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/*
* Copyright © Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 or 3,
* as published by the Free Software Foundation.
*
* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mir/report_exception.h"
#include "mir/abnormal_exit.h"
#include "boost/throw_exception.hpp"
#include <gtest/gtest.h>
#include <gmock/gmock.h>
using namespace testing;
using namespace mir;
TEST(ReportExceptionTest, reports_abnormal_exit_to_err_stream)
{
std::ostringstream out, err;
std::string const message{"test-abnormal-exit"};
try
{
throw AbnormalExit{message};
}
catch(...)
{
report_exception(out, err);
}
EXPECT_THAT(out.str(), IsEmpty());
EXPECT_THAT(err.str(), Eq(message + "\n"));
}
TEST(ReportExceptionTest, reports_exit_with_output_to_out_stream)
{
std::ostringstream out, err;
std::string const message{"test-exit-with-output"};
try
{
throw ExitWithOutput{message};
}
catch(...)
{
report_exception(out, err);
}
EXPECT_THAT(err.str(), IsEmpty());
EXPECT_THAT(out.str(), Eq(message + "\n"));
}
TEST(ReportExceptionTest, reports_generic_exception_to_err_stream)
{
std::ostringstream out, err;
std::string const message{"test-abnormal-exit"};
try
{
throw std::logic_error{message};
}
catch(...)
{
report_exception(out, err);
}
EXPECT_THAT(out.str(), IsEmpty());
EXPECT_THAT(err.str(), HasSubstr(message));
}
TEST(ReportExceptionTest, reports_all_nested_exceptions)
{
std::ostringstream out, err;
std::string const message_a{"first-exception"};
std::string const message_b{"second-exception"};
std::string const message_c{"third-exception"};
try
{
try
{
try
{
throw std::logic_error{message_a};
}
catch (...)
{
std::throw_with_nested(std::runtime_error{message_b});
}
}
catch (...)
{
std::throw_with_nested(std::out_of_range{message_c});
}
}
catch(...)
{
report_exception(out, err);
}
EXPECT_THAT(out.str(), IsEmpty());
EXPECT_THAT(err.str(), HasSubstr(message_a));
EXPECT_THAT(err.str(), HasSubstr(message_b));
EXPECT_THAT(err.str(), HasSubstr(message_c));
}
TEST(ReportExceptionTest, reports_line_number_when_exception_thrown_with_boost)
{
std::ostringstream out, err;
int const line = __LINE__ + 3; // the exception is thrown three lines down
try
{
BOOST_THROW_EXCEPTION(std::runtime_error{"hello"});
}
catch(...)
{
report_exception(out, err);
}
EXPECT_THAT(out.str(), IsEmpty());
EXPECT_THAT(err.str(), HasSubstr(std::to_string(line)));
}
TEST(ReportExceptionTest, handles_strange_exception_type)
{
std::ostringstream out, err;
try
{
throw 42;
}
catch(...)
{
report_exception(out, err);
}
EXPECT_THAT(out.str(), IsEmpty());
EXPECT_THAT(err.str(), Not(IsEmpty()));
}
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