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c652cf066d0b43c7c5bc10b4d56ff99a867e7873
xahaud/test/core/basic_streambuf.cpp
Vinnie Falco af4fe24939 Squashed 'src/beast/' changes from 2f9a844..1ab7a2f 
1ab7a2f Set version to 1.0.0-b22
2eb4b0c Fix code sample in websocket.qbk
58802f4 Fix typos in design.qbk
19dc4bb Update documentation examples
10dbc5b Disable Boost.Coroutine deprecation warning
01c76c7 Fix websocket stream read documentation
d152c96 Update README.md example programs
995d86f Avoid copies in handler_alloc
851cb62 Add handler helpers
114175c Implement asio dealloc-before-invoke guarantee:
681db2e Add missing include
7db3c6e Fix broken Intellisense (MSVC)
09c183d Set version to 1.0.0-b21
1cb01fe Remove extraneous includes
62e65ed Set version to 1.0.0-b20
45eaa8c Increase utf8 checker code coverage
9ff1a27 Add zlib module:
a0a3359 Refactor HTTP identifier names (API Change):
79be7f8 Set version to 1.0.0-b19
eda1120 Tidy up internal name
4130ad4 Better buffer_cat:
f94f21d Fix consuming_buffers value_type (API Change):
2c524b4 prepared_buffers is private (API Change)
df2a108 Fix prepare_buffers value_type:
a4af9d6 Use boost::lexical_cast instead of std::to_string
62d670b Fix with_body example:
a63bd84 Increase code coverage
84a6775 Boost library min/max guidance:
02feea5 Add read, async_read for message_headers:
f224585 Add write, async_write, operator<< for message_headers:
ea48bcf Make chunk_encode public:
f6dd744 Refactor message and message_headers declarations:
9fd8aed Move sync_ostream to core/detail
c98b2d3 Optimize mask operations
d4dfc1a Optimize utf8 validation
7b4de4b Set version to 1.0.0-b18
feb5204 Add websocket::stream pong and async_pong
d4ffde5 Close connection during async_read on close frame:
644d518 Move clamp to core
427ba38 Fix write_frame masking and auto-fragment handling
54a51b1 Write buffer option does not change capacity
591dbc0 Meet DynamicBuffer requirements for static_streambuf
46d5e72 Reorganize source files and definitions
efa4b8f Override incremental link flags:
eef6e86 Higher optimization settings for MSVC builds
b6f3a36 Check invariants in parse_op:
47b0fa6 Remove unused field in test
8b8e57e unit_test improvements:
e907252 Clean up message docs
1e3543f Set version to 1.0.0-b17
de97a69 Trim unused code
796b484 Doc fixes
95c37e2 Fix unused parameter warnings and missing includes:
8b0d285 Refactor read_size_helper
97a9dcb Improve websocket example in README.md
236caef Engaged invokable is destructible:
d107ba1 Add headers_parser:
2f90627 Fix handling of body_what::pause in basic_parser_v1
9353d04 Add basic_parser_v1::reset
658e03c Add on_body_what parser callback (API Change):
50bd446 Fix parser traits detection (API Change):
df8d306 Tidy up documentation:
47105f8 Tidy up basic_headers for documentation
ada1f60 Refine message class hierarchy:
cf43f51 Rework HTTP concepts (API Change):
8a261ca HTTP Reader (API Change):
183055a Parser callbacks may not throw (API Change)
ebebe52 Add basic_streambuf::alloc_size
c9cd171 Fix basic_streambuf::capacity
0eb0e48 Tidying:
c5c436d Change implicit_value to default_value
01f939d Set version to 1.0.0-b16
206d0a9 Fix websocket failure tests
6b4fb28 Fix Writer exemplar in docs
4224a3a Relax ForwardIterator requirements in FieldSequence
14d7f8d Refactor base_parser_v1 callback traits:
d812344 Add pause option to on_headers interface:
c59bd53 Improve first line serialization
78ff20b Constrain parser_v1 constructor
2765a67 Refine Parser concept:
c329d33 Fix on_headers called twice from basic_parser_v1
55c4c93 Put back missing Design section in docs
90cec54 Make auto_fragment a boolean option
03642fb Rename to write_buffer_size
0ca8964 Frame processing routines are member functions
d99dfb3 Make value optional in param-list
325f579 Set version to 1.0.0-b15
c54762a Fix handling empty HTTP headers in parser_v1.hpp
c39cc06 Regression test for empty headers
60e637b Tidy up error types:
d54d597 Tidy up DynamicBuffer requirements
707fb5e Fix doc reference section
38af0f7 Fix message_v1 constructor
027c4e8 Add Secure WebSocket example
5baaa49 Add HTTPS example
076456b rfc7230 section 3.3.2 compliance
a09a044 Use bin/sh
1ff192d Update README.md for CppCon 2016 presentation
70b8555 Set version to 1.0.0-b14
b4a8342 Update and tidy documentation
8607af5 Update README.md
4abb43e Use BOOST_ASSERT
b5bffee Don't rely on undefined behavior
8ee7a21 Better WebSocket decorator:
38f0d95 Update build scripts for MSVC, MinGW
2a5b116 Fix error handling in server examples
4c7065a Add missing rebind to handler_alloc

git-subtree-dir: src/beast
git-subtree-split: 1ab7a2f04ca9a0b35f2032877cab78d94e96ebad
2017-01-11 16:50:38 -05:00

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//
// Copyright (c) 2013-2016 Vinnie Falco (vinnie dot falco at gmail dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Test that header file is self-contained.
