LibTest/core/Map/putIfAbsent_A01_t07.test.dart

// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/// @assertion  abstract V putIfAbsent(K key, V ifAbsent())
/// If [key] is not associated to a value, calls [ifAbsent] and
/// updates the map by mapping [key] to the value returned by [ifAbsent].
/// Returns the value in the map.
/// @description Checks that if [key] is already associated to a value,
/// [ifAbsent] is not called and its incorrect value is not detected.
/// @author msyabro

library putIfAbsent_A01_t07;

import "../../../Utils/expect.dart";

test(Map create([Map content])) {
  Map map = create();
  map["1"] = 1;

  map.putIfAbsent("1", () {
    Expect.fail("");
    return 0;
  });
}