mirror of
https://github.com/dart-lang/sdk
synced 2024-09-19 23:21:43 +00:00
1e28b8987d
Bug: https://github.com/dart-lang/sdk/issues/33091 Bug: https://github.com/dart-lang/sdk/issues/33098 Change-Id: Ibecce1274b9bda47e387d109a29a5af4d53adb7f Reviewed-on: https://dart-review.googlesource.com/54704 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Alexander Aprelev <aam@google.com>
119 lines
4.4 KiB
Dart
119 lines
4.4 KiB
Dart
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library test.relation_subclass;
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import "dart:mirrors";
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import "package:expect/expect.dart";
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class Superclass {}
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class Subclass1 extends Superclass {}
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class Subclass2 extends Superclass {}
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typedef bool NumberPredicate(num x);
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typedef bool IntegerPredicate(int x);
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typedef bool DoublePredicate(double x);
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typedef num NumberGenerator();
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typedef int IntegerGenerator();
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typedef double DoubleGenerator();
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test(MirrorSystem mirrors) {
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LibraryMirror coreLibrary = mirrors.findLibrary(#dart.core);
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LibraryMirror thisLibrary = mirrors.findLibrary(#test.relation_subclass);
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ClassMirror Super = thisLibrary.declarations[#Superclass];
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ClassMirror Sub1 = thisLibrary.declarations[#Subclass1];
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ClassMirror Sub2 = thisLibrary.declarations[#Subclass2];
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ClassMirror Obj = coreLibrary.declarations[#Object];
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ClassMirror Nul = coreLibrary.declarations[#Null];
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Expect.isTrue(Obj.isSubclassOf(Obj));
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Expect.isTrue(Super.isSubclassOf(Super));
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Expect.isTrue(Sub1.isSubclassOf(Sub1));
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Expect.isTrue(Sub2.isSubclassOf(Sub2));
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Expect.isTrue(Nul.isSubclassOf(Nul));
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Expect.isTrue(Sub1.isSubclassOf(Super));
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Expect.isFalse(Super.isSubclassOf(Sub1));
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Expect.isTrue(Sub2.isSubclassOf(Super));
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Expect.isFalse(Super.isSubclassOf(Sub2));
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Expect.isFalse(Sub2.isSubclassOf(Sub1));
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Expect.isFalse(Sub1.isSubclassOf(Sub2));
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Expect.isTrue(Sub1.isSubclassOf(Obj));
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Expect.isFalse(Obj.isSubclassOf(Sub1));
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Expect.isTrue(Sub2.isSubclassOf(Obj));
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Expect.isFalse(Obj.isSubclassOf(Sub2));
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Expect.isTrue(Super.isSubclassOf(Obj));
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Expect.isFalse(Obj.isSubclassOf(Super));
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Expect.isTrue(Nul.isSubclassOf(Obj));
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Expect.isFalse(Obj.isSubclassOf(Nul));
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Expect.isFalse(Nul.isSubclassOf(Super));
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Expect.isFalse(Super.isSubclassOf(Nul));
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ClassMirror Func = coreLibrary.declarations[#Function];
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Expect.isTrue(Func.isSubclassOf(Obj));
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Expect.isFalse(Obj.isSubclassOf(Func));
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// Function typedef.
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dynamic NumPred = thisLibrary.declarations[#NumberPredicate];
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dynamic IntPred = thisLibrary.declarations[#IntegerPredicate];
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dynamic DubPred = thisLibrary.declarations[#DoublePredicate];
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dynamic NumGen = thisLibrary.declarations[#NumberGenerator];
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dynamic IntGen = thisLibrary.declarations[#IntegerGenerator];
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dynamic DubGen = thisLibrary.declarations[#DoubleGenerator];
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isArgumentOrTypeError(e) => e is ArgumentError || e is TypeError;
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Expect.throws(() => Func.isSubclassOf(NumPred), isArgumentOrTypeError);
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Expect.throws(() => Func.isSubclassOf(IntPred), isArgumentOrTypeError);
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Expect.throws(() => Func.isSubclassOf(DubPred), isArgumentOrTypeError);
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Expect.throws(() => Func.isSubclassOf(NumGen), isArgumentOrTypeError);
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Expect.throws(() => Func.isSubclassOf(IntGen), isArgumentOrTypeError);
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Expect.throws(() => Func.isSubclassOf(DubGen), isArgumentOrTypeError);
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Expect.throwsNoSuchMethodError(() => NumPred.isSubclassOf(Func));
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Expect.throwsNoSuchMethodError(() => IntPred.isSubclassOf(Func));
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Expect.throwsNoSuchMethodError(() => DubPred.isSubclassOf(Func));
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Expect.throwsNoSuchMethodError(() => NumGen.isSubclassOf(Func));
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Expect.throwsNoSuchMethodError(() => IntGen.isSubclassOf(Func));
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Expect.throwsNoSuchMethodError(() => DubGen.isSubclassOf(Func));
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// Function type.
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TypeMirror NumPredRef = (NumPred as TypedefMirror).referent;
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TypeMirror IntPredRef = (IntPred as TypedefMirror).referent;
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TypeMirror DubPredRef = (DubPred as TypedefMirror).referent;
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TypeMirror NumGenRef = (NumGen as TypedefMirror).referent;
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TypeMirror IntGenRef = (IntGen as TypedefMirror).referent;
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TypeMirror DubGenRef = (DubGen as TypedefMirror).referent;
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Expect.isFalse(Func.isSubclassOf(NumPredRef));
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Expect.isFalse(Func.isSubclassOf(IntPredRef));
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Expect.isFalse(Func.isSubclassOf(DubPredRef));
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Expect.isFalse(Func.isSubclassOf(NumGenRef));
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Expect.isFalse(Func.isSubclassOf(IntGenRef));
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Expect.isFalse(Func.isSubclassOf(DubGenRef));
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// The spec doesn't require these to be either value, only that they implement
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// Function.
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// NumPredRef.isSubclassOf(Func);
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// IntPredRef.isSubclassOf(Func);
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// DubPredRef.isSubclassOf(Func);
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// NumGenRef.isSubclassOf(Func);
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// IntGenRef.isSubclassOf(Func);
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// DubGenRef.isSubclassOf(Func);
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}
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main() {
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test(currentMirrorSystem());
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}
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