git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			42 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//===----------------------------------------------------------------------===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <future>
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// class future_error
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// const char* what() const throw();
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#include <future>
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#include <cstring>
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#include <cassert>
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int main()
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{
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    {
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        std::future_error f(std::make_error_code(std::future_errc::broken_promise));
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        assert(std::strcmp(f.what(), "The associated promise has been destructed prior "
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                      "to the associated state becoming ready.") == 0);
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    }
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    {
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        std::future_error f(std::make_error_code(std::future_errc::future_already_retrieved));
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        assert(std::strcmp(f.what(), "The future has already been retrieved from "
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                      "the promise or packaged_task.") == 0);
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    }
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    {
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        std::future_error f(std::make_error_code(std::future_errc::promise_already_satisfied));
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        assert(std::strcmp(f.what(), "The state of the promise has already been set.") == 0);
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    }
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    {
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        std::future_error f(std::make_error_code(std::future_errc::no_state));
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        assert(std::strcmp(f.what(), "Operation not permitted on an object without "
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                      "an associated state.") == 0);
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    }
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}
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