#include <beast/core/basic_streambuf.hpp>
#include "buffer_test.hpp"
#include <beast/core/streambuf.hpp>
#include <beast/core/to_string.hpp>
#include <beast/unit_test/suite.hpp>
#include <boost/asio/buffer.hpp>
#include <algorithm>
#include <atomic>
#include <memory>
#include <string>
namespace beast {
struct test_allocator_info
{
std::size_t ncopy = 0;
std::size_t nmove = 0;
std::size_t nselect = 0;
};
template<class T,
bool Assign, bool Move, bool Swap, bool Select>
class test_allocator;
template<class T,
bool Assign, bool Move, bool Swap, bool Select>
struct test_allocator_base
{
};
template<class T,
bool Assign, bool Move, bool Swap>
struct test_allocator_base<T, Assign, Move, Swap, true>
{
static
test_allocator<T, Assign, Move, Swap, true>
select_on_container_copy_construction(
test_allocator<T, Assign, Move, Swap, true> const& a)
{
return test_allocator<T, Assign, Move, Swap, true>{};
}
};
template<class T,
bool Assign, bool Move, bool Swap, bool Select>
class test_allocator : public test_allocator_base<
T, Assign, Move, Swap, Select>
{
std::size_t id_;
std::shared_ptr<test_allocator_info> info_;
template<class, bool, bool, bool, bool>
friend class test_allocator;
public:
using value_type = T;
using propagate_on_container_copy_assignment =
std::integral_constant<bool, Assign>;
using propagate_on_container_move_assignment =
std::integral_constant<bool, Move>;
using propagate_on_container_swap =
std::integral_constant<bool, Swap>;
template<class U>
struct rebind
{
using other = test_allocator<
U, Assign, Move, Swap, Select>;
};
test_allocator()
: id_([]
{
static std::atomic<
std::size_t> sid(0);
return ++sid;
}())
, info_(std::make_shared<test_allocator_info>())
{
}
test_allocator(test_allocator const& u) noexcept
: id_(u.id_)
, info_(u.info_)
{
++info_->ncopy;
}
template<class U>
test_allocator(test_allocator<
U, Assign, Move, Swap, Select> const& u) noexcept
: id_(u.id_)
, info_(u.info_)
{
++info_->ncopy;
}
test_allocator(test_allocator&& t)
: id_(t.id_)
, info_(t.info_)
{
++info_->nmove;
}
value_type*
allocate(std::size_t n)
{
return static_cast<value_type*>(
::operator new (n*sizeof(value_type)));
}
void
deallocate(value_type* p, std::size_t) noexcept
{
::operator delete(p);
}
std::size_t
id() const
{
return id_;
}
test_allocator_info const*
operator->() const
{
return info_.get();
}
};
class basic_streambuf_test : public beast::unit_test::suite
{
public:
template<class Alloc1, class Alloc2>
static
bool
eq(basic_streambuf<Alloc1> const& sb1,
basic_streambuf<Alloc2> const& sb2)
{
return to_string(sb1.data()) == to_string(sb2.data());
}
template<class ConstBufferSequence>
void
expect_size(std::size_t n, ConstBufferSequence const& buffers)
{
BEAST_EXPECT(test::size_pre(buffers) == n);
BEAST_EXPECT(test::size_post(buffers) == n);
BEAST_EXPECT(test::size_rev_pre(buffers) == n);
BEAST_EXPECT(test::size_rev_post(buffers) == n);
}
template<class U, class V>
static
void
self_assign(U& u, V&& v)
{
u = std::forward<V>(v);
}
void testSpecialMembers()
{
using boost::asio::buffer;
using boost::asio::buffer_cast;
using boost::asio::buffer_size;
std::string const s = "Hello, world";
BEAST_EXPECT(s.size() == 12);
for(std::size_t i = 1; i < 12; ++i) {
for(std::size_t x = 1; x < 4; ++x) {
for(std::size_t y = 1; y < 4; ++y) {
