Sergey G. Grekhov
82b78916fd
Change-Id: If31c487e3ebe2c1ae847aff7c8994580b8b6f2f6 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/309660 Reviewed-by: Alexander Thomas <athom@google.com> Commit-Queue: Alexander Thomas <athom@google.com>
32 lines
1.2 KiB
Dart
32 lines
1.2 KiB
Dart
// Copyright (c) 2023, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
/// Test where a pattern does and does not create a context type that leads to
|
|
/// int-to-double conversion.
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
main() {
|
|
// No coercion during runtime destructuring.
|
|
(int, int) record = (1, 2);
|
|
var (double x, double y) = record;
|
|
// ^^^^^^^^
|
|
// [analyzer] COMPILE_TIME_ERROR.PATTERN_TYPE_MISMATCH_IN_IRREFUTABLE_CONTEXT
|
|
// ^
|
|
// [cfe] The matched value of type 'int' isn't assignable to the required type 'double'.
|
|
// ^^^^^^^^
|
|
// [analyzer] COMPILE_TIME_ERROR.PATTERN_TYPE_MISMATCH_IN_IRREFUTABLE_CONTEXT
|
|
// ^
|
|
// [cfe] The matched value of type 'int' isn't assignable to the required type 'double'.
|
|
|
|
// Non-exhaustive since double case doesn't cover uncoerced int type.
|
|
var result = switch (123) {
|
|
// ^^^^^^
|
|
// [analyzer] COMPILE_TIME_ERROR.NON_EXHAUSTIVE_SWITCH_EXPRESSION
|
|
// ^
|
|
// [cfe] The type 'int' is not exhaustively matched by the switch cases since it doesn't match 'int()'.
|
|
double d => 'wrong'
|
|
};
|
|
}
|