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Commit 0caf1880 authored by Adam Blank's avatar Adam Blank
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.idea/.gitignore 0 → 100644
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# Default ignored files
/workspace.xml
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.idea/libraries/org_junit_jupiter_junit_jupiter_5_5_2.xml 0 → 100644
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</CLASSES>
<JAVADOC />
<SOURCES />
</library>
</component>
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.idea/misc.xml 0 → 100644
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectRootManager" version="2" languageLevel="JDK_12" default="true" project-jdk-name="12" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
</component>
</project>
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.idea/modules.xml 0 → 100644
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/lab02-debugging.iml" filepath="$PROJECT_DIR$/lab02-debugging.iml" />
</modules>
</component>
</project>
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.idea/uiDesigner.xml 0 → 100644
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<project version="4">
<component name="Palette2">
<group name="Swing">
<item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
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</item>
</group>
</component>
</project>
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.idea/vcs.xml 0 → 100644
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$/../../.." vcs="Git" />
</component>
</project>
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.idea/workspace.xml 0 → 100644
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lab02-debugging.iml 0 → 100644
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<?xml version="1.0" encoding="UTF-8"?>
<module type="JAVA_MODULE" version="4">
<component name="NewModuleRootManager" inherit-compiler-output="true">
<exclude-output />
<content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
<orderEntry type="library" name="org.junit.jupiter:junit-jupiter:5.5.2" level="project" />
</component>
</module>
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src/Bomb.java 0 → 100644
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import java.util.*;
import java.util.stream.Collectors;
public class Bomb {
public String shufflePassword(String s) {
String code = "" + s.hashCode();
List<String> l = code.codePoints().boxed().map((x) -> "" + (char)(int)x).collect(Collectors.toList());
Random r = new Random(1337);
Collections.shuffle(l, r);
return String.join("", l);
}
public void phase0(String password) {
String correctPassword = shufflePassword("hello");
if (!password.equals(correctPassword)) {
System.err.println("BOOM!");
System.exit(1);
}
System.err.println("You passed phase 0 with the password \"" + password + "\"");
}
public void phase1(String password) {
String psave = password;
Set<String> animals = new HashSet<>(2, 1.0f);
animals.add("cow");
animals.add("horse");
animals.add("dog");
for (String animal : animals) {
if (password.charAt(0) != animal.charAt(0)) {
System.err.println("BOOM!");
System.exit(2);
}
password = password.substring(1);
}
System.err.println("You passed phase 1 with the password \"" + psave + "\"");
}
public void phase2(String password) {
Random r = new Random(1337);
Set<Integer> numbers = new HashSet<>();
for (int i = 0; i < 10000; i++) {
numbers.add(r.nextInt());
}
String[] passwordPieces = password.split(" ");
Iterator<Integer> numbersIterator = numbers.iterator();
for (int i = 0; i < 10000; i++) {
if (i == 500 && Integer.parseInt(passwordPieces[i]) != (int)numbersIterator.next()) {
System.err.println("BOOM!");
System.exit(3);
}
}
System.err.println("You passed phase 2 with the password \"" + password + "\"");
}
}
src/BombMain.java 0 → 100644
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public class BombMain {
public static void main(String[] args) {
Bomb b = new Bomb();
b.phase0("figure this out");
b.phase1("figure this out");
b.phase2("figure this out");
}
}
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src/Level0.java 0 → 100644
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public class Level0 {
/**
* This program should output the greeting "Hello!"
* in all capital letters.
*/
public static void main(String[] args) {
String greeting = "Hello!";
greeting.toUpperCase();
System.out.println(greeting);
}
}
src/Level1.java 0 → 100644
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import java.util.ArrayList;
import java.util.List;
public class Level1 {
/**
* This function should test element-wise equality of
* the provided two lists l1 and l2.
* @param l1 the first list
* @param l2 the second list
* @return true iff l1 and l2 have exactly the same elements
*/
public static boolean listsEqual(List<Integer> l1, List<Integer> l2) {
if (l1.size() != l2.size()) {
return false;
}
for (int i = 0; i < l1.size(); i++) {
if (l1.get(i) != l2.get(i)) {
return false;
}
}
return true;
}
/**
* A very simple test of listsEqual. This method
* does not have a bug in it.
*/
public static void main(String[] args) {
int a = 5;
int b = 1337;
List<Integer> list1 = new ArrayList<>();
list1.add(a);
list1.add(b);
List<Integer> list2 = List.of(5, 1337);
System.out.println(listsEqual(list1, list2));
}
}
tests/BombTests.java 0 → 100644
View file @ 0caf1880
import org.junit.jupiter.api.*;
import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import static org.junit.jupiter.api.Assertions.assertEquals;
@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
public class BombTests {
@Order(0)
@Tag("A")
@DisplayName("Test BombMain")
@Test
public void testBombMain() {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
System.setErr(new PrintStream(outputStream));
BombMain.main(null);
System.setErr(new PrintStream(new FileOutputStream(FileDescriptor.err)));
String output = outputStream.toString();
System.out.println(output);
String[] lines = output.replace("\r\n", "\n").split("\n");
for (int i = 0; i < 3; i++) {
if (i == 0) {
assertEquals(54955992, lines[i].split("\"")[1].hashCode());
}
else if (i == 1) {
assertEquals(103143, lines[i].split("\"")[1].hashCode());
}
else {
assertEquals(-602269950, lines[i].split("\"")[1].split(" ")[500].hashCode());
}
}
}
}
tests/Level0Tests.java 0 → 100644
View file @ 0caf1880
import org.junit.jupiter.api.*;
import java.io.ByteArrayOutputStream;
import java.io.FileDescriptor;
import java.io.FileOutputStream;
import java.io.PrintStream;
import static org.junit.jupiter.api.Assertions.assertEquals;
@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
public class Level0Tests {
@Order(0)
@Tag("C")
@DisplayName("Test Level0")
@Test
public void testLevel0() {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
System.setOut(new PrintStream(outputStream));
Level0.main(null);
System.setOut(new PrintStream(new FileOutputStream(FileDescriptor.out)));
String output = outputStream.toString();
assertEquals("HELLO!", output.trim());
}
}
tests/Level1Tests.java 0 → 100644
View file @ 0caf1880
import org.junit.jupiter.api.*;
import java.io.ByteArrayOutputStream;
import java.io.FileDescriptor;
import java.io.FileOutputStream;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import static org.junit.jupiter.api.Assertions.*;
@TestMethodOrder(MethodOrderer.OrderAnnotation.class)
public class Level1Tests {
@Order(0)
@Tag("B")
@DisplayName("Test Level1")
@Test
public void testLevel1() {
Random r = new Random(1337);
List<Integer> l1 = new ArrayList<>();
List<Integer> l2 = new ArrayList<>();
assertEquals(true, Level1.listsEqual(l1, l2));
for (int i = 0; i < 1000; i++) {
int ri = r.nextInt();
l1.add(ri);
l2.add(ri);
assertTrue(Level1.listsEqual(l1, l2));
}
l1.add(5, 1);
l2.add(5, 2);
assertFalse(Level1.listsEqual(l1, l2));
}
}
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