Commit f735015e authored by Daniel Stone's avatar Daniel Stone

lib/tests: Add igt_assert_*() self-tests

Make sure our igt_assert variants are doing something that looks vaguely
like the right thing.
Signed-off-by: Daniel Stone's avatarDaniel Stone <daniels@collabora.com>
parent f40a9844
# Please keep sorted alphabetically
igt_assert
igt_fork_helper
igt_invalid_subtest_name
igt_list_only
......
......@@ -10,6 +10,7 @@ check_PROGRAMS = \
igt_timeout \
igt_invalid_subtest_name \
igt_segfault \
igt_assert \
$(NULL)
check_SCRIPTS = \
......
/*
* Copyright © 2015 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*/
#include <assert.h>
#include <errno.h>
#include <float.h>
#include <limits.h>
#include <math.h>
#include <signal.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "igt_core.h"
/*
* We need to hide assert from the cocci igt test refactor spatch.
*
* IMPORTANT: Test infrastructure tests are the only valid places where using
* assert is allowed.
*/
#define internal_assert assert
char test[] = "test";
char *argv_run[] = { test };
void (*test_to_run)(void) = NULL;
/*
* A really tedious way of making sure we execute every negative test, and that
* they all really fail.
*/
#define CHECK_NEG(x) { \
igt_subtest_f("XFAIL_simple_%d", __LINE__) { \
(*exec_before)++; \
x; \
raise(SIGBUS); \
} \
exec_total++; \
}
static int do_fork(void)
{
int pid, status;
int argc;
switch (pid = fork()) {
case -1:
internal_assert(0);
case 0:
argc = 1;
igt_simple_init(argc, argv_run);
test_to_run();
igt_exit();
default:
while (waitpid(pid, &status, 0) == -1 &&
errno == EINTR)
;
if(WIFSIGNALED(status))
return WTERMSIG(status) + 128;
return WEXITSTATUS(status);
}
}
static void test_cmpint_negative(void)
{
int *exec_before = calloc(1, sizeof(int));
int exec_total = 0;
CHECK_NEG(igt_assert_eq(INT_MIN, INT_MAX));
CHECK_NEG(igt_assert_eq_u32(0xfffffffeUL, 0xffffffffUL));
CHECK_NEG(igt_assert_eq_u64(0xfffeffffffffffffULL, 0xffffffffffffffffULL));
CHECK_NEG(igt_assert_eq_u64(0xfffffffeffffffffULL, 0xffffffffffffffffULL));
CHECK_NEG(igt_assert_eq_u64(0xfffffffffffeffffULL, 0xffffffffffffffffULL));
CHECK_NEG(igt_assert_eq_double(0.0, DBL_MAX));
CHECK_NEG(igt_assert_eq_double(DBL_MAX, nexttoward(DBL_MAX, 0.0)));
if (*exec_before != exec_total)
raise(SIGSEGV);
}
static void test_cmpint(void)
{
igt_assert_eq(0, 0);
igt_assert_eq(INT_MAX, INT_MAX);
igt_assert_eq(INT_MAX, INT_MAX);
igt_assert_neq(INT_MIN, INT_MAX);
igt_assert_eq_u32(0, 0);
igt_assert_eq_u32(0xffffffffUL, 0xffffffffUL);
igt_assert_neq_u32(0xfffffffeUL, 0xffffffffUL);
igt_assert_eq_u64(0, 0);
igt_assert_eq_u64(0xffffffffffffffffULL, 0xffffffffffffffffULL);
igt_assert_neq_u64(0xfffffffffffffffeULL, 0xffffffffffffffffULL);
igt_assert_eq_double(0.0, 0.0);
igt_assert_eq_double(DBL_MAX, DBL_MAX);
igt_assert_neq_double(0.0, DBL_MAX);
}
static void test_fd_negative(void)
{
int *exec_before = calloc(1, sizeof(int));
int exec_total = 0;
CHECK_NEG(igt_assert_fd(-1));
CHECK_NEG(igt_assert_fd(INT_MIN));
if (*exec_before != exec_total)
raise(SIGSEGV);
}
static void test_fd(void)
{
igt_assert_fd(0);
igt_assert_fd(1);
igt_assert_fd(INT_MAX);
}
igt_main
{
int ret;
igt_subtest("igt_cmpint")
test_cmpint();
/*
* The awkward subtest dance here is because we really want to use
* subtests in our negative tests, to ensure we actually execute all
* the subtests. But we can't begin a subtest within a subtest, and
* we inherit the state from the parent, so ...
*/
test_to_run = test_cmpint_negative;
ret = do_fork();
igt_subtest("igt_cmpint_negative")
internal_assert(ret == IGT_EXIT_FAILURE);
igt_subtest("igt_assert_fd")
test_fd();
test_to_run = test_fd_negative;
ret = do_fork();
igt_subtest("igt_assert_fd_negative")
internal_assert(ret == IGT_EXIT_FAILURE);
}
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