karlklose@google.com
b203f95355
Typedefs are encoded like closure classes, but without a call-method and a superclass.
For example, the typedef `typedef int Foo(String s);` is emitted as:
Foo: {'^': ':15'},
where `15` is the index into `init.metadata` at which the function type is emitted.
BUG= http://dartbug.com/16939
R=johnniwinther@google.com, floitsch@google.com, herhut@google.com
Committed: https://code.google.com/p/dart/source/detail?r=37814
Reverted in https://code.google.com/p/dart/source/detail?r=37848
Committed: https://code.google.com/p/dart/source/detail?r=37939
Reverted in https://code.google.com/p/dart/source/detail?r=37940
Committed: https://code.google.com/p/dart/source/detail?r=37945
Review URL: https://codereview.chromium.org//360493002
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@38891 260f80e4-7a28-3924-810f-c04153c831b5
111 lines
4.2 KiB
Dart
111 lines
4.2 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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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(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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var 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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var NumPred = thisLibrary.declarations[#NumberPredicate];
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var IntPred = thisLibrary.declarations[#IntegerPredicate];
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var DubPred = thisLibrary.declarations[#DoublePredicate];
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var NumGen = thisLibrary.declarations[#NumberGenerator];
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var IntGen = thisLibrary.declarations[#IntegerGenerator];
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var 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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isNoSuchMethodError(e) => e is NoSuchMethodError;
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Expect.throws(() => NumPred.isSubclassOf(Func), isNoSuchMethodError);
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Expect.throws(() => IntPred.isSubclassOf(Func), isNoSuchMethodError);
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Expect.throws(() => DubPred.isSubclassOf(Func), isNoSuchMethodError);
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Expect.throws(() => NumGen.isSubclassOf(Func), isNoSuchMethodError);
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Expect.throws(() => IntGen.isSubclassOf(Func), isNoSuchMethodError);
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Expect.throws(() => DubGen.isSubclassOf(Func), isNoSuchMethodError);
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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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