forked from boostorg/beast
598 lines
20 KiB
C++
598 lines
20 KiB
C++
//
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// Copyright (c) 2016-2017 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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// Official repository: https://github.com/boostorg/beast
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//
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// Test that header file is self-contained.
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#include <boost/beast/core/multi_buffer.hpp>
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#include "buffer_test.hpp"
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#include <boost/beast/core/ostream.hpp>
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#include <boost/beast/core/string.hpp>
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#include <boost/beast/core/type_traits.hpp>
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#include <boost/beast/test/test_allocator.hpp>
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#include <boost/beast/experimental/unit_test/suite.hpp>
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#include <boost/asio/buffer.hpp>
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#include <algorithm>
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#include <atomic>
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#include <memory>
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#include <string>
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namespace boost {
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namespace beast {
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BOOST_STATIC_ASSERT(
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boost::asio::is_dynamic_buffer<multi_buffer>::value);
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class multi_buffer_test : public beast::unit_test::suite
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{
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public:
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template<class Alloc1, class Alloc2>
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static
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bool
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eq(basic_multi_buffer<Alloc1> const& mb1,
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basic_multi_buffer<Alloc2> const& mb2)
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{
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return buffers_to_string(mb1.data()) ==
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buffers_to_string(mb2.data());
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}
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template<class ConstBufferSequence>
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void
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expect_size(std::size_t n, ConstBufferSequence const& buffers)
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{
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BEAST_EXPECT(test::size_pre(buffers) == n);
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BEAST_EXPECT(test::size_post(buffers) == n);
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BEAST_EXPECT(test::size_rev_pre(buffers) == n);
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BEAST_EXPECT(test::size_rev_post(buffers) == n);
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}
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template<class U, class V>
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static
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void
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self_assign(U& u, V&& v)
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{
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u = std::forward<V>(v);
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}
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void
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testMatrix1()
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{
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using namespace test;
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using boost::asio::buffer;
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std::string const s = "Hello, world";
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BEAST_EXPECT(s.size() == 12);
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for(std::size_t i = 1; i < 12; ++i) {
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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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multi_buffer b;
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b.commit(buffer_copy(b.prepare(x), buffer(s.data(), x)));
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b.commit(buffer_copy(b.prepare(y), buffer(s.data()+x, y)));
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b.commit(buffer_copy(b.prepare(z), buffer(s.data()+x+y, z)));
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BEAST_EXPECT(buffers_to_string(b.data()) == s);
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{
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multi_buffer mb2{b};
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BEAST_EXPECT(eq(b, mb2));
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}
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{
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multi_buffer mb2;
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mb2 = b;
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BEAST_EXPECT(eq(b, mb2));
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}
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{
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multi_buffer mb2{std::move(b)};
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BEAST_EXPECT(buffers_to_string(mb2.data()) == s);
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expect_size(0, b.data());
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b = std::move(mb2);
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BEAST_EXPECT(buffers_to_string(b.data()) == s);
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expect_size(0, mb2.data());
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}
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self_assign(b, b);
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BEAST_EXPECT(buffers_to_string(b.data()) == s);
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self_assign(b, std::move(b));
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BEAST_EXPECT(buffers_to_string(b.data()) == s);
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}
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}}}
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}
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void
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testMatrix2()
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{
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using namespace test;
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using boost::asio::buffer;
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using boost::asio::buffer_size;
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std::string const s = "Hello, world";
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BEAST_EXPECT(s.size() == 12);
