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// -----------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
// -----------------------------------------------------------------------
using System;
using System.Collections.Generic;
namespace Microsoft.Internal.Collections
{
public static class DictionaryExtensions
{
public static bool ContainsAllKeys<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, IEnumerable<TKey> keys)
{
foreach (TKey key in keys)
{
if (!dictionary.ContainsKey(key))
return false;
}
return true;
}
public static bool DictionaryEquals<TKey, TValue>(this IDictionary<TKey, TValue> dictionary1, IDictionary<TKey, TValue> dictionary2)
{
if (dictionary1.Keys.Count != dictionary2.Keys.Count)
{
return false;
}
foreach (KeyValuePair<TKey, TValue> kvp in dictionary1)
{
TValue value1 = kvp.Value;
TValue value2 = default(TValue);
if (!dictionary2.TryGetValue(kvp.Key, out value2))
{
return false;
}
IDictionary<TKey, TValue> nestedDictionary1 = value1 as IDictionary<TKey, TValue>;
IDictionary<TKey, TValue> nestedDictionary2 = value1 as IDictionary<TKey, TValue>;
if ((nestedDictionary1 != null) && (nestedDictionary2 != null))
{
if (!nestedDictionary1.DictionaryEquals(nestedDictionary2))
{
return false;
}
}
else
{
if (!(value1.Equals(value2)))
{
return false;
}
}
}
return true;
}
}
}
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