| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++03 |
| |
| // <filesystem> |
| |
| // bool equivalent(path const& lhs, path const& rhs); |
| // bool equivalent(path const& lhs, path const& rhs, std::error_code& ec) noexcept; |
| |
| #include "filesystem_include.h" |
| #include <type_traits> |
| #include <cassert> |
| |
| #include "assert_macros.h" |
| #include "test_macros.h" |
| #include "filesystem_test_helper.h" |
| |
| using namespace fs; |
| |
| static void signature_test() { |
| const path p; |
| ((void)p); |
| std::error_code ec; |
| ((void)ec); |
| ASSERT_NOEXCEPT(equivalent(p, p, ec)); |
| ASSERT_NOT_NOEXCEPT(equivalent(p, p)); |
| } |
| |
| static void equivalent_test() { |
| static_test_env static_env; |
| struct TestCase { |
| path lhs; |
| path rhs; |
| bool expect; |
| }; |
| const TestCase testCases[] = { |
| {static_env.Dir, static_env.Dir, true}, |
| {static_env.File, static_env.Dir, false}, |
| {static_env.Dir, static_env.SymlinkToDir, true}, |
| {static_env.Dir, static_env.SymlinkToFile, false}, |
| {static_env.File, static_env.File, true}, |
| {static_env.File, static_env.SymlinkToFile, true}, |
| }; |
| for (auto& TC : testCases) { |
| std::error_code ec; |
| assert(equivalent(TC.lhs, TC.rhs, ec) == TC.expect); |
| assert(!ec); |
| } |
| } |
| |
| static void equivalent_reports_error_if_input_dne() { |
| static_test_env static_env; |
| const path E = static_env.File; |
| const path DNE = static_env.DNE; |
| { // Test that an error is reported when either of the paths don't exist |
| std::error_code ec = GetTestEC(); |
| assert(equivalent(E, DNE, ec) == false); |
| assert(ec); |
| assert(ec != GetTestEC()); |
| } |
| { |
| std::error_code ec = GetTestEC(); |
| assert(equivalent(DNE, E, ec) == false); |
| assert(ec); |
| assert(ec != GetTestEC()); |
| } |
| { |
| TEST_THROWS_TYPE(filesystem_error, equivalent(DNE, E)); |
| TEST_THROWS_TYPE(filesystem_error, equivalent(E, DNE)); |
| } |
| { // Test that an exception is thrown if both paths do not exist. |
| TEST_THROWS_TYPE(filesystem_error, equivalent(DNE, DNE)); |
| } |
| { |
| std::error_code ec = GetTestEC(); |
| assert(equivalent(DNE, DNE, ec) == false); |
| assert(ec); |
| assert(ec != GetTestEC()); |
| } |
| } |
| |
| static void equivalent_hardlink_succeeds() { |
| scoped_test_env env; |
| path const file = env.create_file("file", 42); |
| const path hl1 = env.create_hardlink(file, "hl1"); |
| const path hl2 = env.create_hardlink(file, "hl2"); |
| assert(equivalent(file, hl1)); |
| assert(equivalent(file, hl2)); |
| assert(equivalent(hl1, hl2)); |
| } |
| |
| #ifndef _WIN32 |
| static void equivalent_is_other_succeeds() { |
| scoped_test_env env; |
| path const file = env.create_file("file", 42); |
| const path fifo1 = env.create_fifo("fifo1"); |
| const path fifo2 = env.create_fifo("fifo2"); |
| // Required to test behavior for inputs where is_other(p) is true. |
| assert(is_other(fifo1)); |
| assert(!equivalent(file, fifo1)); |
| assert(!equivalent(fifo2, file)); |
| assert(!equivalent(fifo1, fifo2)); |
| assert(equivalent(fifo1, fifo1)); |
| } |
| #endif // _WIN32 |
| |
| int main(int, char**) { |
| signature_test(); |
| equivalent_test(); |
| equivalent_reports_error_if_input_dne(); |
| equivalent_hardlink_succeeds(); |
| #ifndef _WIN32 |
| equivalent_is_other_succeeds(); |
| #endif |
| |
| return 0; |
| } |