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https://github.com/mhx/dwarfs.git
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106 lines
3.0 KiB
C++
106 lines
3.0 KiB
C++
/* vim:set ts=2 sw=2 sts=2 et: */
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/**
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* \author Marcus Holland-Moritz (github@mhxnet.de)
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* \copyright Copyright (c) Marcus Holland-Moritz
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*
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* This file is part of dwarfs.
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*
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* dwarfs is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* dwarfs is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with dwarfs. If not, see <https://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: GPL-3.0-only
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*/
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#include <cerrno>
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#include <filesystem>
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#include <fmt/format.h>
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include <folly/String.h>
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#include <dwarfs/error.h>
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#include <dwarfs/util.h>
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using namespace dwarfs;
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namespace {
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int test_throw_runtime_error(bool throw_it) {
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if (throw_it) {
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DWARFS_THROW(runtime_error, "my test error");
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}
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return __LINE__ - 2;
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}
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int test_throw_system_error(bool throw_it) {
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if (throw_it) {
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errno = EPERM;
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DWARFS_THROW(system_error, "my test system error");
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}
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return __LINE__ - 2;
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}
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} // namespace
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TEST(error_test, runtime_error) {
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int expected_line = test_throw_runtime_error(false);
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try {
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test_throw_runtime_error(true);
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FAIL() << "expected runtime_error to be thrown";
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} catch (runtime_error const& e) {
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EXPECT_EQ("error_test.cpp",
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std::filesystem::path(e.file()).filename().string());
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EXPECT_EQ(fmt::format("[error_test.cpp:{}] my test error", e.line()),
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std::string(e.what()));
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EXPECT_EQ(expected_line, e.line());
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} catch (...) {
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FAIL() << "expected runtime_error, got "
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<< exception_str(std::current_exception());
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}
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}
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TEST(error_test, system_error) {
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int expected_line = test_throw_system_error(false);
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try {
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test_throw_system_error(true);
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FAIL() << "expected system_error to be thrown";
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} catch (system_error const& e) {
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EXPECT_THAT(std::string(e.what()),
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::testing::MatchesRegex(
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"\\[error_test\\.cpp:.*\\] my test system error: .*"));
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EXPECT_EQ("error_test.cpp",
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std::filesystem::path(e.file()).filename().string());
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EXPECT_EQ(EPERM, e.get_errno());
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EXPECT_EQ(expected_line, e.line());
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} catch (...) {
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FAIL() << "expected system_error, got "
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<< exception_str(std::current_exception());
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}
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}
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TEST(error_test, dwarfs_check) {
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DWARFS_CHECK(true, "my test error");
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EXPECT_DEATH(DWARFS_CHECK(false, "my test error"), "my test error");
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}
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TEST(error_test, dwarfs_nothrow) {
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std::vector<int> v{1, 2, 3};
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EXPECT_EQ(3, DWARFS_NOTHROW(v.at(2)));
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EXPECT_DEATH(DWARFS_NOTHROW(v.at(3)), "Expression `v.at\\(3\\)` threw .*");
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}
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