Mayank Patke
c878108cc8
All non-pubspec changes generated by `dart format pkg/compiler`. Change-Id: Iadaa70974816d96ccb47813fe72d5a2bb83d6bda Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/400181 Reviewed-by: Nate Biggs <natebiggs@google.com> Commit-Queue: Mayank Patke <fishythefish@google.com>
70 lines
1.9 KiB
Dart
70 lines
1.9 KiB
Dart
// Copyright (c) 2011, 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:_fe_analyzer_shared/src/util/link.dart' show Link;
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import "package:expect/expect.dart";
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import '../helpers/link_helper.dart';
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main() {
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test(const Link<Comparable>().prepend('three').prepend(2).prepend('one'), [
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'one',
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2,
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'three',
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]);
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test(const Link<Comparable>().prepend(3).prepend('two').prepend(1), [
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1,
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'two',
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3,
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]);
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test(const Link<String>().prepend('single'), ['single']);
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test(const Link(), []);
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testFromList([]);
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testFromList([0]);
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testFromList([0, 1]);
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testFromList([0, 1, 2]);
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testFromList([0, 1, 2, 3]);
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testFromList([0, 1, 2, 3, 4]);
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testFromList([0, 1, 2, 3, 4, 5]);
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testSkip();
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}
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testFromList(List list) {
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test(LinkFromList(list), list);
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}
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test(Link link, List list) {
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Expect.equals(list.isEmpty, link.isEmpty);
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int i = 0;
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for (var element in link.toList()) {
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Expect.equals(list[i++], element);
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}
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Expect.equals(list.length, i);
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i = 0;
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for (var element in link) {
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Expect.equals(list[i++], element);
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}
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Expect.equals(list.length, i);
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i = 0;
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for (; !link.isEmpty; link = link.tail!) {
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Expect.equals(list[i++], link.head);
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}
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Expect.equals(list.length, i);
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Expect.isTrue(link.isEmpty);
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}
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testSkip() {
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var nonEmptyLink = LinkFromList([0, 1, 2, 3, 4, 5]);
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for (int i = 0; i < 5; i++) {
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var link = nonEmptyLink.skip(i);
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Expect.isFalse(link.isEmpty);
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Expect.equals(i, link.head);
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}
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Expect.isTrue(nonEmptyLink.skip(6).isEmpty);
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Expect.throws(() => nonEmptyLink.skip(7), (e) => e is RangeError);
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var emptyLink = const Link();
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Expect.isTrue(emptyLink.skip(0).isEmpty);
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Expect.throws(() => emptyLink.skip(1), (e) => e is RangeError);
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}
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