std::size_t z = s.size() - (x + y);
{
streambuf sb(i);
sb.commit(buffer_copy(sb.prepare(x), buffer(s.data(), x)));
sb.commit(buffer_copy(sb.prepare(y), buffer(s.data()+x, y)));
sb.commit(buffer_copy(sb.prepare(z), buffer(s.data()+x+y, z)));
BEAST_EXPECT(to_string(sb.data()) == s);
{
streambuf sb2(sb);
BEAST_EXPECT(eq(sb, sb2));
}
{
streambuf sb2;
sb2 = sb;
BEAST_EXPECT(eq(sb, sb2));
}
{
streambuf sb2(std::move(sb));
BEAST_EXPECT(to_string(sb2.data()) == s);
expect_size(0, sb.data());
sb = std::move(sb2);
BEAST_EXPECT(to_string(sb.data()) == s);
expect_size(0, sb2.data());
}
self_assign(sb, sb);
BEAST_EXPECT(to_string(sb.data()) == s);
self_assign(sb, std::move(sb));
BEAST_EXPECT(to_string(sb.data()) == s);
}
}}}
try
{
streambuf sb0(0);
fail();
}
catch(std::exception const&)
{
pass();
}
}
void testAllocator()
{
// VFALCO This needs work
{
using alloc_type =
test_allocator<char, false, false, false, false>;
using sb_type = basic_streambuf<alloc_type>;
sb_type sb;
BEAST_EXPECT(sb.get_allocator().id() == 1);
}
{
using alloc_type =
test_allocator<char, false, false, false, false>;
using sb_type = basic_streambuf<alloc_type>;
sb_type sb;
BEAST_EXPECT(sb.get_allocator().id() == 2);
sb_type sb2(sb);
BEAST_EXPECT(sb2.get_allocator().id() == 2);
sb_type sb3(sb, alloc_type{});
}
}
void
testPrepare()
{
using boost::asio::buffer_size;
{
streambuf sb(2);
BEAST_EXPECT(buffer_size(sb.prepare(5)) == 5);
BEAST_EXPECT(buffer_size(sb.prepare(8)) == 8);
BEAST_EXPECT(buffer_size(sb.prepare(7)) == 7);
}
{
streambuf sb(2);
sb.prepare(2);
BEAST_EXPECT(test::buffer_count(sb.prepare(5)) == 2);
BEAST_EXPECT(test::buffer_count(sb.prepare(8)) == 3);
BEAST_EXPECT(test::buffer_count(sb.prepare(4)) == 2);
}
}
void testCommit()
{
using boost::asio::buffer_size;
streambuf sb(2);
sb.prepare(2);
sb.prepare(5);
sb.commit(1);
expect_size(1, sb.data());
}
void testConsume()
{
using boost::asio::buffer_size;
streambuf sb(1);
expect_size(5, sb.prepare(5));
sb.commit(3);
expect_size(3, sb.data());
sb.consume(1);
expect_size(2, sb.data());
}
void testMatrix()
{
using boost::asio::buffer;
using boost::asio::buffer_cast;
using boost::asio::buffer_size;
std::string const s = "Hello, world";
BEAST_EXPECT(s.size() == 12);
for(std::size_t i = 1; i < 12; ++i) {
for(std::size_t x = 1; x < 4; ++x) {
for(std::size_t y = 1; y < 4; ++y) {
for(std::size_t t = 1; t < 4; ++ t) {
for(std::size_t u = 1; u < 4; ++ u) {
std::size_t z = s.size() - (x + y);
std::size_t v = s.size() - (t + u);
{
streambuf sb(i);
{
auto d = sb.prepare(z);
BEAST_EXPECT(buffer_size(d) == z);
}
{
auto d = sb.prepare(0);
BEAST_EXPECT(buffer_size(d) == 0);
}
{
auto d = sb.prepare(y);
BEAST_EXPECT(buffer_size(d) == y);
}
{
auto d = sb.prepare(x);
BEAST_EXPECT(buffer_size(d) == x);
sb.commit(buffer_copy(d, buffer(s.data(), x)));
}
BEAST_EXPECT(sb.size() == x);
BEAST_EXPECT(buffer_size(sb.data()) == sb.size());
{
auto d = sb.prepare(x);
BEAST_EXPECT(buffer_size(d) == x);
}
{
auto d = sb.prepare(0);
BEAST_EXPECT(buffer_size(d) == 0);
}
{
auto d = sb.prepare(z);
BEAST_EXPECT(buffer_size(d) == z);
}
{
auto d = sb.prepare(y);
BEAST_EXPECT(buffer_size(d) == y);
sb.commit(buffer_copy(d, buffer(s.data()+x, y)));
}
sb.commit(1);
BEAST_EXPECT(sb.size() == x + y);
BEAST_EXPECT(buffer_size(sb.data()) == sb.size());
