assert_se(!memcmp(t, zero, 997));
}
+static void test_div_round_up(void) {
+ int div;
+
+ /* basic tests */
+ assert_se(DIV_ROUND_UP(0, 8) == 0);
+ assert_se(DIV_ROUND_UP(1, 8) == 1);
+ assert_se(DIV_ROUND_UP(8, 8) == 1);
+ assert_se(DIV_ROUND_UP(12, 8) == 2);
+ assert_se(DIV_ROUND_UP(16, 8) == 2);
+
+ /* test multiple evaluation */
+ div = 0;
+ assert_se(DIV_ROUND_UP(div++, 8) == 0 && div == 1);
+ assert_se(DIV_ROUND_UP(++div, 8) == 1 && div == 2);
+ assert_se(DIV_ROUND_UP(8, div++) == 4 && div == 3);
+ assert_se(DIV_ROUND_UP(8, ++div) == 2 && div == 4);
+
+ /* overflow test with exact division */
+ assert_se(sizeof(0U) == 4);
+ assert_se(0xfffffffaU % 10U == 0U);
+ assert_se(0xfffffffaU / 10U == 429496729U);
+ assert_se(DIV_ROUND_UP(0xfffffffaU, 10U) == 429496729U);
+ assert_se((0xfffffffaU + 10U - 1U) / 10U == 0U);
+ assert_se(0xfffffffaU / 10U + !!(0xfffffffaU % 10U) == 429496729U);
+
+ /* overflow test with rounded division */
+ assert_se(0xfffffffdU % 10U == 3U);
+ assert_se(0xfffffffdU / 10U == 429496729U);
+ assert_se(DIV_ROUND_UP(0xfffffffdU, 10U) == 429496730U);
+ assert_se((0xfffffffdU + 10U - 1U) / 10U == 0U);
+ assert_se(0xfffffffdU / 10U + !!(0xfffffffdU % 10U) == 429496730U);
+}
+
static void test_first_word(void) {
assert_se(first_word("Hello", ""));
assert_se(first_word("Hello", "Hello"));
}
static void test_execute_directory(void) {
- char name[] = "/tmp/test-execute_directory/script1";
- char name2[] = "/tmp/test-execute_directory/script2";
- char name3[] = "/tmp/test-execute_directory/useless";
- char tempdir[] = "/tmp/test-execute_directory/";
-
- assert_se(mkdir_safe(tempdir, 0755, getuid(), getgid()) >= 0);
- assert_se(write_string_file(name, "#!/bin/sh\necho 'Executing '$0\ntouch /tmp/test-execute_directory/it_works") == 0);
- assert_se(write_string_file(name2, "#!/bin/sh\necho 'Executing '$0\ntouch /tmp/test-execute_directory/it_works2") == 0);
+ char template_lo[] = "/tmp/test-readlink_and_make_absolute-lo.XXXXXXX";
+ char template_hi[] = "/tmp/test-readlink_and_make_absolute-hi.XXXXXXX";
+ const char const* dirs[] = {template_hi, template_lo, NULL};
+ const char *name, *name2, *name3, *overridden, *override, *masked, *mask;
+
+ assert_se(mkdtemp(template_lo));
+ assert_se(mkdtemp(template_hi));
+
+ name = strappenda(template_lo, "/script");
+ name2 = strappenda(template_hi, "/script2");
+ name3 = strappenda(template_lo, "/useless");
+ overridden = strappenda(template_lo, "/overridden");
+ override = strappenda(template_hi, "/overridden");
+ masked = strappenda(template_lo, "/masked");
+ mask = strappenda(template_hi, "/masked");
+
+ assert_se(write_string_file(name, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works") == 0);
+ assert_se(write_string_file(name2, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works2") == 0);
+ assert_se(write_string_file(overridden, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed") == 0);
+ assert_se(write_string_file(override, "#!/bin/sh\necho 'Executing '$0") == 0);
