public void ClassNullableIntFieldsAffectEquality()
{
var object1 = new SampleClass { NullableField = null };
var object2 = new SampleClass { NullableField = 1 };
PAssert.That(() => !FieldwiseEquality.AreEqual(object1, object2));
PAssert.That(() => FieldwiseEquality.AreEqual(new SampleClass { NullableField = 3 }, new SampleClass { NullableField = 3 }));
}
public void ClassStructFieldsAffectHash()
{
var object1 = new SampleClass { PlainStruct = new CustomStruct { Bla = 1 } };
var object2 = new SampleClass { PlainStruct = new CustomStruct { Bla = 2 } };
var object3A = new SampleClass { PlainStruct = new CustomStruct { Bla = 3 } };
var object3B = new SampleClass { PlainStruct = new CustomStruct { Bla = 3 } };
PAssert.That(() => FieldwiseHasher.Hash(object1) != FieldwiseHasher.Hash(object2));
PAssert.That(() => FieldwiseHasher.Hash(object3A) == FieldwiseHasher.Hash(object3B));
}
public void ClassStructFieldsAffectEquality()
{
var object1 = new SampleClass { PlainStruct = new CustomStruct { Bla = 1 } };
var object2 = new SampleClass { PlainStruct = new CustomStruct { Bla = 2 } };
var object3A = new SampleClass { PlainStruct = new CustomStruct { Bla = 3 } };
var object3B = new SampleClass { PlainStruct = new CustomStruct { Bla = 3 } };
PAssert.That(() => !FieldwiseEquality.AreEqual(object1, object2));
PAssert.That(() => FieldwiseEquality.AreEqual(object3A, object3B));
}
public void IdenticallyValuedClassesHaveEqualHashCodeAndAreEqual()
// ReSharper disable once EqualExpressionComparison
{
var objA = new SampleClass {
AnEnum = SampleEnum.P, NullableField = 4, PlainStruct = { Bla = 2 }
};
var objB = new SampleClass {
AnEnum = SampleEnum.P, NullableField = 4, PlainStruct = { Bla = 2 }
};
PAssert.That(() => objA != objB && eqClass.Equals(objA, objB) && eqClass.GetHashCode(objA) == eqClass.GetHashCode(objB));
}
public void TypeDoesNotAffectRuntimeEquality()
{
var sampleClass = new SampleClass {
AnEnum = SampleEnum.Q
};
var sampleSubClass = new SampleSubClass {
AnEnum = SampleEnum.Q
};
//This is really pretty unwanted behavior
PAssert.That(() => FieldwiseEquality.AreEqual(sampleClass, sampleSubClass));
}
public void ClassNullableIntFieldsAffectEquality()
{
var object1 = new SampleClass {
NullableField = null
};
var object2 = new SampleClass {
NullableField = 1
};
PAssert.That(() => !FieldwiseEquality.AreEqual(object1, object2));
PAssert.That(() => FieldwiseEquality.AreEqual(new SampleClass {
NullableField = 3
}, new SampleClass {
NullableField = 3
}));
}
public void ClassNullableStructFieldsAffectHash()
{
var object1 = new SampleClass {
NullableStruct = null
};
var object2 = new SampleClass {
NullableStruct = new CustomStruct {
Bla = 2
}
};
var object3A = new SampleClass {
NullableStruct = new CustomStruct {
Bla = 3
}
};
var object3B = new SampleClass {
NullableStruct = new CustomStruct {
Bla = 3
}
};
PAssert.That(() => FieldwiseHasher.Hash(object1) != FieldwiseHasher.Hash(object2));
PAssert.That(() => FieldwiseHasher.Hash(object3A) == FieldwiseHasher.Hash(object3B));
}
public void ClassNullableStructFieldsAffectEquality()
{
var object1 = new SampleClass {
NullableStruct = null
};
var object2 = new SampleClass {
NullableStruct = new CustomStruct {
Bla = 2
}
};
var object3A = new SampleClass {
NullableStruct = new CustomStruct {
Bla = 3
}
};
var object3B = new SampleClass {
NullableStruct = new CustomStruct {
Bla = 3
}
};
PAssert.That(() => !FieldwiseEquality.AreEqual(object1, object2));
PAssert.That(() => FieldwiseEquality.AreEqual(object3A, object3B));
}
public void TypeDoesNotAffectRuntimeEquality()
{
var sampleClass = new SampleClass { AnEnum = SampleEnum.Q };
var sampleSubClass = new SampleSubClass { AnEnum = SampleEnum.Q };
//This is really pretty unwanted behavior
PAssert.That(() => FieldwiseEquality.AreEqual(sampleClass, sampleSubClass));
}