func decodeDockerConfigFieldAuth(field string) (username, password string, err error) {

	var decoded []byte

	// StdEncoding can only decode padded string
	// RawStdEncoding can only decode unpadded string
	if strings.HasSuffix(strings.TrimSpace(field), "=") {
		// decode padded data
		decoded, err = base64.StdEncoding.DecodeString(field)
	} else {
		// decode unpadded data

     * <p>
     * Allowing communication with untrusted servers keeps data encrypted during transmission,
     * but makes it easier for a man-in-the-middle to impersonate the intended server and capture data.
     * <p>
     * This value has no effect if a server is specified using the HTTP protocol (i.e. has SSL disabled).
     *
     * @since 4.2
     */

			input:        []int{1, 2, 3},
			replace:      []int{10, 2, 3},
			insertBefore: []int{10, 1, 2, 3},
			insertAfter:  []int{1, 10, 2, 3},
			applied:      true,
		},
		{
			name:         "the middle",
			input:        []int{0, 1, 2, 3},
			replace:      []int{0, 10, 2, 3},
			insertBefore: []int{0, 10, 1, 2, 3},
			insertAfter:  []int{0, 1, 10, 2, 3},
			applied:      true,
		},
		{

	testenv.MustHaveGoBuild(t)

	// Start with a "self test" to make sure that if we *don't* pass in a
	// terminal, the test can correctly detect that. (cmd/go doesn't guarantee
	// that it won't add a terminal in the middle, but that would be pretty weird.)
	t.Run("pipe", func(t *testing.T) {
		r, w, err := os.Pipe()
		if err != nil {
			t.Fatalf("pipe failed: %s", err)
		}
		defer r.Close()
		defer w.Close()

		mi := ui - upper.dp + d.dp
		if mi >= d.nd {
			break
		}
		li := ui - upper.dp + lower.dp
		l := byte('0') // lower digit
		if li >= 0 && li < lower.nd {
			l = lower.d[li]
		}
		m := byte('0') // middle digit
		if mi >= 0 {
			m = d.d[mi]
		}
		u := byte('0') // upper digit
		if ui < upper.nd {
			u = upper.d[ui]
		}

		// Okay to round down (truncate) if lower has a different digit

	case v1.PodQOSGuaranteed:
		// Guaranteed containers should be the last to get killed.
		return guaranteedOOMScoreAdj
	case v1.PodQOSBestEffort:
		return besteffortOOMScoreAdj
	}

	// Burstable containers are a middle tier, between Guaranteed and Best-Effort. Ideally,
	// we want to protect Burstable containers that consume less memory than requested.
	// The formula below is a heuristic. A container requesting for 10% of a system's

     * A value of -1 indicates that no character is in the buffer.
     */
    private int[] readAheadChars = new int[2];

    /**
     * Whether or not the parser is currently in the middle of a string literal.
     */
    private boolean inString;

    /**
     * Whether or not the last char has been a backslash.
     */
    private boolean quoted;

package p

... `, false},
		// Special comment has rogue interior space.
		{`//     Code generated by gen. DO NOT EDIT.
package p
`, false},
		// Special comment lacks the middle portion.
		{`// Code generated DO NOT EDIT.
package p
`, false},
		// Special comment (incl. "//") appears within a /* block */ comment,
		// an obscure corner case of the spec.
		{`/* start of a general comment

// to "rate" bytes of the input are XORed into the sponge's state. The sponge
// is then "full" and the permutation is applied to "empty" it. This process is
// repeated until all the input has been "absorbed". The input is then padded.
// The digest is "squeezed" from the sponge in the same way, except that output
// is copied out instead of input being XORed in.
//
// A sponge is parameterized by its generic security strength, which is equal

import (
	"unsafe"
)

// The Data struct size is expected to be rounded up to 16 bytes.
type Data struct {
	Value  uint32   // 4 bytes
	Label  [10]byte // 10 bytes
	Active bool     // 1 byte
	// padded with 1 byte to make it align
}

func main() {
	assert(unsafe.Sizeof(Data{}) == 16)
}
`,
	},
}

func TestGCSizes(t *testing.T) {
	types2.DefPredeclaredTestFuncs()