2017-10-07 00:16:47 +00:00
|
|
|
// Copyright (C) 2015-2017 Free Software Foundation, Inc.
|
2017-04-10 11:32:00 +00:00
|
|
|
//
|
|
|
|
// This file is part of the GNU ISO C++ Library. This library is free
|
|
|
|
// software; you can redistribute it and/or modify it under the
|
|
|
|
// terms of the GNU General Public License as published by the
|
|
|
|
// Free Software Foundation; either version 3, or (at your option)
|
|
|
|
// any later version.
|
|
|
|
|
|
|
|
// This library is distributed in the hope that it will be useful,
|
|
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
// GNU General Public License for more details.
|
|
|
|
|
|
|
|
// You should have received a copy of the GNU General Public License along
|
|
|
|
// with this library; see the file COPYING3. If not see
|
|
|
|
// <http://www.gnu.org/licenses/>.
|
|
|
|
|
|
|
|
// { dg-options "-std=gnu++1z" }
|
|
|
|
|
|
|
|
#include <cassert>
|
|
|
|
#include <exception>
|
|
|
|
#include <testsuite_hooks.h>
|
|
|
|
|
|
|
|
#ifndef __cpp_lib_uncaught_exceptions
|
|
|
|
# error "Feature-test macro for uncaught_exceptions missing"
|
|
|
|
#elif __cpp_lib_uncaught_exceptions != 201411
|
|
|
|
# error "Feature-test macro for uncaught_exceptions has wrong value"
|
|
|
|
#endif
|
|
|
|
|
|
|
|
struct UncaughtVerifier
|
|
|
|
{
|
|
|
|
int expected_count_ = 0;
|
|
|
|
UncaughtVerifier(int expected_count) : expected_count_(expected_count) {}
|
|
|
|
~UncaughtVerifier()
|
|
|
|
{
|
|
|
|
VERIFY(std::uncaught_exceptions() == expected_count_);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
struct Transaction
|
|
|
|
{
|
|
|
|
int initial_count_;
|
|
|
|
bool& result_;
|
|
|
|
Transaction(bool& result)
|
|
|
|
: initial_count_(std::uncaught_exceptions()),
|
|
|
|
result_(result) {}
|
|
|
|
~Transaction()
|
|
|
|
{
|
|
|
|
if (std::uncaught_exceptions() != initial_count_) {
|
|
|
|
result_ = false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
void test01()
|
|
|
|
{
|
|
|
|
try {
|
|
|
|
UncaughtVerifier uv{0};
|
|
|
|
} catch (...) {
|
|
|
|
UncaughtVerifier uv{0};
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void test02()
|
|
|
|
{
|
|
|
|
try {
|
|
|
|
UncaughtVerifier uv{1};
|
|
|
|
throw 0;
|
|
|
|
} catch (...) {
|
|
|
|
UncaughtVerifier uv{0};
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void test03()
|
|
|
|
{
|
|
|
|
try {
|
|
|
|
struct Wrap
|
|
|
|
{
|
|
|
|
UncaughtVerifier uv_{1};
|
|
|
|
~Wrap() {try {UncaughtVerifier uv2{2}; throw 0;} catch(...) {}}
|
|
|
|
};
|
|
|
|
Wrap w;
|
|
|
|
throw 0;
|
|
|
|
} catch (...) {
|
|
|
|
UncaughtVerifier uv{0};
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void test04()
|
|
|
|
{
|
|
|
|
bool result = true;
|
|
|
|
try {
|
|
|
|
Transaction t{result};
|
|
|
|
} catch(...) {
|
|
|
|
}
|
|
|
|
VERIFY(result);
|
|
|
|
}
|
|
|
|
|
|
|
|
void test05()
|
|
|
|
{
|
|
|
|
bool result = true;
|
|
|
|
try {
|
|
|
|
Transaction t{result};
|
|
|
|
throw 0;
|
|
|
|
} catch(...) {
|
|
|
|
}
|
|
|
|
VERIFY(!result);
|
|
|
|
}
|
|
|
|
|
|
|
|
void test06()
|
|
|
|
{
|
|
|
|
bool result = true;
|
|
|
|
bool result2 = true;
|
|
|
|
try {
|
|
|
|
struct Wrap
|
|
|
|
{
|
|
|
|
bool& result_;
|
|
|
|
Wrap(bool& result) : result_(result) {}
|
|
|
|
~Wrap()
|
|
|
|
{
|
|
|
|
Transaction t{result_};
|
|
|
|
}
|
|
|
|
};
|
|
|
|
Transaction t{result};
|
|
|
|
Wrap w{result2};
|
|
|
|
throw 0;
|
|
|
|
} catch(...) {
|
|
|
|
}
|
|
|
|
VERIFY(!result);
|
|
|
|
VERIFY(result2);
|
|
|
|
}
|
|
|
|
|
|
|
|
void test07()
|
|
|
|
{
|
|
|
|
bool result = true;
|
|
|
|
bool result2 = true;
|
|
|
|
try {
|
|
|
|
struct Wrap
|
|
|
|
{
|
|
|
|
bool& result_;
|
|
|
|
Wrap(bool& result) : result_(result) {}
|
|
|
|
~Wrap()
|
|
|
|
{
|
|
|
|
try {
|
|
|
|
Transaction t{result_};
|
|
|
|
throw 0;
|
|
|
|
} catch(...) {}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
Transaction t{result};
|
|
|
|
Wrap w{result2};
|
|
|
|
throw 0;
|
|
|
|
} catch(...) {
|
|
|
|
}
|
|
|
|
VERIFY(!result);
|
|
|
|
VERIFY(!result2);
|
|
|
|
}
|
|
|
|
|
|
|
|
int main()
|
|
|
|
{
|
|
|
|
test01();
|
|
|
|
test02();
|
|
|
|
test03();
|
|
|
|
test04();
|
|
|
|
test05();
|
|
|
|
test06();
|
|
|
|
test07();
|
|
|
|
}
|