{
auto d = sb.prepare(x);
BEAST_EXPECT(buffer_size(d) == x);
}
{
auto d = sb.prepare(y);
BEAST_EXPECT(buffer_size(d) == y);
}
{
auto d = sb.prepare(0);
BEAST_EXPECT(buffer_size(d) == 0);
}
{
auto d = sb.prepare(z);
BEAST_EXPECT(buffer_size(d) == z);
sb.commit(buffer_copy(d, buffer(s.data()+x+y, z)));
}
sb.commit(2);
BEAST_EXPECT(sb.size() == x + y + z);
BEAST_EXPECT(buffer_size(sb.data()) == sb.size());
BEAST_EXPECT(to_string(sb.data()) == s);
sb.consume(t);
{
auto d = sb.prepare(0);
BEAST_EXPECT(buffer_size(d) == 0);
}
BEAST_EXPECT(to_string(sb.data()) == s.substr(t, std::string::npos));
sb.consume(u);
BEAST_EXPECT(to_string(sb.data()) == s.substr(t + u, std::string::npos));
sb.consume(v);
BEAST_EXPECT(to_string(sb.data()) == "");
sb.consume(1);
{
auto d = sb.prepare(0);
BEAST_EXPECT(buffer_size(d) == 0);
}
}
}}}}}
}
void testIterators()
{
using boost::asio::buffer_size;
streambuf sb(1);
sb.prepare(1);
sb.commit(1);
sb.prepare(2);
sb.commit(2);
expect_size(3, sb.data());
sb.prepare(1);
expect_size(3, sb.prepare(3));
sb.commit(2);
BEAST_EXPECT(test::buffer_count(sb.data()) == 4);
}
void testOutputStream()
{
streambuf sb;
sb << "x";
BEAST_EXPECT(to_string(sb.data()) == "x");
}
void testCapacity()
{
using boost::asio::buffer_size;
{
streambuf sb{10};
BEAST_EXPECT(sb.alloc_size() == 10);
BEAST_EXPECT(read_size_helper(sb, 1) == 1);
BEAST_EXPECT(read_size_helper(sb, 10) == 10);
BEAST_EXPECT(read_size_helper(sb, 20) == 20);
BEAST_EXPECT(read_size_helper(sb, 1000) == 512);
sb.prepare(3);
sb.commit(3);
BEAST_EXPECT(read_size_helper(sb, 10) == 7);
BEAST_EXPECT(read_size_helper(sb, 1000) == 7);
}
{
streambuf sb(1000);
BEAST_EXPECT(sb.alloc_size() == 1000);
BEAST_EXPECT(read_size_helper(sb, 1) == 1);
BEAST_EXPECT(read_size_helper(sb, 1000) == 1000);
BEAST_EXPECT(read_size_helper(sb, 2000) == 1000);
sb.prepare(3);
BEAST_EXPECT(read_size_helper(sb, 1) == 1);
BEAST_EXPECT(read_size_helper(sb, 1000) == 1000);
BEAST_EXPECT(read_size_helper(sb, 2000) == 1000);
sb.commit(3);
BEAST_EXPECT(read_size_helper(sb, 1) == 1);
BEAST_EXPECT(read_size_helper(sb, 1000) == 997);
BEAST_EXPECT(read_size_helper(sb, 2000) == 997);
sb.consume(2);
BEAST_EXPECT(read_size_helper(sb, 1) == 1);
BEAST_EXPECT(read_size_helper(sb, 1000) == 997);
BEAST_EXPECT(read_size_helper(sb, 2000) == 997);
}
{
streambuf sb{2};
BEAST_EXPECT(sb.alloc_size() == 2);
BEAST_EXPECT(test::buffer_count(sb.prepare(2)) == 1);
BEAST_EXPECT(test::buffer_count(sb.prepare(3)) == 2);
BEAST_EXPECT(buffer_size(sb.prepare(5)) == 5);
BEAST_EXPECT(read_size_helper(sb, 10) == 6);
}
{
auto avail =
[](streambuf const& sb)
{
return sb.capacity() - sb.size();
};
streambuf sb{100};
BEAST_EXPECT(sb.alloc_size() == 100);
BEAST_EXPECT(avail(sb) == 0);
sb.prepare(100);
BEAST_EXPECT(avail(sb) == 100);
sb.commit(100);
BEAST_EXPECT(avail(sb) == 0);
sb.consume(100);
BEAST_EXPECT(avail(sb) == 0);
sb.alloc_size(200);
BEAST_EXPECT(sb.alloc_size() == 200);
sb.prepare(1);
BEAST_EXPECT(avail(sb) == 200);
}
}
void run() override
{
testSpecialMembers();
testAllocator();
testPrepare();
testCommit();
testConsume();
testMatrix();
testIterators();
testOutputStream();
testCapacity();
}
};
BEAST_DEFINE_TESTSUITE(basic_streambuf,core,beast);
} // beast
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