public void SingleNodeEnumerableForEachTwoTimes()
{
// to test the enumeration without the usage of reset()
// (enumerable should yield a new enumerator every time it's called)
TestNode node = new TestNode();
var singleNodeEnumerable = VisitorHelpers.SingleRootEnumerable(node);
int i = 0;
foreach (var curNode in singleNodeEnumerable)
{
Assert.Equal(node, curNode);
i++;
}
Assert.Equal(1, i);
i = 0;
foreach (var curNode in singleNodeEnumerable)
{
Assert.Equal(node, curNode);
i++;
}
Assert.Equal(1, i);
}
public void SingleNodeEnumeratorThrowsOnReset()
{
TestNode node = new TestNode();
var singleNodeEnumerator = VisitorHelpers.SingleRootEnumerator(node);
// See https://docs.microsoft.com/en-us/dotnet/api/system.collections.ienumerator.reset?view=netcore-3.1:
// "The Reset method is provided for COM interoperability. It does not necessarily need to be implemented;
// instead, the implementer can simply throw a NotSupportedException."
Assert.Throws <NotSupportedException>(() => singleNodeEnumerator.Reset());
}
public void SingleNodeEnumerableForEach()
{
TestNode node = new TestNode();
var singleNodeEnumerable = VisitorHelpers.SingleRootEnumerable(node);
int i = 0;
foreach (var curNode in singleNodeEnumerable)
{
Assert.Equal(node, curNode);
i++;
}
Assert.Equal(1, i);
}
/// <summary>
/// Initializes a new instance of the <see cref="OBBCalculator"/> class.
/// </summary>
/// <param name="snc">A single scene node to calculate an axis-aligned bounding box for.</param>
public OBBCalculator(SceneNode snc)
{
_sncList = VisitorHelpers.SingleRootEnumerable(snc);
}