Subversion Repositories programming

// Written by Ira Snyder

// Due Date: 11-15-2004

// Project #3

// License: Public Domain (added 07-11-2005)

import java.io.*;

class Driver {

    public static void main ( String [] args ) throws Exception {

        BinaryTree tree1 = createTreeOne();

        BinaryTree tree2 = createTreeTwo();

        BinaryTree tree3 = createTreeThree();

        BinaryTree tree4 = createTreeOne();

        BinaryTree tree5 = createTreeThree(); //make a copy for later

        // ---- check getter methods ----

        System.out.println("Testing getter methods...");

        System.out.println("root: " + tree3.getRoot());

        System.out.println("left: " + tree3.getLeft());

        System.out.println("right: " + tree3.getRight());

        System.out.println();

        // ---- check setter and toString methods ----

        System.out.println("Testing setter and toString methods...");

        tree4.setRoot("A");

        tree4.setLeft( new BinaryTree("B"));

        tree4.setRight( new BinaryTree("C"));

        System.out.println("tree4: " + tree4 ); //should print ((A),B,(C))

        System.out.println();

        // ---- check misc methods ----

        System.out.println("Testing misc methods...");

        System.out.println("tree4.isLeaf(): " + tree4.isLeaf());

        System.out.println("tree4.left.isLeaf(): " + tree4.getLeft().isLeaf());

        System.out.println();

        System.out.println("tree3.size(): " + tree3.size());

        System.out.println();

        System.out.println("tree3.height(): " + tree3.height());

        System.out.println();

        System.out.println("tree3.contains(\"2\"): " + tree3.contains("2"));

        System.out.println("tree3.contains(\"zZ\"): " + tree3.contains("zZ"));

        System.out.println();

        System.out.println("tree3.numLeaves(): " + tree3.numLeaves());

        System.out.println("tree1.numLeaves(): " + tree1.numLeaves());

        System.out.println();

        System.out.println("tree3.count(\"s\"): " + tree3.count("s"));

        System.out.println("tree3.count(\"zZ\"): " + tree3.count("zZ"));

        System.out.println();

        System.out.println("tree3.isFull(): " + tree3.isFull());

        System.out.println("tree4.isFull(): " + tree4.isFull());

        System.out.println();

        System.out.println("tree3.isBalanced(): " + tree3.isBalanced());

        System.out.println("tree4.isBalanced(): " + tree4.isBalanced());

        System.out.println();

        System.out.println("tree3.pathLength(): " + tree3.pathLength());

        System.out.println("tree4.pathLength(): " + tree4.pathLength());

        System.out.println();

        System.out.println("tree4 = " + tree4);

        System.out.println("tree4.reverse() = " + tree4.reverse());

        System.out.println("tree2 = " + tree2);

        System.out.println("tree2.reverse() = " + tree2.reverse());

        System.out.println();

        System.out.println("tree1.level(\"H\"): " + tree1.level("H"));

        System.out.println("tree2.level(\"O\"): " + tree2.level("O"));

        System.out.println();

        System.out.println("tree4.isDisjointFrom(tree1): " 

            + tree4.isDisjointFrom(tree1));

        System.out.println("tree3.isDisjointFrom(new BinaryTree(\"s\"): "

            + tree3.isDisjointFrom(new BinaryTree("s")));

        System.out.println();

        System.out.println("tree1.isValid(): " + tree1.isValid());

        System.out.println("tree2.isValid(): " + tree2.isValid());

        System.out.println("tree3.isValid(): " + tree3.isValid());

        System.out.println();

        System.out.println("tree1.equals(tree3): " + tree1.equals(tree3));

        System.out.println("tree3.equals(tree5): " + tree3.equals(tree5));

        System.out.println();

        // ---- check print methods ----

        System.out.println("Testing Printing Methods...");

        // for tree1

        System.out.print("BinaryTree.preOrderPrint(tree1): ");

            BinaryTree.preOrderPrint(tree1); System.out.println();

        System.out.print("BinaryTree.inOrderPrint(tree1): ");

            BinaryTree.inOrderPrint(tree1); System.out.println();

        System.out.print("BinaryTree.postOrderPrint(tree1): ");

            BinaryTree.postOrderPrint(tree1); System.out.println();

        System.out.print("BinaryTree.levelOrderPrint(tree1): ");

            BinaryTree.levelOrderPrint(tree1); System.out.println();

        System.out.println();

        //for tree2

        System.out.print("BinaryTree.preOrderPrint(tree2): ");

            BinaryTree.preOrderPrint(tree2); System.out.println();

        System.out.print("BinaryTree.inOrderPrint(tree2): ");

            BinaryTree.inOrderPrint(tree2); System.out.println();

        System.out.print("BinaryTree.postOrderPrint(tree2): ");

            BinaryTree.postOrderPrint(tree2); System.out.println();

        System.out.print("BinaryTree.levelOrderPrint(tree2): ");

            BinaryTree.levelOrderPrint(tree2); System.out.println();

        System.out.println();

        //for tree3

        System.out.print("BinaryTree.preOrderPrint(tree3): ");

