1 files changed, 92 insertions, 0 deletions
diff --git a/tests/test71.c b/tests/test71.c
new file mode 100644
index 000000000..8cda49935
--- /dev/null
+++ b/tests/test71.c
@@ -0,0 +1,92 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include "utlist.h"
+
+typedef struct el {
+    int id;
+    struct el *next, *prev;
+} el;
+
+int main()
+{
+    int i;
+    el els[26], *e, *tmp;
+    el *headA = NULL;
+    el *headB = NULL;
+    for(i=0; i<25; i++) {
+        els[i].id=(int)'a'+i;
+    }
+
+    /* test LL macros */
+    printf("LL prepend elem\n");
+    LL_APPEND(headA,&els[0]);
+    LL_APPEND(headA,&els[1]);
+    LL_APPEND(headA,&els[2]);
+    LL_APPEND(headA,&els[3]);
+    LL_FOREACH(headA,e) {
+        printf("%c ", e->id);
+    }
+    printf("\n");
+
+    /* prepend head elem */
+    LL_PREPEND_ELEM(headA, &els[0], &els[4]);
+    LL_FOREACH(headA,e) {
+        printf("%c ", e->id);
+    }
+    printf("\n");
+    LL_PREPEND_ELEM(headA, &els[4], &els[5]);
+    LL_FOREACH(headA,e) {
+        printf("%c ", e->id);
+    }
+    printf("\n");
+
+    /* prepend last elem */
+    LL_PREPEND_ELEM(headA, &els[3], &els[6]);
+    LL_FOREACH(headA,e) {
+        printf("%c ", e->id);
+    }
+    printf("\n");
+    LL_PREPEND_ELEM(headA, &els[6], &els[7]);
+    LL_FOREACH(headA,e) {
+        printf("%c ", e->id);
+    }
+    printf("\n");
+
+    /* prepend middle elem */
+    LL_PREPEND_ELEM(headA, &els[2], &els[8]);
+    LL_PREPEND_ELEM(headA, &els[2], &els[9]);
+    LL_FOREACH(headA,e) {
+        printf("%c ", e->id);
+    }
+    printf("\n");
+
+    /* prepend all just to be sure the list is intact... */
+    i = 10;
+    LL_FOREACH_SAFE(headA, e, tmp) {
+        LL_PREPEND_ELEM(headA, e, &els[i]);
+        i++;
+    }
+    LL_FOREACH(headA,e) {
+        printf("%c ", e->id);
+    }
+    printf("\n");
+
+    /* single elem */
+    LL_APPEND(headB, &els[20]);
+    LL_FOREACH(headB,e) {
+        printf("%c ", e->id);
+    }
+    printf("\n");
+    LL_PREPEND_ELEM(headB, &els[20], &els[21]);
+    LL_FOREACH(headB,e) {
+        printf("%c ", e->id);
+    }
+    printf("\n");
+    LL_PREPEND_ELEM(headB, &els[21], &els[22]);
+    LL_FOREACH(headB,e) {
+        printf("%c ", e->id);
+    }
+    printf("\n");
+
+    return 0;
+}