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import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
class ChannelNodeTest {
@Test void doesCorrectExceptions() {
// Should throw an error when:
// Invalid constructor argument
// Invalid member function argument
IChannelNode testNodeA = new ChannelNode();
IChannelNode testNodeB = new ChannelNode();
// Null map should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.setConnections(null, null));
assertThrows(IllegalArgumentException.class, () -> testNodeA.setConnections(null, IChannelNode.Direction.INCOMING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.setConnections(null, IChannelNode.Direction.OUTGOING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.setConnections(null, IChannelNode.Direction.BOTH));
// Null direction should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.setConnections(new HashMap<>(), null));
// Self endpoint should throw
Map<IChannelNode, Integer> temp = new HashMap<>();
temp.put(testNodeA, 1);
assertThrows(IllegalArgumentException.class, () -> testNodeA.setConnections(temp, IChannelNode.Direction.INCOMING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.setConnections(temp, IChannelNode.Direction.OUTGOING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.setConnections(temp, IChannelNode.Direction.BOTH));
// Should not throw
assertDoesNotThrow(() -> testNodeA.setConnections(new HashMap<>(), IChannelNode.Direction.INCOMING));
assertDoesNotThrow(() -> testNodeA.setConnections(new HashMap<>(), IChannelNode.Direction.OUTGOING));
assertDoesNotThrow(() -> testNodeA.setConnections(new HashMap<>(), IChannelNode.Direction.BOTH));
// Null endpoint should throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.setNumConnections(null, null, -1));
assertThrows(IllegalArgumentException.class, () -> testNodeA.setNumConnections(null, IChannelNode.Direction.INCOMING, 1));
assertThrows(IllegalArgumentException.class, () -> testNodeA.setNumConnections(null, IChannelNode.Direction.OUTGOING, 1));
assertThrows(IllegalArgumentException.class, () -> testNodeA.setNumConnections(null, IChannelNode.Direction.BOTH, 1));
// Null direction should throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.setNumConnections(testNodeB, null, 1));
// Self endpoint should throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.setNumConnections(testNodeA, IChannelNode.Direction.INCOMING, 1));
assertThrows(IllegalArgumentException.class, () -> testNodeA.setNumConnections(testNodeA, IChannelNode.Direction.OUTGOING, 1));
assertThrows(IllegalArgumentException.class, () -> testNodeA.setNumConnections(testNodeA, IChannelNode.Direction.BOTH, 1));
// Negative connections should throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.setNumConnections(testNodeB, IChannelNode.Direction.INCOMING, -1));
assertThrows(IllegalArgumentException.class, () -> testNodeA.setNumConnections(testNodeB, IChannelNode.Direction.OUTGOING, -1));
assertThrows(IllegalArgumentException.class, () -> testNodeA.setNumConnections(testNodeB, IChannelNode.Direction.BOTH, -1));
// Should not throw
assertDoesNotThrow(() -> testNodeA.setNumConnections(testNodeB, IChannelNode.Direction.INCOMING, 10));
assertDoesNotThrow(() -> testNodeA.setNumConnections(testNodeB, IChannelNode.Direction.OUTGOING, 10));
assertDoesNotThrow(() -> testNodeA.setNumConnections(testNodeB, IChannelNode.Direction.BOTH, 3));
assertDoesNotThrow(() -> testNodeB.setNumConnections(testNodeA, IChannelNode.Direction.INCOMING, 3));
assertDoesNotThrow(() -> testNodeB.setNumConnections(testNodeA, IChannelNode.Direction.OUTGOING, 5));
assertDoesNotThrow(() -> testNodeB.setNumConnections(testNodeA, IChannelNode.Direction.BOTH, 90));
// Null endpoint should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnection(null, null));
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnection(null, IChannelNode.Direction.INCOMING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnection(null, IChannelNode.Direction.OUTGOING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnection(null, IChannelNode.Direction.BOTH));
// Self endpoint should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnection(testNodeA, IChannelNode.Direction.INCOMING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnection(testNodeA, IChannelNode.Direction.OUTGOING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnection(testNodeA, IChannelNode.Direction.BOTH));
