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#include <test.h>
#include <compiler.h>
#include <process_lib.h>
#include <process_unix_priv.h>
/* Stubs for /proc/<pid>/stat. */
static const char *filecontents[2] = {
"1 (i()))))))-:!#!#@)) S 1 3927 3927 1025 3927 4202752 359 0 2 0 0 0 0 0 20 0 1 0 65535 19234816 226 18446744073709551615 1 1 0 0 0 0 0 6 0 18446744073709551615 0 0 17 2 0 0 40 0 0",
"3929 (getty) T 1 3929 3929 1027 3929 4202752 359 0 1 0 0 0 0 0 20 0 1 0 100000 19234816 225 18446744073709551615 1 1 0 0 0 0 0 6 0 18446744073709551615 0 0 17 0 0 0 42 0 0",
};
static int filepos[2];
int open(const char *filename, ARG_UNUSED int flags, ...)
{
if (!strcmp(filename, "/proc/1/stat"))
{
filepos[0] = 0;
return 0;
}
else if (!strcmp(filename, "/proc/2/stat"))
{
filepos[1] = 0;
static int got_intr = false;
if (!got_intr)
{
got_intr = true;
errno = EINTR;
return -1;
}
return 1;
}
else if (!strcmp(filename, "/proc/666/stat"))
{
errno = EACCES;
return -1;
}
else
{
errno = ENOENT;
return -1;
}
}
ssize_t read(int fd, void *buffer, ARG_UNUSED size_t buf_size)
{
if (fd == 0)
{
if (filepos[0] < strlen(filecontents[0]))
{
memcpy(buffer, filecontents[0], strlen(filecontents[0]));
filepos[0] = strlen(filecontents[0]);
return strlen(filecontents[0]);
}
else
{
return 0;
}
}
if (fd == 1)
{
static bool got_eintr = false;
if (!got_eintr)
{
got_eintr = true;
errno = EINTR;
return -1;
}
else
{
got_eintr = false;
}
if (filepos[1] < strlen(filecontents[1]))
{
memcpy(buffer, filecontents[1] + filepos[1], 1);
filepos[1]++;
return 1;
}
else
{
return 0;
}
}
errno = EIO;
return -1;
}
int close(ARG_UNUSED int fd)
{
return 0;
}
static void test_get_start_time_process1(void)
{
time_t t = GetProcessStartTime(1);
assert_int_equal(t, 65535 / sysconf(_SC_CLK_TCK));
}
static void test_get_start_time_process2(void)
{
time_t t2 = GetProcessStartTime(2);
assert_int_equal(t2, 100000 / sysconf(_SC_CLK_TCK));
}
static void test_get_start_time_process3(void)
{
time_t t3 = GetProcessStartTime(3);
assert_int_equal(t3, PROCESS_START_TIME_UNKNOWN);
}
static void test_get_start_time_process666(void)
{
time_t t4 = GetProcessStartTime(666);
assert_int_equal(t4, PROCESS_START_TIME_UNKNOWN);
}
static void test_get_state_process1(void)
{
ProcessState s = GetProcessState(1);
assert_int_equal(s, PROCESS_STATE_RUNNING);
}
static void test_get_state_process2(void)
{
ProcessState s = GetProcessState(2);
assert_int_equal(s, PROCESS_STATE_STOPPED);
}
static void test_get_state_process3(void)
{
ProcessState s = GetProcessState(3);
assert_int_equal(s, PROCESS_STATE_DOES_NOT_EXIST);
}
static void test_get_state_process666(void)
{
ProcessState s = GetProcessState(666);
assert_int_equal(s, PROCESS_STATE_DOES_NOT_EXIST);
}
int main()
{
PRINT_TEST_BANNER();
const UnitTest tests[] =
{
unit_test(test_get_start_time_process1),
unit_test(test_get_start_time_process2),
unit_test(test_get_start_time_process3),
unit_test(test_get_start_time_process666),
unit_test(test_get_state_process1),
unit_test(test_get_state_process2),
unit_test(test_get_state_process3),
unit_test(test_get_state_process666),
};
return run_tests(tests);
}
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