}

  public void testNewWriter() throws IOException {
    File temp = createTempFile();
    assertThrows(NullPointerException.class, () -> Files.newWriter(temp, null));

    assertThrows(NullPointerException.class, () -> Files.newWriter(null, UTF_8));

    BufferedWriter w = Files.newWriter(temp, UTF_8);
    try {
      w.write(I18N);
    } finally {
      w.close();
    }

    File i18nFile = getTestFile("i18n.txt");

	dstBuf := new(bytes.Buffer)
	dst := NewWriter(dstBuf)
	for i := 0; i < b.N; i++ {
		srcBuf.Reset()
		dstBuf.Reset()
		dst.Reset(dstBuf)
		io.Copy(dst, src)
	}
}

func BenchmarkWriterCopyUnoptimal(b *testing.B) {
	srcBuf := bytes.NewBuffer(make([]byte, 8192))
	src := onlyReader{srcBuf}
	dstBuf := new(bytes.Buffer)
	dst := NewWriter(onlyWriter{dstBuf})
	for i := 0; i < b.N; i++ {

package tar_test

import (
	"archive/tar"
	"bytes"
	"fmt"
	"io"
	"log"
	"os"
)

func Example_minimal() {
	// Create and add some files to the archive.
	var buf bytes.Buffer
	tw := tar.NewWriter(&buf)
	var files = []struct {
		Name, Body string
	}{
		{"readme.txt", "This archive contains some text files."},
		{"gopher.txt", "Gopher names:\nGeorge\nGeoffrey\nGonzo"},

				continue
			}
		}

		// If we were unable to read anything out of the archive don't
		// bother trying to roundtrip it.
		if len(files) == 0 {
			return
		}

		w := NewWriter(io.Discard)
		for _, f := range files {
			ww, err := w.CreateHeader(f.header)
			if err != nil {
				t.Fatalf("unable to write previously parsed header: %s", err)
			}
			if _, err := ww.Write(f.content); err != nil {

	"strings"
	"testing"
	"time"
)

func TestOver65kFiles(t *testing.T) {
	if testing.Short() && testenv.Builder() == "" {
		t.Skip("skipping in short mode")
	}
	buf := new(strings.Builder)
	w := NewWriter(buf)
	const nFiles = (1 << 16) + 42
	for i := 0; i < nFiles; i++ {
		_, err := w.CreateHeader(&FileHeader{
			Name:   fmt.Sprintf("%d.dat", i),
			Method: Store, // Deflate is too slow when it is compiled with -race flag

		t.Error(err)
	}
}

func BenchmarkEncodeServerSystemConfig(b *testing.B) {
	v := ServerSystemConfig{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)
	b.SetBytes(int64(buf.Len()))
	en := msgp.NewWriter(msgp.Nowhere)
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		v.EncodeMsg(en)
	}
	en.Flush()
}

func BenchmarkDecodeServerSystemConfig(b *testing.B) {
	v := ServerSystemConfig{}

	if err != nil {
		t.Error(err)
	}
}

func BenchmarkEncodeBucketMetadata(b *testing.B) {
	v := BucketMetadata{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)
	b.SetBytes(int64(buf.Len()))
	en := msgp.NewWriter(msgp.Nowhere)
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		v.EncodeMsg(en)
	}
	en.Flush()
}

func BenchmarkDecodeBucketMetadata(b *testing.B) {
	v := BucketMetadata{}

	log.SetPrefix("mkzip: ")
	log.SetFlags(0)
	flag.Usage = usage
	flag.Parse()
	args := flag.Args()
	if len(args) != 1 || !strings.HasSuffix(args[0], ".zip") {
		usage()
	}

	var zb bytes.Buffer
	zw := zip.NewWriter(&zb)
	seen := make(map[string]bool)
	err := filepath.WalkDir(".", func(path string, d fs.DirEntry, err error) error {
		if d.IsDir() {
			return nil
		}
		data, err := os.ReadFile(path)
		if err != nil {

	if err != nil {
		t.Error(err)
	}
}

func BenchmarkEncodehealingTracker(b *testing.B) {
	v := healingTracker{}
	var buf bytes.Buffer
	msgp.Encode(&buf, &v)
	b.SetBytes(int64(buf.Len()))
	en := msgp.NewWriter(msgp.Nowhere)
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		v.EncodeMsg(en)
	}
	en.Flush()
}

func BenchmarkDecodehealingTracker(b *testing.B) {
	v := healingTracker{}

}

func printHeader(writer io.Writer) {
	w := tabwriter.NewWriter(writer, 13, 1, 2, ' ', tabwriter.AlignRight)
	_, _ = fmt.Fprintf(w, "%40s\tTOTAL RPS\tERROR RPS\tP50 LATENCY\tP90 LATENCY\tP99 LATENCY\t\n", "WORKLOAD")
	_ = w.Flush()
}

func printMetrics(writer io.Writer, wm workloadMetrics) {
	w := tabwriter.NewWriter(writer, 13, 1, 2, ' ', tabwriter.AlignRight)
	_, _ = fmt.Fprintf(w, "%40s\t", wm.workload)