Peter von der Ahé
990c85276b
Change-Id: Ib23e596edf55285cc63e3a391da3712b2bcb1224 Reviewed-on: https://dart-review.googlesource.com/56761 Reviewed-by: Johnni Winther <johnniwinther@google.com>
45 lines
1.6 KiB
Dart
45 lines
1.6 KiB
Dart
// Copyright (c) 2018, 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:front_end/src/fasta/util/link.dart' show Link, LinkBuilder;
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import 'package:expect/expect.dart' show Expect;
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main() {
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Link<String> strings = const Link<String>().prepend("B").prepend("A");
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Expect.stringEquals("[ A, B ]", "${strings}");
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Expect.stringEquals("[ B, A ]", "${strings.reverse(const Link<String>())}");
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strings = (new LinkBuilder<String>()..addLast("A")..addLast("B"))
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.toLink(const Link<String>());
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Expect.stringEquals("[ A, B ]", "${strings}");
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Expect.stringEquals("[ B, A ]", "${strings.reverse(const Link<String>())}");
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strings = new LinkBuilder<String>()
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.toLink(const Link<String>())
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.prepend("B")
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.prepend("A");
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Expect.stringEquals("[ A, B ]", "${strings}");
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Expect.stringEquals("[ B, A ]", "${strings.reverse(const Link<String>())}");
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strings = const Link<String>()
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.reverse(const Link<String>())
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.prepend("B")
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.prepend("A");
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Expect.stringEquals("[ A, B ]", "${strings}");
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Expect.stringEquals("[ B, A ]", "${strings.reverse(const Link<String>())}");
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strings = (new LinkBuilder<String>()..addLast("A")..addLast("B"))
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.toLink(const Link<String>());
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Expect.stringEquals("[ A, B ]", "${strings}");
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Expect.stringEquals("[ B, A ]", "${strings.reverse(const Link<String>())}");
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Link<int> ints =
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const Link<int>().prepend(1).reverse(const Link<int>()).tail.prepend(1);
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Expect.stringEquals("[ 1 ]", "${ints}");
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}
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