1 files changed, 91 insertions, 0 deletions
diff --git a/tests/ngtcp2_ringbuf_test.c b/tests/ngtcp2_ringbuf_test.c
new file mode 100644
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--- /dev/null
+++ b/tests/ngtcp2_ringbuf_test.c
@@ -0,0 +1,91 @@
+/*
+ * ngtcp2
+ *
+ * Copyright (c) 2017 ngtcp2 contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "ngtcp2_ringbuf_test.h"
+
+#include <CUnit/CUnit.h>
+
+#include "ngtcp2_ringbuf.h"
+#include "ngtcp2_test_helper.h"
+
+typedef struct {
+  int32_t a;
+  uint64_t b;
+} ints;
+
+void test_ngtcp2_ringbuf_push_front(void) {
+  ngtcp2_ringbuf rb;
+  const ngtcp2_mem *mem = ngtcp2_mem_default();
+  size_t i;
+
+  ngtcp2_ringbuf_init(&rb, 64, sizeof(ints), mem);
+
+  for (i = 0; i < 64; ++i) {
+    ints *p = ngtcp2_ringbuf_push_front(&rb);
+    p->a = (int32_t)(i + 1);
+    p->b = (i + 1) * 10;
+  }
+
+  CU_ASSERT(64 == ngtcp2_ringbuf_len(&rb));
+
+  for (i = 0; i < 64; ++i) {
+    ints *p = ngtcp2_ringbuf_get(&rb, i);
+    CU_ASSERT((int32_t)(64 - i) == p->a);
+    CU_ASSERT((64 - i) * 10 == p->b);
+  }
+
+  ngtcp2_ringbuf_push_front(&rb);
+
+  CU_ASSERT(64 == ngtcp2_ringbuf_len(&rb));
+  CU_ASSERT((int32_t)64 == ((ints *)ngtcp2_ringbuf_get(&rb, 1))->a);
+
+  ngtcp2_ringbuf_free(&rb);
+}
+
+void test_ngtcp2_ringbuf_pop_front(void) {
+  ngtcp2_ringbuf rb;
+  const ngtcp2_mem *mem = ngtcp2_mem_default();
+  size_t i;
+
+  ngtcp2_ringbuf_init(&rb, 4, sizeof(ints), mem);
+
+  for (i = 0; i < 5; ++i) {
+    ints *p = ngtcp2_ringbuf_push_front(&rb);
+    p->a = (int32_t)i;
+  }
+
+  CU_ASSERT(4 == ngtcp2_ringbuf_len(&rb));
+
+  for (i = 4; i >= 1; --i) {
+    ints *p = ngtcp2_ringbuf_get(&rb, 0);
+
+    CU_ASSERT((int32_t)i == p->a);
+
+    ngtcp2_ringbuf_pop_front(&rb);
+  }
+
+  CU_ASSERT(0 == ngtcp2_ringbuf_len(&rb));
+
+  ngtcp2_ringbuf_free(&rb);
+}