Ben Konyi
e4411375ed
Manually merged collection/linked_list_test. Otherwise, simple block. Bug: Change-Id: I30df1dc7b02f0767ea0dcfc8247b2e1ce820aed9 Reviewed-on: https://dart-review.googlesource.com/3741 Reviewed-by: Jennifer Messerly <jmesserly@google.com> Reviewed-by: Erik Ernst <eernst@google.com>
43 lines
1.5 KiB
Dart
43 lines
1.5 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 "dart:collection";
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import "package:expect/expect.dart";
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void main() {
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// Test customized maps.
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// Regression test for issue http://dartbug.com/18109
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int hash(s) => s.toLowerCase().hashCode;
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bool equals(a, b) => a.toLowerCase() == b.toLowerCase();
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for (var m in [
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new HashMap<String, int>(equals: equals, hashCode: hash),
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new LinkedHashMap<String, int>(equals: equals, hashCode: hash),
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]) {
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m["Abel"] = 42;
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for (var key in ["Abel", "abel", "ABEL", "Abel"]) {
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Expect.isTrue(m.containsKey(key), "contains $key in ${m.runtimeType} $m");
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Expect.equals(42, m[key], "get $key in ${m.runtimeType} $m");
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Expect.equals(42, m.remove(key), "remove $key in ${m.runtimeType} $m");
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m[key] = 42;
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}
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}
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int abshash(n) => n.abs();
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bool abseq(a, b) => a.abs() == b.abs();
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for (var m in [
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new HashMap<int, int>(equals: abseq, hashCode: abshash),
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new LinkedHashMap<int, int>(equals: abseq, hashCode: abshash),
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]) {
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m[1] = 42;
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for (var key in [1, -1, 1]) {
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Expect.isTrue(m.containsKey(key), "contains $key in ${m.runtimeType} $m");
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Expect.equals(42, m[key], "get $key in ${m.runtimeType} $m");
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Expect.equals(42, m.remove(key), "remove $key in ${m.runtimeType} $m");
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m[key] = 42;
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}
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}
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}
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