util: add hexdump() call to create pretty hexdumps of data

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

diff --git a/src/test/test-util.c b/src/test/test-util.c
index 74f83a2629e84a4febb26db8c1fcdc7a66937455..6297182e0bdb714c54b3e16ca4e244cc7cc319c4 100644 (file)
--- a/src/test/test-util.c
+++ b/src/test/test-util.c
@@ -460,21 +460,32 @@ static void test_parse_size(void) {
         assert_se(parse_size("3.0 K", 1024, &bytes) == 0);
         assert_se(bytes == 3*1024);
 
-        assert_se(parse_size("3. 0 K", 1024, &bytes) == 0);
-        assert_se(bytes == 3);
+        assert_se(parse_size("3. 0 K", 1024, &bytes) == -EINVAL);
 
         assert_se(parse_size(" 4 M 11.5K", 1024, &bytes) == 0);
         assert_se(bytes == 4*1024*1024 + 11 * 1024 + 512);
 
-        assert_se(parse_size("3B3.5G", 1024, &bytes) == 0);
+        assert_se(parse_size("3B3.5G", 1024, &bytes) == -EINVAL);
+
+        assert_se(parse_size("3.5G3B", 1024, &bytes) == 0);
         assert_se(bytes == 3ULL*1024*1024*1024 + 512*1024*1024 + 3);
 
-        assert_se(parse_size("3B3G4T", 1024, &bytes) == 0);
+        assert_se(parse_size("3.5G 4B", 1024, &bytes) == 0);
+        assert_se(bytes == 3ULL*1024*1024*1024 + 512*1024*1024 + 4);
+
+        assert_se(parse_size("3B3G4T", 1024, &bytes) == -EINVAL);
+
+        assert_se(parse_size("4T3G3B", 1024, &bytes) == 0);
+        assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3);
+
+        assert_se(parse_size(" 4 T 3 G 3 B", 1024, &bytes) == 0);
         assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3);
 
         assert_se(parse_size("12P", 1024, &bytes) == 0);
         assert_se(bytes == 12ULL * 1024*1024*1024*1024*1024);
 
+        assert_se(parse_size("12P12P", 1024, &bytes) == -EINVAL);
+
         assert_se(parse_size("3E 2P", 1024, &bytes) == 0);
         assert_se(bytes == (3 * 1024 + 2ULL) * 1024*1024*1024*1024*1024);
 
@@ -563,7 +574,6 @@ static void test_fstab_node_to_udev_node(void) {
         assert_se(streq(n, "/dev/disk/by-partuuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
         free(n);
 
-
         n = fstab_node_to_udev_node("PONIES=awesome");
         puts(n);
         assert_se(streq(n, "PONIES=awesome"));
@@ -616,6 +626,25 @@ static void test_writing_tmpfile(void) {
         assert(streq(contents, "abc\n" ALPHANUMERICAL "\n"));
 }
 
+static void test_hexdump(void) {
+        uint8_t data[146];
+        unsigned i;
+
+        hexdump(stdout, NULL, 0);
+        hexdump(stdout, "", 0);
+        hexdump(stdout, "", 1);
+        hexdump(stdout, "x", 1);
+        hexdump(stdout, "x", 2);
+        hexdump(stdout, "foobar", 7);
+        hexdump(stdout, "f\nobar", 7);
+        hexdump(stdout, "xxxxxxxxxxxxxxxxxxxxyz", 23);
+
+        for (i = 0; i < ELEMENTSOF(data); i++)
+                data[i] = i*2;
+
+        hexdump(stdout, data, sizeof(data));
+}
+
 int main(int argc, char *argv[]) {
         log_parse_environment();
         log_open();
@@ -657,6 +686,7 @@ int main(int argc, char *argv[]) {
         test_get_files_in_directory();
         test_in_set();
         test_writing_tmpfile();
+        test_hexdump();
 
         return 0;
 }