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Unified Diff: test/codegen/lib/mirrors/mirrors_nsm_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_nsm_test.dart
diff --git a/test/codegen/lib/mirrors/mirrors_nsm_test.dart b/test/codegen/lib/mirrors/mirrors_nsm_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..2364f925b185781a6dc5434d51079984792ca2c5
--- /dev/null
+++ b/test/codegen/lib/mirrors/mirrors_nsm_test.dart
@@ -0,0 +1,120 @@
+// Copyright (c) 2011, 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 MirrorsTest;
+
+import 'dart:mirrors';
+import 'package:expect/expect.dart';
+
+bool isNSMContainingFieldName(e, String fieldName, bool isSetter) {
+ print(e);
+ if (e is! NoSuchMethodError) return false;
+ String needle = fieldName;
+ if (isSetter) needle += "=";
+ return "$e".contains(needle) && ! "$e".contains(needle + "=");
+}
+
+final finalTopLevel = 0;
+class A {
+ final finalInstance = 0;
+ static final finalStatic = 0;
+}
+class B {
+ B(a, b);
+ factory B.fac(a, b) => new B(a, b);
+}
+
+testMessageContents() {
+ var mirrors = currentMirrorSystem();
+ var libMirror = mirrors.findLibrary(#MirrorsTest);
+ Expect.throws(() => libMirror.invoke(#foo, []),
+ (e) => isNSMContainingFieldName(e, "foo", false));
+ Expect.throws(() => libMirror.getField(#foo),
+ (e) => isNSMContainingFieldName(e, "foo", false));
+ Expect.throws(() => libMirror.setField(#foo, null),
+ (e) => isNSMContainingFieldName(e, "foo", true));
+ Expect.throws(() => libMirror.setField(#finalTopLevel, null),
+ (e) => isNSMContainingFieldName(e, "finalTopLevel", true));
+
+ var classMirror = reflectClass(A);
+ Expect.throws(() => classMirror.invoke(#foo, []),
+ (e) => isNSMContainingFieldName(e, "foo", false));
+ Expect.throws(() => classMirror.getField(#foo),
+ (e) => isNSMContainingFieldName(e, "foo", false));
+ Expect.throws(() => classMirror.setField(#foo, null),
+ (e) => isNSMContainingFieldName(e, "foo", true));
+ Expect.throws(() => classMirror.setField(#finalStatic, null),
+ (e) => isNSMContainingFieldName(e, "finalStatic", true));
+
+ var instanceMirror = reflect(new A());
+ Expect.throws(() => instanceMirror.invoke(#foo, []),
+ (e) => isNSMContainingFieldName(e, "foo", false));
+ Expect.throws(() => instanceMirror.getField(#foo),
+ (e) => isNSMContainingFieldName(e, "foo", false));
+ Expect.throws(() => instanceMirror.setField(#foo, null),
+ (e) => isNSMContainingFieldName(e, "foo", true));
+ Expect.throws(() => instanceMirror.setField(#finalInstance, null),
+ (e) => isNSMContainingFieldName(e, "finalInstance", true));
+}
+
+expectMatchingErrors(reflectiveAction, baseAction) {
+ var reflectiveError, baseError;
+ try {
+ reflectiveAction();
+ } catch(e) {
+ reflectiveError = e;
+ }
+
+ try {
+ baseAction();
+ } catch(e) {
+ baseError = e;
+ }
+
+ if (baseError.toString() != reflectiveError.toString()) {
+ print("\n==Base==\n $baseError");
+ print("\n==Reflective==\n $reflectiveError");
+ throw "Expected matching errors";
+ }
+}
+
+testMatchingMessages() {
+ var mirrors = currentMirrorSystem();
+ var libMirror = mirrors.findLibrary(#MirrorsTest);
+ expectMatchingErrors(() => libMirror.invoke(#foo, []),
+ () => foo());
+ expectMatchingErrors(() => libMirror.getField(#foo),
+ () => foo);
+ expectMatchingErrors(() => libMirror.setField(#foo, null),
+ () => foo= null);
+ expectMatchingErrors(() => libMirror.setField(#finalTopLevel, null),
+ () => finalTopLevel= null);
+
+ var classMirror = reflectClass(A);
+ expectMatchingErrors(() => classMirror.invoke(#foo, []),
+ () => A.foo());
+ expectMatchingErrors(() => classMirror.getField(#foo),
+ () => A.foo);
+ expectMatchingErrors(() => classMirror.setField(#foo, null),
+ () => A.foo= null);
+ expectMatchingErrors(() => classMirror.setField(#finalStatic, null),
+ () => A.finalStatic= null);
+ expectMatchingErrors(() => classMirror.newInstance(#constructor, [1, 2, 3]),
+ () => new A.constructor(1, 2, 3));
+
+ var instanceMirror = reflect(new A());
+ expectMatchingErrors(() => instanceMirror.invoke(#foo, []),
+ () => new A().foo());
+ expectMatchingErrors(() => instanceMirror.getField(#foo),
+ () => new A().foo);
+ expectMatchingErrors(() => instanceMirror.setField(#foo, null),
+ () => new A().foo= null);
+ expectMatchingErrors(() => instanceMirror.setField(#finalInstance, null),
+ () => new A().finalInstance= null);
+}
+
+main() {
+ testMessageContents();
+ testMatchingMessages(); /// dart2js: ok
+}
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