            BinaryTree.preOrderPrint(tree3); System.out.println();

        System.out.print("BinaryTree.inOrderPrint(tree3): ");

            BinaryTree.inOrderPrint(tree3); System.out.println();

        System.out.print("BinaryTree.postOrderPrint(tree3): ");

            BinaryTree.postOrderPrint(tree3); System.out.println();

        System.out.print("BinaryTree.levelOrderPrint(tree3): ");

            BinaryTree.levelOrderPrint(tree3); System.out.println();

        System.out.println();

    }

    public static BinaryTree createTreeOne() {

        return new BinaryTree("H");

    }

    public static BinaryTree createTreeTwo() {

        BinaryTree treeA = new BinaryTree("A");

        BinaryTree treeC = new BinaryTree("C");

        BinaryTree treeE = new BinaryTree("E");

        BinaryTree treeG = new BinaryTree("G");

        BinaryTree treeI = new BinaryTree("I");

        BinaryTree treeK = new BinaryTree("K");

        BinaryTree treeM = new BinaryTree("M");

        BinaryTree treeO = new BinaryTree("O");

        BinaryTree treeB = new BinaryTree("B",treeA,treeC);

        BinaryTree treeF = new BinaryTree("F",treeE,treeG);

        BinaryTree treeJ = new BinaryTree("J",treeI,treeK);

        BinaryTree treeN = new BinaryTree("N",treeM,treeO);

        BinaryTree treeD = new BinaryTree("D",treeB,treeF);

        BinaryTree treeL = new BinaryTree("L",treeJ,treeN);

        BinaryTree treeH = new BinaryTree("H",treeD,treeL);

        return treeH;

    }

    public static BinaryTree createTreeThree() {

        BinaryTree tree_2 = new BinaryTree("2");

        BinaryTree tree_a1 = new BinaryTree("a");

        BinaryTree tree_t1 = new BinaryTree("t");

        BinaryTree tree_c1 = new BinaryTree("c");

        BinaryTree tree_a2 = new BinaryTree("a");

        BinaryTree tree_s1 = new BinaryTree("s",null,tree_2);

        BinaryTree tree_n = new BinaryTree("n");

        BinaryTree tree_s2 = new BinaryTree("s",tree_a1,tree_t1);

        BinaryTree tree_a3 = new BinaryTree("a");

        BinaryTree tree_l1 = new BinaryTree("l",tree_c1,tree_a2);

        BinaryTree tree_c2 = new BinaryTree("c",null,tree_s1);

        BinaryTree tree_i1 = new BinaryTree("i");

        BinaryTree tree_t2 = new BinaryTree("t",tree_n,tree_s2);

        BinaryTree tree_l2 = new BinaryTree("l");

        BinaryTree tree_t3 = new BinaryTree("t",tree_a3,tree_l1);

        BinaryTree tree_s3 = new BinaryTree("s");

        BinaryTree tree_4 = new BinaryTree("4",tree_c2,null);

        BinaryTree tree_s4 = new BinaryTree("s",tree_i1,null);

        BinaryTree tree_f = new BinaryTree("f");

        BinaryTree tree_i2 = new BinaryTree("i",tree_t2,null);

        BinaryTree tree_a4 = new BinaryTree("a");

        BinaryTree tree_y = new BinaryTree("y",tree_l2,null);

        BinaryTree tree_r = new BinaryTree("r");

        BinaryTree tree_s5 = new BinaryTree("s",tree_t3,tree_s3);

        BinaryTree tree_1 = new BinaryTree("1",tree_4,tree_s4);

        BinaryTree tree_a5 = new BinaryTree("a",tree_f,tree_i2);

        BinaryTree tree_l3 = new BinaryTree("l",tree_a4,tree_y);

        BinaryTree tree_e = new BinaryTree("e",tree_r,tree_s5);

        BinaryTree tree_a6 = new BinaryTree("a",tree_1,tree_a5);

        BinaryTree tree_g = new BinaryTree("g",tree_l3,tree_e);

        BinaryTree tree_c3 = new BinaryTree("c",tree_a6,tree_g);

        return tree_c3;

    }

    public static void run_BinaryTree_tests() {

        System.out.println( test_12_2() );

        System.out.println( test_12_3() );

        System.out.println( test_12_4() );

        System.out.println( test_12_5() );

        System.out.println( test_12_6() );

        System.out.println( test_12_7() );

        System.out.println( test_12_8() );

        System.out.println( test_12_9() );

        System.out.println( test_12_10());

        System.out.println( test_12_11());

        System.out.println( test_12_12());

        System.out.println( test_12_13());

        System.out.println( test_12_14());

        System.out.println( test_12_15());

        System.out.println( test_12_16());

        System.out.println(); //print a blank line

        test_traversals();

    } //end main test method

    public static BinaryTree createTestTree() {

        BinaryTree treeB = new BinaryTree("B");

        BinaryTree treeD = new BinaryTree("D");

        BinaryTree treeE = new BinaryTree("E");

        BinaryTree treeC = new BinaryTree("C",treeD,treeE);

