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// ensure that exceptions thrown inside a custom contract violation handler
// are catchable up the call stack
// { dg-do run }
// { dg-options "-std=c++2a -fcontracts -fcontract-continuation-mode=on" }
#include <iostream>
#include <experimental/contract>
void handle_contract_violation(const std::experimental::contract_violation &violation) {
std::cerr << "custom std::handle_contract_violation called:"
<< " " << violation.line_number()
<< " " << violation.file_name()
<< std::endl;
throw -(int)violation.line_number();
}
int fun() {
int x = 0;
[[ assert: x < 0 ]];
return 0;
}
int fun3() {
fun();
return 2;
}
int main(int, char**) {
try {
int x = 0;
[[ assert: x < 0 ]];
} catch(int &ex) {
std::cerr << "synth caught direct: " << ex << std::endl;
}
try {
fun();
} catch(int &ex) {
std::cerr << "synth caught indirect: " << ex << std::endl;
}
try {
fun3();
} catch(int &ex) {
std::cerr << "synth caught double indirect: " << ex << std::endl;
}
std::cerr << "end main" << std::endl;
return 0;
}
// { dg-output "custom std::handle_contract_violation called: 30 .*/contracts14.C(\n|\r\n|\r)" }
// { dg-output "synth caught direct: -30(\n|\r\n|\r)" }
// { dg-output "custom std::handle_contract_violation called: 18 .*/contracts14.C(\n|\r\n|\r)" }
// { dg-output "synth caught indirect: -18(\n|\r\n|\r)" }
// { dg-output "custom std::handle_contract_violation called: 18 .*/contracts14.C(\n|\r\n|\r)" }
// { dg-output "synth caught double indirect: -18(\n|\r\n|\r)" }
// { dg-output "end main" }
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