chiark / gitweb /
shared: add MAXSIZE() and use it in resolved
[elogind.git] / src / test / test-util.c
index a8fa48aed2ece5563b101586cc9bf6d62f625963..34d5f2ed7d235be3510ca49c66eaccc1f9197195 100644 (file)
@@ -27,6 +27,7 @@
 #include <errno.h>
 #include <signal.h>
 #include <math.h>
+#include <sys/wait.h>
 
 #include "util.h"
 #include "mkdir.h"
@@ -84,12 +85,15 @@ static void test_max(void) {
         /* CONST_MAX returns (void) instead of a value if the passed arguments
          * are not of the same type or not constant expressions. */
         assert_cc(__builtin_types_compatible_p(typeof(CONST_MAX(1, 10)), int));
-        assert_cc(__builtin_types_compatible_p(typeof(CONST_MAX(d, 10)), void));
         assert_cc(__builtin_types_compatible_p(typeof(CONST_MAX(1, 1U)), void));
 
         assert_se(val1.a == 100);
         assert_se(MAX(++d, 0) == 1);
         assert_se(d == 1);
+
+        assert_cc(MAXSIZE(char[3], uint16_t) == 3);
+        assert_cc(MAXSIZE(char[3], uint32_t) == 4);
+        assert_cc(MAXSIZE(char, long) == sizeof(long));
 }
 
 static void test_first_word(void) {
@@ -943,6 +947,270 @@ static void test_strappenda(void) {
         assert_se(streq(actual, "foobarbaz"));
 }
 
