then:
        cancelsAndExits()
    }

    def "should cancel build when System.in is closed"() {
        given:
        succeeds("build")

        when:
        gradle.stdinPipe.close()

        then:
        cancelsAndExits()
    }

    def "should cancel build when System.in contains some other characters, then closes"() {
        when:
        succeeds("build")
        stdinPipe << 'abc'

        then:

	}
	dc := db.freeConn[0]
	if dc.closed {
		t.Errorf("conn shouldn't be closed")
	}

	if n := len(dc.openStmt); n != 1 {
		t.Errorf("driverConn num openStmt = %d; want 1", n)
	}
	err = db.Close()
	if err != nil {
		t.Errorf("db Close = %v", err)
	}
	if !dc.closed {
		t.Errorf("after db.Close, driverConn should be closed")
	}
	if n := len(dc.openStmt); n != 0 {

// used by multiple goroutines concurrently.
type Stmt interface {
	// Close closes the statement.
	//
	// As of Go 1.1, a Stmt will not be closed if it's in use
	// by any queries.
	//
	// Drivers must ensure all network calls made by Close
	// do not block indefinitely (e.g. apply a timeout).
	Close() error

	// NumInput returns the number of placeholder parameters.
	//

const createStreamResponseTimeout = 30 * time.Second

// Close first sends a reset for all of the connection's streams, and then
// closes the underlying spdystream.Connection.
func (c *connection) Close() error {
	c.streamLock.Lock()
	for _, s := range c.streams {
		// calling Reset instead of Close ensures that all streams are fully torn down
		s.Reset()
	}

    ) {
      check(!closed) { "closed" }
      checkOffsetAndCount(source.size, 0, byteCount)
      sink.write(source, byteCount)
    }

    override fun flush() {
      if (closed) return // Don't throw; this stream might have been closed on the caller's behalf.
      sink.flush()
    }

    override fun close() {
      if (closed) return
      closed = true
      detachTimeout(timeout)

	CreateStream(headers http.Header) (Stream, error)
	// Close resets all streams and closes the connection.
	Close() error
	// CloseChan returns a channel that is closed when the underlying connection is closed.
	CloseChan() <-chan bool
	// SetIdleTimeout sets the amount of time the connection may remain idle before
	// it is automatically closed.
	SetIdleTimeout(timeout time.Duration)

 * must close this body by calling any of the following methods:
 *
 * * `Response.close()`
 * * `Response.body().close()`
 * * `Response.body().source().close()`
 * * `Response.body().charStream().close()`
 * * `Response.body().byteStream().close()`
 * * `Response.body().bytes()`
 * * `Response.body().string()`
 *
 * There is no benefit to invoking multiple `close()` methods for the same response body.
 *

    //     we find them, regardless of what the address policies need.
    //
    //  2. EVICTABLE: Connections not required by any address policy. This matches connections that
    //     don't participate in any policy, plus connections whose policies won't be violated if the
    //     connection is closed. We only close these if the idle connection limit is exceeded.
    //

			}
			if ew != nil {
				return
			}
		}
		if err != nil {
			// read is already closed - we need to close out
			_ = closeWriter(dst)
			return
		}
	}
}

// CloseWriter is one of possible interfaces implemented by Out to send a FIN, without closing
// the input. Some writers only do this when Close is called.
type CloseWriter interface {
	CloseWrite() error
}

func closeWriter(dst io.Writer) error {

	si          driver.Stmt
	closed      bool
	closeErr    error // return value of previous Close call
}

// Close ensures driver.Stmt is only closed once and always returns the same
// result.
func (ds *driverStmt) Close() error {
	ds.Lock()
	defer ds.Unlock()
	if ds.closed {
		return ds.closeErr
	}
	ds.closed = true
	ds.closeErr = ds.si.Close()
	return ds.closeErr
}