#!/bin/sh

set -e

WORKDIR=$(mktemp -d)
trap 'rm -rf $WORKDIR' 0 INT QUIT ABRT PIPE TERM
cd "$WORKDIR" || exit 1
cat <<EOF > test.cpp
#include <backward.hpp>
#include <iostream>
#include <stdexcept>
#include <sstream>

using namespace backward;

class TracedException : public std::runtime_error
{
public:
    TracedException() :
        std::runtime_error(_get_trace())
    {}

private:
    std::string _get_trace()
    {
        std::ostringstream ss;

        StackTrace stackTrace;
        TraceResolver resolver;
        stackTrace.load_here();
        resolver.load_stacktrace(stackTrace);

        for(std::size_t i = 0; i < stackTrace.size(); ++i)
        {
            const ResolvedTrace trace = resolver.resolve(stackTrace[i]);

            ss << "#" << i << " at " << trace.object_function << "\\n";
        }

        return ss.str();
    }
};

void f(int i)
{
    if(i >= 2)
    {
        throw TracedException();
    }
    else
    {
        std::cout << "i=" << i << "\\n";
        f(i + 1);
    }
}

int main()
{
    try
    {
        f(0);
    } catch (const TracedException& ex)
    {
        std::cout << ex.what();
    }
}
EOF

g++ -g -DBACKWARD_HAS_BFD -o test test.cpp -lbfd -ldl
echo "Build: OK"
[ -x test ]
./test | tee test.log
echo "Run: OK"
[ "$(grep -c 'f(int)' test.log)" -eq 3 ]
echo "Test: OK"
