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43 lines
1.3 KiB
C++
43 lines
1.3 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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// test underflow_error
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#include <stdexcept>
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#include <type_traits>
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#include <cstring>
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#include <string>
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#include <cassert>
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int main()
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{
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static_assert((std::is_base_of<std::runtime_error, std::underflow_error>::value),
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"std::is_base_of<std::runtime_error, std::underflow_error>::value");
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static_assert(std::is_polymorphic<std::underflow_error>::value,
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"std::is_polymorphic<std::underflow_error>::value");
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{
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const char* msg = "underflow_error message";
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std::underflow_error e(msg);
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assert(std::strcmp(e.what(), msg) == 0);
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std::underflow_error e2(e);
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assert(std::strcmp(e2.what(), msg) == 0);
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e2 = e;
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assert(std::strcmp(e2.what(), msg) == 0);
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}
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{
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std::string msg("another underflow_error message");
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std::underflow_error e(msg);
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assert(e.what() == msg);
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std::underflow_error e2(e);
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assert(e2.what() == msg);
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e2 = e;
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assert(e2.what() == msg);
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}
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}
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