if len(w.buf) > 0 {
		_, err := w.w.Write(w.buf)
		if err != nil {
			return err
		}
	}
	return nil
}

// Writer returns a new writer that implements Write(b)
// by writing f(b) to w. The returned writer may use an
// internal buffer to maintain state across Write calls.
// Calling its Close method writes any buffered data to w.
func (f Form) Writer(w io.Writer) io.WriteCloser {

	n, err = l.out.Write(b[0:excess])
	if err != nil {
		return
	}

	n, err = l.out.Write(nl)
	if err != nil {
		return
	}

	return l.Write(b[excess:])
}

func (l *lineBreaker) Close() (err error) {
	if l.used > 0 {
		_, err = l.out.Write(l.line[0:l.used])
		if err != nil {
			return
		}
		_, err = l.out.Write(nl)
	}

	return
}

        1 * writerContextMock.write('"testGroup"') >> writerContextMock
        1 * writerContextMock.write(' ') >> writerContextMock
        1 * writerContextMock.write('"java.lang:java.util*"') >> writerContextMock
        1 * writerContextMock.newLine() >> writerContextMock
    }

// with code expecting an [io.Writer].
//
// Reads and Writes on the pipe are matched one to one
// except when multiple Reads are needed to consume a single Write.
// That is, each Write to the [PipeWriter] blocks until it has satisfied
// one or more Reads from the [PipeReader] that fully consume
// the written data.
// The data is copied directly from the Write to the corresponding

    }

    /**
     * Method write.
     *
     * @param writer   a writer object
     * @param metadata a Metadata object
     * @throws java.io.IOException java.io.IOException if any
     */
    public void write(Writer writer, Metadata metadata) throws java.io.IOException {
        try {
            delegate.write(writer, metadata.getDelegate());
        } catch (XMLStreamException e) {

    }

    public void close() throws IOException {
        pipe.close();
    }
    public void write( int b ) throws IOException {
        tmp[0] = (byte)b;
        write( tmp, 0, 1 );
    }
    public void write( byte[] b ) throws IOException {
        write( b, 0, b.length );
    }
    public void write( byte[] b, int off, int len ) throws IOException {
        if( len < 0 ) {
            len = 0;
        }

import java.nio.channels.FileChannel
import okio.Buffer

/**
 * Read and write a target file. Unlike Okio's built-in `Okio.source(java.io.File file)` and `Okio.sink(java.io.File file)`
 * this class offers:
 *
 *  * **Read/write:** read and write using the same operator.
 *  * **Random access:** access any position within the file.
 *  * **Shared channels:** read and write a file channel that's shared between

	"errors"
	"fmt"
	"io"
	"sync"
	"time"
)

// lockedWriter serializes Write calls to an underlying Writer.
type lockedWriter struct {
	lock sync.Mutex
	w    io.Writer
}

func (w *lockedWriter) Write(b []byte) (int, error) {
	w.lock.Lock()
	defer w.lock.Unlock()
	return w.w.Write(b)
}

// testJSONFilter is an io.Writer filter that replaces the Package field in
// test2json output.
type testJSONFilter struct {

	}{
		{
			name:     "write no line",
			expected: 0,
		},
		{
			name:     "write one line",
			expected: 1,
		},
		{
			name:     "write 100 lines",
			expected: 100,
		},
		{
			name:     "write 1000 lines",
			expected: 1000,
		},
		{
			name:     "write 10000 lines",
			expected: 10000,
		},
		{
			name:     "write 100000 lines",
			expected: 100000,

        LineBufferingOutputStream outputStream = new LineBufferingOutputStream(action, separator, 8)
        outputStream.write("line ".getBytes())
        outputStream.write("1-line 2".getBytes())

        then:
        1 * action.text("line 1-")

        when:
        outputStream.write("-".getBytes())

        then:
        1 * action.text("line 2-")
    }

    def logsEmptyLines() {
        when: