}

// isSameDir reports whether dir1 and dir2 are the same directory.
func isSameDir(dir1, dir2 string) bool {
	if dir1 == dir2 {
		return true
	}
	info1, err1 := os.Stat(dir1)
	info2, err2 := os.Stat(dir2)
	return err1 == nil && err2 == nil && os.SameFile(info1, info2)
}

// isGOROOT reports whether path looks like a GOROOT.
//
// It does this by looking for the path/pkg/tool directory,

func (b *Writer) ReadFrom(r io.Reader) (n int64, err error) {
	if b.err != nil {
		return 0, b.err
	}
	readerFrom, readerFromOK := b.wr.(io.ReaderFrom)
	var m int
	for {
		if b.Available() == 0 {
			if err1 := b.Flush(); err1 != nil {
				return n, err1
			}
		}
		if readerFromOK && b.Buffered() == 0 {
			nn, err := readerFrom.ReadFrom(r)
			b.err = err
			n += nn
			return n, err
		}

//sysnb	Setpgid(pid int, pgid int) (err error) = SYS_SETPGID
//sysnb	Setrlimit(resource int, lim *Rlimit) (err error)
//sysnb	Setregid(rgid int, egid int) (err error) = SYS_SETREGID
//sysnb	Setreuid(ruid int, euid int) (err error) = SYS_SETREUID
//sysnb	Setsid() (pid int, err error) = SYS_SETSID
//sys	Setuid(uid int) (err error) = SYS_SETUID
//sys	Setgid(uid int) (err error) = SYS_SETGID
//sys	Shutdown(fd int, how int) (err error)

// can leave the file in a partially written state.
func WriteFile(name string, data []byte, perm FileMode) error {
	f, err := OpenFile(name, O_WRONLY|O_CREATE|O_TRUNC, perm)
	if err != nil {
		return err
	}
	_, err = f.Write(data)
	if err1 := f.Close(); err1 != nil && err == nil {
		err = err1
	}
	return err

func TestFowler(t *testing.T) {
	files, err := filepath.Glob("testdata/*.dat")
	if err != nil {
		t.Fatal(err)
	}
	for _, file := range files {
		t.Log(file)
		testFowler(t, file)
	}
}

var notab = MustCompilePOSIX(`[^\t]+`)

func testFowler(t *testing.T, file string) {
	f, err := os.Open(file)
	if err != nil {
		t.Error(err)
		return
	}
	defer f.Close()

					return err
				}
			case reflect.Bool:
				if err := emit(p, strconv.AppendBool(scratch[:0], vf.Bool())); err != nil {
					return err
				}
			case reflect.String:
				if err := emit(p, []byte(vf.String())); err != nil {
					return err
				}
			case reflect.Slice:
				if elem, ok := vf.Interface().([]byte); ok {
					if err := emit(p, elem); err != nil {
						return err
					}

	if !errors.Is(err, err1) {
		t.Error("errors.Is failed, wanted success")
	}
}

func macosMajorVersion(t *testing.T) (int, error) {
	cmd := testenv.Command(t, "sw_vers", "-productVersion")
	out, err := cmd.Output()
	if err != nil {
		if ee, ok := err.(*exec.ExitError); ok && len(ee.Stderr) > 0 {
			return 0, fmt.Errorf("%v: %v\n%s", cmd, err, ee.Stderr)
		}
		return 0, fmt.Errorf("%v: %v", cmd, err)

		err := scheme.Convert(simple, unstructuredObj, nil)
		if err == nil || !strings.Contains(err.Error(), "to Unstructured without providing a preferred version to convert to") {
			t.Fatalf("Unexpected non-error: %v", err)
		}
		if err := scheme.Convert(simple, unstructuredObj, externalGV); err != nil {
			t.Fatalf("Unexpected error: %v", err)
		}
		if e, a := simple.TestString, unstructuredObj.Object["testString"].(string); e != a {

	}

	var si driver.Stmt
	var err error
	withLock(dc, func() {
		si, err = ctxDriverPrepare(ctx, dc.ci, query)
	})
	if err != nil {
		releaseConn(err)
		return nil, err
	}

	ds := &driverStmt{Locker: dc, si: si}
	rowsi, err := rowsiFromStatement(ctx, dc.ci, ds, args...)
	if err != nil {
		ds.Close()
		releaseConn(err)
		return nil, err
	}

	// Evaluate results
	if err := reactor.CheckClaims(test.expectedClaims); err != nil {
		t.Errorf("Test %q: %v", test.name, err)

	}
	if err := reactor.CheckVolumes(test.expectedVolumes); err != nil {
		t.Errorf("Test %q: %v", test.name, err)
	}

	if err := checkEvents(t, ctx, test.expectedEvents, ctrl); err != nil {
		t.Errorf("Test %q: %v", test.name, err)
	}
}