Mayank Patke
f79ed9301b
Now that dart2js only takes migrated files as input, all tests should use the current language version. Change-Id: I6c84850f5786aeac04154b67bd7a3c19083c8bba Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/345344 Reviewed-by: Nate Biggs <natebiggs@google.com> Commit-Queue: Mayank Patke <fishythefish@google.com>
53 lines
1.2 KiB
Dart
53 lines
1.2 KiB
Dart
// Copyright (c) 2012, 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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import 'package:compiler/src/util/testing.dart';
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/*class: A:needsArgs*/
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class A<X, Y, Z> {
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shift() => A<Z, X, Y>();
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swap() => A<Z, Y, X>();
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first() => A<X, X, X>();
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last() => A<Z, Z, Z>();
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wrap() => A<A<X, X, X>, A<Y, Y, Y>, A<Z, Z, Z>>();
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}
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class B extends A<U, V, W> {}
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/*class: C:needsArgs*/
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class C<T> extends A<U, T, W> {}
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/*class: D:needsArgs*/
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class D<X, Y, Z> extends A<Y, Z, X> {}
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class U {}
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class V {}
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class W {}
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sameType(a, b) => makeLive(a.runtimeType == b.runtimeType);
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main() {
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A a = A<U, V, W>();
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sameType(new A<W, U, V>(), a.shift());
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sameType(new A<W, V, U>(), a.swap());
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sameType(new A<U, U, U>(), a.first());
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sameType(new A<W, W, W>(), a.last());
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sameType(new A<A<U, U, U>, A<V, V, V>, A<W, W, W>>(), a.wrap());
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B b = B();
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sameType(new A<A<U, U, U>, A<V, V, V>, A<W, W, W>>(), b.wrap());
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C c = C<V>();
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sameType(new A<A<U, U, U>, A<V, V, V>, A<W, W, W>>(), c.wrap());
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D d = D<U, V, W>();
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sameType(new A<A<V, V, V>, A<W, W, W>, A<U, U, U>>(), d.wrap());
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}
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