public void GraphEqualsNullSecondThrows()
{
var dummyNode = new CompositeSpecimenBuilder();
Assert.Throws <ArgumentNullException>(() =>
dummyNode.GraphEquals(null));
}
public void GraphEqualsWithNullEqualityComparerThrows()
{
var dummyNode1 = new CompositeSpecimenBuilder();
var dummyNode2 = new CompositeSpecimenBuilder();
Assert.Throws <ArgumentNullException>(() =>
dummyNode1.GraphEquals(dummyNode2, null));
}
public void GraphEqualsNullSecondWithEqualityComparerThrows()
{
var dummyNode = new CompositeSpecimenBuilder();
var dummyEqualityComparer = new DelegatingEqualityComparer <ISpecimenBuilder>();
Assert.Throws <ArgumentNullException>(() =>
dummyNode.GraphEquals(null, dummyEqualityComparer));
}
public void EmptyNodesAreEqualAccordingToComparer(bool expected)
{
// Arrange
var node1 = new CompositeSpecimenBuilder();
var node2 = new CompositeSpecimenBuilder();
var comparer = new DelegatingEqualityComparer <ISpecimenBuilder>
{
OnEquals = (x, y) => x == node1 && y == node2 && expected
};
// Act
var actual = node1.GraphEquals(node2, comparer);
// Assert
Assert.Equal(expected, actual);
}
public void EmptyNodesAreEqualAccordingToComparer(bool expected)
{
// Fixture setup
var node1 = new CompositeSpecimenBuilder();
var node2 = new CompositeSpecimenBuilder();
var comparer = new DelegatingEqualityComparer <ISpecimenBuilder>
{
OnEquals = (x, y) => x == node1 && y == node2 && expected
};
// Exercise system
var actual = node1.GraphEquals(node2, comparer);
// Verify outcome
Assert.Equal(expected, actual);
// Teardown
}