gradle: JMH plugin, XML test results, add benchmark target

app/build.gradle.kts

@@ -1,13 +1,13 @@
 /*
  * 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/8.7/userguide/building_java_projects.html in the Gradle documentation.
  */
 
 plugins {
     // Apply the application plugin to add support for building a CLI application in Java.
     application
+    // JMH Gradle Plugin
+    id("me.champeau.jmh") version "0.7.2"
 }
 
 repositories {
@@ -22,7 +22,7 @@ dependencies {
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")
 
     // This dependency is used by the application.
-    implementation(libs.guava)
+    //implementation(libs.guava)
 }
 
 // Apply a specific Java toolchain to ease working on different environments.
@@ -32,12 +32,29 @@ java {
     }
 }
 
-application {
-    // Define the main class for the application.
-    mainClass = "de.uni_marburg.powersort.App"
+// The `application` plugin provides the `JavaExec` task.
+// It automatically creates one task of that type called `run`.
+// It is not possible to rename it.
+// Thus, we remove it and add two custom named `JavaExec` tasks instead.
+tasks.getByName("run") {
+    enabled = false
+    description = "This task has been disabled. It does nothing o.O"
+}
+
+tasks.register<JavaExec>("runCustomBenchmark") {
+    group = "application"
+    classpath = sourceSets["main"].runtimeClasspath
+    mainClass = "de.uni_marburg.powersort.benchmark.Main"
 }
 
 tasks.named<Test>("test") {
     // Use JUnit Platform for unit tests.
     useJUnitPlatform()
+
+    reports {
+        // XML reports for GitLab CI.
+        junitXml.required.set(true)
+        // HTML reports to view with a webbrowser.
+        html.required.set(true)
+    }
 }

app/src/main/java/de/uni_marburg/powersort/App.java

@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package de.uni_marburg.powersort;
-
-public class App {
-    public String getGreeting() {
-        return "Let's bring Powersort to Java!";
-    }
-
-    public static void main(String[] args) {
-        System.out.println(new App().getGreeting());
-    }
-}

app/src/test/java/de/uni_marburg/powersort/AppTest.java

@@ -1,14 +0,0 @@
-/*
- * This source file was generated by the Gradle 'init' task
- */
-package de.uni_marburg.powersort;
-
-import org.junit.jupiter.api.Test;
-import static org.junit.jupiter.api.Assertions.*;
-
-class AppTest {
-    @Test void appHasAGreeting() {
-        App classUnderTest = new App();
-        assertNotNull(classUnderTest.getGreeting(), "app should have a greeting");
-    }
-}