add prioq abstract data type

git-svn-id: file:///home/lennart/svn/public/avahi/trunk@5 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe

1 files changed, 55 insertions, 0 deletions

diff --git a/prioq-test.c b/prioq-test.c
new file mode 100644
index 0000000..56cfbc1
--- /dev/null
+++ b/prioq-test.c
@@ -0,0 +1,55 @@
+#include <time.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "prioq.h"
+
+static gint compare(gpointer a, gpointer b) {
+    gint i = GPOINTER_TO_INT(a), j = GPOINTER_TO_INT(b);
+
+    return i < j ? -1 : (i > j ? 1 : 0);
+}
+
+static void rec(flxPrioQueueNode *n) {
+    if (!n)
+        return;
+
+    if (n->parent) {
+        int a = GPOINTER_TO_INT(n->parent->data), b = GPOINTER_TO_INT(n->data);
+        if (a > b) {
+            printf("%i <= %i: NO\n", a, b);
+            abort();
+        }
+    }
+
+    rec(n->left);
+    rec(n->right);
+}
+
+int main(int argc, char *argv[]) {
+    flxPrioQueue *q;
+    gint i, prev;
+
+    q = flx_prio_queue_new(compare);
+
+    srand(time(NULL));
+
+    flx_prio_queue_put(q, GINT_TO_POINTER(255)); 
+    flx_prio_queue_put(q, GINT_TO_POINTER(255)); 
+    
+    for (i = 0; i < 10000; i++) 
+        flx_prio_queue_put(q, GINT_TO_POINTER(random() & 0xFFFF)); 
+
+    prev = 0;
+    while (q->root) {
+        gint v = GPOINTER_TO_INT(q->root->data);
+        rec(q->root);
+        printf("%i\n", v);
+        flx_prio_queue_remove(q, q->root);
+        g_assert(v >= prev);
+        prev = v;
+    }
+
+    flx_prio_queue_free(q);
+    return 0;
+}