97 lines
2.3 KiB
C++
97 lines
2.3 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03
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// <filesystem>
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// bool exists(file_status s) noexcept
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// bool exists(path const& p);
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// bool exists(path const& p, std::error_code& ec) noexcept;
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#include "filesystem_include.h"
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#include <type_traits>
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#include <cassert>
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#include "test_macros.h"
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#include "rapid-cxx-test.h"
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#include "filesystem_test_helper.h"
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using namespace fs;
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TEST_SUITE(exists_test_suite)
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TEST_CASE(signature_test)
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{
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file_status s; ((void)s);
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const path p; ((void)p);
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std::error_code ec; ((void)ec);
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ASSERT_NOEXCEPT(exists(s));
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ASSERT_NOEXCEPT(exists(p, ec));
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ASSERT_NOT_NOEXCEPT(exists(p));
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}
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TEST_CASE(exists_status_test)
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{
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struct TestCase {
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file_type type;
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bool expect;
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};
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const TestCase testCases[] = {
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{file_type::none, false},
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{file_type::not_found, false},
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{file_type::regular, true},
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{file_type::directory, true},
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{file_type::symlink, true},
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{file_type::block, true},
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{file_type::character, true},
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{file_type::fifo, true},
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{file_type::socket, true},
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{file_type::unknown, true}
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};
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for (auto& TC : testCases) {
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file_status s(TC.type);
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TEST_CHECK(exists(s) == TC.expect);
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}
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}
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TEST_CASE(test_exist_not_found)
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{
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const path p = StaticEnv::DNE;
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TEST_CHECK(exists(p) == false);
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std::error_code ec = GetTestEC();
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TEST_CHECK(exists(p, ec) == false);
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TEST_CHECK(!ec);
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}
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TEST_CASE(test_exists_fails)
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{
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scoped_test_env env;
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const path dir = env.create_dir("dir");
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const path file = env.create_file("dir/file", 42);
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permissions(dir, perms::none);
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std::error_code ec;
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TEST_CHECK(exists(file, ec) == false);
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TEST_CHECK(ec);
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TEST_CHECK_THROW(filesystem_error, exists(file));
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}
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TEST_CASE(test_name_too_long) {
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std::string long_name(2500, 'a');
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const path file(long_name);
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std::error_code ec;
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TEST_CHECK(exists(file, ec) == false);
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TEST_CHECK(ec);
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}
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TEST_SUITE_END()
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