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for(std::size_t i = 1; i < 12; ++i) {
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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 = s.size() - (x + y);
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std::size_t v = s.size() - (t + u);
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{
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multi_buffer b;
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{
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auto d = b.prepare(z);
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BEAST_EXPECT(buffer_size(d) == z);
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}
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{
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auto d = b.prepare(0);
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BEAST_EXPECT(buffer_size(d) == 0);
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}
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{
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auto d = b.prepare(y);
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BEAST_EXPECT(buffer_size(d) == y);
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}
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{
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auto d = b.prepare(x);
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BEAST_EXPECT(buffer_size(d) == x);
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b.commit(buffer_copy(d, buffer(s.data(), x)));
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}
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BEAST_EXPECT(b.size() == x);
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BEAST_EXPECT(buffer_size(b.data()) == b.size());
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{
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auto d = b.prepare(x);
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BEAST_EXPECT(buffer_size(d) == x);
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}
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{
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auto d = b.prepare(0);
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BEAST_EXPECT(buffer_size(d) == 0);
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}
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{
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auto d = b.prepare(z);
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BEAST_EXPECT(buffer_size(d) == z);
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}
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{
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auto d = b.prepare(y);
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BEAST_EXPECT(buffer_size(d) == y);
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b.commit(buffer_copy(d, buffer(s.data()+x, y)));
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}
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b.commit(1);
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BEAST_EXPECT(b.size() == x + y);
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BEAST_EXPECT(buffer_size(b.data()) == b.size());
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{
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auto d = b.prepare(x);
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BEAST_EXPECT(buffer_size(d) == x);
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}
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{
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auto d = b.prepare(y);
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BEAST_EXPECT(buffer_size(d) == y);
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}
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{
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auto d = b.prepare(0);
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BEAST_EXPECT(buffer_size(d) == 0);
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}
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{
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auto d = b.prepare(z);
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BEAST_EXPECT(buffer_size(d) == z);
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b.commit(buffer_copy(d, buffer(s.data()+x+y, z)));
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}
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b.commit(2);
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BEAST_EXPECT(b.size() == x + y + z);
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BEAST_EXPECT(buffer_size(b.data()) == b.size());
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BEAST_EXPECT(buffers_to_string(b.data()) == s);
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b.consume(t);
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{
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auto d = b.prepare(0);
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BEAST_EXPECT(buffer_size(d) == 0);
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}
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BEAST_EXPECT(buffers_to_string(b.data()) == s.substr(t, std::string::npos));
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b.consume(u);
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BEAST_EXPECT(buffers_to_string(b.data()) == s.substr(t + u, std::string::npos));
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b.consume(v);
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BEAST_EXPECT(buffers_to_string(b.data()) == "");
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b.consume(1);
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{
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auto d = b.prepare(0);
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BEAST_EXPECT(buffer_size(d) == 0);
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}
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}
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}}}}}
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}
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void
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testIterators()
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{
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using boost::asio::buffer_size;
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multi_buffer b;
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b.prepare(1);
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b.commit(1);
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b.prepare(2);
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b.commit(2);
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expect_size(3, b.data());
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b.prepare(1);
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expect_size(3, b.prepare(3));
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b.commit(2);
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}
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void
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testMembers()
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{
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using namespace test;
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// compare equal
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using equal_t = test::test_allocator<char,
