1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: c++03 10 11 // <filesystem> 12 13 // class directory_iterator 14 15 // directory_iterator& operator=(directory_iterator const&); 16 17 #include "filesystem_include.h" 18 #include <type_traits> 19 #include <set> 20 #include <cassert> 21 22 #include "test_macros.h" 23 #include "rapid-cxx-test.h" 24 #include "filesystem_test_helper.h" 25 26 using namespace fs; 27 28 TEST_SUITE(directory_iterator_copy_assign_tests) 29 TEST_CASE(test_assignment_signature)30TEST_CASE(test_assignment_signature) 31 { 32 using D = directory_iterator; 33 static_assert(std::is_copy_assignable<D>::value, ""); 34 } 35 TEST_CASE(test_copy_to_end_iterator)36TEST_CASE(test_copy_to_end_iterator) 37 { 38 static_test_env static_env; 39 const path testDir = static_env.Dir; 40 41 const directory_iterator from(testDir); 42 TEST_REQUIRE(from != directory_iterator{}); 43 const path entry = *from; 44 45 directory_iterator to{}; 46 to = from; 47 TEST_REQUIRE(to == from); 48 TEST_CHECK(*to == entry); 49 TEST_CHECK(*from == entry); 50 } 51 52 TEST_CASE(test_copy_from_end_iterator)53TEST_CASE(test_copy_from_end_iterator) 54 { 55 static_test_env static_env; 56 const path testDir = static_env.Dir; 57 58 const directory_iterator from{}; 59 60 directory_iterator to(testDir); 61 TEST_REQUIRE(to != directory_iterator{}); 62 63 to = from; 64 TEST_REQUIRE(to == from); 65 TEST_CHECK(to == directory_iterator{}); 66 } 67 TEST_CASE(test_copy_valid_iterator)68TEST_CASE(test_copy_valid_iterator) 69 { 70 static_test_env static_env; 71 const path testDir = static_env.Dir; 72 const directory_iterator endIt{}; 73 74 directory_iterator it_obj(testDir); 75 const directory_iterator& it = it_obj; 76 TEST_REQUIRE(it != endIt); 77 ++it_obj; 78 TEST_REQUIRE(it != endIt); 79 const path entry = *it; 80 81 directory_iterator it2(testDir); 82 TEST_REQUIRE(it2 != it); 83 const path entry2 = *it2; 84 TEST_CHECK(entry2 != entry); 85 86 it2 = it; 87 TEST_REQUIRE(it2 == it); 88 TEST_CHECK(*it2 == entry); 89 } 90 TEST_CASE(test_returns_reference_to_self)91TEST_CASE(test_returns_reference_to_self) 92 { 93 const directory_iterator it; 94 directory_iterator it2; 95 directory_iterator& ref = (it2 = it); 96 TEST_CHECK(&ref == &it2); 97 } 98 99 100 TEST_SUITE_END() 101