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author | David Robillard <d@drobilla.net> | 2021-02-25 10:27:59 -0500 |
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committer | David Robillard <d@drobilla.net> | 2021-03-08 23:23:05 -0500 |
commit | c4821c8e6bf1f81c6ea31e11ebc0fc1666e9337b (patch) | |
tree | a62995534f5f606ac2f8bae22d525532b824cb5e /subprojects/exess/test/test_uint.c | |
parent | 6bcd18ae60482790b645a345f718e7099250f261 (diff) | |
download | serd-c4821c8e6bf1f81c6ea31e11ebc0fc1666e9337b.tar.gz serd-c4821c8e6bf1f81c6ea31e11ebc0fc1666e9337b.tar.bz2 serd-c4821c8e6bf1f81c6ea31e11ebc0fc1666e9337b.zip |
Add exess from git@gitlab.com:drobilla/exess.git 4638b1f
Diffstat (limited to 'subprojects/exess/test/test_uint.c')
-rw-r--r-- | subprojects/exess/test/test_uint.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/subprojects/exess/test/test_uint.c b/subprojects/exess/test/test_uint.c new file mode 100644 index 00000000..5889fc20 --- /dev/null +++ b/subprojects/exess/test/test_uint.c @@ -0,0 +1,128 @@ +/* + 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 "int_test_data.h" +#include "num_test_utils.h" + +#include "exess/exess.h" + +#include <assert.h> +#include <stdint.h> +#include <stdio.h> +#include <string.h> + +static void +check_read(const char* const string, + const ExessStatus expected_status, + const uint32_t expected_value, + const size_t expected_count) +{ + uint32_t value = 0; + const ExessResult r = exess_read_uint(&value, string); + + assert(r.status == expected_status); + assert(r.count == expected_count); + assert(value == expected_value); +} + +static void +test_read_uint(void) +{ + // Limits + check_read("0", EXESS_SUCCESS, 0, 1); + check_read("4294967295", EXESS_SUCCESS, UINT32_MAX, EXESS_MAX_UINT_LENGTH); + + // Out of range + check_read("4294967296", EXESS_OUT_OF_RANGE, 0, 10); + + // Garbage + check_read("-1", EXESS_EXPECTED_DIGIT, 0, 0); + check_read("+", EXESS_EXPECTED_DIGIT, 0, 0); +} + +static void +check_write(const uint32_t value, + const ExessStatus expected_status, + const size_t buf_size, + const char* const expected_string) +{ + char buf[EXESS_MAX_UINT_LENGTH + 1] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}; + + assert(buf_size <= sizeof(buf)); + + const ExessResult r = exess_write_uint(value, buf_size, buf); + assert(r.status == expected_status); + assert(r.count == strlen(buf)); + assert(!strcmp(buf, expected_string)); + assert(r.status || exess_write_uint(value, 0, NULL).count == r.count); +} + +static void +test_write_uint(void) +{ + check_write(0u, EXESS_SUCCESS, 2, "0"); + check_write(UINT32_MAX, EXESS_SUCCESS, 11, "4294967295"); +} + +static void +test_round_trip(const ExessNumTestOptions opts) +{ + uint32_t parsed_value = 0; + char buf[EXESS_MAX_UINT_LENGTH + 1] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}; + + if (opts.exhaustive) { + fprintf(stderr, "Testing xsd:unsignedInt exhaustively\n"); + + for (uint64_t i = 0u; i <= UINT32_MAX; ++i) { + assert(!exess_write_uint((uint32_t)i, sizeof(buf), buf).status); + assert(!exess_read_uint(&parsed_value, buf).status); + assert(parsed_value == i); + + print_num_test_progress(i, UINT32_MAX); + } + } else { + fprintf( + stderr, "Testing xsd:unsignedInt randomly with seed %u\n", opts.seed); + + uint32_t value = opts.seed; + for (uint64_t i = 0; i < opts.n_tests; ++i) { + value = lcg32(value); + + assert(!exess_write_uint(value, sizeof(buf), buf).status); + assert(!exess_read_uint(&parsed_value, buf).status); + assert(parsed_value == value); + + print_num_test_progress(i, opts.n_tests); + } + } +} + +int +main(int argc, char** argv) +{ + const ExessNumTestOptions opts = parse_num_test_options(argc, argv); + if (opts.error) { + return 1; + } + + test_read_uint(); + test_write_uint(); + test_round_trip(opts); + + return 0; +} |