build.gradle

plugins {
    id 'application'
    id 'org.jetbrains.kotlin.jvm' version '1.4.10'
}

repositories {
    mavenCentral()
}

configurations {
    integTestImplementation.extendsFrom implementation
    integTestRuntimeOnly.extendsFrom runtimeOnly
}


dependencies {
    implementation "org.jetbrains.kotlin:kotlin-stdlib"
    implementation "org.junit.jupiter:junit-jupiter:5.4.2"
    integTestImplementation "org.jetbrains.kotlin:kotlin-test:1.4.10"
}

sourceSets.main.kotlin.srcDirs = ['src/main']
sourceSets.test.kotlin.srcDirs = ['src/test']
sourceSets {
    integTest {
        compileClasspath += sourceSets.main.output
        runtimeClasspath += sourceSets.main.output
        java {
            srcDirs = ['src/integTest']
        }
    }
}

mainClassName = 'me.maria.VirtualMemoryKt'

test {
    useJUnitPlatform()
}

task integTest(type: Test){
    testClassesDirs = sourceSets.integTest.output.classesDirs
    classpath = sourceSets.integTest.runtimeClasspath
    useJUnitPlatform()
}

check.dependsOn integTest

jar {
    manifest {
        attributes(
                'Main-Class': 'me.maria.VirtualMemoryKt' //package вещь
        )
    }
    from {
        configurations.runtimeClasspath.collect {
            it.isDirectory()? it: zipTree(it)
        }
    }
}