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Diffstat (limited to 'subprojects/exess/test/test_ushort.c')
-rw-r--r-- | subprojects/exess/test/test_ushort.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/subprojects/exess/test/test_ushort.c b/subprojects/exess/test/test_ushort.c new file mode 100644 index 00000000..056e182a --- /dev/null +++ b/subprojects/exess/test/test_ushort.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 uint16_t expected_value, + const size_t expected_count) +{ + uint16_t value = 0; + + const ExessResult r = exess_read_ushort(&value, string); + assert(value == expected_value); + assert(r.status == expected_status); + assert(r.count == expected_count); +} + +static void +test_read_ushort(void) +{ + // Limits + check_read("0", EXESS_SUCCESS, 0, 1); + check_read("65535", EXESS_SUCCESS, UINT16_MAX, EXESS_MAX_USHORT_LENGTH); + + // Out of range + check_read("65536", EXESS_OUT_OF_RANGE, 0, 5); + + // Garbage + check_read("-1", EXESS_EXPECTED_DIGIT, 0, 0); + check_read("+", EXESS_EXPECTED_DIGIT, 0, 0); +} + +static void +check_write(const uint16_t value, + const ExessStatus expected_status, + const size_t buf_size, + const char* const expected_string) +{ + char buf[EXESS_MAX_USHORT_LENGTH + 1] = {1, 2, 3, 4, 5, 6}; + + assert(buf_size <= sizeof(buf)); + + const ExessResult r = exess_write_ushort(value, buf_size, buf); + assert(!strcmp(buf, expected_string)); + assert(r.status == expected_status); + assert(r.count == strlen(buf)); + assert(r.status || exess_write_ushort(value, 0, NULL).count == r.count); +} + +static void +test_write_ushort(void) +{ + check_write(0u, EXESS_SUCCESS, 2, "0"); + check_write(UINT16_MAX, EXESS_SUCCESS, 6, "65535"); +} + +static void +test_round_trip(void) +{ + uint16_t value = 0; + char buf[EXESS_MAX_USHORT_LENGTH + 1] = {1, 2, 3, 4, 5, 6}; + + for (uint32_t i = 0; i <= UINT16_MAX; ++i) { + assert(!exess_write_ushort((uint16_t)i, sizeof(buf), buf).status); + assert(!exess_read_ushort(&value, buf).status); + assert(value == i); + } +} + +int +main(void) +{ + test_read_ushort(); + test_write_ushort(); + test_round_trip(); + + return 0; +} |