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Diffstat (limited to 'subprojects/exess/test/test_short.c')
-rw-r--r-- | subprojects/exess/test/test_short.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/subprojects/exess/test/test_short.c b/subprojects/exess/test/test_short.c new file mode 100644 index 00000000..e0f3aa82 --- /dev/null +++ b/subprojects/exess/test/test_short.c @@ -0,0 +1,100 @@ +/* + Copyright 2011-2021 David Robillard <d@drobilla.net> + + Permission to use, copy, modify, and/or distribute this software for any + purpose with or without fee is hereby granted, provided that the above + copyright notice and this permission notice appear in all copies. + + THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +*/ + +#undef NDEBUG + +#include "exess/exess.h" + +#include <assert.h> +#include <stddef.h> +#include <stdint.h> +#include <string.h> + +static void +check_read(const char* const string, + const ExessStatus expected_status, + const int16_t expected_value, + const size_t expected_count) +{ + int16_t value = 0; + + const ExessResult r = exess_read_short(&value, string); + assert(value == expected_value); + assert(r.status == expected_status); + assert(r.count == expected_count); +} + +static void +test_read_short(void) +{ + // Limits + check_read("-32768", EXESS_SUCCESS, INT16_MIN, EXESS_MAX_SHORT_LENGTH); + check_read("32767", EXESS_SUCCESS, INT16_MAX, 5); + + // Out of range + check_read("-32769", EXESS_OUT_OF_RANGE, 0, 6); + check_read("32768", EXESS_OUT_OF_RANGE, 0, 5); + + // Garbage + check_read("+", EXESS_EXPECTED_DIGIT, 0, 1); +} + +static void +check_write(const int16_t value, + const ExessStatus expected_status, + const size_t buf_size, + const char* const expected_string) +{ + char buf[EXESS_MAX_SHORT_LENGTH + 1] = {1, 2, 3, 4, 5, 6}; + + assert(buf_size <= sizeof(buf)); + + const ExessResult r = exess_write_short(value, buf_size, buf); + assert(!strcmp(buf, expected_string)); + assert(r.status == expected_status); + assert(r.count == strlen(buf)); + assert(r.status || exess_write_short(value, 0, NULL).count == r.count); +} + +static void +test_write_short(void) +{ + check_write(INT16_MIN, EXESS_SUCCESS, 7, "-32768"); + check_write(INT16_MAX, EXESS_SUCCESS, 6, "32767"); +} + +static void +test_round_trip(void) +{ + int16_t value = 0; + char buf[EXESS_MAX_SHORT_LENGTH + 1] = {1, 2, 3, 4, 5, 6}; + + for (int32_t i = INT16_MIN; i <= INT16_MAX; ++i) { + assert(!exess_write_short((int16_t)i, sizeof(buf), buf).status); + assert(!exess_read_short(&value, buf).status); + assert(value == i); + } +} + +int +main(void) +{ + test_read_short(); + test_write_short(); + test_round_trip(); + + return 0; +} |