Тестовый проект

lab4/calctests/app/build.gradle

@@ -0,0 +1,45 @@
+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * This generated file contains a sample Java application project to get you started.
+ * For more details on building Java & JVM projects, please refer to https://docs.gradle.org/8.8/userguide/building_java_projects.html in the Gradle documentation.
+ */
+
+plugins {
+    // Apply the application plugin to add support for building a CLI application in Java.
+    id 'application'
+}
+
+repositories {
+    // Use Maven Central for resolving dependencies.
+    mavenCentral()
+}
+
+dependencies {
+    // Use JUnit Jupiter for testing.
+    testImplementation libs.junit.jupiter
+
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+
+    // This dependency is used by the application.
+    implementation libs.guava
+
+    implementation files('./libs/calculator-1.0.jar')
+}
+
+// Apply a specific Java toolchain to ease working on different environments.
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(21)
+    }
+}
+
+application {
+    // Define the main class for the application.
+    mainClass = 'dev.tishenko.calctests.App'
+}
+
+tasks.named('test') {
+    // Use JUnit Platform for unit tests.
+    useJUnitPlatform()
+}

lab4/calctests/app/src/main/java/dev/tishenko/calctests/App.java

@@ -0,0 +1,14 @@
+/*
+ * This source file was generated by the Gradle 'init' task
+ */
+package dev.tishenko.calctests;
+
+public class App {
+    public String getGreeting() {
+        return "Hello World!";
+    }
+
+    public static void main(String[] args) {
+        System.out.println(new App().getGreeting());
+    }
+}

lab4/calctests/app/src/test/java/dev/tishenko/calctests/CalculatorTest.java

@@ -0,0 +1,84 @@
+/*
+ * This source file was generated by the Gradle 'init' task
+ */
+package dev.tishenko.calctests;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
+import org.junit.jupiter.params.provider.ValueSource;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import com.epam.tat.module4.Calculator;
+
+class CalculatorTest {
+    private static final double DELTA = 0.0001;
+    private Calculator calculator;
+
+    @BeforeEach
+    void setUp() {
+        calculator = new Calculator();
+    }
+
+    @ParameterizedTest
+    @CsvSource({
+            "1, 2, 3",
+            "5, 0, 5",
+            "-7, 7, 0",
+            "9223372036854775806, 1, 9223372036854775807"
+    })
+    void testLongSum(long a, long b, long expected) {
+        assertEquals(expected, calculator.sum(a, b));
+    }
+
+    @ParameterizedTest
+    @CsvSource({
+            "1.5, 2.5, 4.0",
+            "5.5, 0.0, 5.5",
+            "-3.5, 3.5, 0.0",
+            "0.1, 0.2, 0.3"
+    })
+    void testDoubleSum(double a, double b, double expected) {
+        assertEquals(expected, calculator.sum(a, b), DELTA);
+    }
+
+    @ParameterizedTest
+    @CsvSource({
+            "2.5, 3.0, 7.5",
+            "0.0, 5.5, 0.0",
+            "-2.5, 3.0, -7.5",
+            "-2.5, -3.0, 7.5"
+    })
+    void testDoubleMult(double a, double b, double expected) {
+        assertEquals(expected, calculator.mult(a, b), DELTA);
+    }
+
+    @ParameterizedTest
+    @CsvSource({
+            "2, 3, 6",
+            "0, 5, 0",
+            "-2, 3, -6",
+            "-2, -3, 6",
+            "1000, 1000, 1000000"
+    })
+    void testLongMult(long a, long b, long expected) {
+        assertEquals(expected, calculator.mult(a, b));
+    }
+
+    @ParameterizedTest
+    @ValueSource(doubles = { 4.0, 0.0, -4.0, 1000000.0 })
+    void testSqrt(double value) {
+        double expected = Math.sqrt(Math.abs(value));
+        assertEquals(expected, calculator.sqrt(value), DELTA);
+    }
+
+    @ParameterizedTest
+    @ValueSource(doubles = { 0, Math.PI / 6, Math.PI / 4, -Math.PI / 3, 10 })
+    void testTg(double angle) {
+        double expected = Math.tan(angle);
+        double actual = calculator.tg(angle);
+        assertEquals(expected, actual, 0.0001);
+    }
+}