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true, true, true, true, true>;
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// compare not equal
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using unequal_t = test::test_allocator<char,
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false, true, true, true, true>;
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// construction
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{
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{
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multi_buffer b;
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BEAST_EXPECT(b.capacity() == 0);
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}
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{
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multi_buffer b{500};
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BEAST_EXPECT(b.capacity() == 0);
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BEAST_EXPECT(b.max_size() == 500);
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}
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{
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unequal_t a1;
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basic_multi_buffer<unequal_t> b{a1};
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BEAST_EXPECT(b.get_allocator() == a1);
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BEAST_EXPECT(b.get_allocator() != unequal_t{});
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}
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}
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// move construction
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{
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{
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basic_multi_buffer<equal_t> b1{30};
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BEAST_EXPECT(b1.get_allocator()->nmove == 0);
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ostream(b1) << "Hello";
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basic_multi_buffer<equal_t> b2{std::move(b1)};
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BEAST_EXPECT(b2.get_allocator()->nmove == 1);
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BEAST_EXPECT(b1.size() == 0);
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BEAST_EXPECT(b1.capacity() == 0);
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BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
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BEAST_EXPECT(b1.max_size() == b2.max_size());
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}
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// allocators equal
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{
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basic_multi_buffer<equal_t> b1{30};
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ostream(b1) << "Hello";
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equal_t a;
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basic_multi_buffer<equal_t> b2{std::move(b1), a};
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BEAST_EXPECT(b1.size() == 0);
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BEAST_EXPECT(b1.capacity() == 0);
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BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
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BEAST_EXPECT(b1.max_size() == b2.max_size());
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}
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{
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// allocators unequal
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basic_multi_buffer<unequal_t> b1{30};
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ostream(b1) << "Hello";
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unequal_t a;
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basic_multi_buffer<unequal_t> b2{std::move(b1), a};
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BEAST_EXPECT(b1.size() == 0);
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BEAST_EXPECT(b1.capacity() == 0);
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BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
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BEAST_EXPECT(b1.max_size() == b2.max_size());
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}
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}
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// copy construction
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{
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{
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basic_multi_buffer<equal_t> b1;
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ostream(b1) << "Hello";
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basic_multi_buffer<equal_t> b2{b1};
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BEAST_EXPECT(b1.get_allocator() == b2.get_allocator());
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BEAST_EXPECT(buffers_to_string(b1.data()) == "Hello");
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BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
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}
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{
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basic_multi_buffer<unequal_t> b1;
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ostream(b1) << "Hello";
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unequal_t a;
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basic_multi_buffer<unequal_t> b2(b1, a);
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BEAST_EXPECT(b1.get_allocator() != b2.get_allocator());
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BEAST_EXPECT(buffers_to_string(b1.data()) == "Hello");
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BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
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}
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{
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basic_multi_buffer<equal_t> b1;
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ostream(b1) << "Hello";
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basic_multi_buffer<unequal_t> b2(b1);
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BEAST_EXPECT(buffers_to_string(b1.data()) == "Hello");
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BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
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}
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{
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basic_multi_buffer<unequal_t> b1;
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ostream(b1) << "Hello";
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equal_t a;
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basic_multi_buffer<equal_t> b2(b1, a);
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BEAST_EXPECT(b2.get_allocator() == a);
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BEAST_EXPECT(buffers_to_string(b1.data()) == "Hello");
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BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
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}
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}
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// move assignment
