New mirror tests: basic types found in dart:core and member collections are immutable.

tests/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.members, 'ClassMirror.members');
+  checkMap(cm.variables, 'ClassMirror.variables');
+  checkMap(cm.methods, 'ClassMirror.methods');
+  checkMap(cm.getters, 'ClassMirror.getters');
+  checkMap(cm.setters, 'ClassMirror.setters');
+  checkMap(cm.constructors, 'ClassMirror.constructors');
+  checkList(cm.metadata, 'ClassMirror.metadata');
+  checkList(cm.superinterfaces, 'ClassMirror.superinterfaces');
+  checkList(cm.typeArguments, 'ClassMirror.typeArguments');
+  checkList(cm.typeVariables, 'ClassMirror.typeVariables');
+
+  cm.methods.values.forEach(checkMethod);
+  cm.getters.values.forEach(checkMethod);
+  cm.setters.values.forEach(checkMethod);
+  cm.constructors.values.forEach(checkMethod);
+  cm.variables.values.forEach(checkVariable);
+  cm.typeVariables.forEach(checkTypeVariable);
+}
+
+checkLibrary(LibraryMirror lm) {
+  checkMap(lm.members, 'LibraryMirror.members');
+  checkMap(lm.variables, 'LibraryMirror.variables');
+  checkMap(lm.classes, 'LibraryMirror.classes');
+  // TODO(rmacnak): Revisit after members hoisted to TypeMirror.
+  // checkMap(lm.types, 'LibraryMirror.types');
+  checkMap(lm.functions, 'LibraryMirror.functions');
+  checkMap(lm.getters, 'LibraryMirror.getters');
+  checkMap(lm.setters, 'LibraryMirror.setters');
+  checkList(lm.metadata, 'LibraryMirror.metadata');
+
+  // lm.types.forEach(checkType);
+  lm.classes.values.forEach(checkClass);
+  lm.functions.values.forEach(checkMethod);
+  lm.getters.values.forEach(checkMethod);
+  lm.setters.values.forEach(checkMethod);
+  lm.variables.values.forEach(checkVariable);
+}
+
+main() {
+  currentMirrorSystem().libraries.values.forEach(checkLibrary);
+  // checkType(currentMirrorSystem().voidType);
+  // checkType(currentMirrorSystem().dynamicType);
+}