test: rename some stuff; separate cron part tests

test/cron/test_parse.c

@@ -1,7 +1,7 @@
 #include "acutest.h"
 #include "vieter_cron.h"
 
-void test_not_allowed() {
+void test_illegal_expressions() {
     char *expressions[] = {
         "4 *-7",
         "4 *-7/4",
@@ -33,6 +33,6 @@ void test_not_allowed() {
 }
 
 TEST_LIST = {
-    {"not_allowed", test_not_allowed},
+    {"cron illegal expressions", test_illegal_expressions},
     {NULL, NULL}
 };

test/cron/test_parse_part.c

@@ -0,0 +1,43 @@
+#include "acutest.h"
+#include "vieter_cron_parse.h"
+
+struct parse_test {
+    char *part;
+    uint8_t min;
+    uint8_t max;
+};
+
+void test_illegal_parts() {
+    struct parse_test parts[] = {
+        { "*-7", 0, 23 },
+        { "*-7/4", 0, 23 },
+        { "7/*", 0, 23 },
+        { "/5", 0, 23 },
+        { "4~6", 0, 23 },
+        { "5/2-5", 0, 23 },
+        { "1/2/3", 0, 23 },
+        { "*5", 0, 59 },
+        { "x", 0, 59 },
+        { NULL, 0, 0 }
+    };
+
+    int i = 0;
+    uint64_t out;
+    char *s;
+
+    while (parts[i].part != NULL) {
+        // Function modifies string in-place
+        s = strdup(parts[i].part);
+
+        TEST_CHECK_(vieter_cron_expr_parse_part(&out, s, parts[i].min, parts[i].max) != vieter_cron_parse_ok, "%s (%i - %i)", parts[i].part, parts[i].min, parts[i].max);
+
+        free(s);
+
+        i++;
+    }
+}
+
+TEST_LIST = {
+    {"cron illegal parts", test_illegal_parts},
+    {NULL, NULL}
+};