1 //===----------------------------------------------------------------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 // REQUIRES: locale.en_US.UTF-8
43         test_buf<char> f;  in main()  local
44         assert(f.open("overflow.dat", std::ios_base::out) != 0);  in main()
45         assert(f.is_open());  in main()
46         assert(f.pbase() == 0);  in main()
47         assert(f.pptr() == 0);  in main()
48         assert(f.epptr() == 0);  in main()
49         assert(f.overflow('a') == 'a');  in main()
50         assert(f.pbase() != 0);  in main()
51         assert(f.pptr() == f.pbase());  in main()
52         assert(f.epptr() - f.pbase() == 4095);  in main()
55         test_buf<char> f;  in main()  local
56         assert(f.open("overflow.dat", std::ios_base::in) != 0);  in main()
57         assert(f.is_open());  in main()
58         assert(f.sgetc() == 'a');  in main()
62         test_buf<char> f;  in main()  local
63         f.pubsetbuf(0, 0);  in main()
64         assert(f.open("overflow.dat", std::ios_base::out) != 0);  in main()
65         assert(f.is_open());  in main()
66         assert(f.pbase() == 0);  in main()
67         assert(f.pptr() == 0);  in main()
68         assert(f.epptr() == 0);  in main()
69         assert(f.overflow('a') == 'a');  in main()
70         assert(f.pbase() == 0);  in main()
71         assert(f.pptr() == 0);  in main()
72         assert(f.epptr() == 0);  in main()
75         test_buf<char> f;  in main()  local
76         assert(f.open("overflow.dat", std::ios_base::in) != 0);  in main()
77         assert(f.is_open());  in main()
78         assert(f.sgetc() == 'a');  in main()
84         test_buf<wchar_t> f;  in main()  local
85         assert(f.open("overflow.dat", std::ios_base::out) != 0);  in main()
86         assert(f.is_open());  in main()
87         assert(f.pbase() == 0);  in main()
88         assert(f.pptr() == 0);  in main()
89         assert(f.epptr() == 0);  in main()
90         assert(f.overflow(L'a') == L'a');  in main()
91         assert(f.pbase() != 0);  in main()
92         assert(f.pptr() == f.pbase());  in main()
93         assert(f.epptr() - f.pbase() == 4095);  in main()
96         test_buf<wchar_t> f;  in main()  local
97         assert(f.open("overflow.dat", std::ios_base::in) != 0);  in main()
98         assert(f.is_open());  in main()
99         assert(f.sgetc() == L'a');  in main()
103         test_buf<wchar_t> f;  in main()  local
104         f.pubsetbuf(0, 0);  in main()
105         assert(f.open("overflow.dat", std::ios_base::out) != 0);  in main()
106         assert(f.is_open());  in main()
107         assert(f.pbase() == 0);  in main()
108         assert(f.pptr() == 0);  in main()
109         assert(f.epptr() == 0);  in main()
110         assert(f.overflow(L'a') == L'a');  in main()
111         assert(f.pbase() == 0);  in main()
112         assert(f.pptr() == 0);  in main()
113         assert(f.epptr() == 0);  in main()
116         test_buf<wchar_t> f;  in main()  local
117         assert(f.open("overflow.dat", std::ios_base::in) != 0);  in main()
118         assert(f.is_open());  in main()
119         assert(f.sgetc() == L'a');  in main()
123         test_buf<wchar_t> f;  in main()  local
124         f.pubimbue(std::locale(LOCALE_en_US_UTF_8));  in main()
125         assert(f.open("overflow.dat", std::ios_base::out) != 0);  in main()
126         assert(f.sputc(0x4E51) == 0x4E51);  in main()
127         assert(f.sputc(0x4E52) == 0x4E52);  in main()
128         assert(f.sputc(0x4E53) == 0x4E53);  in main()
131         test_buf<char> f;  in main()  local
132         assert(f.open("overflow.dat", std::ios_base::in) != 0);  in main()
133         assert(f.is_open());  in main()
134         assert(f.sbumpc() == 0xE4);  in main()
135         assert(f.sbumpc() == 0xB9);  in main()
136         assert(f.sbumpc() == 0x91);  in main()
137         assert(f.sbumpc() == 0xE4);  in main()
138         assert(f.sbumpc() == 0xB9);  in main()
139         assert(f.sbumpc() == 0x92);  in main()
140         assert(f.sbumpc() == 0xE4);  in main()
141         assert(f.sbumpc() == 0xB9);  in main()
142         assert(f.sbumpc() == 0x93);  in main()
143         assert(f.sbumpc() == -1);  in main()