assertThat(instr.read(), equalTo(-1))
        assertThat(instr.read(new byte[10]), equalTo(-1))
        assertThat(instr.read(new byte[10], 2, 5), equalTo(-1))
    }

    @Test
    void threadExecuterExecutesTheAction() {
        def e = new DisconnectableInputStream.ThreadExecuter()
        def latch = new CountDownLatch(1)

        e.execute {
            def t = Thread.currentThread()
            assert t.daemon