Robert Nystrom
c9d54c12f6
Change-Id: I3c5cfbc1bc5e41d2ef1598427067dea00f9f42b4 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/425403 Reviewed-by: Lasse Nielsen <lrn@google.com> Commit-Queue: Lasse Nielsen <lrn@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
57 lines
1.1 KiB
Dart
57 lines
1.1 KiB
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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// Tests syntax edge cases.
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import 'package:expect/expect.dart';
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void main() {
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// Trailing comma.
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Expect.listEquals(
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[1, 2],
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[
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...[1, 2],
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],
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);
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Expect.mapEquals(
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{1: 1, 2: 2},
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{
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...{1: 1, 2: 2},
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},
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);
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Expect.setEquals(
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{1, 2},
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{
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...{1, 2},
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},
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);
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// Precedence.
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Expect.listEquals(
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[1, 2, 3],
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[
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1,
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...true ? [2] : [],
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3,
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],
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);
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Expect.listEquals([1, 3], [1, ...?true ? null : [], 3]);
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var a = [0];
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Expect.listEquals(
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[1, 2, 3],
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[
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1,
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...a = [2],
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3,
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],
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);
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var nullableA = [0] as List<int>?;
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Expect.listEquals([1, 3], [1, ...?nullableA = null, 3]);
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var b = [2];
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Expect.listEquals([1, 2, 3, 4], [1, ...b..add(3), 4]);
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var nullableB = [2] as List<int>?;
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Expect.listEquals([1, 2, 3, 4], [1, ...?nullableB?..add(3), 4]);
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}
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