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Yavuz Tas 2019-11-20 02:45:42 +01:00
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core-java-modules/core-java/src/test/java/com/baeldung/binarytree/PrintingBinaryTreeTest.java
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package com.baeldung.binarytree;
import org.junit.Before;
import org.junit.Test;
public class PrintingBinaryTreeTest {
private BinaryTreeModel balanced;
private BinaryTreeModel leftUnbalanced;
private BinaryTreeModel rightUnbalanced;
@Before
public void setup() {
balanced = createBalancedTree();
leftUnbalanced = createLeftUnbalancedTree();
rightUnbalanced = createRightUnbalancedTree();
}
private BinaryTreeModel createBalancedTree() {
BinaryTreeModel root = new BinaryTreeModel("root");
BinaryTreeModel node1 = new BinaryTreeModel("node1");
BinaryTreeModel node2 = new BinaryTreeModel("node2");
root.setLeft(node1);
root.setRight(node2);
BinaryTreeModel node3 = new BinaryTreeModel("node3");
BinaryTreeModel node4 = new BinaryTreeModel("node4");
node1.setLeft(node3);
node1.setRight(node4);
BinaryTreeModel node5 = new BinaryTreeModel("node5");
BinaryTreeModel node6 = new BinaryTreeModel("node6");
node2.setLeft(node5);
node2.setRight(node6);
BinaryTreeModel node7 = new BinaryTreeModel("node7");
node3.setLeft(node7);
BinaryTreeModel node8 = new BinaryTreeModel("node8");
BinaryTreeModel node9 = new BinaryTreeModel("node9");
node7.setLeft(node8);
node7.setRight(node9);
return root;
}
private BinaryTreeModel createLeftUnbalancedTree() {
BinaryTreeModel root = new BinaryTreeModel("left");
BinaryTreeModel node1 = new BinaryTreeModel("node1");
BinaryTreeModel node2 = new BinaryTreeModel("node2");
root.setLeft(node1);
root.setRight(node2);
BinaryTreeModel node3 = new BinaryTreeModel("node3");
node1.setLeft(node3);
BinaryTreeModel node4 = new BinaryTreeModel("node4");
node3.setLeft(node4);
BinaryTreeModel node5 = new BinaryTreeModel("node5");
node4.setLeft(node5);
BinaryTreeModel node6 = new BinaryTreeModel("node6");
node5.setLeft(node6);
BinaryTreeModel node7 = new BinaryTreeModel("node7");
node6.setLeft(node7);
BinaryTreeModel node8 = new BinaryTreeModel("node8");
node7.setLeft(node8);
return root;
}
private BinaryTreeModel createRightUnbalancedTree() {
BinaryTreeModel root = new BinaryTreeModel("right");
BinaryTreeModel node1 = new BinaryTreeModel("node1");
BinaryTreeModel node2 = new BinaryTreeModel("node2");
root.setLeft(node1);
root.setRight(node2);
BinaryTreeModel node3 = new BinaryTreeModel("node3");
node2.setRight(node3);
BinaryTreeModel node4 = new BinaryTreeModel("node4");
node3.setRight(node4);
BinaryTreeModel node5 = new BinaryTreeModel("node5");
node4.setRight(node5);
BinaryTreeModel node6 = new BinaryTreeModel("node6");
node5.setRight(node6);
BinaryTreeModel node7 = new BinaryTreeModel("node7");
node6.setRight(node7);
BinaryTreeModel node8 = new BinaryTreeModel("node8");
node7.setRight(node8);
return root;
}
@Test
public void givenBinaryTreeModelBalanced_whenPrintWithBinaryTreePrinter() {
new BinaryTreePrinter(balanced).print();
}
@Test
public void givenBinaryTreeModelLeftUnbalanced_whenPrintWithBinaryTreePrinter() {
new BinaryTreePrinter(leftUnbalanced).print();
}
@Test
public void givenBinaryTreeModelRightUnbalanced_whenPrintWithBinaryTreePrinter() {
new BinaryTreePrinter(rightUnbalanced).print();
}
}