1 files changed, 65 insertions, 0 deletions
diff --git a/tests/test89.c b/tests/test89.c
new file mode 100644
index 000000000..74d7ec488
--- /dev/null
+++ b/tests/test89.c
@@ -0,0 +1,65 @@
+/* Minified version of code from tinydtls 0.9               */
+/* See https://projects.eclipse.org/projects/iot.tinydtls   */
+
+#include "utlist.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+typedef int clock_time_t;
+
+typedef struct netq_t {
+    struct netq_t *next;
+    clock_time_t t;
+} netq_t;
+
+void dump_queue(struct netq_t *queue)
+{
+    struct netq_t *p;
+    int i = 0;
+
+    if (!queue) {
+        printf("(null)\n");
+    } else {
+        LL_FOREACH(queue, p) {
+            printf("node #%d, timeout: %d\n", i++, p->t);
+        }
+    }
+}
+
+int netq_insert_node(netq_t **queue, netq_t *node)
+{
+    netq_t *p = *queue;
+    while (p && p->t <= node->t) {
+        p = p->next;
+    }
+    /* *INDENT-OFF* */
+    if (p)
+        LL_PREPEND_ELEM(*queue, p, node);
+    else
+        LL_APPEND(*queue, node);
+    /* *INDENT-ON* */
+    return 1;
+}
+
+int main()
+{
+    struct netq_t *nq = NULL;
+    size_t i;
+
+    clock_time_t timestamps[] = { 300, 100, 200, 400, 500 };
+
+    for (i = 0; i < sizeof(timestamps)/sizeof(clock_time_t); i++) {
+        struct netq_t *node = (struct netq_t *)malloc(sizeof *node);
+        memset(node, '\0', sizeof *node);
+        node->t = timestamps[i];
+
+        if (netq_insert_node(&nq, node) != 1) {
+            puts("ERROR");
+        }
+    }
+
+    dump_queue(nq);
+    return 0;
+}