mirror of
https://github.com/dart-lang/sdk
synced 2024-09-15 23:59:47 +00:00
07b9df22ac
No behavioral changes, just getting rid of a lot of redundant closures and helper functions. Change-Id: I55c52c2cc9e5505bb64203c31aad8d76847f8eeb Reviewed-on: https://dart-review.googlesource.com/14320 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: William Hesse <whesse@google.com>
62 lines
1.8 KiB
Dart
62 lines
1.8 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:expect/expect.dart";
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import 'dart:collection';
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class MyList extends ListBase {
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List list;
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MyList(this.list);
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get length => list.length;
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set length(val) {
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list.length = val;
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}
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operator [](index) => list[index];
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operator []=(index, val) => list[index] = val;
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String toString() => "[" + join(", ") + "]";
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}
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// l1 must be a modifiable list with 5 elements from 0 to 4.
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void testModifiableList(l1) {
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// Index must be integer and in range.
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Expect.throwsRangeError(() => l1.removeAt(-1), "negative");
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Expect.throwsRangeError(() => l1.removeAt(5), "too large");
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Expect.throwsArgumentError(() => l1.removeAt(null), "too large");
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Expect.equals(2, l1.removeAt(2), "l1-remove2");
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Expect.equals(1, l1[1], "l1-1[1]");
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Expect.equals(3, l1[2], "l1-1[2]");
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Expect.equals(4, l1[3], "l1-1[3]");
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Expect.equals(4, l1.length, "length-1");
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Expect.equals(0, l1.removeAt(0), "l1-remove0");
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Expect.equals(1, l1[0], "l1-2[0]");
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Expect.equals(3, l1[1], "l1-2[1]");
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Expect.equals(4, l1[2], "l1-2[2]");
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Expect.equals(3, l1.length, "length-2");
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}
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void main() {
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// Normal modifiable list.
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testModifiableList([0, 1, 2, 3, 4]);
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testModifiableList(new MyList([0, 1, 2, 3, 4]));
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// Fixed size list.
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var l2 = new List(5);
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for (var i = 0; i < 5; i++) l2[i] = i;
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Expect.throwsUnsupportedError(() => l2.removeAt(2), "fixed-length");
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// Unmodifiable list.
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var l3 = const [0, 1, 2, 3, 4];
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Expect.throwsUnsupportedError(() => l3.removeAt(2), "unmodifiable");
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// Empty list is not special.
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var l4 = [];
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Expect.throwsRangeError(() => l4.removeAt(0), "empty");
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}
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