+static void test_shift_path_one(const char *raw, const char *root, const char *shifted) {
+ const char *s = NULL;
+
+ assert_se(cg_shift_path(raw, root, &s) >= 0);
+ assert_se(streq(s, shifted));
+}
+
+static void test_shift_path(void) {
+
+ test_shift_path_one("/foobar/waldo", "/", "/foobar/waldo");
+ test_shift_path_one("/foobar/waldo", "", "/foobar/waldo");
+ test_shift_path_one("/foobar/waldo", "/foobar", "/waldo");
+ test_shift_path_one("/foobar/waldo", "/fuckfuck", "/foobar/waldo");
+}
+