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package edu.caltech.cs2.lab08;
import edu.caltech.cs2.lab08.Problem1.TreeNode;
import org.junit.jupiter.api.*;
import edu.caltech.cs2.helpers.Inspection;
import java.io.*;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.ThreadLocalRandom;
import static org.junit.jupiter.api.Assertions.assertEquals;
@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
public class Problem1Tests {
Problem1 tester = new Problem1();
private static final String PROBLEM_1_SOURCE = "src/edu/caltech/cs2/lab08/Problem1.java";
private TreeNode put(TreeNode currNode, int val){
if(currNode == null){
return new TreeNode(val);
}
if(val == currNode.val){
return currNode;
}
if(val < currNode.val){
currNode.left = put(currNode.left, val);
return currNode;
}
currNode.right = put(currNode.right,val);
return currNode;
}
@Order(0)
@Tag("B")
@DisplayName("Import Tests")
@Test
public void testForInvalidClasses() {
List<String> regexps = List.of("java\\.lang\\.reflect", "java\\.io", "javax\\.swing", "java\\.util","\\s*.*\\s*\\[\\]\\s*.*\\s*=\\s*new .*\\[.*\\]\\s*;", ".*\\s*=\\s*new .*\\[.*\\]\\s*;");
Inspection.assertNoImportsOf(PROBLEM_1_SOURCE, regexps);
Inspection.assertNoUsageOf(PROBLEM_1_SOURCE, regexps);
}
@Order(1)
@Tag("B")
@DisplayName("Test Problem1: Tree1")
@Test
public void testProblem1A() {
PrintStream systemErr = System.err;
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
System.setErr(new PrintStream(outputStream));
System.setErr(systemErr);
String output = outputStream.toString();
System.out.println(output);
// Test 1:
TreeNode root = new TreeNode(10,
new TreeNode(5,
new TreeNode(3), new TreeNode(7)),
new TreeNode(15, null,
new TreeNode(18)));
int actualAns = tester.rangeSumBST(root, 7, 15);
assertEquals(32, actualAns);
}
@Order(2)
@Tag("B")
@DisplayName("Test Problem1: Tree2")
@Test
public void testProblem1B(){
PrintStream systemErr = System.err;
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
System.setErr(new PrintStream(outputStream));
System.setErr(systemErr);
String output = outputStream.toString();
System.out.println(output);
TreeNode root = new TreeNode(10,
new TreeNode(5,
new TreeNode(3, new TreeNode(1), null),
new TreeNode(7, new TreeNode(6), null)),
new TreeNode(15, null,
new TreeNode(18)));
int actualAns = tester.rangeSumBST(root, 6, 10);
assertEquals(23, actualAns);
}
@Order(3)
@Tag("B")
@DisplayName("Test Problem1: Tree3")
@Test
public void testProblem1C(){
PrintStream systemErr = System.err;
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
System.setErr(new PrintStream(outputStream));
System.setErr(systemErr);
String output = outputStream.toString();
System.out.println(output);
TreeNode root = new TreeNode(10,
new TreeNode(5),
new TreeNode(15));
int actualAns = tester.rangeSumBST(root, 6, 7);
assertEquals(0, actualAns);
}
@Order(4)
@Tag("B")
@DisplayName("Test Problem1: Same Min/Max")
@Test
public void testProblem1extra(){
PrintStream systemErr = System.err;
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
System.setErr(new PrintStream(outputStream));
System.setErr(systemErr);
String output = outputStream.toString();
System.out.println(output);
TreeNode root = new TreeNode(10,
new TreeNode(5,
new TreeNode(3, new TreeNode(1), null),
new TreeNode(7, new TreeNode(6), null)),
new TreeNode(15, null,
new TreeNode(18)));
int actualAns = tester.rangeSumBST(root, 5, 5);
assertEquals(5, actualAns);
}
@Order(4)
@Tag("B")
@DisplayName("Test Problem1: Empty Tree")
@Test
public void testProblem1D(){
PrintStream systemErr = System.err;
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
System.setErr(new PrintStream(outputStream));
System.setErr(systemErr);
String output = outputStream.toString();
System.out.println(output);
TreeNode root = null;
int actualAns = tester.rangeSumBST(root, 3, 15);
assertEquals(0, actualAns);
}
@Order(5)
@Tag("B")
@DisplayName("Random Tests 1")
@Test
public void randomTests1(){
Set<Integer> randomNums = new HashSet<>() ;
int size = ThreadLocalRandom.current().nextInt(5, 50);
while(randomNums.size() != size){
randomNums.add(ThreadLocalRandom.current().nextInt(0, 100));
}
