mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-21 20:40:05 +00:00
335 lines
11 KiB
C
335 lines
11 KiB
C
/* Test for support_timespec_check_in_range function.
|
|
Copyright (C) 2020-2024 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <support/timespec.h>
|
|
#include <support/check.h>
|
|
#include <limits.h>
|
|
#include <intprops.h>
|
|
|
|
#define TIMESPEC_HZ 1000000000
|
|
|
|
struct timespec_ns_test_case
|
|
{
|
|
struct timespec time;
|
|
time_t time_ns;
|
|
};
|
|
|
|
struct timespec_norm_test_case
|
|
{
|
|
struct timespec time;
|
|
struct timespec norm;
|
|
};
|
|
|
|
struct timespec_test_case
|
|
{
|
|
struct timespec expected;
|
|
struct timespec observed;
|
|
double upper_bound;
|
|
double lower_bound;
|
|
int result;
|
|
};
|
|
|
|
#define TIME_T_MIN TYPE_MINIMUM (time_t)
|
|
#define TIME_T_MAX TYPE_MAXIMUM (time_t)
|
|
|
|
/* Test cases for timespec_ns */
|
|
struct timespec_ns_test_case ns_cases[] = {
|
|
{.time = {.tv_sec = 0, .tv_nsec = 0},
|
|
.time_ns = 0,
|
|
},
|
|
{.time = {.tv_sec = 0, .tv_nsec = 1},
|
|
.time_ns = 1,
|
|
},
|
|
{.time = {.tv_sec = 1, .tv_nsec = 0},
|
|
.time_ns = TIMESPEC_HZ,
|
|
},
|
|
{.time = {.tv_sec = 1, .tv_nsec = 1},
|
|
.time_ns = TIMESPEC_HZ + 1,
|
|
},
|
|
{.time = {.tv_sec = 0, .tv_nsec = -1},
|
|
.time_ns = -1,
|
|
},
|
|
{.time = {.tv_sec = -1, .tv_nsec = 0},
|
|
.time_ns = -TIMESPEC_HZ,
|
|
},
|
|
{.time = {.tv_sec = -1, .tv_nsec = -1},
|
|
.time_ns = -TIMESPEC_HZ - 1,
|
|
},
|
|
{.time = {.tv_sec = 1, .tv_nsec = -1},
|
|
.time_ns = TIMESPEC_HZ - 1,
|
|
},
|
|
{.time = {.tv_sec = -1, .tv_nsec = 1},
|
|
.time_ns = -TIMESPEC_HZ + 1,
|
|
},
|
|
/* Overflow boundary by 2 */
|
|
{.time = {.tv_sec = TIME_T_MAX / TIMESPEC_HZ,
|
|
.tv_nsec = TIME_T_MAX % TIMESPEC_HZ - 1},
|
|
.time_ns = TIME_T_MAX - 1,
|
|
},
|
|
/* Overflow boundary */
|
|
{.time = {.tv_sec = TIME_T_MAX / TIMESPEC_HZ,
|
|
.tv_nsec = TIME_T_MAX % TIMESPEC_HZ},
|
|
.time_ns = TIME_T_MAX,
|
|
},
|
|
/* Underflow boundary by 1 */
|
|
{.time = {.tv_sec = TIME_T_MIN / TIMESPEC_HZ,
|
|
.tv_nsec = TIME_T_MIN % TIMESPEC_HZ + 1},
|
|
.time_ns = TIME_T_MIN + 1,
|
|
},
|
|
/* Underflow boundary */
|
|
{.time = {.tv_sec = TIME_T_MIN / TIMESPEC_HZ,
|
|
.tv_nsec = TIME_T_MIN % TIMESPEC_HZ},
|
|
.time_ns = TIME_T_MIN,
|
|
},
|
|
/* Multiplication overflow */
|
|
{.time = {.tv_sec = TIME_T_MAX / TIMESPEC_HZ + 1, .tv_nsec = 1},
|
|
.time_ns = TIME_T_MAX,
|
|
},
|
|
/* Multiplication underflow */
|
|
{.time = {.tv_sec = TIME_T_MIN / TIMESPEC_HZ - 1, .tv_nsec = -1},
|
|
.time_ns = TIME_T_MIN,
|
|
},
|
|
/* Sum overflows */
|
|
{.time = {.tv_sec = TIME_T_MAX / TIMESPEC_HZ,
|
|
.tv_nsec = TIME_T_MAX % TIMESPEC_HZ + 1},
|
|
.time_ns = TIME_T_MAX,
|
|
},
|
|
/* Sum underflow */
|
|
