public void EntToEnd_WithCustomComparer()
{
var dict = new HashSet <EverythingEquals>(ReferenceEqualityComparer <EverythingEquals> .Default);
var item1 = new EverythingEquals();
var item2 = new EverythingEquals();
dict.Add(item1);
var added = dict.Add(item2);
Assert.True(added);
}
public void EntToEnd_WithoutCustomComparer()
{
var dict = new HashSet <EverythingEquals>();
var item1 = new EverythingEquals();
var item2 = new EverythingEquals();
dict.Add(item1);
var added = dict.Add(item2);
Assert.False(added, $"since {nameof(EverythingEquals)} implements IEquatable<>, that implementation is used by default");
}
public void EntToEnd_WithoutCustomComparer()
{
// Arrange
var dict = new HashSet <EverythingEquals>();
var item1 = new EverythingEquals();
var item2 = new EverythingEquals();
// Act
dict.Add(item1);
var added = dict.Add(item2);
// Assert
added.Should().BeFalse($"since {nameof(EverythingEquals)} implements IEquatable<>, that implementation is used by default");
}
public void EntToEnd_WithCustomComparer()
{
// Arrange
var dict = new HashSet <EverythingEquals>(ReferenceEqualityComparer <EverythingEquals> .Default);
var item1 = new EverythingEquals();
var item2 = new EverythingEquals();
// Act
dict.Add(item1);
var added = dict.Add(item2);
// Assert
added.Should().BeTrue();
}
