public void ReturnsTrueForClassWithValueType()
{
object target = new OtherValueType();
var result = Testers.CheckNullInequality(target);
Assert.True(result);
}
public void ReturnsTrueForClassWithStructuralEquality()
{
object target = new OtherClassWithEquality();
var result = Testers.CheckNullInequality(target);
Assert.True(result);
}
public void ReturnsTrueForDefaultClass()
{
object target = new AnotherClass();
var result = Testers.CheckNullInequality(target);
Assert.True(result);
}
private static bool TestEmptyTypes(Func <object> constructor)
{
var a = constructor();
var b = constructor();
var correctNullEquality = Testers.CheckNullInequality(a);
var correctEquality = Testers.CheckEquality(a, b);
var commutativeEquality = Testers.CheckEquality(b, a);
return(correctNullEquality &&
correctEquality &&
commutativeEquality);
}
private static bool TestPopulatedTypes(Type t, IDictionary <Type, Func <object> > constructors)
{
var ctor = constructors[t];
var a = ctor();
var b = ctor();
var c = ctor();
var equalMembers = new[] { a, b, c };
var tType = a.GetType();
var(propertyValues, fieldValues) = Creator.GetPropertyAndFieldValues(tType, constructors);
var memberUnequalItems = SetupEqualityChecksBasedOnProperties(propertyValues, equalMembers, ctor, fieldValues);
var badFields = SetupEqualityChecksBasedOnFields(fieldValues, equalMembers, ctor, propertyValues);
memberUnequalItems.AddRange(badFields);
var empty = ctor();
var emptyInequality = Testers.CheckInequality(a, empty);
var bEquality = Testers.CheckEquality(a, b);
var bCommutativeEquality = Testers.CheckEquality(b, a);
var cEquality = Testers.CheckEquality(a, c);
var associativeEquality = Testers.CheckEquality(b, c);
var memberInequality = Testers.CheckInequality(memberUnequalItems, a);
var nullInequality = Testers.CheckNullInequality(a);
var selfEquality = Testers.CheckEquality(a, a);
var typeInequality = Testers.CheckTypeInequality(tType, a);
return
(nullInequality &&
emptyInequality &&
bEquality &&
bCommutativeEquality &&
cEquality &&
associativeEquality &&
memberInequality &&
selfEquality &&
typeInequality);
}
public void ReturnsFalseForNull()
{
var result = Testers.CheckNullInequality(null);
Assert.False(result);
}