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112 lines
3.7 KiB
C++
112 lines
3.7 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/static_streambuf.hpp>
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#include <beast/detail/unit_test/suite.hpp>
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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 test {
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class static_streambuf_test : public beast::detail::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 testStaticStreambuf()
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{
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using boost::asio::buffer;
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using boost::asio::buffer_cast;
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using boost::asio::buffer_size;
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char buf[12];
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std::string const s = "Hello, world";
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expect(s.size() == sizeof(buf));
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for(std::size_t i = 1; i < 4; ++i) {
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for(std::size_t j = 1; j < 4; ++j) {
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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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for(std::size_t t = 1; t < 4; ++ t) {
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for(std::size_t u = 1; u < 4; ++ u) {
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std::size_t z = sizeof(buf) - (x + y);
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std::size_t v = sizeof(buf) - (t + u);
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{
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std::memset(buf, 0, sizeof(buf));
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static_streambuf_n<sizeof(buf)> ba;
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decltype(ba)::mutable_buffers_type d;
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d = ba.prepare(z); expect(buffer_size(d) == z);
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d = ba.prepare(0); expect(buffer_size(d) == 0);
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d = ba.prepare(y); expect(buffer_size(d) == y);
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d = ba.prepare(x); expect(buffer_size(d) == x);
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ba.commit(buffer_copy(d, buffer(s.data(), x)));
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expect(ba.size() == x);
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expect(buffer_size(ba.data()) == ba.size());
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d = ba.prepare(x); expect(buffer_size(d) == x);
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d = ba.prepare(0); expect(buffer_size(d) == 0);
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d = ba.prepare(z); expect(buffer_size(d) == z);
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d = ba.prepare(y); expect(buffer_size(d) == y);
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ba.commit(buffer_copy(d, buffer(s.data()+x, y)));
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ba.commit(1);
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expect(ba.size() == x + y);
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expect(buffer_size(ba.data()) == ba.size());
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d = ba.prepare(x); expect(buffer_size(d) == x);
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d = ba.prepare(y); expect(buffer_size(d) == y);
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d = ba.prepare(0); expect(buffer_size(d) == 0);
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d = ba.prepare(z); expect(buffer_size(d) == z);
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ba.commit(buffer_copy(d, buffer(s.data()+x+y, z)));
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ba.commit(2);
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expect(ba.size() == x + y + z);
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expect(buffer_size(ba.data()) == ba.size());
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expect(to_string(ba.data()) == s);
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ba.consume(t);
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d = ba.prepare(0); expect(buffer_size(d) == 0);
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expect(to_string(ba.data()) == s.substr(t, std::string::npos));
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ba.consume(u);
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expect(to_string(ba.data()) == s.substr(t + u, std::string::npos));
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ba.consume(v);
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expect(to_string(ba.data()) == "");
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ba.consume(1);
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d = ba.prepare(0); expect(buffer_size(d) == 0);
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try
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{
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ba.prepare(1);
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fail();
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}
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catch(...)
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{
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pass();
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}
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}
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}}}}}}
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}
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void run() override
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{
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testStaticStreambuf();
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}
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};
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BEAST_DEFINE_TESTSUITE(static_streambuf,asio,beast);
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} // test
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} // beastp
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