337 lines
8.2 KiB
C++
337 lines
8.2 KiB
C++
/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2015 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "memchunk_test.h"
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#include <CUnit/CUnit.h>
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#include <nghttp2/nghttp2.h>
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#include "memchunk.h"
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#include "util.h"
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namespace nghttp2 {
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void test_pool_recycle(void) {
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MemchunkPool pool;
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CU_ASSERT(!pool.pool);
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CU_ASSERT(0 == pool.poolsize);
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CU_ASSERT(nullptr == pool.freelist);
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auto m1 = pool.get();
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CU_ASSERT(m1 == pool.pool.get());
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CU_ASSERT(MemchunkPool::value_type::size == pool.poolsize);
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CU_ASSERT(nullptr == pool.freelist);
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auto m2 = pool.get();
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CU_ASSERT(m2 == pool.pool.get());
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CU_ASSERT(2 * MemchunkPool::value_type::size == pool.poolsize);
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CU_ASSERT(nullptr == pool.freelist);
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CU_ASSERT(m1 == m2->knext.get());
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CU_ASSERT(nullptr == m1->knext.get());
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auto m3 = pool.get();
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CU_ASSERT(m3 == pool.pool.get());
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CU_ASSERT(3 * MemchunkPool::value_type::size == pool.poolsize);
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CU_ASSERT(nullptr == pool.freelist);
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pool.recycle(m3);
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CU_ASSERT(m3 == pool.pool.get());
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CU_ASSERT(3 * MemchunkPool::value_type::size == pool.poolsize);
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CU_ASSERT(m3 == pool.freelist);
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auto m4 = pool.get();
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CU_ASSERT(m3 == m4);
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CU_ASSERT(m4 == pool.pool.get());
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CU_ASSERT(3 * MemchunkPool::value_type::size == pool.poolsize);
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CU_ASSERT(nullptr == pool.freelist);
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pool.recycle(m2);
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pool.recycle(m1);
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CU_ASSERT(m1 == pool.freelist);
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CU_ASSERT(m2 == m1->next);
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CU_ASSERT(nullptr == m2->next);
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}
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using Memchunk16 = Memchunk<16>;
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using MemchunkPool16 = Pool<Memchunk16>;
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using Memchunks16 = Memchunks<Memchunk16>;
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using PeekMemchunks16 = PeekMemchunks<Memchunk16>;
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void test_memchunks_append(void) {
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MemchunkPool16 pool;
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Memchunks16 chunks(&pool);
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chunks.append("012");
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auto m = chunks.tail;
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CU_ASSERT(3 == m->len());
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CU_ASSERT(13 == m->left());
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chunks.append("3456789abcdef@");
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CU_ASSERT(16 == m->len());
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CU_ASSERT(0 == m->left());
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m = chunks.tail;
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CU_ASSERT(1 == m->len());
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CU_ASSERT(15 == m->left());
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CU_ASSERT(17 == chunks.rleft());
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char buf[16];
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size_t nread;
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nread = chunks.remove(buf, 8);
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CU_ASSERT(8 == nread);
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CU_ASSERT(0 == memcmp("01234567", buf, nread));
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CU_ASSERT(9 == chunks.rleft());
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nread = chunks.remove(buf, sizeof(buf));
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CU_ASSERT(9 == nread);
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CU_ASSERT(0 == memcmp("89abcdef@", buf, nread));
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CU_ASSERT(0 == chunks.rleft());
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CU_ASSERT(nullptr == chunks.head);
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CU_ASSERT(nullptr == chunks.tail);
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CU_ASSERT(32 == pool.poolsize);
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}
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void test_memchunks_drain(void) {
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MemchunkPool16 pool;
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Memchunks16 chunks(&pool);
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chunks.append("0123456789");
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size_t nread;
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nread = chunks.drain(3);
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CU_ASSERT(3 == nread);
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char buf[16];
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nread = chunks.remove(buf, sizeof(buf));
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CU_ASSERT(7 == nread);
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CU_ASSERT(0 == memcmp("3456789", buf, nread));
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}
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void test_memchunks_riovec(void) {
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MemchunkPool16 pool;
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Memchunks16 chunks(&pool);
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char buf[3 * 16];
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chunks.append(buf, sizeof(buf));
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std::array<struct iovec, 2> iov;
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auto iovcnt = chunks.riovec(iov.data(), iov.size());
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auto m = chunks.head;
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CU_ASSERT(2 == iovcnt);
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CU_ASSERT(m->buf.data() == iov[0].iov_base);
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CU_ASSERT(m->len() == iov[0].iov_len);
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m = m->next;
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CU_ASSERT(m->buf.data() == iov[1].iov_base);
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CU_ASSERT(m->len() == iov[1].iov_len);
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chunks.drain(2 * 16);
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iovcnt = chunks.riovec(iov.data(), iov.size());
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CU_ASSERT(1 == iovcnt);
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m = chunks.head;
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CU_ASSERT(m->buf.data() == iov[0].iov_base);
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CU_ASSERT(m->len() == iov[0].iov_len);
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}
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void test_memchunks_recycle(void) {
