Nicholas Shahan
a92ac0237a
These are tests for the specific apis of the old runtime type system and they will never pass in the new type system. Change-Id: I740fc06411cdc621b072782d22ec630c5b6bf96a Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/341784 Commit-Queue: Nicholas Shahan <nshahan@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
28 lines
1006 B
Dart
28 lines
1006 B
Dart
// Copyright (c) 2019, 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 'dart:_foreign_helper' show JS_EMBEDDED_GLOBAL;
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import 'dart:_js_shared_embedded_names' show RTI_UNIVERSE;
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import 'dart:_rti' show isSubtype;
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import 'package:expect/expect.dart';
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bool isSubtypeOf(s, t) => isSubtype(JS_EMBEDDED_GLOBAL('', RTI_UNIVERSE), s, t);
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void checkSubtype(s, t) =>
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Expect.isTrue(isSubtypeOf(s, t), '$s should be subtype of $t.');
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void checkProperSubtype(s, t) {
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Expect.isTrue(isSubtypeOf(s, t), '$s should be subtype of $t.');
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checkSubtypeFailure(t, s);
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}
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void checkMutualSubtype(Object s, Object t) {
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Expect.isTrue(isSubtypeOf(s, t), '$s should be subtype of $t.');
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Expect.isTrue(isSubtypeOf(t, s), '$t should be subtype of $s.');
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}
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void checkSubtypeFailure(s, t) =>
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Expect.isFalse(isSubtypeOf(s, t), '$s should not be subtype of $t.');
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