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2cb3834bbb
Beast.WebSocket provides developers with a robust WebSocket implementation built on Boost.Asio with a consistent asynchronous model using a modern C++ approach.
104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
//
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// Copyright (c) 2013-2016 Vinnie Falco (vinnie dot falco at gmail dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// Test that header file is self-contained.
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#include <beast/asio/prepare_buffers.h>
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#include <beast/asio/consuming_buffers.h>
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#include <beast/unit_test/suite.h>
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#include <boost/asio/buffer.hpp>
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#include <string>
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namespace beast {
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namespace asio {
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namespace test {
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class prepare_buffers_test : public unit_test::suite
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{
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public:
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template<class ConstBufferSequence>
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static
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std::string
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to_string(ConstBufferSequence const& bs)
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{
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using boost::asio::buffer_cast;
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using boost::asio::buffer_size;
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std::string s;
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s.reserve(buffer_size(bs));
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for(auto const& b : bs)
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s.append(buffer_cast<char const*>(b),
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buffer_size(b));
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return s;
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}
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void testBuffers()
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{
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using boost::asio::buffer_size;
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using boost::asio::const_buffer;
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std::string const s = "Hello, world";
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expect(s.size() == 12);
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for(std::size_t x = 1; x < 4; ++x) {
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for(std::size_t y = 1; y < 4; ++y) {
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std::size_t z = s.size() - (x + y);
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{
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std::array<const_buffer, 3> bs{{
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const_buffer{&s[0], x},
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const_buffer{&s[x], y},
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const_buffer{&s[x+y], z}}};
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for(std::size_t i = 0; i <= s.size() + 1; ++i)
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{
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auto pb = prepare_buffers(i, bs);
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expect(to_string(pb) == s.substr(0, i));
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auto pb2 = pb;
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expect(to_string(pb2) == to_string(pb));
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pb = prepare_buffers(0, bs);
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pb2 = pb;
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expect(buffer_size(pb2) == 0);
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pb2 = prepare_buffers(i, bs);
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expect(to_string(pb2) == s.substr(0, i));
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}
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}
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}}
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}
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void testNullBuffers()
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{
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using boost::asio::buffer_copy;
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using boost::asio::buffer_size;
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using boost::asio::null_buffers;
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auto pb0 = prepare_buffers(0, null_buffers{});
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expect(buffer_size(pb0) == 0);
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auto pb1 = prepare_buffers(1, null_buffers{});
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expect(buffer_size(pb1) == 0);
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expect(buffer_copy(pb0, pb1) == 0);
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using pb_type = decltype(pb0);
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consuming_buffers<pb_type> cb(pb0);
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expect(buffer_size(cb) == 0);
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expect(buffer_copy(cb, pb1) == 0);
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cb.consume(1);
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expect(buffer_size(cb) == 0);
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expect(buffer_copy(cb, pb1) == 0);
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auto pbc = prepare_buffers(2, cb);
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expect(buffer_size(pbc) == 0);
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expect(buffer_copy(pbc, cb) == 0);
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}
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void run() override
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{
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testBuffers();
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testNullBuffers();
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}
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};
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BEAST_DEFINE_TESTSUITE(prepare_buffers,asio,beast);
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} // test
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} // asio
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} // beast
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