test-fileio: Remove dead check

[elogind.git] / src / test / test-util.c

diff --git a/src/test/test-util.c b/src/test/test-util.c
index ac1afce86b922b3c090cb0dd25696a1ea7041330..1311184815e31d082fafe599acfec0a700feaf68 100644 (file)
--- a/src/test/test-util.c
+++ b/src/test/test-util.c
@@ -90,6 +90,58 @@ static void test_max(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));
+
+        assert_se(MAX(-5, 5) == 5);
+        assert_se(MAX(5, 5) == 5);
+        assert_se(MAX(MAX(1, MAX(2, MAX(3, 4))), 5) == 5);
+        assert_se(MAX(MAX(1, MAX(2, MAX(3, 2))), 1) == 3);
+        assert_se(MAX(MIN(1, MIN(2, MIN(3, 4))), 5) == 5);
+        assert_se(MAX(MAX(1, MIN(2, MIN(3, 2))), 1) == 2);
+        assert_se(LESS_BY(8, 4) == 4);
+        assert_se(LESS_BY(8, 8) == 0);
+        assert_se(LESS_BY(4, 8) == 0);
+        assert_se(LESS_BY(16, LESS_BY(8, 4)) == 12);
+        assert_se(LESS_BY(4, LESS_BY(8, 4)) == 0);
+        assert_se(CLAMP(-5, 0, 1) == 0);
+        assert_se(CLAMP(5, 0, 1) == 1);
+        assert_se(CLAMP(5, -10, 1) == 1);
+        assert_se(CLAMP(5, -10, 10) == 5);
+        assert_se(CLAMP(CLAMP(0, -10, 10), CLAMP(-5, 10, 20), CLAMP(100, -5, 20)) == 10);
+}
+
+static void test_container_of(void) {
+        struct mytype {
+                uint8_t pad1[3];
+                uint64_t v1;
+                uint8_t pad2[2];
+                uint32_t v2;
+        } _packed_ myval = { };
+
+        assert_cc(sizeof(myval) == 17);
+        assert_se(container_of(&myval.v1, struct mytype, v1) == &myval);
+        assert_se(container_of(&myval.v2, struct mytype, v2) == &myval);
+        assert_se(container_of(&container_of(&myval.v2,
+                                             struct mytype,
+                                             v2)->v1,
+                               struct mytype,
+                               v1) == &myval);
+}
+
+static void test_alloca(void) {
+        static const uint8_t zero[997] = { };
+        char *t;
+
+        t = alloca_align(17, 512);
+        assert_se(!((uintptr_t)t & 0xff));
+        memzero(t, 17);
+
+        t = alloca0_align(997, 1024);
+        assert_se(!((uintptr_t)t & 0x1ff));
+        assert_se(!memcmp(t, zero, 997));
 }
 
 static void test_first_word(void) {
@@ -804,11 +856,27 @@ static void test_is_valid_documentation_url(void) {
 }
 
 static void test_file_in_same_dir(void) {
-        assert_se(streq(file_in_same_dir("/", "a"), "/a"));
-        assert_se(streq(file_in_same_dir("/", "/a"), "/a"));
-        assert_se(streq(file_in_same_dir("", "a"), "a"));
-        assert_se(streq(file_in_same_dir("a/", "a"), "a/a"));
-        assert_se(streq(file_in_same_dir("bar/foo", "bar"), "bar/bar"));
+        char *t;
+
+        t = file_in_same_dir("/", "a");
+        assert_se(streq(t, "/a"));
+        free(t);
+
+        t = file_in_same_dir("/", "/a");
+        assert_se(streq(t, "/a"));
+        free(t);
+
+        t = file_in_same_dir("", "a");
+        assert_se(streq(t, "a"));
+        free(t);
+
+        t = file_in_same_dir("a/", "a");
+        assert_se(streq(t, "a/a"));
+        free(t);
+
+        t = file_in_same_dir("bar/foo", "bar");
+        assert_se(streq(t, "bar/bar"));
+        free(t);
 }
 
 static void test_endswith(void) {
@@ -859,7 +927,7 @@ static void test_readlink_and_make_absolute(void) {
         char name_alias[] = "/tmp/test-readlink_and_make_absolute-alias";
         char *r = NULL;
 
-        assert(mkdir_safe(tempdir, 0755, getuid(), getgid()) >= 0);
+        assert_se(mkdir_safe(tempdir, 0755, getuid(), getgid()) >= 0);
         assert_se(touch(name) >= 0);
 
         assert_se(symlink(name, name_alias) >= 0);
@@ -879,11 +947,11 @@ static void test_readlink_and_make_absolute(void) {
 }
 
 static void test_read_one_char(void) {
+        _cleanup_fclose_ FILE *file = NULL;
         char r;
         bool need_nl;
         char name[] = "/tmp/test-read_one_char.XXXXXX";
-        _cleanup_close_ int fd = -1;
-        FILE *file;
+        int fd;
 
         fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
         assert_se(fd >= 0);
@@ -1200,11 +1268,13 @@ static void test_unquote_many_words(void) {
         assert_se(unquote_many_words(&p, &a, NULL) == 1);
         assert_se(p == original+7);
         assert_se(streq_ptr(a, "foobar"));
+        free(a);
 
         p = original = "     foobar    ";
         assert_se(unquote_many_words(&p, &a, NULL) == 1);
         assert_se(p == original+15);
         assert_se(streq_ptr(a, "foobar"));
+        free(a);
 }
 
 int main(int argc, char *argv[]) {
@@ -1214,6 +1284,8 @@ int main(int argc, char *argv[]) {
         test_streq_ptr();
         test_align_power2();
         test_max();
+        test_container_of();
+        test_alloca();
         test_first_word();
         test_close_many();
         test_parse_boolean();