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+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2015 Tatsuhiro Tsujikawa
+ *
+ * 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 "buffer_test.h"
+
+#include <cstring>
+#include <iostream>
+#include <tuple>
+
+#include <CUnit/CUnit.h>
+
+#include <nghttp2/nghttp2.h>
+
+#include "buffer.h"
+
+namespace nghttp2 {
+
+void test_buffer_write(void) {
+ Buffer<16> b;
+ CU_ASSERT(0 == b.rleft());
+ CU_ASSERT(16 == b.wleft());
+
+ b.write("012", 3);
+
+ CU_ASSERT(3 == b.rleft());
+ CU_ASSERT(13 == b.wleft());
+ CU_ASSERT(b.pos == std::begin(b.buf));
+
+ b.drain(3);
+
+ CU_ASSERT(0 == b.rleft());
+ CU_ASSERT(13 == b.wleft());
+ CU_ASSERT(3 == b.pos - std::begin(b.buf));
+
+ auto n = b.write("0123456789ABCDEF", 16);
+
+ CU_ASSERT(n == 13);
+
+ CU_ASSERT(13 == b.rleft());
+ CU_ASSERT(0 == b.wleft());
+ CU_ASSERT(3 == b.pos - std::begin(b.buf));
+ CU_ASSERT(0 == memcmp(b.pos, "0123456789ABC", 13));
+
+ b.reset();
+
+ CU_ASSERT(0 == b.rleft());
+ CU_ASSERT(16 == b.wleft());
+ CU_ASSERT(b.pos == std::begin(b.buf));
+
+ b.write(5);
+
+ CU_ASSERT(5 == b.rleft());
+ CU_ASSERT(11 == b.wleft());
+ CU_ASSERT(b.pos == std::begin(b.buf));
+}
+
+} // namespace nghttp2