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1 | // |
2 | // Copyright (c) 2019 Alexander Grund | |
3 | // | |
4 | // Distributed under the Boost Software License, Version 1.0. (See | |
20effc67 | 5 | // accompanying file LICENSE or copy at |
f67539c2 TL |
6 | // http://www.boost.org/LICENSE_1_0.txt) |
7 | // | |
8 | ||
9 | #include <boost/nowide/config.hpp> | |
10 | ||
f67539c2 TL |
11 | #include <boost/nowide/fstream.hpp> |
12 | ||
13 | #include <boost/nowide/cstdio.hpp> | |
14 | #include <iterator> | |
15 | #include <utility> | |
16 | ||
17 | #include "test.hpp" | |
18 | ||
19 | namespace nw = boost::nowide; | |
20 | ||
21 | void create_file(const std::string& filename, const std::string& contents) | |
22 | { | |
23 | nw::ofstream f(filename, std::ios::trunc); | |
24 | TEST(f << contents); | |
25 | } | |
26 | ||
27 | template<typename T> | |
28 | std::string get_file_contents(T& stream) | |
29 | { | |
30 | TEST(stream); | |
31 | std::string s((std::istreambuf_iterator<char>(stream)), std::istreambuf_iterator<char>()); | |
32 | return s; | |
33 | } | |
34 | ||
35 | std::string get_file_contents(const std::string& filename) | |
36 | { | |
37 | nw::ifstream f(filename); | |
38 | return get_file_contents(f); | |
39 | } | |
40 | ||
41 | nw::ifstream make_ifstream(const std::string& filename) | |
42 | { | |
43 | nw::ifstream f(filename); | |
44 | TEST(f); | |
45 | std::string s; | |
46 | TEST(f >> s); | |
47 | TEST(s == "Hello"); | |
48 | return f; | |
49 | } | |
50 | ||
51 | void test_ifstream(const std::string& filename) | |
52 | { | |
53 | create_file(filename, "Hello\nWorld"); | |
54 | // Move construct | |
55 | { | |
56 | nw::ifstream f = make_ifstream(filename); | |
57 | TEST(f); | |
58 | std::string s; | |
59 | TEST(f >> s); | |
60 | TEST(s == "World"); | |
61 | } | |
62 | // Move assign | |
63 | { | |
64 | nw::ifstream f; | |
65 | { | |
66 | nw::ifstream f2 = make_ifstream(filename); | |
67 | f = std::move(f2); | |
68 | } | |
69 | TEST(f); | |
70 | std::string s; | |
71 | TEST(f >> s); | |
72 | TEST(s == "World"); | |
73 | } | |
74 | // Swap | |
75 | { | |
76 | nw::ifstream f; | |
77 | { | |
78 | nw::ifstream f2 = make_ifstream(filename); | |
79 | swap(f, f2); | |
80 | TEST(!f2.is_open()); | |
81 | } | |
82 | TEST(f); | |
83 | std::string s; | |
84 | TEST(f >> s); | |
85 | TEST(s == "World"); | |
86 | } | |
87 | TEST(nw::remove(filename.c_str()) == 0); | |
88 | } | |
89 | ||
90 | nw::ofstream make_ofstream(const std::string& filename) | |
91 | { | |
92 | nw::ofstream f(filename); | |
93 | TEST(f); | |
94 | TEST(f << "Hello"); | |
95 | return f; | |
96 | } | |
97 | ||
98 | void test_ofstream(const std::string& filename) | |
99 | { | |
100 | // Move construct | |
101 | { | |
102 | nw::ofstream f = make_ofstream(filename); | |
103 | TEST(f); | |
104 | TEST(f << " world"); | |
105 | f.close(); | |
106 | TEST(get_file_contents(filename) == "Hello world"); | |
107 | } | |
108 | // Move assign | |
109 | { | |
110 | nw::ofstream f; | |
111 | { | |
112 | nw::ofstream f2 = make_ofstream(filename); | |
113 | f = std::move(f2); | |
114 | } | |
115 | TEST(f); | |
116 | TEST(f << " world"); | |
117 | f.close(); | |
118 | TEST(get_file_contents(filename) == "Hello world"); | |
119 | } | |
120 | // Swap | |
121 | { | |
122 | nw::ofstream f; | |
123 | { | |
124 | nw::ofstream f2 = make_ofstream(filename); | |
125 | swap(f, f2); | |
126 | TEST(!f2.is_open()); | |
127 | } | |
128 | TEST(f); | |
129 | TEST(f << " world"); | |
130 | f.close(); | |
131 | TEST(get_file_contents(filename) == "Hello world"); | |
132 | } | |
133 | TEST(nw::remove(filename.c_str()) == 0); | |
134 | } | |
135 | ||
136 | nw::fstream make_fstream(const std::string& filename) | |
137 | { | |
138 | create_file(filename, ""); | |
139 | nw::fstream f(filename); | |
140 | TEST(f << "Hello"); | |
141 | return f; | |
142 | } | |
143 | ||
144 | void test_fstream(const std::string& filename) | |
145 | { | |
146 | // Move construct | |
147 | { | |
148 | nw::fstream f = make_fstream(filename); | |
149 | TEST(f); | |
150 | TEST(f << " world"); | |
151 | f.seekg(0); | |
152 | TEST(get_file_contents(f) == "Hello world"); | |
153 | } | |
154 | // Move assign | |
155 | { | |
156 | nw::fstream f; | |
157 | { | |
158 | nw::fstream f2 = make_fstream(filename); | |
159 | f = std::move(f2); | |
160 | } | |
161 | TEST(f); | |
162 | TEST(f << " world"); | |
163 | f.seekg(0); | |
164 | TEST(get_file_contents(f) == "Hello world"); | |
165 | } | |
166 | // Swap | |
167 | { | |
168 | nw::fstream f; | |
169 | { | |
170 | nw::fstream f2 = make_fstream(filename); | |
171 | swap(f, f2); | |
172 | TEST(!f2.is_open()); | |
173 | } | |
174 | TEST(f); | |
175 | TEST(f << " world"); | |
176 | f.seekg(0); | |
177 | TEST(get_file_contents(f) == "Hello world"); | |
178 | } | |
179 | TEST(nw::remove(filename.c_str()) == 0); | |
180 | } | |
181 | ||
182 | void test_main(int, char** argv, char**) | |
183 | { | |
184 | const std::string exampleFilename = std::string(argv[0]) + "-\xd7\xa9-\xd0\xbc-\xce\xbd.txt"; | |
185 | test_ifstream(exampleFilename); | |
186 | test_ofstream(exampleFilename); | |
187 | test_fstream(exampleFilename); | |
188 | } |