1 files changed, 54 insertions, 0 deletions
diff --git a/tests/test91.c b/tests/test91.c
new file mode 100644
index 000000000..8c8f63e48
--- /dev/null
+++ b/tests/test91.c
@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include "utlist.h"
+
+typedef struct el {
+    int id, score;
+    struct el *next, *prev;
+} el;
+
+static int order_desc(el *a, el *b)
+{
+    return (a->score > b->score) ? -1 : (a->score < b->score);
+}
+
+int main()
+{
+    int i;
+    el *head = NULL;
+    el els[15], *e;
+
+    for (i=0; i<15; i++) {
+        els[i].id = (int)'a'+i;
+        els[i].score = i%7;
+        LL_INSERT_INORDER(head, &els[i], order_desc);
+    }
+    LL_FOREACH(head, e) {
+        printf("%c ", e->id);
+    }
+    printf("\n");
+
+    printf("DL_INSERT_INORDER\n");
+    head = NULL;
+    for (i=0; i<15; i++) {
+        DL_INSERT_INORDER(head, &els[i], order_desc);
+    }
+    DL_FOREACH(head, e) {
+        printf("%c ", e->id);
+    }
+    printf("\n");
+
+    printf("CDL_INSERT_INORDER\n");
+    head = NULL;
+    for (i=0; i<15; i++) {
+        CDL_INSERT_INORDER(head, &els[i], order_desc);
+    }
+    CDL_FOREACH(head, e) {
+        printf("%c ", e->id);
+    }
+    printf("\n");
+    CDL_FOREACH2(head, e, prev) {
+        printf("%c ", e->id);
+    }
+    printf("\n");
+    return 0;
+}