60 lines
1.3 KiB
C++
60 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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// <exception>
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// class nested_exception;
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// nested_exception& operator=(const nested_exception&) throw() = default;
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#include <exception>
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#include <cassert>
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class A
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{
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int data_;
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public:
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explicit A(int data) : data_(data) {}
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friend bool operator==(const A& x, const A& y) {return x.data_ == y.data_;}
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};
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int main()
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{
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{
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std::nested_exception e0;
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std::nested_exception e;
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e = e0;
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assert(e.nested_ptr() == nullptr);
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}
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{
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try
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{
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throw A(2);
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assert(false);
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}
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catch (const A&)
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{
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std::nested_exception e0;
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std::nested_exception e;
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e = e0;
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assert(e.nested_ptr() != nullptr);
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try
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{
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rethrow_exception(e.nested_ptr());
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assert(false);
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}
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catch (const A& a)
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{
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assert(a == A(2));
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}
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}
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}
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}
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