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Unified Diff: test/codegen/lib/mirrors/mirrors_reader_test.dart

Issue 2265533002: Add mirrors tests (Closed) Base URL: https://github.com/dart-lang/dev_compiler.git@master
Patch Set: Created 4 years, 4 months ago
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Index: test/codegen/lib/mirrors/mirrors_reader_test.dart
diff --git a/test/codegen/lib/mirrors/mirrors_reader_test.dart b/test/codegen/lib/mirrors/mirrors_reader_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..5528701e01f8861ddcc7d75b1016bd688f4d53f8
--- /dev/null
+++ b/test/codegen/lib/mirrors/mirrors_reader_test.dart
@@ -0,0 +1,70 @@
+// 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.
+
+// 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 == '_LocalMirrorSystem') {
+ // 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 == '_LocalMirrorSystem') {
+ // 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);
+}
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