public void Detects_cycle_on_first_member()
{
var one = new CycledStructObject();
/*
* 1
* / \
* vX vX
* / | | \
* N N N N
*/
var other = new CycledStructObject();
other.FirstStruct = new CycledStruct {
FirstObject = other
};
/*
* 2
* / \
* v1 vX
* / | | \
* 2 N N N
*/
var expected = CycledStructObject.Comparer.Compare(one, other);
var actual = ComparerObject.Compare(one, other);
using (new AssertionScope()) {
expected.Should().Be(-1);
actual.Should().Be(expected);
}
}
public void Detects_cycle_on_first_member()
{
var one = new CycledStructObject();
/*
* 1
* / \
* vX vX
* / | | \
* N N N N
*/
var other = new CycledStructObject();
other.FirstStruct = new CycledStruct {
FirstObject = other
};
/*
* 2
* / \
* v1 vX
* / | | \
* 2 N N N
*/
using (new AssertionScope()) {
ComparerObject.Equals(one, other).Should().BeFalse();
ComparerObject.GetHashCode(one).Should().Be(0);
ComparerObject.GetHashCode(other).Should().Be(-1940015289);
}
}
public void Detects_cycle_in_object()
{
var one = new CycledStructObject();
one.FirstStruct = new CycledStruct {
SecondObject = one
};
var other = new CycledStructObject();
other.FirstStruct = new CycledStruct {
SecondObject = other
};
using (new AssertionScope()) {
ComparerObject.Equals(one, other).Should().BeTrue();
ComparerObject.GetHashCode(one).Should().Be(ComparerObject.GetHashCode(other));
}
}
public void Detects_cycle_in_object()
{
var one = new CycledStructObject();
one.FirstStruct = new CycledStruct {
SecondObject = one
};
var other = new CycledStructObject();
other.FirstStruct = new CycledStruct {
SecondObject = other
};
var expected = CycledStructObject.Comparer.Compare(one, other);
var actual = ComparerObject.Compare(one, other);
using (new AssertionScope()) {
expected.Should().Be(0);
actual.Should().Be(expected);
}
}