// Null direction should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnection(testNodeB, null));
assertThrows(IllegalArgumentException.class, () -> testNodeB.addConnection(testNodeA, null));
// Should not throw
assertDoesNotThrow(() -> testNodeA.addConnection(testNodeB, IChannelNode.Direction.INCOMING));
assertDoesNotThrow(() -> testNodeA.addConnection(testNodeB, IChannelNode.Direction.OUTGOING));
assertDoesNotThrow(() -> testNodeA.addConnection(testNodeB, IChannelNode.Direction.BOTH));
// Null iterable should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnections(null, null));
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnections(null, IChannelNode.Direction.INCOMING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnections(null, IChannelNode.Direction.OUTGOING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnections(null, IChannelNode.Direction.BOTH));
// Null direction should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnections(List.of(new IChannelNode[]{testNodeB}), null));
assertThrows(IllegalArgumentException.class, () -> testNodeB.addConnections(List.of(new IChannelNode[]{testNodeA}), null));
// Self endpoint should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnections(List.of(new IChannelNode[]{testNodeA}), IChannelNode.Direction.INCOMING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnections(List.of(new IChannelNode[]{testNodeA}), IChannelNode.Direction.OUTGOING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.addConnections(List.of(new IChannelNode[]{testNodeA}), IChannelNode.Direction.BOTH));
// Should not throw
assertDoesNotThrow(() -> testNodeA.addConnections(List.of(new IChannelNode[]{testNodeB}), IChannelNode.Direction.INCOMING));
assertDoesNotThrow(() -> testNodeA.addConnections(List.of(new IChannelNode[]{testNodeB}), IChannelNode.Direction.OUTGOING));
assertDoesNotThrow(() -> testNodeA.addConnections(List.of(new IChannelNode[]{testNodeB}), IChannelNode.Direction.BOTH));
// Null node should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnection(null, null));
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnection(null, IChannelNode.Direction.INCOMING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnection(null, IChannelNode.Direction.OUTGOING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnection(null, IChannelNode.Direction.BOTH));
// Null direction should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnection(testNodeB, null));
assertThrows(IllegalArgumentException.class, () -> testNodeB.removeConnection(testNodeA, null));
// Self node should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnection(testNodeA, IChannelNode.Direction.INCOMING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnection(testNodeA, IChannelNode.Direction.OUTGOING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnection(testNodeA, IChannelNode.Direction.BOTH));
// Null iterable should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnections(null, null));
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnections(null, IChannelNode.Direction.INCOMING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnections(null, IChannelNode.Direction.OUTGOING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnections(null, IChannelNode.Direction.BOTH));
// Null direction should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnections(List.of(new IChannelNode[]{}), null));
// Self node should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnections(List.of(new IChannelNode[]{testNodeA}), IChannelNode.Direction.INCOMING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnections(List.of(new IChannelNode[]{testNodeA}), IChannelNode.Direction.OUTGOING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.removeConnections(List.of(new IChannelNode[]{testNodeA}), IChannelNode.Direction.BOTH));
// Null node should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.connectionExists(null, null));
assertThrows(IllegalArgumentException.class, () -> testNodeA.connectionExists(null, IChannelNode.Direction.INCOMING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.connectionExists(null, IChannelNode.Direction.OUTGOING));
assertThrows(IllegalArgumentException.class, () -> testNodeA.connectionExists(null, IChannelNode.Direction.BOTH));
// Null direction should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.connectionExists(testNodeB, null));
