public void Equality_on_member_array_of_nullables_works()
{
var x = _fixture.Create <ComparableObject <EnumSmall?[]> >();
x.Field = x.Field?.RandomNulls().ToArray();
x.Property = x.Property?.RandomNulls().ToArray();
var y = _fixture.Create <ComparableObject <EnumSmall?[]> >();
y.Field = y.Field?.RandomNulls().ToArray();
y.Property = y.Property?.RandomNulls().ToArray();
var referenceComparer = new ComparableObjectEqualityComparer <EnumSmall?[]>(new CollectionEqualityComparer <EnumSmall?>());
var expectedHashX = referenceComparer.GetHashCode(x);
var expectedHashY = referenceComparer.GetHashCode(y);
var expectedEquals = referenceComparer.Equals(x, y);
var comparer = ComparerBuilder.Default.GetEqualityComparer <ComparableObject <EnumSmall?[]> >();
var hashX = comparer.GetHashCode(x);
var hashY = comparer.GetHashCode(y);
var equals = comparer.Equals(x, y);
using (new AssertionScope()) {
comparer.Equals(x, x).Should().BeTrue();
comparer.Equals(null, null).Should().BeTrue();
equals.Should().Be(expectedEquals);
hashX.Should().Be(expectedHashX, x.ToJson());
hashY.Should().Be(expectedHashY, y.ToJson());
}
}
public void After_clean_custom_comparer_for_value_type_dynamic_comparer_should_be_created()
{
var x = _fixture.Create <ComparableObject <ComparableStruct <string> > >();
var y = _fixture.Create <ComparableObject <ComparableStruct <string> > >();
var reference = new ComparableObjectEqualityComparer <ComparableStruct <string> >(new ComparableStructEqualityComparer <string>());
var expectedEquals = reference.Equals(x, y);
var expectedHash = reference.GetHashCode(x);
var expectedCustomHash = HashCodeCombiner.Combine(0, 0);
var builder = new ComparerBuilder(c => c.SetCustomEqualityComparer <SampleStructCustomEqualityComparer>());
var comparerCustom = builder.GetEqualityComparer <ComparableObject <ComparableStruct <string> > >();
var comparerDefault =
builder.Configure(c => c.SetCustomEqualityComparer <ComparableStruct <string> >(null))
.GetEqualityComparer <ComparableObject <ComparableStruct <string> > >();
using (new AssertionScope()) {
comparerCustom.Equals(x, y).Should().BeTrue();
comparerCustom.GetHashCode(x).Should().Be(expectedCustomHash);
comparerDefault.Equals(x, y).Should().Be(expectedEquals);
comparerDefault.GetHashCode(x).Should().Be(expectedHash);
}
}
