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8dfd25ac7a
See: #52480 Change-Id: Ife785a2f77579b93854779e43ac349342ac06af3 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/305480 Reviewed-by: Nicholas Shahan <nshahan@google.com>
37 lines
1.3 KiB
Dart
37 lines
1.3 KiB
Dart
// Copyright (c) 2023, 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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// Tests record numeric subtyping rules with web semantics.
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// Regression test for https://github.com/dart-lang/sdk/issues/52480
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import "package:expect/expect.dart";
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main() {
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Expect.notSubtype<(int, int), (double, double)>();
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Expect.notSubtype<(int, double), (double, double)>();
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Expect.notSubtype<(double, double), (int, int)>();
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Expect.notSubtype<(int, double), (int, int)>();
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Object mixedTuple = (0, 0.1);
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(double, double) doubleTuple = (0.0, 0.1);
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Object someTuple = doubleTuple;
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Expect.type<(double, double)>(mixedTuple);
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Expect.type<(int, double)>(mixedTuple);
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Expect.type<(double, double)>(someTuple);
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Expect.type<(int, double)>(someTuple);
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dynamic dynamicIntTuple = (4, 4);
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dynamic dynamicDoubleTuple = doubleTuple;
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Expect.type<(int, int)>(dynamicIntTuple);
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Expect.type<(int, double)>(dynamicIntTuple);
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Expect.type<(double, int)>(dynamicIntTuple);
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Expect.type<(double, double)>(dynamicIntTuple);
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Expect.notType<(int, int)>(dynamicDoubleTuple);
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Expect.type<(int, double)>(dynamicDoubleTuple);
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Expect.notType<(double, int)>(dynamicDoubleTuple);
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Expect.type<(double, double)>(dynamicDoubleTuple);
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}
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