+ assert_se(write_string_file(masked, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/failed") == 0);
+ assert_se(symlink("/dev/null", mask) == 0);
assert_se(chmod(name, 0755) == 0);
assert_se(chmod(name2, 0755) == 0);
+ assert_se(chmod(overridden, 0755) == 0);
+ assert_se(chmod(override, 0755) == 0);
+ assert_se(chmod(masked, 0755) == 0);
assert_se(touch(name3) >= 0);
- execute_directory(tempdir, NULL, DEFAULT_TIMEOUT_USEC, NULL);
- assert_se(access("/tmp/test-execute_directory/it_works", F_OK) >= 0);
- assert_se(access("/tmp/test-execute_directory/it_works2", F_OK) >= 0);
+ execute_directories(dirs, DEFAULT_TIMEOUT_USEC, NULL);
+
+ assert(chdir(template_lo) == 0);
+ assert_se(access("it_works", F_OK) >= 0);
+ assert_se(access("failed", F_OK) < 0);
+
+ assert(chdir(template_hi) == 0);
+ assert_se(access("it_works2", F_OK) >= 0);
+ assert_se(access("failed", F_OK) < 0);
- rm_rf_dangerous(tempdir, false, true, false);
+ rm_rf_dangerous(template_lo, false, true, false);
+ rm_rf_dangerous(template_hi, false, true, false);
}
static void test_unquote_first_word(void) {
pid2 = raw_getpid();
log_info("raw_clone: "PID_FMT" getpid()→"PID_FMT" raw_getpid()→"PID_FMT,
pid, getpid(), pid2);
- if (pid == 0)
+ if (pid == 0) {
assert_se(pid2 != parent);
- else
+ _exit(EXIT_SUCCESS);
+ } else {
+ int status;
+
assert_se(pid2 == parent);
+ waitpid(pid, &status, __WCLONE);
+ assert_se(WIFEXITED(status) && WEXITSTATUS(status) == EXIT_SUCCESS);
+ }
+}
+
+static void test_same_fd(void) {
+ _cleanup_close_pair_ int p[2] = { -1, -1 };
+ _cleanup_close_ int a = -1, b = -1, c = -1;
+
+ assert_se(pipe2(p, O_CLOEXEC) >= 0);
+ assert_se((a = dup(p[0])) >= 0);
+ assert_se((b = open("/dev/null", O_RDONLY|O_CLOEXEC)) >= 0);
+ assert_se((c = dup(a)) >= 0);
+
+ assert_se(same_fd(p[0], p[0]) > 0);
+ assert_se(same_fd(p[1], p[1]) > 0);
+ assert_se(same_fd(a, a) > 0);
+ assert_se(same_fd(b, b) > 0);
+
+ assert_se(same_fd(a, p[0]) > 0);
+ assert_se(same_fd(p[0], a) > 0);
+ assert_se(same_fd(c, p[0]) > 0);
+ assert_se(same_fd(p[0], c) > 0);
+ assert_se(same_fd(a, c) > 0);
+ assert_se(same_fd(c, a) > 0);
+
+ assert_se(same_fd(p[0], p[1]) == 0);
+ assert_se(same_fd(p[1], p[0]) == 0);
+ assert_se(same_fd(p[0], b) == 0);
+ assert_se(same_fd(b, p[0]) == 0);
+ assert_se(same_fd(p[1], a) == 0);
+ assert_se(same_fd(a, p[1]) == 0);
+ assert_se(same_fd(p[1], b) == 0);
+ assert_se(same_fd(b, p[1]) == 0);
+
+ assert_se(same_fd(a, b) == 0);
+ assert_se(same_fd(b, a) == 0);
+}
+
+static void test_uid_ptr(void) {
+
+ assert_se(UID_TO_PTR(0) != NULL);
+ assert_se(UID_TO_PTR(1000) != NULL);
+
+ assert_se(PTR_TO_UID(UID_TO_PTR(0)) == 0);
+ assert_se(PTR_TO_UID(UID_TO_PTR(1000)) == 1000);
}
int main(int argc, char *argv[]) {
test_max();
test_container_of();
test_alloca();
+ test_div_round_up();
test_first_word();
test_close_many();
test_parse_boolean();
test_unquote_many_words();
test_parse_proc_cmdline();
test_raw_clone();
+ test_same_fd();
+ test_uid_ptr();
return 0;
}
~ianmdlvl / elogind.git / blobdiff