+static void test_is_symlink(void) {
+        char name[] = "/tmp/test-is_symlink.XXXXXX";
+        char name_link[] = "/tmp/test-is_symlink.link";
+        _cleanup_close_ int fd = -1;
+
+        fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+        assert_se(fd >= 0);
+        assert_se(symlink(name, name_link) >= 0);
+
+        assert_se(is_symlink(name) == 0);
+        assert_se(is_symlink(name_link) == 1);
+        assert_se(is_symlink("/a/file/which/does/not/exist/i/guess") < 0);
+
+
+        unlink(name);
+        unlink(name_link);
+}
+
+static void test_pid_is_unwaited(void) {
+        pid_t pid;
+
+        pid = fork();
+        assert_se(pid >= 0);
+        if (pid == 0) {
+                _exit(EXIT_SUCCESS);
+        } else {
+                int status;
+
+                waitpid(pid, &status, 0);
+                assert_se(!pid_is_unwaited(pid));
+        }
+        assert_se(pid_is_unwaited(getpid()));
+        assert_se(!pid_is_unwaited(-1));
+}
+
+static void test_pid_is_alive(void) {
+        pid_t pid;
+
+        pid = fork();
+        assert_se(pid >= 0);
+        if (pid == 0) {
+                _exit(EXIT_SUCCESS);
+        } else {
+                int status;
+
+                waitpid(pid, &status, 0);
+                assert_se(!pid_is_alive(pid));
+        }
+        assert_se(pid_is_alive(getpid()));
+        assert_se(!pid_is_alive(-1));
+}
+
+static void test_search_and_fopen(void) {
+        const char *dirs[] = {"/tmp/foo/bar", "/tmp", NULL};
+        char name[] = "/tmp/test-search_and_fopen.XXXXXX";
+        int fd = -1;
+        int r;
+        FILE *f;
+
+        fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+        assert_se(fd >= 0);
+        close(fd);
+
+        r = search_and_fopen(basename(name), "r", NULL, dirs, &f);
+        assert_se(r >= 0);
+        fclose(f);
+
+        r = search_and_fopen(name, "r", NULL, dirs, &f);
+        assert_se(r >= 0);
+        fclose(f);
+
+        r = search_and_fopen(basename(name), "r", "/", dirs, &f);
+        assert_se(r >= 0);
+        fclose(f);
+
+        r = search_and_fopen("/a/file/which/does/not/exist/i/guess", "r", NULL, dirs, &f);
+        assert_se(r < 0);
+        r = search_and_fopen("afilewhichdoesnotexistiguess", "r", NULL, dirs, &f);
+        assert_se(r < 0);
+
+        r = unlink(name);
+        assert_se(r == 0);
+
+        r = search_and_fopen(basename(name), "r", NULL, dirs, &f);
+        assert_se(r < 0);
+}
+
+
+static void test_search_and_fopen_nulstr(void) {
+        const char dirs[] = "/tmp/foo/bar\0/tmp\0";
+        char name[] = "/tmp/test-search_and_fopen.XXXXXX";
+        int fd = -1;
+        int r;
+        FILE *f;
+
+        fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+        assert_se(fd >= 0);
+        close(fd);
+
+        r = search_and_fopen_nulstr(basename(name), "r", NULL, dirs, &f);
+        assert_se(r >= 0);
+        fclose(f);
+
+        r = search_and_fopen_nulstr(name, "r", NULL, dirs, &f);
+        assert_se(r >= 0);
+        fclose(f);
+
+        r = search_and_fopen_nulstr("/a/file/which/does/not/exist/i/guess", "r", NULL, dirs, &f);
+        assert_se(r < 0);
+        r = search_and_fopen_nulstr("afilewhichdoesnotexistiguess", "r", NULL, dirs, &f);
+        assert_se(r < 0);
+
+        r = unlink(name);
+        assert_se(r == 0);
+
+        r = search_and_fopen_nulstr(basename(name), "r", NULL, dirs, &f);
+        assert_se(r < 0);
+}
+
+static void test_glob_exists(void) {
+        char name[] = "/tmp/test-glob_exists.XXXXXX";
+        int fd = -1;
+        int r;
+
+        fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+        assert_se(fd >= 0);
+        close(fd);
+
+        r = glob_exists("/tmp/test-glob_exists*");
+        assert_se(r == 1);
+
+        r = unlink(name);
+        assert_se(r == 0);
+        r = glob_exists("/tmp/test-glob_exists*");
+        assert_se(r == 0);
+}
+
+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);
+        assert_se(chmod(name, 0755) == 0);
+        assert_se(chmod(name2, 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);
+
+        rm_rf_dangerous(tempdir, false, true, false);
+}
+
+static void test_unquote_first_word(void) {
+        const char *p, *original;
+        char *t;
+
+        p = original = "foobar waldo";
+        assert_se(unquote_first_word(&p, &t) > 0);
+        assert_se(streq(t, "foobar"));
+        free(t);
+        assert_se(p == original + 7);
+
+        assert_se(unquote_first_word(&p, &t) > 0);
+        assert_se(streq(t, "waldo"));
+        free(t);
+        assert_se(p == original + 12);
+
+        assert_se(unquote_first_word(&p, &t) == 0);
+        assert_se(!t);
+        assert_se(p == original + 12);
+
+        p = original = "\"foobar\" \'waldo\'";
+        assert_se(unquote_first_word(&p, &t) > 0);
+        assert_se(streq(t, "foobar"));
+        free(t);
+        assert_se(p == original + 9);
+
+        assert_se(unquote_first_word(&p, &t) > 0);
+        assert_se(streq(t, "waldo"));
+        free(t);
+        assert_se(p == original + 16);
+
+        assert_se(unquote_first_word(&p, &t) == 0);
+        assert_se(!t);
+        assert_se(p == original + 16);
+
+        p = original = "\"";
+        assert_se(unquote_first_word(&p, &t) == -EINVAL);
+        assert_se(p == original + 1);
+
+        p = original = "\'";
+        assert_se(unquote_first_word(&p, &t) == -EINVAL);
+        assert_se(p == original + 1);
+
+        p = original = "yay\'foo\'bar";
+        assert_se(unquote_first_word(&p, &t) > 0);
+        assert_se(streq(t, "yayfoobar"));
+        free(t);
+        assert_se(p == original + 11);
+
+        p = original = "   foobar   ";
+        assert_se(unquote_first_word(&p, &t) > 0);
+        assert_se(streq(t, "foobar"));
+        free(t);
+        assert_se(p == original + 12);
+}
+
+static void test_unquote_many_words(void) {
+        const char *p, *original;
+        char *a, *b, *c;
+
+        p = original = "foobar waldi piep";
+        assert_se(unquote_many_words(&p, &a, &b, &c, NULL) == 3);
+        assert_se(p == original + 17);
+        assert_se(streq_ptr(a, "foobar"));
+        assert_se(streq_ptr(b, "waldi"));
+        assert_se(streq_ptr(c, "piep"));
+        free(a);
+        free(b);
+        free(c);
+
+        p = original = "'foobar' wa\"ld\"i   ";
+        assert_se(unquote_many_words(&p, &a, &b, &c, NULL) == 2);
+        assert_se(p == original + 19);
+        assert_se(streq_ptr(a, "foobar"));
+        assert_se(streq_ptr(b, "waldi"));
+        assert_se(streq_ptr(c, NULL));
+        free(a);
+        free(b);
+
+        p = original = "";
+        assert_se(unquote_many_words(&p, &a, &b, &c, NULL) == 0);
+        assert_se(p == original);
+        assert_se(streq_ptr(a, NULL));
+        assert_se(streq_ptr(b, NULL));
+        assert_se(streq_ptr(c, NULL));
+
+        p = original = "  ";
+        assert_se(unquote_many_words(&p, &a, &b, &c, NULL) == 0);
+        assert_se(p == original+2);
+        assert_se(streq_ptr(a, NULL));
+        assert_se(streq_ptr(b, NULL));
+        assert_se(streq_ptr(c, NULL));
+
+        p = original = "foobar";
+        assert_se(unquote_many_words(&p, NULL) == 0);
+        assert_se(p == original);
+
+        p = original = "foobar waldi";
+        assert_se(unquote_many_words(&p, &a, NULL) == 1);
+        assert_se(p == original+7);
+        assert_se(streq_ptr(a, "foobar"));
+
+        p = original = "     foobar    ";
+        assert_se(unquote_many_words(&p, &a, NULL) == 1);
+        assert_se(p == original+15);
+        assert_se(streq_ptr(a, "foobar"));
+}
+
 int main(int argc, char *argv[]) {
         log_parse_environment();
         log_open();
@@ -1003,6 +1271,15 @@ int main(int argc, char *argv[]) {
         test_ignore_signals();
         test_strshorten();
         test_strappenda();
+        test_is_symlink();
+        test_pid_is_unwaited();
+        test_pid_is_alive();
+        test_search_and_fopen();
+        test_search_and_fopen_nulstr();
+        test_glob_exists();
+        test_execute_directory();
+        test_unquote_first_word();
+        test_unquote_many_words();
 
         return 0;
 }