// Null direction should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.getNumConnections(null));
assertDoesNotThrow(() -> testNodeA.getNumConnections(IChannelNode.Direction.INCOMING));
assertDoesNotThrow(() -> testNodeA.getNumConnections(IChannelNode.Direction.OUTGOING));
assertDoesNotThrow(() -> testNodeA.getNumConnections(IChannelNode.Direction.BOTH));
// Null direction should always throw
assertThrows(IllegalArgumentException.class, () -> testNodeA.getConnections(null));
assertDoesNotThrow(() -> testNodeA.getConnections(IChannelNode.Direction.INCOMING));
assertDoesNotThrow(() -> testNodeA.getConnections(IChannelNode.Direction.OUTGOING));
assertDoesNotThrow(() -> testNodeA.getConnections(IChannelNode.Direction.BOTH));
}
@Test void setters_n_getters() {
// void addConnections(Iterable<IChannelNode> nodes, IChannelNode.Direction dir);
// void removeConnection(IChannelNode node, IChannelNode.Direction dir);
// void removeConnections(Iterable<IChannelNode> nodes, IChannelNode.Direction dir);
IChannelNode testNodeA = new ChannelNode();
IChannelNode testNodeB = new ChannelNode();
IChannelNode testNodeC = new ChannelNode();
assertDoesNotThrow(() -> testNodeA.setConnections(Map.ofEntries(
Map.entry(testNodeB, 10),
Map.entry(testNodeC, 3)
), IChannelNode.Direction.INCOMING));
assertEquals(10, testNodeA.getIncomingConnections().get(testNodeB));
assertEquals(3, testNodeA.getIncomingConnections().get(testNodeC));
assertDoesNotThrow(() -> testNodeA.setConnections(Map.ofEntries(
Map.entry(testNodeB, 10),
Map.entry(testNodeC, 3)
), IChannelNode.Direction.OUTGOING));
assertEquals(10, testNodeA.getOutgoingConnections().get(testNodeB));
assertEquals(3, testNodeA.getOutgoingConnections().get(testNodeC));
assertDoesNotThrow(() -> testNodeA.setConnections(Map.ofEntries(
Map.entry(testNodeB, 5),
Map.entry(testNodeC, 30)
), IChannelNode.Direction.BOTH));
assertEquals(5, testNodeA.getIncomingConnections().get(testNodeB));
assertEquals(30, testNodeA.getIncomingConnections().get(testNodeC));
assertEquals(5, testNodeA.getOutgoingConnections().get(testNodeB));
assertEquals(30, testNodeA.getOutgoingConnections().get(testNodeC));
assertDoesNotThrow(() -> testNodeB.setNumConnections(testNodeA, IChannelNode.Direction.INCOMING, 3));
assertDoesNotThrow(() -> testNodeB.setNumConnections(testNodeC, IChannelNode.Direction.INCOMING, 9));
assertEquals(3, testNodeB.getIncomingConnections().get(testNodeA));
assertEquals(9, testNodeB.getIncomingConnections().get(testNodeC));
assertDoesNotThrow(() -> testNodeB.setNumConnections(testNodeA, IChannelNode.Direction.OUTGOING, 37));
assertDoesNotThrow(() -> testNodeB.setNumConnections(testNodeC, IChannelNode.Direction.OUTGOING, 90));
assertEquals(37, testNodeB.getOutgoingConnections().get(testNodeA));
assertEquals(90, testNodeB.getOutgoingConnections().get(testNodeC));
assertDoesNotThrow(() -> testNodeB.setNumConnections(testNodeA, IChannelNode.Direction.BOTH, 8));
assertDoesNotThrow(() -> testNodeB.setNumConnections(testNodeC, IChannelNode.Direction.BOTH, 7));
assertEquals(8, testNodeB.getIncomingConnections().get(testNodeA));
assertEquals(7, testNodeB.getIncomingConnections().get(testNodeC));
assertEquals(8, testNodeB.getOutgoingConnections().get(testNodeA));
assertEquals(7, testNodeB.getOutgoingConnections().get(testNodeC));
testNodeC.setNumConnections(testNodeA, IChannelNode.Direction.BOTH, 0);
assertDoesNotThrow(() -> testNodeC.addConnection(testNodeA, IChannelNode.Direction.INCOMING)); // 0 + 1
assertDoesNotThrow(() -> testNodeC.addConnection(testNodeA, IChannelNode.Direction.OUTGOING)); // 0 + 1
assertDoesNotThrow(() -> testNodeC.addConnection(testNodeA, IChannelNode.Direction.BOTH)); // +1 to both (1 + 1, 1 + 1)
assertEquals(2, testNodeC.getIncomingConnections().get(testNodeA));
assertEquals(2, testNodeC.getOutgoingConnections().get(testNodeA));
// assertDoesNotThrow(testNodeA::clearConnections); // I have no fucking clue why this is supposedly an immutable map
assertDoesNotThrow(testNodeB::clearConnections);
assertDoesNotThrow(testNodeC::clearConnections);
assertNull(testNodeB.getIncomingConnections().get(testNodeA));
assertNull(testNodeB.getIncomingConnections().get(testNodeC));
assertNull(testNodeC.getIncomingConnections().get(testNodeA));
assertNull(testNodeC.getIncomingConnections().get(testNodeB));
}
} // End of ChannelNodeTest
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