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{
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{
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multi_buffer b1;
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ostream(b1) << "Hello";
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multi_buffer b2;
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b2 = std::move(b1);
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BEAST_EXPECT(b1.size() == 0);
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BEAST_EXPECT(b1.capacity() == 0);
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BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
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}
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{
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// propagate_on_container_move_assignment : true
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using pocma_t = test::test_allocator<char,
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true, true, true, true, true>;
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basic_multi_buffer<pocma_t> b1;
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ostream(b1) << "Hello";
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basic_multi_buffer<pocma_t> b2;
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b2 = std::move(b1);
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BEAST_EXPECT(b1.size() == 0);
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BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
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}
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{
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// propagate_on_container_move_assignment : false
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using pocma_t = test::test_allocator<char,
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true, true, false, true, true>;
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basic_multi_buffer<pocma_t> b1;
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ostream(b1) << "Hello";
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basic_multi_buffer<pocma_t> b2;
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b2 = std::move(b1);
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BEAST_EXPECT(b1.size() == 0);
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BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
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}
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}
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// copy assignment
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{
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{
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multi_buffer b1;
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ostream(b1) << "Hello";
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multi_buffer b2;
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b2 = b1;
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BEAST_EXPECT(buffers_to_string(b1.data()) == "Hello");
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BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
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basic_multi_buffer<equal_t> b3;
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b3 = b2;
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BEAST_EXPECT(buffers_to_string(b3.data()) == "Hello");
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}
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{
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// propagate_on_container_copy_assignment : true
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using pocca_t = test::test_allocator<char,
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true, true, true, true, true>;
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basic_multi_buffer<pocca_t> b1;
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ostream(b1) << "Hello";
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basic_multi_buffer<pocca_t> b2;
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b2 = b1;
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BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
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}
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{
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// propagate_on_container_copy_assignment : false
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using pocca_t = test::test_allocator<char,
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true, false, true, true, true>;
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basic_multi_buffer<pocca_t> b1;
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ostream(b1) << "Hello";
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basic_multi_buffer<pocca_t> b2;
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b2 = b1;
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BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
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}
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}
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// prepare
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{
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{
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multi_buffer b{100};
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try
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{
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b.prepare(b.max_size() + 1);
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fail("", __FILE__, __LINE__);
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}
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catch(std::length_error const&)
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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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string_view const s = "Hello, world!";
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multi_buffer b1{64};
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BEAST_EXPECT(b1.size() == 0);
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BEAST_EXPECT(b1.max_size() == 64);
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BEAST_EXPECT(b1.capacity() == 0);
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ostream(b1) << s;
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BEAST_EXPECT(buffers_to_string(b1.data()) == s);
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{
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multi_buffer b2{b1};
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BEAST_EXPECT(buffers_to_string(b2.data()) == s);
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b2.consume(7);
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BEAST_EXPECT(buffers_to_string(b2.data()) == s.substr(7));
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}
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{
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multi_buffer b2{64};
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b2 = b1;
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BEAST_EXPECT(buffers_to_string(b2.data()) == s);
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b2.consume(7);
