tests/lib/mirrors/hierarchy_invariants_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.hierarchy_invariants_test;

import 'dart:mirrors';

import 'package:expect/expect.dart';

isAnonymousMixinApplication(classMirror) {
  return MirrorSystem.getName(classMirror.simpleName).contains(' with ');
}

checkClass(classMirror) {
  Expect.isTrue(classMirror.simpleName is Symbol);
  Expect.notEquals(null, classMirror.owner);
  Expect.isTrue(classMirror.owner is LibraryMirror);
  if (!isAnonymousMixinApplication(classMirror)) {
    Expect.equals(classMirror.originalDeclaration,
        classMirror.owner.declarations[classMirror.simpleName]);
  } else {
    Expect.isNull(classMirror.owner.declarations[classMirror.simpleName]);
  }
  Expect.isTrue(classMirror.superinterfaces is List);
  if (classMirror.superclass == null) {
    Expect.isTrue(classMirror == reflectClass(Object) ||
        // Type FutureOr is mapped to dynamic in the VM.
        classMirror.toString() == "ClassMirror on 'FutureOr'");
  } else {
    checkClass(classMirror.superclass);
  }
}

checkLibrary(libraryMirror) {
  libraryMirror.declarations.values
      .where((d) => d is ClassMirror)
      .forEach(checkClass);
}

main() {
  currentMirrorSystem().libraries.values.forEach(checkLibrary);
}