{.time = {.tv_sec = TIME_T_MIN / TIMESPEC_HZ,
|
|
.tv_nsec = TIME_T_MIN % TIMESPEC_HZ - 1},
|
|
.time_ns = TIME_T_MIN,
|
|
}
|
|
};
|
|
|
|
/* Test cases for timespec_norm */
|
|
struct timespec_norm_test_case norm_cases[] = {
|
|
/* Positive cases */
|
|
{.time = {.tv_sec = 0, .tv_nsec = 0},
|
|
.norm = {.tv_sec = 0, .tv_nsec = 0}
|
|
},
|
|
{.time = {.tv_sec = 1, .tv_nsec = 0},
|
|
.norm = {.tv_sec = 1, .tv_nsec = 0}
|
|
},
|
|
{.time = {.tv_sec = 0, .tv_nsec = 1},
|
|
.norm = {.tv_sec = 0, .tv_nsec = 1}
|
|
},
|
|
{.time = {.tv_sec = 0, .tv_nsec = TIMESPEC_HZ},
|
|
.norm = {.tv_sec = 1, .tv_nsec = 0}
|
|
},
|
|
{.time = {.tv_sec = 0, .tv_nsec = TIMESPEC_HZ + 1},
|
|
.norm = {.tv_sec = 1, .tv_nsec = 1}
|
|
},
|
|
{.time = {.tv_sec = 1, .tv_nsec = TIMESPEC_HZ},
|
|
.norm = {.tv_sec = 2, .tv_nsec = 0}
|
|
},
|
|
{.time = {.tv_sec = 1, .tv_nsec = TIMESPEC_HZ + 1},
|
|
.norm = {.tv_sec = 2, .tv_nsec = 1}
|
|
},
|
|
/* Negative cases */
|
|
{.time = {.tv_sec = 0, .tv_nsec = -TIMESPEC_HZ},
|
|
.norm = {.tv_sec = -1, .tv_nsec = 0}
|
|
},
|
|
{.time = {.tv_sec = 0, .tv_nsec = -TIMESPEC_HZ - 1},
|
|
.norm = {.tv_sec = -1, .tv_nsec = -1}
|
|
},
|
|
{.time = {.tv_sec = -1, .tv_nsec = -TIMESPEC_HZ},
|
|
.norm = {.tv_sec = -2, .tv_nsec = 0}
|
|
},
|
|
{.time = {.tv_sec = -1, .tv_nsec = -TIMESPEC_HZ - 1},
|
|
.norm = {.tv_sec = -2, .tv_nsec = -1}
|
|
},
|
|
/* Overflow boundary by 2 */
|
|
{.time = {.tv_sec = TIME_T_MAX - 2, .tv_nsec = TIMESPEC_HZ + 1},
|
|
.norm = {.tv_sec = TIME_T_MAX - 1, 1},
|
|
},
|
|
/* Overflow boundary by 1 */
|
|
{.time = {.tv_sec = TIME_T_MAX - 1, .tv_nsec = TIMESPEC_HZ + 1},
|
|
.norm = {.tv_sec = TIME_T_MAX, .tv_nsec = 1},
|
|
},
|
|
/* Underflow boundary by 2 */
|
|
{.time = {.tv_sec = TIME_T_MIN + 2, .tv_nsec = -TIMESPEC_HZ - 1},
|
|
.norm = {.tv_sec = TIME_T_MIN + 1, -1},
|
|
},
|
|
/* Underflow boundary by 1 */
|
|
{.time = {.tv_sec = TIME_T_MIN + 1, .tv_nsec = -TIMESPEC_HZ - 1},
|
|
.norm = {.tv_sec = TIME_T_MIN, .tv_nsec = -1},
|
|
},
|
|
/* SUM overflow */
|
|
{.time = {.tv_sec = TIME_T_MAX, .tv_nsec = TIMESPEC_HZ},
|
|
.norm = {.tv_sec = TIME_T_MAX, .tv_nsec = TIMESPEC_HZ - 1},
|
|
},
|
|
/* SUM underflow */
|
|
{.time = {.tv_sec = TIME_T_MIN, .tv_nsec = -TIMESPEC_HZ},
|
|
.norm = {.tv_sec = TIME_T_MIN, .tv_nsec = -1 * (TIMESPEC_HZ - 1)},
|
|
}
|
|
};
|
|
|
|
/* Test cases for timespec_check_in_range */
|
|
struct timespec_test_case check_cases[] = {
|
|
/* 0 - In range */
|
|
{.expected = {.tv_sec = 1, .tv_nsec = 0},
|
|
.observed = {.tv_sec = 1, .tv_nsec = 0},
|
|
.upper_bound = 1, .lower_bound = 1, .result = 1,
|
|
},
|
|
/* 1 - Out of range */
|
|
{.expected = {.tv_sec = 1, .tv_nsec = 0},
|
|
.observed = {.tv_sec = 2, .tv_nsec = 0},
|
|
