forked from OSchip/llvm-project
35 lines
912 B
C++
35 lines
912 B
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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// <system_error>
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// class error_category
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// virtual string message(int ev) const = 0;
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#include <system_error>
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#include <cassert>
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#include <string>
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#include <stdio.h>
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int main()
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{
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const std::error_category& e_cat1 = std::generic_category();
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const std::error_category& e_cat2 = std::system_category();
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std::string m1 = e_cat1.message(5);
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std::string m2 = e_cat2.message(5);
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std::string m3 = e_cat2.message(6);
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assert(!m1.empty());
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assert(!m2.empty());
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assert(!m3.empty());
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assert(m1 == m2);
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assert(m1 != m3);
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}
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