import javax.annotation.concurrent.ThreadSafe;
import java.io.File;
import java.util.Optional;

/**
 * Manages the shared services that are scoped to a particular Gradle user home dir and which can be shared by multiple build invocations. These shared services also include the global services.
 *
 * <p>A plugin can contribute shared services to this scope by providing an implementation of {@link GradleModuleServices}.
 */
@ThreadSafe

        expect:
        emptyDir.assertDoesNotExist()

        when:
        def cache = new DefaultPersistentDirectoryCache(emptyDir, "<display-name>", properties, mode(FileLockManager.LockMode.Shared), initializationAction, cacheCleanup, lockManager, Mock(ExecutorFactory), buildOperationRunner)
        try {
            cache.open()
        } finally {
            cache.close()
        }

        then:

        result == cache
        1 * cacheFactory.open(sharedCacheDir, null, [:], mode(Shared), _, NO_CLEANUP) >> cache
        0 * cacheFactory._
    }

    void createsGlobalCacheWithProperties() {
        when:
        builder.withProperties(properties).open()

        then:
        1 * cacheFactory.open(sharedCacheDir, null, properties, mode(Shared), _, NO_CLEANUP) >> cache
    }

    def "open locks cache directory with requested mode"() {
        final store = new DefaultPersistentDirectoryStore(cacheDir, "<display>", mode(Shared), null, lockManager, Mock(ExecutorFactory), buildOperationRunner)

        when:
        store.open()

        then:
        1 * lockManager.lock(cacheDir, mode(Shared), "<display> ($cacheDir)") >> lock

        when:
        store.close()

        then:
        _ * lock.state

import org.gradle.test.fixtures.file.TestFile
import org.gradle.test.precondition.Requires
import org.gradle.test.preconditions.UnitTestPreconditions
import spock.lang.Shared

class AllDistributionIntegrationSpec extends DistributionIntegrationSpec {

    @Shared String version = buildContext.distZipVersion.version

    def setup() {
        executer.requireOwnGradleUserHomeDir().requireIsolatedDaemons()
    }

    @Override

// build efficient, thread-safe free lists. However, it is not suitable for all
// free lists.
//
// An appropriate use of a Pool is to manage a group of temporary items
// silently shared among and potentially reused by concurrent independent
// clients of a package. Pool provides a way to amortize allocation overhead
// across many clients.
//

import org.gradle.internal.time.Clock
import org.gradle.testfixtures.ProjectBuilder
import org.gradle.util.TestUtil
import spock.lang.Shared
import spock.lang.Specification

public class TestNGTestFrameworkTest extends Specification {

    @Shared ObjectFactory objects = TestUtil.objectFactory()

    private project = ProjectBuilder.builder().build()
    Test testTask = TestUtil.createTask(Test, project)

     *
     * <p>Global services are visible to these shared services, but not vice versa.</p>
     *
     * @see Scope.UserHome
     */
    void registerGradleUserHomeServices(ServiceRegistration registration);

    /**

plugins {
    id("gradlebuild.distribution.api-java")
    id("gradlebuild.publish-public-libraries")
}

description = "Common shared build cache classes"

dependencies {
    implementation(projects.stdlibJavaExtensions)

    api(projects.files)
    api(projects.hashing)

    testImplementation(testFixtures(projects.hashing))

 */

package org.gradle.internal.cc.impl.inputs.process.instrument

import org.gradle.integtests.fixtures.GroovyBuildScriptLanguage
import org.gradle.test.fixtures.file.TestFile
import spock.lang.Shared

/**
 * Base class for tests that invoke external process with the dynamic Groovy code.
 * There are many different ways to run a process in Groovy, and all are producing different byte code.