int rangelow = ThreadLocalRandom.current().nextInt(0, 100);
int rangehigh = ThreadLocalRandom.current().nextInt(0, 100);
int target = 0;
for(int item : randomNums){
if(item >= rangelow && item <= rangehigh){
target += item;
}
}
TreeNode root = null;
for(int item : randomNums){
if(root == null){
root = new TreeNode(item);
}
else{
root = put(root, item);
}
}
int actual = tester.rangeSumBST(root, rangelow, rangehigh);
assertEquals(target,actual);
}
@Order(6)
@Tag("B")
@DisplayName("Random Tests 2")
@Test
public void randomTests2(){
Set<Integer> randomNums = new HashSet<>() ;
int size = ThreadLocalRandom.current().nextInt(5, 100);
while(randomNums.size() != size){
randomNums.add(ThreadLocalRandom.current().nextInt(0, 1000));
}
int rangelow = ThreadLocalRandom.current().nextInt(0, 1000);
int rangehigh = ThreadLocalRandom.current().nextInt(0, 1000);
int target = 0;
for(int item : randomNums){
if(item >= rangelow && item <= rangehigh){
target += item;
}
}
TreeNode root = null;
for(int item : randomNums){
if(root == null){
root = new TreeNode(item);
}
else{
root = put(root, item);
}
}
int actual = tester.rangeSumBST(root, rangelow, rangehigh);
assertEquals(target,actual);
}
@Order(7)
@Tag("B")
@DisplayName("Random Tests 3")
@Test
public void randomTests3(){
Set<Integer> randomNums = new HashSet<>() ;
int size = ThreadLocalRandom.current().nextInt(0, 10000);
while(randomNums.size() != size){
randomNums.add(ThreadLocalRandom.current().nextInt(1, 10000));
}
int rangelow = ThreadLocalRandom.current().nextInt(0, 10000);
int rangehigh = ThreadLocalRandom.current().nextInt(0, 10000);
int target = 0;
for(int item : randomNums){
if(item >= rangelow && item <= rangehigh){
target += item;
}
}
TreeNode root = null;
for(int item : randomNums){
if(root == null){
root = new TreeNode(item);
}
else{
root = put(root, item);
}
}
int actual = tester.rangeSumBST(root, rangelow, rangehigh);
assertEquals(target,actual);
}
@Order(8)
@Tag("B")
@DisplayName("Random Tests 4")
@Test
public void randomTests4(){
Set<Integer> randomNums = new HashSet<>() ;
int size = ThreadLocalRandom.current().nextInt(0, 10000);
while(randomNums.size() != size){
randomNums.add(ThreadLocalRandom.current().nextInt(1, 10000));
}
int rangelow = ThreadLocalRandom.current().nextInt(0, 10000);
int rangehigh = ThreadLocalRandom.current().nextInt(0, 10000);
int target = 0;
for(int item : randomNums){
if(item >= rangelow && item <= rangehigh){
target += item;
}
}
TreeNode root = null;
for(int item : randomNums){
if(root == null){
root = new TreeNode(item);
}
else{
root = put(root, item);
}
}
int actual = tester.rangeSumBST(root, rangelow, rangehigh);
assertEquals(target,actual);
}
@Order(9)
@Tag("B")
@DisplayName("Random Tests 5")
@Test
public void randomTests5(){
Set<Integer> randomNums = new HashSet<>() ;
int size = ThreadLocalRandom.current().nextInt(0, 10000);
while(randomNums.size() != size){
randomNums.add(ThreadLocalRandom.current().nextInt(1, 10000));
}
int rangelow = ThreadLocalRandom.current().nextInt(0, 10000);
int rangehigh = ThreadLocalRandom.current().nextInt(0, 10000);
int target = 0;
for(int item : randomNums){
if(item >= rangelow && item <= rangehigh){
target += item;
}
}
TreeNode root = null;
for(int item : randomNums){
if(root == null){
root = new TreeNode(item);
}
else{
root = put(root, item);
}
}
int actual = tester.rangeSumBST(root, rangelow, rangehigh);
assertEquals(target,actual);
}
@Order(10)
@Tag("B")
@DisplayName("Random Tests 6")
@Test
public void randomTests6(){
Set<Integer> randomNums = new HashSet<>() ;
int size = ThreadLocalRandom.current().nextInt(0, 10000);
while(randomNums.size() != size){
randomNums.add(ThreadLocalRandom.current().nextInt(1, 10000));
}
int rangelow = ThreadLocalRandom.current().nextInt(0, 10000);
int rangehigh = ThreadLocalRandom.current().nextInt(0, 10000);
int target = 0;
for(int item : randomNums){
if(item >= rangelow && item <= rangehigh){
target += item;
}
}
TreeNode root = null;
for(int item : randomNums){
if(root == null){
root = new TreeNode(item);
}
else{
root = put(root, item);
}
}
int actual = tester.rangeSumBST(root, rangelow, rangehigh);
assertEquals(target,actual);
}
}