forked from OSchip/llvm-project
112 lines
3.2 KiB
C++
112 lines
3.2 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 equivalent(path const& lhs, path const& rhs);
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// bool equivalent(path const& lhs, path const& rhs, std::error_code& ec) noexcept;
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#include "filesystem_include.hpp"
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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.hpp"
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#include "filesystem_test_helper.hpp"
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using namespace fs;
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TEST_SUITE(equivalent_test_suite)
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TEST_CASE(signature_test) {
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const path p;
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((void)p);
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std::error_code ec;
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((void)ec);
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ASSERT_NOEXCEPT(equivalent(p, p, ec));
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ASSERT_NOT_NOEXCEPT(equivalent(p, p));
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}
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TEST_CASE(equivalent_test) {
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struct TestCase {
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path lhs;
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path rhs;
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bool expect;
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};
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const TestCase testCases[] = {
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{StaticEnv::Dir, StaticEnv::Dir, true},
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{StaticEnv::File, StaticEnv::Dir, false},
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{StaticEnv::Dir, StaticEnv::SymlinkToDir, true},
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{StaticEnv::Dir, StaticEnv::SymlinkToFile, false},
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{StaticEnv::File, StaticEnv::File, true},
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{StaticEnv::File, StaticEnv::SymlinkToFile, true},
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};
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for (auto& TC : testCases) {
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std::error_code ec;
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TEST_CHECK(equivalent(TC.lhs, TC.rhs, ec) == TC.expect);
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TEST_CHECK(!ec);
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}
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}
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TEST_CASE(equivalent_reports_error_if_input_dne) {
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const path E = StaticEnv::File;
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const path DNE = StaticEnv::DNE;
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{ // Test that an error is reported when either of the paths don't exist
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std::error_code ec = GetTestEC();
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TEST_CHECK(equivalent(E, DNE, ec) == false);
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TEST_CHECK(ec);
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TEST_CHECK(ec != GetTestEC());
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}
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{
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std::error_code ec = GetTestEC();
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TEST_CHECK(equivalent(DNE, E, ec) == false);
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TEST_CHECK(ec);
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TEST_CHECK(ec != GetTestEC());
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}
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{
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TEST_CHECK_THROW(filesystem_error, equivalent(DNE, E));
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TEST_CHECK_THROW(filesystem_error, equivalent(E, DNE));
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}
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{ // Test that an exception is thrown if both paths do not exist.
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TEST_CHECK_THROW(filesystem_error, equivalent(DNE, DNE));
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}
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{
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std::error_code ec = GetTestEC();
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TEST_CHECK(equivalent(DNE, DNE, ec) == false);
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TEST_CHECK(ec);
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TEST_CHECK(ec != GetTestEC());
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}
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}
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TEST_CASE(equivalent_hardlink_succeeds) {
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scoped_test_env env;
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path const file = env.create_file("file", 42);
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const path hl1 = env.create_hardlink(file, "hl1");
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const path hl2 = env.create_hardlink(file, "hl2");
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TEST_CHECK(equivalent(file, hl1));
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TEST_CHECK(equivalent(file, hl2));
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TEST_CHECK(equivalent(hl1, hl2));
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}
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TEST_CASE(equivalent_is_other_succeeds) {
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scoped_test_env env;
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path const file = env.create_file("file", 42);
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const path fifo1 = env.create_fifo("fifo1");
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const path fifo2 = env.create_fifo("fifo2");
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// Required to test behavior for inputs where is_other(p) is true.
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TEST_REQUIRE(is_other(fifo1));
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TEST_CHECK(!equivalent(file, fifo1));
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TEST_CHECK(!equivalent(fifo2, file));
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TEST_CHECK(!equivalent(fifo1, fifo2));
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TEST_CHECK(equivalent(fifo1, fifo1));
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}
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TEST_SUITE_END()
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