1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// UNSUPPORTED: c++98, c++03 11 12// <experimental/filesystem> 13 14// bool equivalent(path const& lhs, path const& rhs); 15// bool equivalent(path const& lhs, path const& rhs, std::error_code& ec) noexcept; 16 17#include <experimental/filesystem> 18#include <type_traits> 19#include <cassert> 20 21#include "test_macros.h" 22#include "rapid-cxx-test.hpp" 23#include "filesystem_test_helper.hpp" 24 25using namespace std::experimental::filesystem; 26 27TEST_SUITE(equivalent_test_suite) 28 29TEST_CASE(signature_test) 30{ 31 const path p; ((void)p); 32 std::error_code ec; ((void)ec); 33 ASSERT_NOEXCEPT(equivalent(p, p, ec)); 34 ASSERT_NOT_NOEXCEPT(equivalent(p, p)); 35} 36 37TEST_CASE(equivalent_test) 38{ 39 struct TestCase { 40 path lhs; 41 path rhs; 42 bool expect; 43 }; 44 const TestCase testCases[] = { 45 {StaticEnv::Dir, StaticEnv::Dir, true}, 46 {StaticEnv::File, StaticEnv::Dir, false}, 47 {StaticEnv::Dir, StaticEnv::SymlinkToDir, true}, 48 {StaticEnv::Dir, StaticEnv::SymlinkToFile, false}, 49 {StaticEnv::File, StaticEnv::File, true}, 50 {StaticEnv::File, StaticEnv::SymlinkToFile, true}, 51 }; 52 for (auto& TC : testCases) { 53 std::error_code ec; 54 TEST_CHECK(equivalent(TC.lhs, TC.rhs, ec) == TC.expect); 55 TEST_CHECK(!ec); 56 } 57} 58 59TEST_CASE(equivalent_reports_double_dne) 60{ 61 const path E = StaticEnv::File; 62 const path DNE = StaticEnv::DNE; 63 { // Test that no exception is thrown if one of the paths exists 64 TEST_CHECK(equivalent(E, DNE) == false); 65 TEST_CHECK(equivalent(DNE, E) == false); 66 } 67 { // Test that an exception is thrown if both paths do not exist. 68 TEST_CHECK_THROW(filesystem_error, equivalent(DNE, DNE)); 69 } 70 { 71 std::error_code ec; 72 TEST_CHECK(equivalent(DNE, DNE, ec) == false); 73 TEST_CHECK(ec); 74 } 75} 76 77TEST_CASE(equivalent_is_other_succeeds) 78{ 79 scoped_test_env env; 80 path const file = env.create_file("file", 42); 81 const path hl1 = env.create_hardlink(file, "hl1"); 82 const path hl2 = env.create_hardlink(file, "hl2"); 83 TEST_CHECK(equivalent(file, hl1)); 84 TEST_CHECK(equivalent(file, hl2)); 85 TEST_CHECK(equivalent(hl1, hl2)); 86} 87 88TEST_SUITE_END() 89