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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/graphics/egl_error.h"
#include "mir/test/doubles/mock_egl.h"
#include <gtest/gtest.h>
#include <gmock/gmock.h>
namespace mg = mir::graphics;
namespace mtd = mir::test::doubles;
namespace
{
std::string to_hex_string(int n)
{
std::stringstream ss;
ss << std::showbase << std::hex << n;
return ss.str();
}
struct EGLErrorTest : ::testing::Test
{
testing::NiceMock<mtd::MockEGL> mock_egl;
std::string const user_message{"Something failed"};
std::string const egl_error_code_str{"EGL_BAD_MATCH"};
int const egl_error_code{EGL_BAD_MATCH};
};
}
TEST_F(EGLErrorTest, produces_correct_error_code)
{
using namespace testing;
EXPECT_CALL(mock_egl, eglGetError())
.WillOnce(Return(egl_error_code));
std::error_code ec;
try
{
throw mg::egl_error("");
}
catch (std::system_error const& error)
{
ec = error.code();
}
EXPECT_THAT(ec.value(), Eq(egl_error_code));
}
TEST_F(EGLErrorTest, produces_message_with_user_string_and_error_code_for_known_error)
{
using namespace testing;
EXPECT_CALL(mock_egl, eglGetError())
.WillOnce(Return(egl_error_code));
std::string error_message;
try
{
throw mg::egl_error(user_message);
}
catch (std::system_error const& error)
{
error_message = error.what();
}
EXPECT_THAT(error_message, HasSubstr(user_message));
EXPECT_THAT(error_message, HasSubstr(egl_error_code_str));
EXPECT_THAT(error_message, HasSubstr(to_hex_string(egl_error_code)));
}
TEST_F(EGLErrorTest, produces_message_with_user_string_and_error_code_for_unknown_error)
{
using namespace testing;
int const unknown_egl_error_code{0x131313};
EXPECT_CALL(mock_egl, eglGetError())
.WillOnce(Return(unknown_egl_error_code));
std::string error_message;
try
{
throw mg::egl_error(user_message);
}
catch (std::system_error const& error)
{
error_message = error.what();
}
EXPECT_THAT(error_message, HasSubstr(user_message));
EXPECT_THAT(error_message, HasSubstr(to_hex_string(unknown_egl_error_code)));
}
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