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test: test-process-util additions

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Add some extra paranoia tests that PTR_TO_PID() and PID_TO_PTR() deals
correctly with negative PID.
This commit is contained in:
Lennart Poettering 2018-01-11 16:02:47 +01:00
parent bc2fcf7f7a
commit eb5eb254dd
1 changed files with 20 additions and 0 deletions
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20
src/test/test-process-util.c
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@ -520,6 +520,25 @@ static void test_safe_fork(void) {
assert_se(status.si_status == 88);
}
static void test_pid_to_ptr(void) {
assert_se(PTR_TO_PID(NULL) == 0);
assert_se(PID_TO_PTR(0) == NULL);
assert_se(PTR_TO_PID(PID_TO_PTR(1)) == 1);
assert_se(PTR_TO_PID(PID_TO_PTR(2)) == 2);
assert_se(PTR_TO_PID(PID_TO_PTR(-1)) == -1);
assert_se(PTR_TO_PID(PID_TO_PTR(-2)) == -2);
assert_se(PTR_TO_PID(PID_TO_PTR(INT16_MAX)) == INT16_MAX);
assert_se(PTR_TO_PID(PID_TO_PTR(INT16_MIN)) == INT16_MIN);
#if SIZEOF_PID_T >= 4
assert_se(PTR_TO_PID(PID_TO_PTR(INT32_MAX)) == INT32_MAX);
assert_se(PTR_TO_PID(PID_TO_PTR(INT32_MIN)) == INT32_MIN);
#endif
}
int main(int argc, char *argv[]) {
log_set_max_level(LOG_DEBUG);
@ -547,6 +566,7 @@ int main(int argc, char *argv[]) {
test_getpid_cached();
test_getpid_measure();
test_safe_fork();
test_pid_to_ptr();
return 0;
}