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>
56 lines
1.9 KiB
Dart
56 lines
1.9 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.generics_substitution;
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import 'dart:mirrors';
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import 'package:expect/expect.dart';
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class SuperGeneric<R, S> {
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late R r;
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s(S s) {}
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}
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class Generic<T> extends SuperGeneric<T, int> {
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T t() => throw "does-not-return"; //
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}
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main() {
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ClassMirror genericDecl = reflectClass(Generic);
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ClassMirror genericOfString = reflect(new Generic<String>()).type;
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ClassMirror superGenericDecl = reflectClass(SuperGeneric);
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ClassMirror superOfTAndInt = genericDecl.superclass!;
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ClassMirror superOfStringAndInt = genericOfString.superclass!;
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Expect.isTrue(genericDecl.isOriginalDeclaration);
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Expect.isFalse(genericOfString.isOriginalDeclaration);
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Expect.isTrue(superGenericDecl.isOriginalDeclaration);
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Expect.isFalse(superOfTAndInt.isOriginalDeclaration);
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Expect.isFalse(superOfStringAndInt.isOriginalDeclaration);
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Symbol r(ClassMirror cm) =>
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(cm.declarations[#r] as VariableMirror).type.simpleName;
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Symbol s(ClassMirror cm) =>
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(cm.declarations[#s] as MethodMirror).parameters[0].type.simpleName;
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Symbol t(ClassMirror cm) =>
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(cm.declarations[#t] as MethodMirror).returnType.simpleName;
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Expect.equals(#T, r(genericDecl.superclass!));
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Expect.equals(#int, s(genericDecl.superclass!));
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Expect.equals(#T, t(genericDecl));
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Expect.equals(#String, r(genericOfString.superclass!));
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Expect.equals(#int, s(genericOfString.superclass!));
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Expect.equals(#String, t(genericOfString));
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Expect.equals(#R, r(superGenericDecl));
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Expect.equals(#S, s(superGenericDecl));
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Expect.equals(#T, r(superOfTAndInt));
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Expect.equals(#int, s(superOfTAndInt));
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Expect.equals(#String, r(superOfStringAndInt));
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Expect.equals(#int, s(superOfStringAndInt));
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}
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