        BinaryTree treeA = new BinaryTree("A",treeB,treeC);

        return treeA;

    }

    public static String test_12_2() {

        BinaryTree treeA = createTestTree();

        String experimentalResult = treeA.toString();

        String correctResult = "((B),A,((D),C,(E)))";

        if( correctResult.equals(experimentalResult) )

            return "test_12_2: PASSED";

        return "test_12_2: *** FAILED ***";

    }

    public static String test_12_3() {

        BinaryTree treeA = createTestTree();

        BinaryTree treeAleft = treeA.getLeft();

        if( treeA.isLeaf() == false && treeAleft.isLeaf() == true )

            return "test_12_3: PASSED";

        return "test_12_3: *** FAILED ***";

    }

    public static String test_12_4() {

        BinaryTree treeA = createTestTree();

        int correctResult = 5;

        int experimentalResult = treeA.size();

        if( correctResult == experimentalResult )

            return "test_12_4: PASSED";

        return "test_12_4: *** FAILED ***";

    }

    public static String test_12_5() {

        BinaryTree treeA = createTestTree();

        int correctResult = 2;

        int experimentalResult = treeA.height();

        if( correctResult == experimentalResult )

            return "test_12_5: PASSED";

        return "test_12_5: *** FAILED ***";

    }

    public static String test_12_6() {

        BinaryTree treeA = createTestTree();

        if( treeA.contains("B") &&

            treeA.contains("A") &&

            treeA.contains("D") &&

           !treeA.contains("Z") ) return "test_12_6: PASSED";

        return "test_12_6: *** FAILED ***";

    }

    public static String test_12_7() {

        BinaryTree treeA = createTestTree();

        int correctResult = 3;

        if( correctResult == treeA.numLeaves() )

            return "test_12_7: PASSED";

        return "test_12_7: *** FAILED ***";

    }

    public static String test_12_8() {

        BinaryTree treeA = createTestTree();

        BinaryTree tree = new BinaryTree("E",treeA,new BinaryTree("E"));

        int correctResult = 3;

        if( correctResult == tree.count("E") )

            return "test_12_8: PASSED";

        return "test_12_8: *** FAILED ***";

    }

    public static String test_12_9() {

        BinaryTree treeA = createTestTree();

        if( treeA.isFull() == false ) { return "test_12_9: PASSED"; }

        return "test_12_9: *** FAILED ***";

    }

    public static String test_12_10() {

        BinaryTree treeA = createTestTree();

        if( treeA.isBalanced() == true ) { return "test_12_10: PASSED"; }

        return "test_12_10: *** FAILED ***";

    }

    public static String test_12_11() {

        BinaryTree treeA = createTestTree();

        if( treeA.pathLength() == 6 ) { return "test_12_11: PASSED"; }

        return "test_12_11: *** FAILED *** val:" + treeA.pathLength();

    }

    public static String test_12_12() {

        BinaryTree treeA = createTestTree();

        String correctAnswer = "(((E),C,(D)),A,(B))";

        if( treeA.reverse().toString().equals(correctAnswer) ) {

            return "test_12_12: PASSED";

        }

        return "test_12_12: *** FAILED *** " + treeA.reverse();

    }

    public static String test_12_13() {

        BinaryTree treeA = createTestTree();

        if( treeA.level("E") == 2 ) { return "test_12_13: PASSED"; }

        return "test_12_13: *** FAILED ***";

    }

    public static String test_12_14() {

        BinaryTree treeA = createTestTree();

        BinaryTree treeB = new BinaryTree("B");

        if( treeA.isDisjointFrom(treeB) ) {

            return "test_12_14: *** FAILED ***";

        }

        return "test_12_14: PASSED";

    }

    public static String test_12_15() {

        BinaryTree treeA = createTestTree();

        if( treeA.isValid() ) { return "test_12_15: PASSED"; }

        return "test_12_15: *** FAILED ***";

    }

    public static String test_12_16() {

        BinaryTree tree1 = createTestTree();

        BinaryTree tree2 = createTestTree();

        if( tree1.equals(tree2) ) { return "test_12_16: PASSED"; }

        return "test_12_16: *** FAILED ***";

    }

    public static void test_traversals() {

        BinaryTree treeA = createTestTree();

        //print the correct answers

        System.out.println("Should Be:");

        System.out.println("PreOrder: A B C D E");

        System.out.println("PostOrder: B D E C A");

        System.out.println("LevelOrder: A B C D E");

        System.out.println("InOrder: B A D C E");

        //print the actual answers

        System.out.println();

        System.out.println("Actually is:");

        System.out.print("PreOrder: "); BinaryTree.preOrderPrint(treeA); 

        System.out.println();

        System.out.print("PostOrder: "); BinaryTree.postOrderPrint(treeA);

        System.out.println();

        System.out.print("LevelOrder: "); BinaryTree.levelOrderPrint(treeA);

        System.out.println();

        System.out.print("InOrder: "); BinaryTree.inOrderPrint(treeA);

        System.out.println();

    }

} //end class Driver