public void SutIsMemberComparer()
{
// Fixture setup
var dummyComparer = new DelegatingEqualityComparer();
var sut = new MemberComparer(dummyComparer);
// Exercise system and verify outcome
Assert.IsAssignableFrom <IMemberComparer>(sut);
// Teardown
}
public void ComparerIsCorrect()
{
// Fixture setup
var expected = new DelegatingEqualityComparer();
var sut = new MemberComparer(expected);
// Exercise system
var result = sut.Comparer;
// Verify outcome
Assert.Equal(expected, result);
// Teardown
}
public void IsSatisfiedByWithDefaultSpecificationForFieldReturnsCorrectResult()
{
// Fixture setup
var field = typeof(FieldHolder <int>).GetProperty("Field");
var dummyComparer = new DelegatingEqualityComparer();
var sut = new MemberComparer(dummyComparer);
// Exercise system
var result = sut.IsSatisfiedBy(field);
// Verify outcome
Assert.True(result);
// Teardown
}
public void InitializeWithNullFieldSpecificationThrows()
{
// Fixture setup
var dummyComparer = new DelegatingEqualityComparer();
var dummySpecification = new DelegatingSpecification <PropertyInfo>();
// Exercise system and verify outcome
Assert.Throws <ArgumentNullException>(() =>
new MemberComparer(
dummyComparer,
dummySpecification,
null));
// Teardown
}
public void GetHashCodeForwardsCorrectCallToComparer(
object obj,
int expected)
{
// Fixture setup
var comparerStub = new DelegatingEqualityComparer
{
OnGetHashCode = x => x == obj ? expected : 0
};
var sut = new MemberComparer(comparerStub);
// Exercise system
var result = sut.GetHashCode(obj);
// Verify outcome
Assert.Equal(expected, result);
// Teardown
}
public void FieldSpecificationIsCorrect()
{
// Fixture setup
var dummyComparer = new DelegatingEqualityComparer();
var expected = new DelegatingSpecification <FieldInfo>();
var dummySpecification = new DelegatingSpecification <PropertyInfo>();
var sut = new MemberComparer(
dummyComparer,
dummySpecification,
expected);
// Exercise system
var result = sut.FieldSpecification;
// Verify outcome
Assert.Equal(expected, result);
// Teardown
}
public void EqualsForwardsCorrectCallToComparer(
object a,
object b,
bool expected)
{
// Fixture setup
var comparerStub = new DelegatingEqualityComparer
{
OnEquals = (x, y) => x.Equals(y)
};
var sut = new MemberComparer(comparerStub);
// Exercise system
var result = sut.Equals(a, b);
// Verify outcome
Assert.Equal(expected, result);
// Teardown
}
public void IsSatisfiedByForFieldReturnsCorrectResult(bool expected)
{
// Fixture setup
var field = typeof(FieldHolder <int>).GetField("Field");
var dummyComparer = new DelegatingEqualityComparer();
var dummySpecification = new DelegatingSpecification <PropertyInfo>();
var fieldSpecificationStub =
new DelegatingSpecification <FieldInfo>
{
OnIsSatisfiedBy = x => expected
};
var sut = new MemberComparer(
dummyComparer,
dummySpecification,
fieldSpecificationStub);
// Exercise system
var result = sut.IsSatisfiedBy(field);
// Verify outcome
Assert.Equal(expected, result);
// Teardown
}
