52 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===----------------------------------------------------------------------===//
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| //
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| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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| // See https://llvm.org/LICENSE.txt for license information.
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| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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| //
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| //===----------------------------------------------------------------------===//
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| //
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| // UNSUPPORTED: no-threads
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| 
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| // LWG 2056 changed the values of future_errc, so if we're using new headers
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| // with an old library we'll get incorrect messages.
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| //
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| // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11}}
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| 
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| // <future>
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| 
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| // class future_error
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| 
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| // const char* what() const throw();
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| 
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| #include <future>
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| #include <cstring>
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| #include <cassert>
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| 
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| #include "test_macros.h"
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| 
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| int main(int, char**)
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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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|         LIBCPP_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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|         LIBCPP_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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|         LIBCPP_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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|         LIBCPP_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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|   return 0;
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| }
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