diff options
Diffstat (limited to 'libs/nanopb/tests/intsizes')
| -rw-r--r-- | libs/nanopb/tests/intsizes/SConscript | 12 | ||||
| -rw-r--r-- | libs/nanopb/tests/intsizes/intsizes.proto | 41 | ||||
| -rw-r--r-- | libs/nanopb/tests/intsizes/intsizes_unittests.c | 122 |
3 files changed, 175 insertions, 0 deletions
diff --git a/libs/nanopb/tests/intsizes/SConscript b/libs/nanopb/tests/intsizes/SConscript new file mode 100644 index 00000000..a90680bc --- /dev/null +++ b/libs/nanopb/tests/intsizes/SConscript @@ -0,0 +1,12 @@ +# Test that the int_size option in .proto works. + +Import('env') + +env.NanopbProto('intsizes') + +p = env.Program(["intsizes_unittests.c", + "intsizes.pb.c", + "$COMMON/pb_encode.o", + "$COMMON/pb_decode.o", + "$COMMON/pb_common.o"]) +env.RunTest(p) diff --git a/libs/nanopb/tests/intsizes/intsizes.proto b/libs/nanopb/tests/intsizes/intsizes.proto new file mode 100644 index 00000000..91444d41 --- /dev/null +++ b/libs/nanopb/tests/intsizes/intsizes.proto @@ -0,0 +1,41 @@ +/* Test the integer size overriding in nanopb options. + * This allows to use 8- and 16-bit integer variables, which are not supported + * directly by Google Protobuf. + * + * The int_size setting will override the number of bits, but keep the type + * otherwise. E.g. uint32 + IS_8 => uint8_t + */ + +syntax = "proto2"; + +import 'nanopb.proto'; + +message IntSizes { + required int32 req_int8 = 1 [(nanopb).int_size = IS_8]; + required uint32 req_uint8 = 2 [(nanopb).int_size = IS_8]; + required sint32 req_sint8 = 3 [(nanopb).int_size = IS_8]; + required int32 req_int16 = 4 [(nanopb).int_size = IS_16]; + required uint32 req_uint16 = 5 [(nanopb).int_size = IS_16]; + required sint32 req_sint16 = 6 [(nanopb).int_size = IS_16]; + required int32 req_int32 = 7 [(nanopb).int_size = IS_32]; + required uint32 req_uint32 = 8 [(nanopb).int_size = IS_32]; + required sint32 req_sint32 = 9 [(nanopb).int_size = IS_32]; + required int32 req_int64 = 10 [(nanopb).int_size = IS_64]; + required uint32 req_uint64 = 11 [(nanopb).int_size = IS_64]; + required sint32 req_sint64 = 12 [(nanopb).int_size = IS_64]; +} + +message DefaultSizes { + required int32 req_int8 = 1 ; + required uint32 req_uint8 = 2 ; + required sint32 req_sint8 = 3 ; + required int32 req_int16 = 4 ; + required uint32 req_uint16 = 5 ; + required sint32 req_sint16 = 6 ; + required int32 req_int32 = 7 ; + required uint32 req_uint32 = 8 ; + required sint32 req_sint32 = 9 ; + required int64 req_int64 = 10; + required uint64 req_uint64 = 11; + required sint64 req_sint64 = 12; +} diff --git a/libs/nanopb/tests/intsizes/intsizes_unittests.c b/libs/nanopb/tests/intsizes/intsizes_unittests.c new file mode 100644 index 00000000..79ef0369 --- /dev/null +++ b/libs/nanopb/tests/intsizes/intsizes_unittests.c @@ -0,0 +1,122 @@ +#include <stdio.h> +#include <string.h> +#include <pb_decode.h> +#include <pb_encode.h> +#include "unittests.h" +#include "intsizes.pb.h" + +#define S(x) pb_istream_from_buffer((uint8_t*)x, sizeof(x) - 1) + +/* This is a macro instead of function in order to get the actual values + * into the TEST() lines in output */ +#define TEST_ROUNDTRIP(int8, uint8, sint8, \ + int16, uint16, sint16, \ + int32, uint32, sint32, \ + int64, uint64, sint64, expected_result) \ +{ \ + uint8_t buffer1[128], buffer2[128]; \ + size_t msgsize; \ + DefaultSizes msg1 = DefaultSizes_init_zero; \ + IntSizes msg2 = IntSizes_init_zero; \ + \ + msg1.req_int8 = int8; \ + msg1.req_uint8 = uint8; \ + msg1.req_sint8 = sint8; \ + msg1.req_int16 = int16; \ + msg1.req_uint16 = uint16; \ + msg1.req_sint16 = sint16; \ + msg1.req_int32 = int32; \ + msg1.req_uint32 = uint32; \ + msg1.req_sint32 = sint32; \ + msg1.req_int64 = int64; \ + msg1.req_uint64 = uint64; \ + msg1.req_sint64 = sint64; \ + \ + { \ + pb_ostream_t s = pb_ostream_from_buffer(buffer1, sizeof(buffer1)); \ + TEST(pb_encode(&s, DefaultSizes_fields, &msg1)); \ + msgsize = s.bytes_written; \ + } \ + \ + { \ + pb_istream_t s = pb_istream_from_buffer(buffer1, msgsize); \ + TEST(pb_decode(&s, IntSizes_fields, &msg2) == expected_result); \ + if (expected_result) \ + { \ + TEST( (int64_t)msg2.req_int8 == int8); \ + TEST((uint64_t)msg2.req_uint8 == uint8); \ + TEST( (int64_t)msg2.req_sint8 == sint8); \ + TEST( (int64_t)msg2.req_int16 == int16); \ + TEST((uint64_t)msg2.req_uint16 == uint16); \ + TEST( (int64_t)msg2.req_sint16 == sint16); \ + TEST( (int64_t)msg2.req_int32 == int32); \ + TEST((uint64_t)msg2.req_uint32 == uint32); \ + TEST( (int64_t)msg2.req_sint32 == sint32); \ + TEST( (int64_t)msg2.req_int64 == int64); \ + TEST((uint64_t)msg2.req_uint64 == uint64); \ + TEST( (int64_t)msg2.req_sint64 == sint64); \ + } \ + } \ + \ + if (expected_result) \ + { \ + pb_ostream_t s = pb_ostream_from_buffer(buffer2, sizeof(buffer2)); \ + TEST(pb_encode(&s, IntSizes_fields, &msg2)); \ + TEST(s.bytes_written == msgsize); \ + TEST(memcmp(buffer1, buffer2, msgsize) == 0); \ + } \ +} + +int main() +{ + int status = 0; + + { + IntSizes msg = IntSizes_init_zero; + + COMMENT("Test field sizes"); + TEST(sizeof(msg.req_int8) == 1); + TEST(sizeof(msg.req_uint8) == 1); + TEST(sizeof(msg.req_sint8) == 1); + TEST(sizeof(msg.req_int16) == 2); + TEST(sizeof(msg.req_uint16) == 2); + TEST(sizeof(msg.req_sint16) == 2); + TEST(sizeof(msg.req_int32) == 4); + TEST(sizeof(msg.req_uint32) == 4); + TEST(sizeof(msg.req_sint32) == 4); + TEST(sizeof(msg.req_int64) == 8); + TEST(sizeof(msg.req_uint64) == 8); + TEST(sizeof(msg.req_sint64) == 8); + } + + COMMENT("Test roundtrip at maximum value"); + TEST_ROUNDTRIP(127, 255, 127, + 32767, 65535, 32767, + INT32_MAX, UINT32_MAX, INT32_MAX, + INT64_MAX, UINT64_MAX, INT64_MAX, true); + + COMMENT("Test roundtrip at minimum value"); + TEST_ROUNDTRIP(-128, 0, -128, + -32768, 0, -32768, + INT32_MIN, 0, INT32_MIN, + INT64_MIN, 0, INT64_MIN, true); + + COMMENT("Test overflow detection"); + TEST_ROUNDTRIP(-129, 0, -128, + -32768, 0, -32768, + INT32_MIN, 0, INT32_MIN, + INT64_MIN, 0, INT64_MIN, false); + TEST_ROUNDTRIP(127, 256, 127, + 32767, 65535, 32767, + INT32_MAX, UINT32_MAX, INT32_MAX, + INT64_MAX, UINT64_MAX, INT64_MAX, false); + TEST_ROUNDTRIP(-128, 0, -128, + -32768, 0, -32769, + INT32_MIN, 0, INT32_MIN, + INT64_MIN, 0, INT64_MIN, false); + + if (status != 0) + fprintf(stdout, "\n\nSome tests FAILED!\n"); + + return status; +}
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