mirror of
https://github.com/dart-lang/sdk
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854b68f04a
The change in [0] was somewhat finishing RTT checks but didn't fix that part correctly. A later fix to that code in [1] also didn't fix the underlying issue. [0] https://dart-review.googlesource.com/c/sdk/+/249641/22/pkg/dart2wasm/lib/types.dart#471 [1] https://dart-review.googlesource.com/c/sdk/+/292881 (which got relanded) Closes https://github.com/dart-lang/sdk/issues/54994 Issue https://github.com/dart-lang/sdk/issues/54998 Change-Id: I507070514e98cb66a57f4f7f08906a32993265d5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/353900 Commit-Queue: Martin Kustermann <kustermann@google.com> Reviewed-by: Ömer Ağacan <omersa@google.com>
99 lines
2.7 KiB
Dart
99 lines
2.7 KiB
Dart
// Copyright (c) 2024, 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:expect/expect.dart';
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main() {
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test1();
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test2();
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test3();
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test4();
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test5();
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test6();
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test7();
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X<double>();
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X<int>().test1();
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X<int>().test2();
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}
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final bool kTrue = int.parse('1') == 1;
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void test1() {
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final B0<int> a = kTrue ? B2<String>() : B1<bool, bool>();
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Expect.isFalse(a is B2<int>);
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Expect.isTrue(a is B2<String>);
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}
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void test2() {
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final B1<num, num> a = kTrue
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? (B1<int, double>() as B1<num, num>)
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: (B2<double>() as B1<num, num>);
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Expect.isFalse(a is B2<int>);
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Expect.isFalse(a is B2<double>);
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Expect.isFalse(a is B2<num>); // Should be optimized to cid-range check.
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}
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void test3() {
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final B1<int, num> a =
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kTrue ? (B1<int, double>() as B1<int, num>) : (B2<int>() as B1<int, num>);
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Expect.isFalse(a is B2<int>);
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Expect.isFalse(a is B2<double>);
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Expect.isFalse(a is B2<num>);
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}
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void test4() {
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final B1<num, num> a = kTrue ? B2<int>() : B1<num, num>();
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Expect.isTrue(a is B2<num>); // Should be optimized to cid-range check.
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Expect.isTrue(a is B2<int>);
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Expect.isFalse(a is B2<double>);
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}
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void test5() {
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final B1<int, num> a = kTrue ? B2<int>() : B1<int, num>();
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Expect.isTrue(a is B2<num>);
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Expect.isTrue(a is B2<int>);
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Expect.isFalse(a is B2<double>);
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}
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void test6() {
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final B1<int, int> a = kTrue ? B2<int>() : B1<int, int>();
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Expect.isTrue(a is B2<num>); // Should be optimized to cid-range check.
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Expect.isTrue(a is B2<int>); // Should be optimized to cid-range check.
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Expect.isFalse(a is B2<double>);
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}
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void test7() {
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final B1<List<int>, List<int>> a =
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kTrue ? B2<List<int>>() : B1<List<int>, List<int>>();
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Expect.isTrue(a is B2<List<num>>); // Should be optimized to cid-range check.
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Expect.isTrue(a is B2<List<int>>); // Should be optimized to cid-range check.
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Expect.isFalse(a is B2<List<double>>);
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}
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class X<T extends num> {
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void test1() {
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final B1<T, T> a = kTrue ? B2<T>() : B1<T, T>();
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Expect.isTrue(a is B2<T>); // Should be optimized to cid-range check.
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Expect.isTrue(a is B2<int>);
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Expect.isFalse(a is B2<double>);
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}
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void test2() {
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final B1<List<T>, List<T>> a =
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kTrue ? B2<List<T>>() : B1<List<T>, List<T>>();
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Expect.isTrue(a is B2<List<T>>); // Should be optimized to cid-range check.
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Expect.isTrue(
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a is B2<List<num>>); // Should be optimized to cid-range check.
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Expect.isTrue(a is B2<List<int>>);
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Expect.isFalse(a is B2<List<double>>);
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}
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}
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class B0<T> {}
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class B1<T, H> extends B0<int> {}
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class B2<T> extends B1<T, T> {}
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