Ryan Macnak
081e2acf29
Bug: https://github.com/dart-lang/sdk/issues/40045 Change-Id: Ic0f62843d61b613e61f434b72b9553dd1e6897af Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/132441 Reviewed-by: Ben Konyi <bkonyi@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
62 lines
2.1 KiB
Dart
62 lines
2.1 KiB
Dart
// Copyright (c) 2013, 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.generic_f_bounded;
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import 'dart:mirrors';
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import 'package:expect/expect.dart';
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import 'generics_helper.dart';
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class Magnitude<T> {}
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class Real extends Magnitude<Real> {}
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class Sorter<R extends Magnitude<R>> {}
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class RealSorter extends Sorter<Real> {}
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main() {
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ClassMirror magnitudeDecl = reflectClass(Magnitude);
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ClassMirror realDecl = reflectClass(Real);
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ClassMirror sorterDecl = reflectClass(Sorter);
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ClassMirror realSorterDecl = reflectClass(RealSorter);
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ClassMirror magnitudeOfReal = realDecl.superclass!;
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ClassMirror sorterOfReal = realSorterDecl.superclass!;
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Expect.isTrue(magnitudeDecl.isOriginalDeclaration);
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Expect.isTrue(realDecl.isOriginalDeclaration);
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Expect.isTrue(sorterDecl.isOriginalDeclaration);
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Expect.isTrue(realSorterDecl.isOriginalDeclaration);
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Expect.isFalse(magnitudeOfReal.isOriginalDeclaration);
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Expect.isFalse(sorterOfReal.isOriginalDeclaration);
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TypeVariableMirror tFromMagnitude = magnitudeDecl.typeVariables.single;
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TypeVariableMirror rFromSorter = sorterDecl.typeVariables.single;
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Expect.equals(reflectClass(Object), tFromMagnitude.upperBound);
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ClassMirror magnitudeOfR = rFromSorter.upperBound as ClassMirror;
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Expect.isFalse(magnitudeOfR.isOriginalDeclaration);
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Expect.equals(magnitudeDecl, magnitudeOfR.originalDeclaration);
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Expect.equals(rFromSorter, magnitudeOfR.typeArguments.single);
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typeParameters(magnitudeDecl, [#T]);
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typeParameters(realDecl, []);
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typeParameters(sorterDecl, [#R]);
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typeParameters(realSorterDecl, []);
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typeParameters(magnitudeOfReal, [#T]);
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typeParameters(sorterOfReal, [#R]);
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typeParameters(magnitudeOfR, [#T]);
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typeArguments(magnitudeDecl, []);
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typeArguments(realDecl, []);
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typeArguments(sorterDecl, []);
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typeArguments(realSorterDecl, []);
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typeArguments(magnitudeOfReal, [realDecl]); //# 01: ok
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typeArguments(sorterOfReal, [realDecl]); //# 01: ok
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typeArguments(magnitudeOfR, [rFromSorter]);
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}
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