dart-sdk/tests/web_2/generator_elided_parameter_test.dart
Sigmund Cherem 912005267d [web] rename suite dart2js -> web.
Change-Id: I46be49b2effec3e38a3dc44cd45cfe736f77fa78
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/182680
Commit-Queue: Sigmund Cherem <sigmund@google.com>
Reviewed-by: Joshua Litt <joshualitt@google.com>
Reviewed-by: Nicholas Shahan <nshahan@google.com>
Reviewed-by: Stephen Adams <sra@google.com>
2021-02-04 23:11:32 +00:00

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824 B
Dart

// Copyright (c) 2019, 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.
// @dart = 2.7
/// Test that optional arguments of methods with a generator are forwarded
/// properly when optional parameters are elided.
///
/// This is a regression test for issue #35924
import "package:expect/expect.dart";
// The type parameter forces us to create a generator body. The call from the
// method to the body needs to correctly handle elided parameters.
Future<T> foo<T>(T Function(int, int, int) toT,
{int p1: 0, int p2: 1, int p3: 2}) async {
await null;
return toT(p1, p2, p3);
}
main() async {
Expect.equals(await foo<String>((a, b, c) => "$a $b $c", p2: 4), "0 4 2");
}