public void CollectionsWithSameCountOfNulls_ShouldBeEqual()
{
var first = new[] { "a", null, null };
var second = new[] { null, "a", null };
Assert.IsTrue(MultiSetEqualityComparer.Equals(first, second));
}
public void ShouldUseGivenEqualityComparer()
{
var first = new[] { 1 };
var second = new[] { 22 };
Assert.IsTrue(MultiSetEqualityComparer.Equals(first, second, new AlwaysEqualsEqualityComparer <int>()));
}
public void NullCollections_ShouldBeEqual()
{
var first = (string[])null;
var second = (string[])null;
Assert.IsTrue(MultiSetEqualityComparer.Equals(first, second));
}
public void CollectionsWithDifferentNullItemsCount_ShouldBeNotEqual()
{
var first = new[] { "a", null };
var second = new[] { null, "a", null };
Assert.IsFalse(MultiSetEqualityComparer.Equals(first, second));
}
public void MultisetCollectionsWithDifferentCountsOfItem_ShouldBeNotEqual()
{
var first = new[] { "a", "b", "b" };
var second = new[] { "a", "a", "b" };
Assert.IsFalse(MultiSetEqualityComparer.Equals(first, second));
}
public void ShouldHandleNullItems()
{
var first = new[] { "a", null };
var second = new[] { "a", null };
Assert.IsTrue(MultiSetEqualityComparer.Equals(first, second));
}
public void ShuffledCollectionsWithSameItems_ShouldBeEqual()
{
var first = new[] { "a", "b" };
var second = new[] { "b", "a" };
Assert.IsTrue(MultiSetEqualityComparer.Equals(first, second));
}
public void NotNullCollection_ShouldBeNotEqualToNullOne()
{
var first = new string[] { };
var second = (string[])null;
Assert.IsFalse(MultiSetEqualityComparer.Equals(first, second));
}
public void EmptyCollections_ShouldBeEqual()
{
var first = new string[] { };
var second = new string[] { };
Assert.IsTrue(MultiSetEqualityComparer.Equals(first, second));
}
public bool Equals(CollectionByValue <T> other)
{
if (other is null)
{
return(false);
}
var inOrder = Options.InOrder || other.Options.InOrder;
if (inOrder)
{
if (_collection is null)
{
return(other._collection is null);
}
if (other._collection is null)
{
return(false);
}
if (_collection.Count != other._collection.Count)
{
return(false);
}
return(_collection.SequenceEqual(other._collection, Options.EqualityComparer));
}
else
{
return(MultiSetEqualityComparer.Equals(_collection, other._collection, Options.EqualityComparer));
}
}
public bool Equals(DictionaryByValue <TKey, TValue> other)
{
if (other is null)
{
return(false);
}
return(MultiSetEqualityComparer.Equals(
_collection,
other._collection,
Options.KeysEqualityComparer,
Options.ValuesEqualityComparer));
}
public void NullDicts_ShouldBeEqual()
{
var first = (IDict)null;
var second = (IDict)null;
Assert.IsTrue(MultiSetEqualityComparer.Equals(first, second, default, default));