Package h07.graph

Class PathImplTest.TraverserTest

java.lang.Object

h07.graph.PathImplTest.TraverserTest

Enclosing class:

PathImplTest

@Nested
public class PathImplTest.TraverserTest
extends Object

Tests for the Traverser returned by PathImpl.traverser().

Depends on PathImplTest.

Field Summary

Fields

Modifier and Type	Field	Description
Method	getCurrentNode	Method object for Path.Traverser.getCurrentNode()
Method	getDistanceToNextNode	Method object for Path.Traverser.getDistanceToNextNode()
Method	hasNextNode	Method object for Path.Traverser.hasNextNode()
Method	walkToNextNode	Method object for Path.Traverser.walkToNextNode()

Constructor Summary

Constructors

Constructor	Description
TraverserTest()	Creates a new PathImplTest.TraverserTest object.

Method Summary

Modifier and Type	Method	Description
void	testGetCurrentNode(Character[] nodes, int[] arcWeights)	Tests for Path.Traverser.getCurrentNode() on the Traverser returned by PathImpl.traverser().
void	testGetDistanceToNextNode(Character[] nodes, int[] arcWeights)	Tests for Path.Traverser.getDistanceToNextNode() on the Traverser returned by PathImpl.traverser().
void	testHasNextNode(Character[] nodes, int[] arcWeights)	Tests for Path.Traverser.hasNextNode() on the Traverser returned by PathImpl.traverser().
void	testWalkToNextNode(Character[] nodes, int[] arcWeights)	Tests for Path.Traverser.walkToNextNode() on the Traverser returned by PathImpl.traverser().

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

getCurrentNode

public final Method getCurrentNode

Method object for Path.Traverser.getCurrentNode()

getDistanceToNextNode

public final Method getDistanceToNextNode

Method object for Path.Traverser.getDistanceToNextNode()

walkToNextNode

public final Method walkToNextNode

Method object for Path.Traverser.walkToNextNode()

hasNextNode

public final Method hasNextNode

Method object for Path.Traverser.hasNextNode()

Constructor Detail

TraverserTest

public TraverserTest()

Creates a new PathImplTest.TraverserTest object.

Method Detail

testGetCurrentNode

@ParameterizedTest
@ArgumentsSource(PathProvider.class)
public void testGetCurrentNode(Character[] nodes,
                               int[] arcWeights)
                        throws ReflectiveOperationException

Tests for Path.Traverser.getCurrentNode() on the Traverser returned by PathImpl.traverser().
Asserts that the tested method returns the same node the Path was instantiated with when invoked multiple times.

Parameters:

nodes - an array of nodes (supplied by the arguments provider)

arcWeights - an array of weights from a node at index i to the one at index i + 1 (unused, supplied by the arguments provider)

Throws:

ReflectiveOperationException - if any invocation fails

testGetDistanceToNextNode

@ParameterizedTest
@ArgumentsSource(PathProvider.class)
public void testGetDistanceToNextNode(Character[] nodes,
                                      int[] arcWeights)
                               throws ReflectiveOperationException

Tests for Path.Traverser.getDistanceToNextNode() on the Traverser returned by PathImpl.traverser().
Asserts that the tested method returns the expected value when invoked and the current node is not the last one in this path. If it is, asserts that an IllegalArgumentException is thrown.

Parameters:

nodes - an array of nodes (supplied by the arguments provider)

arcWeights - an array of weights from a node at index i to the one at index i + 1 (supplied by the arguments provider)

Throws:

ReflectiveOperationException - if any invocation fails

testWalkToNextNode

@ParameterizedTest
@ArgumentsSource(PathProvider.class)
public void testWalkToNextNode(Character[] nodes,
                               int[] arcWeights)
                        throws ReflectiveOperationException

Tests for Path.Traverser.walkToNextNode() on the Traverser returned by PathImpl.traverser(). Requires testGetCurrentNode(Character[], int[]).
Asserts that the tested method advances the traverser to the next node when invoked and the current node is not the last one in this path. If it is, asserts that an NoSuchElementException is thrown.

Parameters:

nodes - an array of nodes (supplied by the arguments provider)

arcWeights - an array of weights from a node at index i to the one at index i + 1 (supplied by the arguments provider)

Throws:

ReflectiveOperationException - if any invocation fails

testHasNextNode

@ParameterizedTest
@ArgumentsSource(PathProvider.class)
public void testHasNextNode(Character[] nodes,
                            int[] arcWeights)
                     throws ReflectiveOperationException

Tests for Path.Traverser.hasNextNode() on the Traverser returned by PathImpl.traverser().
Asserts that the tested method returns true if the current node is not the last one in this path. If it is, asserts that false is returned.

Parameters:

nodes - an array of nodes (supplied by the arguments provider)

arcWeights - an array of weights from a node at index i to the one at index i + 1 (supplied by the arguments provider)

Throws:

ReflectiveOperationException - if any invocation fails