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      1 /* Test handling of enums with different value ranges.
      2  * Depending on compiler and the packed_enum setting, the datatypes
      3  * for enums can be either signed or unsigned. In past this has caused
      4  * a bit of a problem for the encoder/decoder (issue #164).
      5  */
      6 
      7 syntax = "proto2";
      8 
      9 import 'nanopb.proto';
     10 
     11 option (nanopb_fileopt).long_names = false;
     12 
     13 enum UnpackedUint8 {
     14     option (nanopb_enumopt).packed_enum = false;
     15     UU8_MIN = 0;
     16     UU8_MAX = 255;
     17 }
     18 
     19 enum PackedUint8 {
     20     option (nanopb_enumopt).packed_enum = true;
     21     PU8_MIN = 0;
     22     PU8_MAX = 255;
     23 }
     24 
     25 enum UnpackedInt8 {
     26     option (nanopb_enumopt).packed_enum = false;
     27     UI8_MIN = -128;
     28     UI8_MAX = 127;
     29 }
     30 
     31 enum PackedInt8 {
     32     option (nanopb_enumopt).packed_enum = true;
     33     PI8_MIN = -128;
     34     PI8_MAX = 127;
     35 }
     36 
     37 enum UnpackedUint16 {
     38     option (nanopb_enumopt).packed_enum = false;
     39     UU16_MIN = 0;
     40     UU16_MAX = 65535;
     41 }
     42 
     43 enum PackedUint16 {
     44     option (nanopb_enumopt).packed_enum = true;
     45     PU16_MIN = 0;
     46     PU16_MAX = 65535;
     47 }
     48 
     49 enum UnpackedInt16 {
     50     option (nanopb_enumopt).packed_enum = false;
     51     UI16_MIN = -32768;
     52     UI16_MAX = 32767;
     53 }
     54 
     55 enum PackedInt16 {
     56     option (nanopb_enumopt).packed_enum = true;
     57     PI16_MIN = -32768;
     58     PI16_MAX = 32767;
     59 }
     60 
     61 /* Protobuf supports enums up to 32 bits.
     62  * The 32 bit case is covered by HugeEnum in the alltypes test.
     63  */
     64 
     65 message PackedEnums {
     66     required PackedUint8  u8_min  = 1;
     67     required PackedUint8  u8_max  = 2;
     68     required PackedInt8   i8_min  = 3;
     69     required PackedInt8   i8_max  = 4;
     70     required PackedUint16 u16_min = 5;
     71     required PackedUint16 u16_max = 6;
     72     required PackedInt16  i16_min = 7;
     73     required PackedInt16  i16_max = 8;
     74 }
     75 
     76 message UnpackedEnums {
     77     required UnpackedUint8  u8_min  = 1;
     78     required UnpackedUint8  u8_max  = 2;
     79     required UnpackedInt8   i8_min  = 3;
     80     required UnpackedInt8   i8_max  = 4;
     81     required UnpackedUint16 u16_min = 5;
     82     required UnpackedUint16 u16_max = 6;
     83     required UnpackedInt16  i16_min = 7;
     84     required UnpackedInt16  i16_max = 8;
     85 }
     86 
     87