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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 |
| 5 library test.generic_f_bounded; |
| 6 |
| 7 import 'dart:mirrors'; |
| 8 |
| 9 import 'package:expect/expect.dart'; |
| 10 |
| 11 import 'generics_helper.dart'; |
| 12 |
| 13 class Magnitude<T> {} |
| 14 class Real extends Magnitude<Real> {} |
| 15 class Sorter<R extends Magnitude<R>> {} |
| 16 class RealSorter extends Sorter<Real> {} |
| 17 |
| 18 main() { |
| 19 ClassMirror magnitudeDecl = reflectClass(Magnitude); |
| 20 ClassMirror realDecl = reflectClass(Real); |
| 21 ClassMirror sorterDecl = reflectClass(Sorter); |
| 22 ClassMirror realSorterDecl = reflectClass(RealSorter); |
| 23 ClassMirror magnitudeOfReal = realDecl.superclass; |
| 24 ClassMirror sorterOfReal = realSorterDecl.superclass; |
| 25 |
| 26 Expect.isTrue(magnitudeDecl.isOriginalDeclaration); |
| 27 Expect.isTrue(realDecl.isOriginalDeclaration); |
| 28 Expect.isTrue(sorterDecl.isOriginalDeclaration); |
| 29 Expect.isTrue(realSorterDecl.isOriginalDeclaration); |
| 30 Expect.isFalse(magnitudeOfReal.isOriginalDeclaration); |
| 31 Expect.isFalse(sorterOfReal.isOriginalDeclaration); |
| 32 |
| 33 TypeVariableMirror tFromMagnitude = magnitudeDecl.typeVariables.single; |
| 34 TypeVariableMirror rFromSorter = sorterDecl.typeVariables.single; |
| 35 |
| 36 Expect.equals(reflectClass(Object), tFromMagnitude.upperBound); |
| 37 |
| 38 ClassMirror magnitudeOfR = rFromSorter.upperBound; |
| 39 Expect.isFalse(magnitudeOfR.isOriginalDeclaration); |
| 40 Expect.equals(magnitudeDecl, magnitudeOfR.originalDeclaration); |
| 41 Expect.equals(rFromSorter, magnitudeOfR.typeArguments.single); |
| 42 |
| 43 typeParameters(magnitudeDecl, [#T]); |
| 44 typeParameters(realDecl, []); |
| 45 typeParameters(sorterDecl, [#R]); |
| 46 typeParameters(realSorterDecl, []); |
| 47 typeParameters(magnitudeOfReal, [#T]); |
| 48 typeParameters(sorterOfReal, [#R]); |
| 49 typeParameters(magnitudeOfR, [#T]); |
| 50 |
| 51 typeArguments(magnitudeDecl, []); |
| 52 typeArguments(realDecl, []); |
| 53 typeArguments(sorterDecl, []); |
| 54 typeArguments(realSorterDecl, []); |
| 55 typeArguments(magnitudeOfReal, [realDecl]); /// 01: ok |
| 56 typeArguments(sorterOfReal, [realDecl]); /// 01: ok |
| 57 typeArguments(magnitudeOfR, [rFromSorter]); |
| 58 } |
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