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// class directory_iterator 15 16// directory_iterator& operator=(directory_iterator const&); 17 18#include <experimental/filesystem> 19#include <type_traits> 20#include <set> 21#include <cassert> 22 23#include "test_macros.h" 24#include "rapid-cxx-test.hpp" 25#include "filesystem_test_helper.hpp" 26 27using namespace std::experimental::filesystem; 28 29TEST_SUITE(directory_iterator_copy_assign_tests) 30 31TEST_CASE(test_assignment_signature) 32{ 33 using D = directory_iterator; 34 static_assert(std::is_copy_assignable<D>::value, ""); 35} 36 37TEST_CASE(test_copy_to_end_iterator) 38{ 39 const path testDir = StaticEnv::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 53TEST_CASE(test_copy_from_end_iterator) 54{ 55 const path testDir = StaticEnv::Dir; 56 57 const directory_iterator from{}; 58 59 directory_iterator to(testDir); 60 TEST_REQUIRE(to != directory_iterator{}); 61 62 to = from; 63 TEST_REQUIRE(to == from); 64 TEST_CHECK(to == directory_iterator{}); 65} 66 67TEST_CASE(test_copy_valid_iterator) 68{ 69 const path testDir = StaticEnv::Dir; 70 const directory_iterator endIt{}; 71 72 directory_iterator it_obj(testDir); 73 const directory_iterator& it = it_obj; 74 TEST_REQUIRE(it != endIt); 75 ++it_obj; 76 TEST_REQUIRE(it != endIt); 77 const path entry = *it; 78 79 directory_iterator it2(testDir); 80 TEST_REQUIRE(it2 != it); 81 const path entry2 = *it2; 82 TEST_CHECK(entry2 != entry); 83 84 it2 = it; 85 TEST_REQUIRE(it2 == it); 86 TEST_CHECK(*it2 == entry); 87} 88 89TEST_CASE(test_returns_reference_to_self) 90{ 91 const directory_iterator it; 92 directory_iterator it2; 93 directory_iterator& ref = (it2 = it); 94 TEST_CHECK(&ref == &it2); 95} 96 97 98TEST_SUITE_END() 99