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// Copyright (c) 2014, 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.
// @dart = 2.9
// Test that everything reachable from a [MirrorSystem] can be accessed.
library test.mirrors.reader;
import 'dart:mirrors';
import 'package:expect/expect.dart';
import 'mirrors_reader.dart';
class RuntimeMirrorsReader extends MirrorsReader {
final MirrorSystem mirrorSystem;
final String mirrorSystemType;
RuntimeMirrorsReader(MirrorSystem mirrorSystem,
{bool verbose: false, bool includeStackTrace: false})
: this.mirrorSystem = mirrorSystem,
this.mirrorSystemType = '${mirrorSystem.runtimeType}',
super(verbose: verbose, includeStackTrace: includeStackTrace);
visitLibraryMirror(LibraryMirror mirror) {
super.visitLibraryMirror(mirror);
Expect.equals(mirror, mirrorSystem.libraries[mirror.uri]);
}
visitClassMirror(ClassMirror mirror) {
super.visitClassMirror(mirror);
Expect.isNotNull(mirror.owner);
}
bool allowUnsupported(var receiver, String tag, UnsupportedError exception) {
if (mirrorSystemType == '_MirrorSystem') {
// VM mirror system.
if (tag.endsWith('location')) {
return receiver is ParameterMirror;
}
} else if (mirrorSystemType == 'JsMirrorSystem') {
// Dart2js runtime mirror system.
if (tag.endsWith('.metadata')) {
return true; // Issue 10905.
}
}
return false;
}
bool expectUnsupported(var receiver, String tag, UnsupportedError exception) {
// [DeclarationMirror.location] is intentionally not supported in runtime
// mirrors.
if (mirrorSystemType == '_MirrorSystem') {
// VM mirror system.
} else if (mirrorSystemType == 'JsMirrorSystem') {
// Dart2js runtime mirror system.
if (receiver is DeclarationMirror && tag == 'location') {
return true;
}
}
return false;
}
}
void main([List<String> arguments = const <String>[]]) {
MirrorSystem mirrors = currentMirrorSystem();
MirrorsReader reader = new RuntimeMirrorsReader(mirrors,
verbose: arguments.contains('-v'),
includeStackTrace: arguments.contains('-s'));
reader.checkMirrorSystem(mirrors);
}