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62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
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//
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// This code is licensed under the MIT License (MIT).
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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///////////////////////////////////////////////////////////////////////////////
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#pragma once
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#ifndef GSL_ASSERT_H
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#define GSL_ASSERT_H
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#include <exception>
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#if defined(GSL_THROWS_FOR_TESTING)
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#include <stdexcept>
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#endif
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namespace gsl {
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//
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// Having "fail fast" result in an exception makes unit testing
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// the GSL classes that rely upon it much simpler.
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//
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#if defined(GSL_THROWS_FOR_TESTING)
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struct fail_fast : public std::runtime_error
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{
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fail_fast() : std::runtime_error("") {}
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explicit fail_fast(char const* const message) : std::runtime_error(message) {}
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};
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inline void fail_fast_assert(bool cond) { if (!cond) throw fail_fast(); }
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inline void fail_fast_assert(bool cond, const char* const message) { if (!cond) throw fail_fast(message); }
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#else
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inline void fail_fast_assert(bool cond) { if (!cond) std::terminate(); }
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inline void fail_fast_assert(bool cond, const char* const) { if (!cond) std::terminate(); }
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#endif // GSL_THROWS_FOR_TESTING
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//
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// GSL.assert: assertions
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//
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#define Expects(x, ...) gsl::fail_fast_assert((x), __VA_ARGS__)
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#define Ensures(x, ...) gsl::fail_fast_assert((x), __VA_ARGS__)
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} // namespace gsl
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#endif // GSL_ASSERT_H
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