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Helpers.cs
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Helpers.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Globalization;
namespace System.Collections.Tests
{
internal static class Helpers
{
public static string[] TestCultureNames =>
PlatformDetection.IsInvariantGlobalization ?
new string[] { "" } :
new string[]
{
"cs-CZ","da-DK","de-DE","el-GR","en-US",
"es-ES","fi-FI","fr-FR","hu-HU","it-IT",
"ja-JP","ko-KR","nb-NO","nl-NL","pl-PL",
"pt-BR","pt-PT","ru-RU","sv-SE","tr-TR",
"zh-CN","zh-HK","zh-TW"
};
public static void PerformActionOnAllHashtableWrappers(Hashtable hashtable, Action<Hashtable> action)
{
// Synchronized returns a slightly different version of Hashtable
Hashtable[] hashtableTypes =
{
(Hashtable)hashtable.Clone(),
Hashtable.Synchronized(hashtable)
};
foreach (Hashtable hashtableType in hashtableTypes)
{
action(hashtableType);
}
}
public static Hashtable CreateIntHashtable(int count, int start = 0)
{
var hashtable = new Hashtable();
for (int i = start; i < start + count; i++)
{
hashtable.Add(i, i);
}
return hashtable;
}
public static Hashtable CreateStringHashtable(int count, int start = 0)
{
var hashtable = new Hashtable();
for (int i = start; i < start + count; i++)
{
string key = "Key_" + i;
string value = "Value_" + i;
hashtable.Add(key, value);
}
return hashtable;
}
public static void PerformActionOnAllArrayListWrappers(ArrayList arrList, Action<ArrayList> action)
{
// Adapter, GetRange, Synchronized, ReadOnly returns a slightly different version of ArrayList.
// The following variable contains each one of these types of array lists
ArrayList[] arrayListTypes =
{
(ArrayList)arrList.Clone(),
(ArrayList)arrList.GetRange(0, arrList.Count).Clone(),
(ArrayList)ArrayList.Adapter(arrList).Clone(),
(ArrayList)ArrayList.FixedSize(arrList).Clone(),
(ArrayList)ArrayList.ReadOnly(arrList).Clone(),
(ArrayList)ArrayList.Synchronized(arrList).Clone()
};
foreach (ArrayList arrListType in arrayListTypes)
{
action(arrListType);
}
}
public static ArrayList CreateStringArrayList(int count, int start = 0, string optionalString = null)
{
var arrayList = new ArrayList();
for (int i = start; i < start + count; i++)
{
arrayList.Add(i.ToString() + optionalString);
}
return arrayList;
}
public static ArrayList CreateIntArrayList(int count, int start = 0)
{
var arrayList = new ArrayList();
for (int i = start; i < start + count; i++)
{
arrayList.Add(i);
}
return arrayList;
}
public static void PerformActionOnAllQueueWrappers(Queue queue, Action<Queue> action)
{
// Synchronized returns a slightly different version of Queue
Queue[] queueTypes =
{
(Queue)queue.Clone(),
Queue.Synchronized(queue)
};
foreach (Queue queueType in queueTypes)
{
action(queueType);
}
}
public static Queue CreateIntQueue(int count, int start = 0)
{
var queue = new Queue();
for (int i = start; i < start + count; i++)
{
queue.Enqueue(i);
}
return queue;
}
public static void PerformActionOnAllStackWrappers(Stack stack, Action<Stack> action)
{
// Synchronized returns a slightly different version of Stack
Stack[] stackTypes =
{
(Stack)stack.Clone(),
Stack.Synchronized(stack)
};
foreach (Stack stackType in stackTypes)
{
action(stackType);
}
}
public static Stack CreateIntStack(int count, int start = 0)
{
var stack = new Stack();
for (int i = start; i < start + count; i++)
{
stack.Push(i);
}
return stack;
}
public static void PerformActionOnAllSortedListWrappers(SortedList sortedList, Action<SortedList> action)
{
// Synchronized returns a slightly different version of Stack
SortedList[] sortedListTypes =
{
(SortedList)sortedList.Clone(),
SortedList.Synchronized(sortedList)
};
foreach (SortedList sortedListType in sortedListTypes)
{
action(sortedListType);
}
}
public static SortedList CreateIntSortedList(int count, int start = 0)
{
var sortedList = new SortedList();
for (int i = start; i < start + count; i++)
{
sortedList.Add(i, i);
}
return sortedList;
}
public static SortedList CreateStringSortedList(int count, int start = 0)
{
var sortedList = new SortedList();
for (int i = start; i < start + count; i++)
{
sortedList.Add($"Key_{i:D2}", $"Value_{i}");
}
return sortedList;
}
public static int[] CreateIntArray(int count, int start = 0)
{
var array = new int[count];
for (int i = start; i < start + count; i++)
{
array[i] = i;
}
return array;
}
}
}