Johnni Winther
2172993731
Change-Id: I5f40ab64923e6b1612e41fd96e3b92d52e2f79b1 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/314720 Reviewed-by: Chloe Stefantsova <cstefantsova@google.com> Commit-Queue: Johnni Winther <johnniwinther@google.com>
48 lines
1.1 KiB
Dart
48 lines
1.1 KiB
Dart
// Copyright (c) 2023, 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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void main() {
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switch ([1, 2, 3]) {
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case [6, ...var rest]:
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expect(null, rest);
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case [...var all]:
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expect([1, 2, 3], all);
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}
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switch ([1, 2, 3]) {
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case [...var all]:
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expect([1, 2, 3], all);
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case [6, ...var rest]:
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expect(null, rest);
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}
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switch ([1, 2, 3]) {
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case [6, 7, ...var rest]:
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expect(null, rest);
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case [_, ...var all]:
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expect([2, 3], all);
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}
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switch ([1, 2, 3]) {
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case [_, ...var all]:
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expect([2, 3], all);
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case [6, 7, ...var rest]:
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expect(null, rest);
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}
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}
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expect(List? expected, List actual) {
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if (expected == null) {
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if (actual != null) {
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throw 'Unexpected $actual';
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}
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return;
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}
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if (expected.length != actual.length) {
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throw 'Expected $expected, actual $actual';
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}
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for (int i = 0; i < expected.length; i++) {
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if (expected[i] != actual[i]) {
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throw 'Expected $expected, actual $actual';
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}
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}
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}
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