Week01 test

week01/src/main/java/com/github/javabaz/Calculator13.java

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+package com.github.javabaz;
+
+public class Calculator13 {
+
+    public int add(int a, int b) {
+        return a+b;
+    }
+
+    public int subtract(int a, int b) {
+        return a-b;
+    }
+
+    public int multiply(int a, int b) {
+        return a*b;
+    }
+
+    public int divide(int a, int b) {
+        return a/b;
+    }
+}

week01/src/main/java/com/github/javabaz/Calculator50.java

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+package com.github.javabaz;
+
+public class Calculator50 {
+
+    public int add(int a, int b) {
+        return a+b;
+    }
+
+    public int subtract(int a, int b) {
+        return a-b;
+    }
+
+    public int multiply(int a, int b) {
+        return a*b;
+    }
+
+    public int divide(int a, int b) {
+        return a/b;
+    }
+}

week01/src/test/java/com/github/javabaz/Calculator13Test.java

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+package com.github.javabaz;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class Calculator13Test {
+    private Calculator13 calculator13;
+
+    @BeforeEach
+    void setUp() { calculator13 =new Calculator13();
+    }
+
+    @Test
+    void add() {
+        assertEquals(8, calculator13.add(5, 3), "5 + 3 should be 8");
+        assertEquals(-2, calculator13.add(-5, 3), "-5 + 3 should be -2");
+        assertEquals(0, calculator13.add(0, 0), "0 + 0 should be 0");
+    }
+
+    @Test
+    void subtract() {
+        assertEquals(2, calculator13.subtract(5, 3), "5 - 3 should be 2");
+        assertEquals(-8, calculator13.subtract(-5, 3), "-5 - 3 should be -8");
+        assertEquals(0, calculator13.subtract(3, 3), "3 - 3 should be 0");
+    }
+
+    @Test
+    void multiply() {
+        assertEquals(15, calculator13.multiply(5, 3), "5 * 3 should be 15");
+        assertEquals(-15, calculator13.multiply(-5, 3), "-5 * 3 should be -15");
+        assertEquals(0, calculator13.multiply(0, 3), "0 * 3 should be 0");
+    }
+
+    @Test
+    void testDivision() {
+        assertEquals(2, calculator13.divide(6, 3), "6 / 3 should be 2");
+        assertEquals(-2, calculator13.divide(-6, 3), "-6 / 3 should be -2");
+        assertEquals(0, calculator13.divide(0, 5), "0 / 5 should be 0");
+    }
+
+    @Test
+    void testDivisionByZero() {
+        Exception exception = assertThrows(ArithmeticException.class, () -> calculator13.divide(5, 0));
+        assertEquals("Cannot divide by zero", exception.getMessage());
+    }
+}

week01/src/test/java/com/github/javabaz/Calculator50Test.java

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+package com.github.javabaz;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class Calculator50Test {
+    private Calculator50 calculator50;
+
+    @BeforeEach
+    void setUp() { calculator50 =new Calculator50();
+    }
+
+    @Test
+    void add() {
+        assertEquals(8, calculator50.add(5, 3), "5 + 3 should be 8");
+        assertEquals(-2, calculator50.add(-5, 3), "-5 + 3 should be -2");
+        assertEquals(0, calculator50.add(0, 0), "0 + 0 should be 0");
+    }
+
+    @Test
+    void subtract() {
+        assertEquals(2, calculator50.subtract(5, 3), "5 - 3 should be 2");
+        assertEquals(-8, calculator50.subtract(-5, 3), "-5 - 3 should be -8");
+        assertEquals(0, calculator50.subtract(3, 3), "3 - 3 should be 0");
+    }
+
+    @Test
+    void multiply() {
+        assertEquals(15, calculator50.multiply(5, 3), "5 * 3 should be 15");
+        assertEquals(-15, calculator50.multiply(-5, 3), "-5 * 3 should be -15");
+        assertEquals(0, calculator50.multiply(0, 3), "0 * 3 should be 0");
+    }
+
+    @Test
+    void testDivision() {
+        assertEquals(2, calculator50.divide(6, 3), "6 / 3 should be 2");
+        assertEquals(-2, calculator50.divide(-6, 3), "-6 / 3 should be -2");
+        assertEquals(0, calculator50.divide(0, 5), "0 / 5 should be 0");
+    }
+
+    @Test
+    void testDivisionByZero() {
+        Exception exception = assertThrows(ArithmeticException.class, () -> calculator50.divide(5, 0));
+        assertEquals("Cannot divide by zero", exception.getMessage());
+    }
+}

week01/week01.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_17">
+    <output url="file://$MODULE_DIR$/target/classes" />
+    <output-test url="file://$MODULE_DIR$/target/test-classes" />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter-engine:5.13.0-M1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.platform:junit-platform-engine:1.13.0-M1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.opentest4j:opentest4j:1.3.0" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.platform:junit-platform-commons:1.13.0-M1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter-api:5.13.0-M1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.apiguardian:apiguardian-api:1.1.2" level="project" />
+  </component>
+</module>