public void RemoveChild_ShouldProduceDesiredResults_ForTargetNotContainingChildNodeArgument()
{
// Arrange.
var childNode = new TestTreeNode();
var target = new TestTreeNode();
// Act.
var result = target.RemoveChild(childNode);
// Assert.
result.Should().BeFalse();
}
public void RemoveChild_ShouldRaiseArgumentNullException_ForNullChildNodeArgument()
{
// Arrange.
var target = new TestTreeNode();
var childNode = (TestTreeNode)null;
// Act.
var action = new Action(() =>
{
target.RemoveChild(childNode);
});
// Assert.
action.Should().Throw <ArgumentNullException>($"because {nameof(childNode)} is null");
}
public void RemoveChild_ShouldProduceDesiredResults_ForTargetContainingChildNodeArgument()
{
// Arrange.
var childNode = new TestTreeNode();
var target = new TestTreeNode(0, new TestTreeNode[]
{
childNode
});
// Act.
var result = target.RemoveChild(childNode);
// Assert.
result.Should().BeTrue();
target.Children.Should().NotContain(childNode);
childNode.Parent.Should().BeNull();
}
