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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_ulong.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_ulong.c')
-rw-r--r-- | subprojects/exess/test/test_ulong.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/subprojects/exess/test/test_ulong.c b/subprojects/exess/test/test_ulong.c new file mode 100644 index 00000000..ba8ba05f --- /dev/null +++ b/subprojects/exess/test/test_ulong.c @@ -0,0 +1,126 @@ +/* + 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 uint64_t expected_value, + const size_t expected_count) +{ + uint64_t value = 0; + const ExessResult r = exess_read_ulong(&value, string); + + assert(r.status == expected_status); + assert(r.count == expected_count); + assert(value == expected_value); +} + +static void +test_read_ulong(void) +{ + // No input + check_read("", EXESS_EXPECTED_DIGIT, 0, 0); + check_read(" \f\n\r\t\v", EXESS_EXPECTED_DIGIT, 0, 6); + + // Canonical form + check_read("0", EXESS_SUCCESS, 0, 1); + check_read("1234", EXESS_SUCCESS, 1234, 4); + + // Non-canonical form + check_read(" \f\n\r\t\v1234 ", EXESS_SUCCESS, 1234, 10); + check_read(" \f\n\r\t\v01234 ", EXESS_SUCCESS, 1234, 11); + check_read("01234", EXESS_SUCCESS, 1234, 5); + check_read("00", EXESS_SUCCESS, 0, 2); + + // Limits + check_read("0", EXESS_SUCCESS, 0, 1); + check_read( + "18446744073709551615", EXESS_SUCCESS, UINT64_MAX, EXESS_MAX_ULONG_LENGTH); + + // Out of range + check_read("18446744073709551616", EXESS_OUT_OF_RANGE, 0, 19); + + // Trailing garbage + check_read("1234extra", EXESS_EXPECTED_END, 1234, 4); + + // Garbage + check_read(" \f\n\r\t\v+1234 ", EXESS_EXPECTED_DIGIT, 0, 6); + check_read("+1234", EXESS_EXPECTED_DIGIT, 0, 0); + check_read("+0", EXESS_EXPECTED_DIGIT, 0, 0); + check_read("+", EXESS_EXPECTED_DIGIT, 0, 0); + check_read("-", EXESS_EXPECTED_DIGIT, 0, 0); + check_read("true", EXESS_EXPECTED_DIGIT, 0, 0); + check_read("false", EXESS_EXPECTED_DIGIT, 0, 0); + check_read("zero", EXESS_EXPECTED_DIGIT, 0, 0); + check_read("NaN", EXESS_EXPECTED_DIGIT, 0, 0); + check_read("INF", EXESS_EXPECTED_DIGIT, 0, 0); + check_read("-INF", EXESS_EXPECTED_DIGIT, 0, 0); +} + +static void +check_write(const uint64_t value, + const ExessStatus expected_status, + const size_t buf_size, + const char* const expected_string) +{ + char buf[EXESS_MAX_ULONG_LENGTH + 1] = { + 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, // + 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, // + 21}; + + assert(buf_size <= sizeof(buf)); + + const ExessResult r = exess_write_ulong(value, buf_size, buf); + + assert(r.status == expected_status); + assert(r.count == strlen(buf)); + assert(!strcmp(buf, expected_string)); + assert(r.status || exess_write_ulong(value, 0, NULL).count == r.count); +} + +static void +test_write_ulong(void) +{ + check_write(0u, EXESS_SUCCESS, 2, "0"); + check_write(1u, EXESS_SUCCESS, 2, "1"); + check_write(UINT64_MAX, EXESS_SUCCESS, 21, "18446744073709551615"); + + check_write(1234u, EXESS_NO_SPACE, 4, ""); + + // Check that nothing is written when there isn't enough space + char c = 42; + const ExessResult r = exess_write_ulong(1234u, 0, &c); + assert(c == 42); + assert(r.status == EXESS_NO_SPACE); + assert(r.count == 0); +} + +int +main(void) +{ + test_read_ulong(); + test_write_ulong(); + return 0; +} |