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Diffstat (limited to 'tests/intsizes/intsizes_unittests.c')
| -rw-r--r-- | tests/intsizes/intsizes_unittests.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/tests/intsizes/intsizes_unittests.c b/tests/intsizes/intsizes_unittests.c new file mode 100644 index 0000000..79ef036 --- /dev/null +++ b/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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