public void OneDifferentObjectMemberCausesInequality()
{
PAssert.That(() => !FieldwiseEquality.AreEqual(Tuple.Create(1, 2, "3", 4), Tuple.Create(11, 2, "3", 4)));
PAssert.That(() => !FieldwiseEquality.AreEqual(Tuple.Create(1, 2, "3", 4), Tuple.Create(1, 12, "3", 4)));
PAssert.That(() => !FieldwiseEquality.AreEqual(Tuple.Create(1, 2, "3", 4), Tuple.Create(1, 2, "13", 4)));
PAssert.That(() => !FieldwiseEquality.AreEqual(Tuple.Create(1, 2, "3", 4), Tuple.Create(1, 2, "3", 14)));
}
public void TuplesWithTheSameFieldValuesAreEqual()
{
//it's important that this is a class not struct instance so we've checked that
//also, that means we're accessing another assemblies private fields
PAssert.That(() =>
FieldwiseEquality.AreEqual(Tuple.Create(1, 2, "3", 4), Tuple.Create(1, 2, "3", 4)));
}
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 CanCheckEqualityWithNull()
{
PAssert.That(() => !FieldwiseEquality.AreEqual(Tuple.Create(1), null));
PAssert.That(() => !FieldwiseEquality.AreEqual(null, Tuple.Create(1)));
PAssert.That(() => FieldwiseEquality.AreEqual <SampleStruct?>(null, null));
PAssert.That(() => FieldwiseEquality.AreEqual <SampleClass>(null, null));
}
public void NonIdenticalValuesAreNotEqual()
{
var a = new SampleSubWithPrivateInherited(1);
var b = new SampleSubWithPrivateInherited(2);
PAssert.That(() =>
!FieldwiseEquality.AreEqual(a, b) &&
!ReferenceEquals(a, b)
);
}
public void IdenticalValuesAreEqual()
{
var a = new SampleSubWithProtectedInherited(1);
var b = new SampleSubWithProtectedInherited(1);
PAssert.That(() =>
FieldwiseEquality.AreEqual(a, b) &&
!ReferenceEquals(a, b)
);
}
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 AutoPropsAffectEquality()
{
PAssert.That(() => FieldwiseEquality.AreEqual(new SampleClass {
AutoPropWithPrivateBackingField = "x"
}, new SampleClass {
AutoPropWithPrivateBackingField = "x"
}));
PAssert.That(() => !FieldwiseEquality.AreEqual(new SampleClass {
AutoPropWithPrivateBackingField = "x"
}, new SampleClass {
AutoPropWithPrivateBackingField = "y"
}));
}
public void SubClassesVerifyEqualityOfBaseClassFields()
{
PAssert.That(() => !FieldwiseEquality.AreEqual(new SampleSubClassWithFields {
AnEnum = SampleEnum.Q
}, new SampleSubClassWithFields {
AnEnum = SampleEnum.P
}));
PAssert.That(() => FieldwiseEquality.AreEqual(new SampleSubClassWithFields {
AnEnum = SampleEnum.Q
}, new SampleSubClassWithFields {
AnEnum = SampleEnum.Q
}));
}
public void StructFieldsAffectEquality()
{
PAssert.That(() =>
FieldwiseEquality.AreEqual(new SampleClass {
PlainStruct = { Bla = 1 }
}, new SampleClass {
PlainStruct = { Bla = 1 }
}));
PAssert.That(() =>
!FieldwiseEquality.AreEqual(new SampleClass {
PlainStruct = { Bla = 1 }
}, new SampleClass {
PlainStruct = { Bla = 2 }
}));
}
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 StructIntFieldsAffectEquality()
{
var customStruct1 = new CustomStruct {
Bla = 1
};
var customStruct2 = new CustomStruct {
Bla = 2
};
PAssert.That(() => !FieldwiseEquality.AreEqual(customStruct1, customStruct2));
PAssert.That(() => FieldwiseEquality.AreEqual(new CustomStruct {
Bla = 3
}, new CustomStruct {
Bla = 3
}));
}
public void StructFieldsAffectEquality()
{
//MemberMemberBindings are buggy, so use PlainStruct=new... syntax; ref https://github.com/dotnet/corefx/issues/37968
PAssert.That(() => FieldwiseEquality.AreEqual(new SampleClass {
PlainStruct = new CustomStruct {
Bla = 1
}
}, new SampleClass {
PlainStruct = new CustomStruct {
Bla = 1
}
}));
PAssert.That(() => !FieldwiseEquality.AreEqual(new SampleClass {
PlainStruct = new CustomStruct {
Bla = 1
}
}, new SampleClass {
PlainStruct = new CustomStruct {
Bla = 2
}
}));
}
public void CanCheckEqualityWithNull()
{
PAssert.That(() =>
!FieldwiseEquality.AreEqual(Tuple.Create(1), null));
}
public void TuplesWithTheSameFieldValuesAreEqual() => PAssert.That(() =>
FieldwiseEquality.AreEqual(Tuple.Create(1, 2, "3", 4), Tuple.Create(1, 2, "3", 4))
);
