
+  checkList(m.values, '$reason values');
+}
+
+checkVariable(VariableMirror vm) {
+  checkList(vm.metadata, 'VariableMirror.metadata');
+}
+
+checkTypeVariable(TypeVariableMirror tvm) {
+  checkList(tvm.metadata, 'TypeVariableMirror.metadata');
+}
+
+checkParameter(ParameterMirror pm) {
+  checkList(pm.metadata, 'ParameterMirror.metadata');
+}
+
+checkMethod(MethodMirror mm) {
+  checkList(mm.parameters, 'MethodMirror.parameters');
+  checkList(mm.metadata, 'MethodMirror.metadata');
+
+  mm.parameters.forEach(checkParameter);
+}
+
+checkClass(ClassMirror cm) {
+  checkMap(cm.declarations, 'ClassMirror.declarations');
+  checkMap(cm.instanceMembers, 'ClassMirror.instanceMembers');
+  checkMap(cm.staticMembers, 'ClassMirror.staticMembers');
+  checkList(cm.metadata, 'ClassMirror.metadata');
+  checkList(cm.superinterfaces, 'ClassMirror.superinterfaces');
+  checkList(cm.typeArguments, 'ClassMirror.typeArguments');
+  checkList(cm.typeVariables, 'ClassMirror.typeVariables');
+
+  cm.declarations.values.forEach(checkDeclaration);
+  cm.instanceMembers.values.forEach(checkDeclaration);
+  cm.staticMembers.values.forEach(checkDeclaration);
+  cm.typeVariables.forEach(checkTypeVariable);
+}
+
+checkType(TypeMirror tm) {
+  checkList(tm.metadata, 'TypeMirror.metadata');
+}
+
+checkDeclaration(DeclarationMirror dm) {
+  if (dm is MethodMirror) checkMethod(dm);
+  if (dm is ClassMirror) checkClass(dm);
+  if (dm is TypeMirror) checkType(dm);
+  if (dm is VariableMirror) checkVariable(dm);
+  if (dm is TypeVariableMirror) checkTypeVariable(dm);
+}
+
+checkLibrary(LibraryMirror lm) {
+  checkMap(lm.declarations, 'LibraryMirror.declarations');
+  checkList(lm.metadata, 'LibraryMirror.metadata');
+
+  lm.declarations.values.forEach(checkDeclaration);
+}
+
+main() {
+  currentMirrorSystem().libraries.values.forEach(checkLibrary);
+  checkType(currentMirrorSystem().voidType);
+  checkType(currentMirrorSystem().dynamicType);
+}