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bispo-danielbispo-daniel
committedMay 2, 2023
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‎.classpath

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
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<attributes>
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<attribute name="module" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/5"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>

‎.gitattributes

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# Auto detect text files and perform LF normalization
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* text=auto

‎.gitignore

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# Compiled class file
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*.class
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# Log file
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*.log
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# BlueJ files
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*.ctxt
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# Mobile Tools for Java (J2ME)
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.mtj.tmp/
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# Package Files #
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*.jar
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*.war
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*.nar
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*.ear
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*.zip
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*.tar.gz
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*.rar
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# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
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hs_err_pid*
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replay_pid*

‎.project

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>Java_JUnit</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jdt.core.javanature</nature>
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</natures>
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<filteredResources>
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<filter>
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<id>1683052568812</id>
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<name></name>
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<type>30</type>
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<matcher>
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<id>org.eclipse.core.resources.regexFilterMatcher</id>
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<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
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</matcher>
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</filter>
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</filteredResources>
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</projectDescription>

‎.settings/org.eclipse.core.resources.prefs

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eclipse.preferences.version=1
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encoding/<project>=UTF-8

‎.settings/org.eclipse.jdt.core.prefs

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eclipse.preferences.version=1
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org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
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org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
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org.eclipse.jdt.core.compiler.compliance=17
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org.eclipse.jdt.core.compiler.debug.lineNumber=generate
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org.eclipse.jdt.core.compiler.debug.localVariable=generate
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org.eclipse.jdt.core.compiler.debug.sourceFile=generate
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org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
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org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
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org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
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org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
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org.eclipse.jdt.core.compiler.release=enabled
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org.eclipse.jdt.core.compiler.source=17

‎README.md

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# Java_JUnit
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Project developed to start studies on Unit Tests in java with JUnit.
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# Calculator:
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A class called Calculator was created, and it contains the methods:
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Addition, subtraction, multiplication and division.
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Tests are run in the TestCalculator class. There I used the
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annotations:
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@BeforeAll --> For executing a block of code before all others
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@DisplayName --> Used to name the test
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@Test --> To identify the method as a test for JUnit
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@AfterEach --> For executing code after each unit test
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# Vote
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A class named Vote was created with the "rule" method.
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This method receveives an "age" parameter to return if at this age
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the person Cannot, Can or Must vote according to the brazillian
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polices.
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Vote tests are in TestVote.java file.

‎src/projectPack/Calculator.java

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package projectPack;
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public class Calculator {
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public double addition(double num1, double num2) {
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return num1 + num2;
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}
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public double subtraction(double num1, double num2) {
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return 1;
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}
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public double multiplication(double num1, double num2) {
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return num1 * num2;
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}
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public double division(double num1, double num2) {
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return 0.0;
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}
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}

‎src/projectPack/Vote.java

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package projectPack;
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/*Brazilian Voting Age Rule*/
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public class Vote {
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public String rule(int age) {
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if(age < 0) {
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throw new IllegalArgumentException("Age cannot be negative");
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} else if (age < 16) {
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return "Cannot";
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} else if (age < 18) {
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return "Can";
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} else if (age < 70) {
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return "Must";
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} else {
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return "Can";
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}
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}
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}

‎src/test/TestCalculator.java

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package test;
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import projectPack.Calculator;
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import static org.junit.jupiter.api.Assertions.*;
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import org.junit.jupiter.api.AfterAll;
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import org.junit.jupiter.api.AfterEach;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.api.Test;
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class TestCalculator {
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Calculator calc = new Calculator();
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@BeforeAll
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static void setup() {
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for(int x = 0; x < 100; x++) {
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System.out.println(x);
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}
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}
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@DisplayName("Testing the addition method: 2 + 2 should be 4")
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@Test
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void twoPlusTwoIsFour() {
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assertEquals(4, calc.addition(2, 2));
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}
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@DisplayName("Testing the addition method: 19 + 20 != 40")
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@Test
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void testCalculatorAdditionWithError(){
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assertNotEquals(40, calc.addition(19, 20));
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// If assertEquals(40, calc.addition(19, 20));
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// Expected <40.0> but was: <39.0>
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}
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@DisplayName("Testing the subtraction method: 15 - 5 != 1")
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@Test
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void zeroPlusZeroShouldntBeNull() {
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assertNotEquals(1, calc.subtraction(15, 5));
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//Subtraction function return 1
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//Expected: Not equal but was <1.0>
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}
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@DisplayName("Testing the multiplication method: ")
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@Test
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void shouldThrowAnError() {
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assertEquals(20*2, calc.multiplication(20, 2));
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}
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@DisplayName("Testing the division method: 20 / 2 should be 10")
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@Test
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void testCalculatorDivision() {
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assertEquals(10, calc.division(20, 2));
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// Test a broken function... This function returns 0.0
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// Function returns 0.0
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// Expected <10.0> but was: <0.0>
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}
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@AfterEach
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void printThisAfterEachTest() {
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System.out.println("The previous test was executed");
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}
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@AfterAll
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static void printThisAfterAllTests() {
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System.out.println("Test finished...");
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}
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}

‎src/test/TestVote.java

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package test;
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import projectPack.Vote;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotEquals;
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import static org.junit.Assert.assertThrows;
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import static org.junit.Assert.assertTrue;
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import org.junit.jupiter.api.Test;
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/*Test Brazilian Voting Age Rule*/
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public class TestVote {
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static Vote vote = new Vote();
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@Test
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void ageShouldntBeNegative() {
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assertThrows(IllegalArgumentException.class, () -> {
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vote.rule(-11);
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});
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}
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@Test
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void testTypeReturned() {
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assertTrue(vote.rule(22).getClass().getSimpleName().equals("String"));
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}
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/**/
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@Test
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void fifteenCannotVote() {
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assertEquals("Cannot", vote.rule(15));
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}
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@Test
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void sixteenCanVote() {
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assertEquals("Can", vote.rule(16));
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}
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@Test
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void nineteenMustVote(){
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assertEquals("Must", vote.rule(19));
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}
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@Test
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void sixtyFourMustVote() {
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assertEquals("Must", vote.rule(64));
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}
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@Test
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void eightyOneCanVote() {
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assertEquals("Can", vote.rule(81));
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}
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/**/
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@Test
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void nineteenMust(){
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assertNotEquals("Can", vote.rule(19));
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}
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}

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