1 files changed, 40 insertions, 0 deletions
diff --git a/tests/test_pque.c b/tests/test_pque.c
new file mode 100644
index 0000000..01e6e1c
--- /dev/null
+++ b/tests/test_pque.c
@@ -0,0 +1,40 @@
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "priority_queue.h"
+
+int intcmp(void *_a, void *_b) {
+    int a = *(int *)_a;
+    int b = *(int *)_b;
+    if (a < b) return 1;
+    if (a > b) return -1;
+    return 0;
+}
+
+int main() {
+    printf("[TEST] pque\n");
+    priority_queue_t pq;
+    init_priority_queue(&pq, 3, sizeof(int), intcmp);
+    int elems[10] = {1, 3, 2, 4, 6, 5, 9, 7, 8, 10};
+    for (int i = 0; i < 10; i++) {
+        int e = elems[i];
+        priority_queue_push(&pq, &e);
+    }
+    for (int i = 1; i < 11; i++) {
+        int *top = priority_queue_top(&pq);
+        assert(i == *top);
+        priority_queue_pop(&pq);
+    }
+    assert(priority_queue_top(&pq) == NULL);
+    int elems2[10] = {10, 8, 7, 9, 5, 6, 4, 2, 3, 1};
+    int expected[10] = {10, 8, 7, 7, 5, 5, 4, 2, 2, 1};
+    for (int i = 0; i < 10; i++) {
+        int e = elems2[i];
+        priority_queue_push(&pq, &e);
+        int *top = priority_queue_top(&pq);
+        assert(*top == expected[i]);
+    }
+    printf("[PASS] pque\n");
+    return 0;
+}