select {
	case <-time.After(1 * time.Second):
		t.Error("timeout waiting for signal")
	case <-c:
		// Good
	}
}

func TestProcessReleaseTwice(t *testing.T) {
	testenv.MustHaveGoBuild(t)
	t.Parallel()

	r, w, err := os.Pipe()
	if err != nil {
		t.Fatalf("Pipe() got err %v, want nil", err)
	}
	defer r.Close()
	defer w.Close()

	p, err := os.StartProcess(testenv.GoToolPath(t), []string{"go"}, &os.ProcAttr{

	mtime         time.Time     // time of resolv.conf modification
	soffset       uint32        // used by serverOffset
	singleRequest bool          // use sequential A and AAAA queries instead of parallel queries
	useTCP        bool          // force usage of TCP for DNS resolutions
	trustAD       bool          // add AD flag to queries
	noReload      bool          // do not check for config file updates
}

public class ThingTest {
    @Test
    public void verify() {
        assertTrue(System.getProperty("java.version").startsWith("${version}."));
    }
}
"""
        }
    }

    def "can run Test tasks in parallel when using different Java version from Gradle"() {
        expect:
        succeeds("test")
    }

    /**
     * Returns an isolated listener for the registered actions, if any. The listener makes it impossible for
     * the actions to carry any shared mutable state across projects and can be safely executed in parallel.
     */
    @Nullable
    ProjectEvaluationListener isolateFor(Gradle owner);

    /**
     * Discards any registered actions. This doesn't affect any {@link #isolateFor(Gradle) previously returned isolated listeners}.

        then:
        customGradleUserHome.exists()
        project.gradle.startParameter.gradleUserHomeDir == customGradleUserHome
    }

    def "can be used in parallel"() {
        def threads = 5
        def startSignal = new CountDownLatch(1)
        def doneSignal = new CountDownLatch(threads)

        when:
        threads.times {
            new Thread({

Accessors for org.gradle.api.tasks.javadoc.Javadoc.maxMemory don't use symmetrical @Nullable
Accessors for org.gradle.api.tasks.testing.Test.forkEvery don't use symmetrical @Nullable
Accessors for org.gradle.api.tasks.testing.testng.TestNGOptions.parallel don't use symmetrical @Nullable
Accessors for org.gradle.caching.http.HttpBuildCache.url don't use symmetrical @Nullable

/**
 * [ApplicationServiceRegistration] centralizes registration of services with shared [MockApplication]s.
 *
 * The Kotlin core environment shares the application between multiple tests running in parallel. We need to ensure that application
 * services are only registered once, and especially that no races happen. Thread safety is ensured with a lock, while registrations are

	f.Add(`C:\"Program Files"\`)
	f.Add(`\\"Quoted Host"\\share`)
	f.Add("\xfb")
	f.Add("0")
	f.Add("")
	f.Add("''''''''")
	f.Add("\r")
	f.Add("\n")
	f.Add("E,%")
	f.Fuzz(func(t *testing.T, s string) {
		t.Parallel()

		for _, c := range []byte(s) {
			if c == 0 {
				t.Skipf("skipping %q: contains a null byte. Null bytes can't occur in the environment"+

        skipped ':test'

        where:
        property                 | modification
        'suiteName'              | '= "Honeymoon Suite"'
        'testName'               | '= "Turing completeness"'
        'parallel'               | '= "methods"'
        'threadCount'            | '= 2'
        'suiteThreadPoolSize'    | '= 2'
        'listeners'              | '= ["org.testng.reporters.FailedReporter"]'

import java.util.List;

/**
 * A specialized {@link ComponentGraphResolveState} for local components (ie project dependencies).
 *
 * <p>Instances of this type are cached and reused for multiple graph resolutions, possibly in parallel. This means that the implementation must be thread-safe.
 */
@ThreadSafe
public interface LocalComponentGraphResolveState extends ComponentGraphResolveState {
    ModuleVersionIdentifier getModuleVersionId();