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MemchunkPool16 pool;
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{
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Memchunks16 chunks(&pool);
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char buf[32];
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chunks.append(buf, sizeof(buf));
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}
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CU_ASSERT(32 == pool.poolsize);
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CU_ASSERT(nullptr != pool.freelist);
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auto m = pool.freelist;
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m = m->next;
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CU_ASSERT(nullptr != m);
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CU_ASSERT(nullptr == m->next);
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}
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void test_memchunks_reset(void) {
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MemchunkPool16 pool;
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Memchunks16 chunks(&pool);
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std::array<uint8_t, 32> b{};
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chunks.append(b.data(), b.size());
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CU_ASSERT(32 == chunks.rleft());
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chunks.reset();
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CU_ASSERT(0 == chunks.rleft());
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CU_ASSERT(nullptr == chunks.head);
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CU_ASSERT(nullptr == chunks.tail);
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auto m = pool.freelist;
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CU_ASSERT(nullptr != m);
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CU_ASSERT(nullptr != m->next);
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CU_ASSERT(nullptr == m->next->next);
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}
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void test_peek_memchunks_append(void) {
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MemchunkPool16 pool;
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PeekMemchunks16 pchunks(&pool);
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std::array<uint8_t, 32> b{{
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4',
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'5', '6', '7', '8', '9', '0', '1', }},
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d;
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pchunks.append(b.data(), b.size());
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CU_ASSERT(32 == pchunks.rleft());
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CU_ASSERT(32 == pchunks.rleft_buffered());
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CU_ASSERT(0 == pchunks.remove(nullptr, 0));
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CU_ASSERT(32 == pchunks.rleft());
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CU_ASSERT(32 == pchunks.rleft_buffered());
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CU_ASSERT(12 == pchunks.remove(d.data(), 12));
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CU_ASSERT(std::equal(std::begin(b), std::begin(b) + 12, std::begin(d)));
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CU_ASSERT(20 == pchunks.rleft());
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CU_ASSERT(32 == pchunks.rleft_buffered());
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CU_ASSERT(20 == pchunks.remove(d.data(), d.size()));
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CU_ASSERT(std::equal(std::begin(b) + 12, std::end(b), std::begin(d)));
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CU_ASSERT(0 == pchunks.rleft());
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CU_ASSERT(32 == pchunks.rleft_buffered());
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}
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void test_peek_memchunks_disable_peek_drain(void) {
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MemchunkPool16 pool;
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PeekMemchunks16 pchunks(&pool);
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std::array<uint8_t, 32> b{{
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4',
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'5', '6', '7', '8', '9', '0', '1', }},
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d;
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pchunks.append(b.data(), b.size());
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CU_ASSERT(12 == pchunks.remove(d.data(), 12));
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pchunks.disable_peek(true);
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CU_ASSERT(!pchunks.peeking);
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CU_ASSERT(20 == pchunks.rleft());
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CU_ASSERT(20 == pchunks.rleft_buffered());
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CU_ASSERT(20 == pchunks.remove(d.data(), d.size()));
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CU_ASSERT(std::equal(std::begin(b) + 12, std::end(b), std::begin(d)));
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CU_ASSERT(0 == pchunks.rleft());
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CU_ASSERT(0 == pchunks.rleft_buffered());
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}
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void test_peek_memchunks_disable_peek_no_drain(void) {
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MemchunkPool16 pool;
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PeekMemchunks16 pchunks(&pool);
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std::array<uint8_t, 32> b{{
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4',
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'5', '6', '7', '8', '9', '0', '1', }},
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d;
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pchunks.append(b.data(), b.size());
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CU_ASSERT(12 == pchunks.remove(d.data(), 12));
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pchunks.disable_peek(false);
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CU_ASSERT(!pchunks.peeking);
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CU_ASSERT(32 == pchunks.rleft());
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CU_ASSERT(32 == pchunks.rleft_buffered());
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CU_ASSERT(32 == pchunks.remove(d.data(), d.size()));
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CU_ASSERT(std::equal(std::begin(b), std::end(b), std::begin(d)));
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CU_ASSERT(0 == pchunks.rleft());
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CU_ASSERT(0 == pchunks.rleft_buffered());
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}
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void test_peek_memchunks_reset(void) {
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MemchunkPool16 pool;
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PeekMemchunks16 pchunks(&pool);
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std::array<uint8_t, 32> b{{
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '1', '2', '3', '4',
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'5', '6', '7', '8', '9', '0', '1', }},
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d;
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pchunks.append(b.data(), b.size());
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CU_ASSERT(12 == pchunks.remove(d.data(), 12));
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pchunks.disable_peek(true);
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pchunks.reset();
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CU_ASSERT(0 == pchunks.rleft());
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CU_ASSERT(0 == pchunks.rleft_buffered());
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CU_ASSERT(nullptr == pchunks.cur);
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CU_ASSERT(nullptr == pchunks.cur_pos);
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CU_ASSERT(nullptr == pchunks.cur_last);
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CU_ASSERT(pchunks.peeking);
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}
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} // namespace nghttp2
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