public void ShouldReturnTrue_WhenGivenNulls()
{
// Arrange
var sut = new MultiSetComparer <int>();
// Act
bool result = sut.Equals(null, null);
// Assert
Assert.True(result);
}
public void ShouldReturnFalse_WhenGivenCollectionAndNull()
{
// Arrange
var set0 = new int[0];
var sut = new MultiSetComparer <int>();
// Act
bool result = sut.Equals(set0, null);
// Assert
Assert.False(result);
}
public void ShouldReturnTrue_WhenGivenEmptyCollections()
{
// Arrange
var set0 = new int[0];
var set1 = new List <int>();
var sut = new MultiSetComparer <int>();
// Act
bool result = sut.Equals(set0, set1);
// Assert
Assert.True(result);
}
public void ShouldUseGivenComparerForComparisons()
{
// Arrange
var set0 = new[] { "B", "D", "g", "g", "A", "C", "E", "e", "E" };
var set1 = new[] { "b", "d", "G", "G", "A", "C", "e", "e", "e" };
var sut = new MultiSetComparer <string>(StringComparer.OrdinalIgnoreCase);
// Act
bool result = sut.Equals(set0, set1);
// Assert
Assert.True(result);
}