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BEAST_EXPECT(buffers_to_string(b2.data()) == s.substr(7));
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}
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}
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{
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multi_buffer b;
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b.prepare(1000);
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BEAST_EXPECT(b.capacity() >= 1000);
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b.commit(1);
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BEAST_EXPECT(b.size() == 1);
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BEAST_EXPECT(b.capacity() >= 1000);
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b.prepare(1000);
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BEAST_EXPECT(b.size() == 1);
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BEAST_EXPECT(b.capacity() >= 1000);
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b.prepare(1500);
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BEAST_EXPECT(b.capacity() >= 1000);
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}
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{
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multi_buffer b;
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b.prepare(1000);
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BEAST_EXPECT(b.capacity() >= 1000);
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b.commit(1);
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BEAST_EXPECT(b.capacity() >= 1000);
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b.prepare(1000);
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BEAST_EXPECT(b.capacity() >= 1000);
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b.prepare(2000);
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BEAST_EXPECT(b.capacity() >= 2000);
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b.commit(2);
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}
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{
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multi_buffer b;
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b.prepare(1000);
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BEAST_EXPECT(b.capacity() >= 1000);
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b.prepare(2000);
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BEAST_EXPECT(b.capacity() >= 2000);
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b.prepare(4000);
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BEAST_EXPECT(b.capacity() >= 4000);
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b.prepare(50);
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BEAST_EXPECT(b.capacity() >= 50);
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}
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}
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// commit
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{
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multi_buffer b;
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b.prepare(1000);
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BEAST_EXPECT(b.capacity() >= 1000);
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b.commit(1000);
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BEAST_EXPECT(b.size() == 1000);
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BEAST_EXPECT(b.capacity() >= 1000);
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b.consume(1000);
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BEAST_EXPECT(b.size() == 0);
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BEAST_EXPECT(b.capacity() == 0);
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b.prepare(1000);
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b.commit(650);
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BEAST_EXPECT(b.size() == 650);
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BEAST_EXPECT(b.capacity() >= 1000);
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b.prepare(1000);
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BEAST_EXPECT(b.capacity() >= 1650);
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b.commit(100);
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BEAST_EXPECT(b.size() == 750);
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BEAST_EXPECT(b.capacity() >= 1000);
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b.prepare(1000);
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BEAST_EXPECT(b.capacity() >= 2000);
|
|
b.commit(500);
|
|
}
|
|
|
|
// consume
|
|
{
|
|
multi_buffer b;
|
|
b.prepare(1000);
|
|
BEAST_EXPECT(b.capacity() >= 1000);
|
|
b.commit(1000);
|
|
BEAST_EXPECT(b.size() == 1000);
|
|
BEAST_EXPECT(b.capacity() >= 1000);
|
|
b.prepare(1000);
|
|
BEAST_EXPECT(b.capacity() >= 2000);
|
|
b.commit(750);
|
|
BEAST_EXPECT(b.size() == 1750);
|
|
b.consume(500);
|
|
BEAST_EXPECT(b.size() == 1250);
|
|
b.consume(500);
|
|
BEAST_EXPECT(b.size() == 750);
|
|
b.prepare(250);
|
|
b.consume(750);
|
|
BEAST_EXPECT(b.size() == 0);
|
|
b.prepare(1000);
|
|
b.commit(800);
|
|
BEAST_EXPECT(b.size() == 800);
|
|
b.prepare(1000);
|
|
b.commit(600);
|
|
BEAST_EXPECT(b.size() == 1400);
|
|
b.consume(1400);
|
|
BEAST_EXPECT(b.size() == 0);
|
|
}
|
|
|
|
// swap
|
|
{
|
|
{
|
|
// propagate_on_container_swap : true
|
|
using pocs_t = test::test_allocator<char,
|
|
false, true, true, true, true>;
|
|
pocs_t a1, a2;
|
|
BEAST_EXPECT(a1 != a2);
|
|
basic_multi_buffer<pocs_t> b1{a1};
|
|
ostream(b1) << "Hello";
|
|
basic_multi_buffer<pocs_t> b2{a2};
|
|
BEAST_EXPECT(b1.get_allocator() == a1);
|
|
BEAST_EXPECT(b2.get_allocator() == a2);
|
|
swap(b1, b2);
|
|
BEAST_EXPECT(b1.get_allocator() == a2);
|
|
BEAST_EXPECT(b2.get_allocator() == a1);
|
|
BEAST_EXPECT(b1.size() == 0);
|
|
BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
|
|
swap(b1, b2);
|
|
BEAST_EXPECT(b1.get_allocator() == a1);
|
|
BEAST_EXPECT(b2.get_allocator() == a2);
|
|
BEAST_EXPECT(buffers_to_string(b1.data()) == "Hello");
|
|
BEAST_EXPECT(b2.size() == 0);
|
|
}
|
|
{
|
|
// propagate_on_container_swap : false
|
|
using pocs_t = test::test_allocator<char,
|
|
true, true, true, false, true>;
|
|
pocs_t a1, a2;
|
|
BEAST_EXPECT(a1 == a2);
|
|
BEAST_EXPECT(a1.id() != a2.id());
|
|
basic_multi_buffer<pocs_t> b1{a1};
|
|
ostream(b1) << "Hello";
|
|
basic_multi_buffer<pocs_t> b2{a2};
|
|
BEAST_EXPECT(b1.get_allocator() == a1);
|
|
BEAST_EXPECT(b2.get_allocator() == a2);
|
|
swap(b1, b2);
|
|
BEAST_EXPECT(b1.get_allocator().id() == a1.id());
|
|
BEAST_EXPECT(b2.get_allocator().id() == a2.id());
|
|
BEAST_EXPECT(b1.size() == 0);
|
|
BEAST_EXPECT(buffers_to_string(b2.data()) == "Hello");
|
|
swap(b1, b2);
|
|
BEAST_EXPECT(b1.get_allocator().id() == a1.id());
|
|
BEAST_EXPECT(b2.get_allocator().id() == a2.id());
|
|
BEAST_EXPECT(buffers_to_string(b1.data()) == "Hello");
|
|
BEAST_EXPECT(b2.size() == 0);
|
|
}
|
|
}
|
|
|
|
// read_size
|
|
{
|
|
multi_buffer b{10};
|
|
BEAST_EXPECT(read_size(b, 512) == 10);
|
|
b.prepare(4);
|
|
b.commit(4);
|
|
BEAST_EXPECT(read_size(b, 512) == 6);
|
|
b.consume(2);
|
|
BEAST_EXPECT(read_size(b, 512) == 8);
|
|
b.prepare(8);
|
|
b.commit(8);
|
|
BEAST_EXPECT(read_size(b, 512) == 0);
|
|
}
|
|
}
|
|
|
|
void
|
|
run() override
|
|
{
|
|
testMatrix1();
|
|
testMatrix2();
|
|
testIterators();
|
|
testMembers();
|
|
}
|
|
};
|
|
|
|
BEAST_DEFINE_TESTSUITE(beast,core,multi_buffer);
|
|
|
|
} // beast
|
|
} // boost
|