boolean increment;
    switch (mode) {
      case UNNECESSARY:
        checkRoundingUnnecessary(isPowerOfTwo(x));
        // fall through
      case FLOOR:
        increment = false;
        break;
      case CEILING:
        increment = !isPowerOfTwo(x);
        break;
      case DOWN:
        increment = exponent < 0 & !isPowerOfTwo(x);
        break;
      case UP:

)

// HTTPRangeSpec represents a range specification as supported by S3 GET
// object request.
//
// Case 1: Not present -> represented by a nil RangeSpec
// Case 2: bytes=1-10 (absolute start and end offsets) -> RangeSpec{false, 1, 10}
// Case 3: bytes=10- (absolute start offset with end offset unspecified) -> RangeSpec{false, 10, -1}
// Case 4: bytes=-30 (suffix length specification) -> RangeSpec{true, -30, -1}
type HTTPRangeSpec struct {

            switch (c) {
            case '\\':
            case '"':
                buf.append('\\');
                buf.append(c);
                break;
            case '/':
                buf.append('\\');
                buf.append(c);
                break;
            case '\b':
                buf.append("\\b");
                break;
            case '\t':
                buf.append("\\t");

			return
		}
		switch msgp.UnsafeString(field) {
		case "Name":
			z.Name, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Name")
				return
			}
		case "Writer":
			z.Writer, err = dc.ReadBool()
			if err != nil {
				err = msgp.WrapError(err, "Writer")
				return
			}
		case "UID":
			z.UID, err = dc.ReadString()
			if err != nil {

		expectedErr error
	}{
		// TestXLStorage case - 1.
		// A valid case, volume creation is expected to succeed.
		{
			volName:     "success-vol",
			expectedErr: nil,
		},
		// TestXLStorage case - 2.
		// Case where a file exists by the name of the volume to be created.
		{
			volName:     "vol-as-file",
			expectedErr: errVolumeExists,
		},
		// TestXLStorage case - 3.
		{
			volName:     "existing-vol",

	case ObjectAccessedHead:
		return "s3:ObjectAccessed:Head"
	case ObjectAccessedAttributes:
		return "s3:ObjectAccessed:Attributes"
	case ObjectCreatedAll:
		return "s3:ObjectCreated:*"
	case ObjectCreatedCompleteMultipartUpload:
		return "s3:ObjectCreated:CompleteMultipartUpload"
	case ObjectCreatedCopy:
		return "s3:ObjectCreated:Copy"
	case ObjectCreatedPost:
		return "s3:ObjectCreated:Post"
	case ObjectCreatedPut:

	}
	return
}

func (e *ConditionRHS) analyze(s *Select) (result qProp) {
	switch {
	case e.Compare != nil:
		result = e.Compare.Operand.analyze(s)
	case e.Between != nil:
		result.combine(e.Between.Start.analyze(s))
		result.combine(e.Between.End.analyze(s))
	case e.In != nil:
		result.combine(e.In.analyze(s))
	case e.Like != nil:
		result.combine(e.Like.Pattern.analyze(s))
		if e.Like.EscapeChar != nil {

			return
		}
		switch msgp.UnsafeString(field) {
		case "ObjectInfo":
			err = z.ObjectInfo.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "ObjectInfo")
				return
			}
		case "IfMatch":
			z.IfMatch, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "IfMatch")
				return
			}
		case "IfNoneMatch":
			z.IfNoneMatch, err = dc.ReadString()
			if err != nil {

	switch rval := result.(type) {
	case string:
		return FromString(rval), nil
	case float64:
		return FromFloat(rval), nil
	case int64:
		return FromInt(rval), nil
	case uint64:
		if rval <= math.MaxInt64 {
			return FromInt(int64(rval)), nil
		}
		return FromFloat(float64(rval)), nil
	case bool:
		return FromBool(rval), nil
	case jstream.KVS:
		bs, err := json.Marshal(result)

		expectedCredentials credentialHeader
		expectedErrCode     APIErrorCode
	}{
		// Test Case - 1.
		// Test case with no '=' in te inputCredentialStr.
		{
			inputCredentialStr:  "Credential",
			expectedCredentials: credentialHeader{},
			expectedErrCode:     ErrMissingFields,
		},
		// Test Case - 2.
		// Test case with no "Credential" string in te inputCredentialStr.
		{
			inputCredentialStr:  "Cred=",