.upper_bound = 1, .lower_bound = 1, .result = 0,
|
|
},
|
|
/* 2 - Upper Bound */
|
|
{.expected = {.tv_sec = 1, .tv_nsec = 0},
|
|
.observed = {.tv_sec = 2, .tv_nsec = 0},
|
|
.upper_bound = 2, .lower_bound = 1, .result = 1,
|
|
},
|
|
/* 3 - Lower Bound */
|
|
{.expected = {.tv_sec = 1, .tv_nsec = 0},
|
|
.observed = {.tv_sec = 0, .tv_nsec = 0},
|
|
.upper_bound = 1, .lower_bound = 0, .result = 1,
|
|
},
|
|
/* 4 - Out of range by nanosecs */
|
|
{.expected = {.tv_sec = 1, .tv_nsec = 0},
|
|
.observed = {.tv_sec = 1, .tv_nsec = 500},
|
|
.upper_bound = 1, .lower_bound = 1, .result = 0,
|
|
},
|
|
/* 5 - In range by nanosecs */
|
|
{.expected = {.tv_sec = 1, .tv_nsec = 0},
|
|
.observed = {.tv_sec = 1, .tv_nsec = 50000},
|
|
.upper_bound = 1.3, .lower_bound = 1, .result = 1,
|
|
},
|
|
/* 6 - Big nanosecs */
|
|
{.expected = {.tv_sec = 1, .tv_nsec = 0},
|
|
.observed = {.tv_sec = 0, .tv_nsec = 4000000},
|
|
.upper_bound = 1, .lower_bound = .001, .result = 1,
|
|
},
|
|
/* 7 - In range Negative values */
|
|
{.expected = {.tv_sec = -1, .tv_nsec = 0},
|
|
.observed = {.tv_sec = -1, .tv_nsec = 0},
|
|
.upper_bound = 1, .lower_bound = 1, .result = 1,
|
|
},
|
|
/* 8 - Out of range Negative values */
|
|
{.expected = {.tv_sec = -1, .tv_nsec = 0},
|
|
.observed = {.tv_sec = -1, .tv_nsec = 0},
|
|
.upper_bound = -1, .lower_bound = -1, .result = 0,
|
|
},
|
|
/* 9 - Negative values with negative nanosecs */
|
|
{.expected = {.tv_sec = -1, .tv_nsec = 0},
|
|
.observed = {.tv_sec = -1, .tv_nsec = -2000},
|
|
.upper_bound = 1, .lower_bound = 1, .result = 0,
|
|
},
|
|
/* 10 - Strict bounds */
|
|
{.expected = {.tv_sec = -1, .tv_nsec = 0},
|
|
.observed = {.tv_sec = -1, .tv_nsec = -20000},
|
|
.upper_bound = 1.00002, .lower_bound = 1.0000191, .result = 1,
|
|
},
|
|
/* 11 - Strict bounds with loose upper bound */
|
|
{.expected = {.tv_sec = 1, .tv_nsec = 20000},
|
|
.observed = {.tv_sec = 1, .tv_nsec = 30000},
|
|
.upper_bound = 1.0000100000, .lower_bound = 1.0000099998, .result = 1,
|
|
},
|
|
/* 12 - Strict bounds with loose lower bound */
|
|
{.expected = {.tv_sec = 1, .tv_nsec = 20000},
|
|
.observed = {.tv_sec = 1, .tv_nsec = 30000},
|
|
.upper_bound = 1.0000099999, .lower_bound = 1.00000999979, .result = 1,
|
|
},
|
|
/* 13 - Strict bounds highest precision */
|
|
{.expected = {.tv_sec = 1, .tv_nsec = 20000},
|
|
.observed = {.tv_sec = 1, .tv_nsec = 30000},
|
|
.upper_bound = 1.00000999980001, .lower_bound = 1.00000999979999, .result = 1,
|
|
},
|
|
/* Maximum/Minimum long values */
|
|
/* 14 */
|
|
{.expected = {.tv_sec = TIME_T_MAX, .tv_nsec = TIMESPEC_HZ - 1},
|
|
.observed = {.tv_sec = TIME_T_MAX, .tv_nsec = TIMESPEC_HZ - 2},
|
|
.upper_bound = 1, .lower_bound = .9, .result = 1,
|
|
},
|
|
/* 15 - support_timespec_ns overflow */
