assertTwoCompilerDaemonsAreRunning()

        when:
        executer.withWorkerDaemonsExpirationDisabled()
        succeeds("clean", "compileAll", "--info")

        then:
        executedAndNotSkipped "${compileTaskPath('main')}", "${compileTaskPath('main2')}"

        and:

        def pid2 = pidFile().text.strip() as long
        pid2 == pid1
    }

    private void startBuild(String task) {
        executer
            .withArgument('--debug')
            .withWorkerDaemonsExpirationDisabled()
            .withTasks(task)

        client = new DaemonClientFixture(executer.start())
    }

    private void cancelBuild() {
        client.kill()

        when:
        succeeds("run", "--parallel")

        then:
        noExceptionThrown()
    }

    def "re-uses an existing idle worker daemon"() {
        executer.withWorkerDaemonsExpirationDisabled()
        fixture.withWorkActionClassInBuildSrc()

        buildFile << """
            task runInDaemon(type: WorkerTask) {
                isolationMode = 'processIsolation'
            }

    public GradleExecuter requireIsolatedDaemons() {
        return withDaemonBaseDir(testDirectoryProvider.getTestDirectory().file("daemon"));
    }

    @Override
    public GradleExecuter withWorkerDaemonsExpirationDisabled() {
        return withCommandLineGradleOpts("-Dorg.gradle.workers.internal.disable-daemons-expiration=true");
    }

    @Override
    public boolean usesSharedDaemons() {