// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package http

import (
	"context"
	"net"
	"time"
)

// CheckPortAvailability - check if given host and port is already in use.
// Note: The check method tries to listen on given port and closes it.
// It is possible to have a disconnected client in this tiny window of time.
func CheckPortAvailability(host, port string, opts TCPOptions) (err error) {

	if err == io.EOF && size != 0 {
		err = io.ErrUnexpectedEOF
	}
	if err != nil && err != io.EOF {
		cr.err = err
		return n, cr.err
	}

	// If the chunk size is zero we return io.EOF. As specified by AWS,
	// only the last chunk is zero-sized.
	if len(cr.buffer) == 0 {
		if cr.debug {
			fmt.Println("EOF")
		}
		if cr.trailers != nil {
			err = cr.readTrailers()
			if cr.debug {

	// 1. Check that svc account appears in listing
	c.assertSvcAccAppearsInListing(ctx, userAdmClient, accessKey, cr.AccessKey)

	// 2. Check that svc account info can be queried
	c.assertSvcAccInfoQueryable(ctx, userAdmClient, accessKey, cr.AccessKey, false)

	// 3. Check S3 access
	c.assertSvcAccS3Access(ctx, s, cr, bucket)

	// 5. Check that service account can be deleted.

			t.Errorf("want full output %q, got %q", text, got)
		}
	}
	wantErr = regexp.MustCompile("^no exit code")
	check("abc")
	check("exitcode")
	check("exitcode=")
	check("exitcode=123\n")
	wantErr = regexp.MustCompile("^bad exit code: .* value out of range")
	check("exitcode=999999999999999999999999")

)

type UserCheck struct {
	Name  string `gorm:"check:name_checker,name <> 'jinzhu'"`
	Name2 string `gorm:"check:name <> 'jinzhu'"`
	Name3 string `gorm:"check:,name <> 'jinzhu'"`
}

func TestParseCheck(t *testing.T) {
	user, err := schema.Parse(&UserCheck{}, &sync.Map{}, schema.NamingStrategy{})
	if err != nil {
		t.Fatalf("failed to parse user check, got error %v", err)
	}

		"Overlapping domain values",
		"Please check the passed value",
		"MINIO_DOMAIN only accepts non-overlapping domain values",
	)

	ErrInvalidDomainValue = newErrFn(
		"Invalid domain value",
		"Please check the passed value",
		"Domain can only accept DNS compatible values",
	)

	ErrInvalidErasureSetSize = newErrFn(
		"Invalid erasure set size",
		"Please check the passed value",

		}
		t.Run(
			fmt.Sprintf("Test: %d, ServerType: %s%s", i+1, testCase.serverType, etcdStr),
			func(t *testing.T) {
				runAllIAMConcurrencyTests(testCase, &check{t, testCase.serverType})
			},
		)
	}
}

func (s *TestSuiteIAM) TestDeleteUserRace(c *check) {
	ctx, cancel := context.WithTimeout(context.Background(), 90*time.Second)
	defer cancel()

	bucket := getRandomBucketName()

	*b = Reader{
		buf:          buf,
		rd:           r,
		lastByte:     -1,
		lastRuneSize: -1,
	}
}

var errNegativeRead = errors.New("bufio: reader returned negative count from Read")

// fill reads a new chunk into the buffer.
func (b *Reader) fill() {
	// Slide existing data to beginning.
	if b.r > 0 {
		copy(b.buf, b.buf[b.r:b.w])
		b.w -= b.r
		b.r = 0
	}

	if b.w >= len(b.buf) {

						internalLogIf(ctx, err)
					}
				}
				dirStack = dirStack[:len(dirStack)-1]
			}

			// All objects will be returned as directories, there has been no object check yet.
			// Check it by attempting to read metadata.
			_, isDirObj := dirObjects[entry]
			if isDirObj {
				meta.name = meta.name[:len(meta.name)-1] + globalDirSuffixWithSlash
			}

			if s.walkReadMu != nil {

		for _, val := range icpTags {
			if val != "" {
				icpTag = val
			}
		}
		// when the revision is passed
		if icpTag != "" && tag != icpTag {
			check := "         Before upgrading, you may wish to use 'istioctl x precheck' to check for upgrade warnings.\n"
			revisionWarning := "         Running this command will overwrite it; use revisions to upgrade alongside the existing version.\n"