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d8dea963fa
6d5547a Set version to 1.0.0-b34 6fab138 Fix and tidy up CMake build scripts: ccefa54 Set version to 1.0.0-b33 32afe41 Set internal state correctly when writing frames: fe3e20b Add write_frames unit test 578dcd0 Add decorator unit test aaa3733 Use fwrite return value in file_body df66165 Require Visual Studio 2015 Update 3 or later b8e5a21 Set version to 1.0.0-b32 ffb1758 Update CMake scripts for finding packages: b893749 Remove http Writer suspend and resume feature (API Change): 27864fb Add io_service completion invariants tests eba05a7 Set version to 1.0.0-b31 484bcef Fix badge markdown in README.md 5663bea Add missing dynabuf_readstream member 0d7a551 Tidy up build settings 0fd4030 Move the handler, don't copy it git-subtree-dir: src/beast git-subtree-split: 6d5547a32c50ec95832c4779311502555ab0ee1f
95 lines
2.0 KiB
C++
95 lines
2.0 KiB
C++
//
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// Copyright (c) 2013-2017 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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// Test that header file is self-contained.
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#include <beast/core/detail/empty_base_optimization.hpp>
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#include <beast/unit_test/suite.hpp>
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namespace beast {
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namespace detail {
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class empty_base_optimization_test
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: public beast::unit_test::suite
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{
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public:
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template<class T>
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class test1
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: private empty_base_optimization<T>
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{
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using Base = empty_base_optimization<T>;
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void* m_p;
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public:
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explicit test1 (T const& t)
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: Base (t)
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{}
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T& member() {return Base::member();}
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T const& member() const {return Base::member();}
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};
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template<class T>
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class test2
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{
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void* m_p;
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T m_t;
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public:
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explicit test2 (T const& t)
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: m_t (t)
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{}
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T& member() {return m_t;}
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T const& member() const {return m_t;}
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};
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struct Empty
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{
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operator bool() {return true;}
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};
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static
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bool
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test_one()
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{
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test1<int> t1(1);
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test2<int> t2(2);
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static_assert(sizeof(t1) == sizeof(t2), "don't optimize for int");
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if(t1.member() != 1)
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return false;
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if(t2.member() != 2)
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return false;
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return true;
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}
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static
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bool
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test_two()
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{
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test1<Empty> t1((Empty()));
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test2<Empty> t2((Empty()));
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static_assert(sizeof(t1) < sizeof(t2), "do optimize for Empty");
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if(t1.member() != true)
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return false;
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if(t2.member() != true)
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return false;
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return true;
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}
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void
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run()
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{
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BEAST_EXPECT(test_one());
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BEAST_EXPECT(test_two());
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pass();
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}
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};
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BEAST_DEFINE_TESTSUITE(empty_base_optimization,core,beast);
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} // detail
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} // beast
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