|
|
{.expected = {.tv_sec = TIME_T_MAX, .tv_nsec = TIMESPEC_HZ},
|
|
.observed = {.tv_sec = TIME_T_MAX, .tv_nsec = TIMESPEC_HZ},
|
|
.upper_bound = 1, .lower_bound = 1, .result = 1,
|
|
},
|
|
/* 16 - support_timespec_ns overflow + underflow */
|
|
{.expected = {.tv_sec = TIME_T_MAX, .tv_nsec = TIMESPEC_HZ},
|
|
.observed = {.tv_sec = TIME_T_MIN, .tv_nsec = -TIMESPEC_HZ},
|
|
.upper_bound = 1, .lower_bound = 1, .result = 0,
|
|
},
|
|
/* 17 - support_timespec_ns underflow */
|
|
{.expected = {.tv_sec = TIME_T_MIN, .tv_nsec = -TIMESPEC_HZ},
|
|
.observed = {.tv_sec = TIME_T_MIN, .tv_nsec = -TIMESPEC_HZ},
|
|
.upper_bound = 1, .lower_bound = 1, .result = 1,
|
|
},
|
|
/* 18 - support_timespec_ns underflow + overflow */
|
|
{.expected = {.tv_sec = TIME_T_MIN, .tv_nsec = -TIMESPEC_HZ},
|
|
.observed = {.tv_sec = TIME_T_MAX, .tv_nsec = TIMESPEC_HZ},
|
|
.upper_bound = 1, .lower_bound = 1, .result = 0,
|
|
},
|
|
/* 19 - Biggest division */
|
|
{.expected = {.tv_sec = TIME_T_MAX / TIMESPEC_HZ,
|
|
.tv_nsec = TIMESPEC_HZ - 1},
|
|
.observed = {.tv_sec = 0, .tv_nsec = 1},
|
|
.upper_bound = 1, .lower_bound = 1.0842021724855044e-19, .result = 1,
|
|
},
|
|
/* 20 - Lowest division */
|
|
{.expected = {.tv_sec = 0, .tv_nsec = 1},
|
|
.observed = {.tv_sec = TIME_T_MAX / TIMESPEC_HZ,
|
|
.tv_nsec = TIMESPEC_HZ - 1},
|
|
.upper_bound = TIME_T_MAX, .lower_bound = 1, .result = 1,
|
|
},
|
|
};
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
int i = 0;
|
|
int ntests = sizeof (ns_cases) / sizeof (ns_cases[0]);
|
|
|
|
printf("Testing support_timespec_ns\n");
|
|
for (i = 0; i < ntests; i++)
|
|
{
|
|
printf("Test case %d\n", i);
|
|
TEST_COMPARE (support_timespec_ns (ns_cases[i].time),
|
|
ns_cases[i].time_ns);
|
|
}
|
|
|
|
ntests = sizeof (norm_cases) / sizeof (norm_cases[0]);
|
|
struct timespec result;
|
|
printf("Testing support_timespec_normalize\n");
|
|
for (i = 0; i < ntests; i++)
|
|
{
|
|
printf("Test case %d\n", i);
|
|
result = support_timespec_normalize (norm_cases[i].time);
|
|
TEST_COMPARE (norm_cases[i].norm.tv_sec, result.tv_sec);
|
|
TEST_COMPARE (norm_cases[i].norm.tv_nsec, result.tv_nsec);
|
|
}
|
|
|
|
ntests = sizeof (check_cases) / sizeof (check_cases[0]);
|
|
printf("Testing support_timespec_check_in_range\n");
|
|
for (i = 0; i < ntests; i++)
|
|
{
|
|
/* Its hard to find which test failed with just the TEST_COMPARE report.
|
|
So here we print every running testcase as well. */
|
|
printf("Test case %d\n", i);
|
|
TEST_COMPARE (support_timespec_check_in_range
|
|
(check_cases[i].expected, check_cases[i].observed,
|
|
check_cases[i].lower_bound,
|
|
check_cases[i].upper_bound), check_cases[i].result);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|