/// <summary>
/// Initializes a new instance of the <see cref="CurrentValuesIndexerCheck{TKey, TValue}" /> class.
/// </summary>
/// <param name="indexer">The indexer store to check.</param>
/// <param name="name">A name that can be used to identify the check in its verification group.</param>
/// <param name="expectations">
/// A list of key-value pairs to check. The check will retrieve the value for each key
/// in the list and compare it to the value in the list.
/// </param>
/// <param name="comparer">Optional parameter with a comparer used to verify that the values are equal.</param>
public CurrentValuesIndexerCheck(IStoredIndexer <TKey, TValue> indexer, string?name, IEnumerable <KeyValuePair <TKey, TValue> >?expectations,
IEqualityComparer <TValue>?comparer = null)
{
_indexer = indexer ?? throw new ArgumentNullException(nameof(indexer));
_name = name;
_expectations = expectations ?? Enumerable.Empty <KeyValuePair <TKey, TValue> >();
_comparer = comparer ?? EqualityComparer <TValue> .Default;
}
/// <summary>
/// Checks the current values in the indexer store. Adds the check to the verification group provided.
/// </summary>
/// <typeparam name="TKey">The type of the indexer key.</typeparam>
/// <typeparam name="TValue">The type of the indexer value.</typeparam>
/// <param name="indexer">The <see cref="IStoredIndexer{TKey,TValue}" /> whose values to check.</param>
/// <param name="collector">The verification group to which this check is added.</param>
/// <param name="name">A name that can be used to identify the check in its verification group.</param>
/// <param name="expectedValues">
/// A list of key-value pairs to check. The check will retrieve the value for each key
/// in the list and compare it to the value in the list.
/// </param>
/// <param name="comparer">Optional parameter with a comparer used to verify that the values are equal.</param>
/// <returns>The <see cref="IStoredIndexer{TKey,TValue}" /> instance that can be used to add further checks.</returns>
public static IStoredIndexer <TKey, TValue> CurrentValuesCheck <TKey, TValue>(this IStoredIndexer <TKey, TValue> indexer,
VerificationGroup collector,
string?name, IEnumerable <KeyValuePair <TKey, TValue> >?expectedValues, IEqualityComparer <TValue>?comparer = null)
{
collector.Add(new CurrentValuesIndexerCheck <TKey, TValue>(indexer, name, expectedValues, comparer));
return(indexer);
}
