1 // Copyright (C) 2017-2019 Free Software Foundation, Inc.
2 //
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
7 // any later version.
8
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
13
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3. If not see
16 // <http://www.gnu.org/licenses/>.
17
18 // { dg-do run { target c++11 } }
19
20 #include <codecvt>
21 #include <locale>
22 #include <string>
23 #include <testsuite_hooks.h>
24
25 using std::wstring_convert;
26 using std::codecvt_utf8;
27
28 void
test01()29 test01()
30 {
31 std::string src = (const char*)u8"1234\U00001111\U0001ffff";
32 wstring_convert<codecvt_utf8<char16_t>, char16_t> c("bad", u"BAD");
33
34 // utf-8 to ucs2 conversion should fail on character outside BMP
35 auto ucs2 = c.from_bytes(src);
36 VERIFY( ucs2 == u"BAD" );
37 VERIFY( c.converted() == 7 );
38
39 // ucs2 to utf-8 conversion should fail on invalid ucs2 input:
40 std::u16string utf16 = u"1234\U00001111\U0001ffff";
41 auto out = c.to_bytes(utf16);
42 VERIFY( out == "bad" );
43 VERIFY( c.converted() == 5 );
44
45 // And should also fail on incomplete surrogate pair (not return partial):
46 out = c.to_bytes(utf16.substr(0, utf16.size()-1));
47 VERIFY( out == "bad" );
48 VERIFY( c.converted() == 5 );
49 }
50
51 void
test02()52 test02()
53 {
54 std::string src = (const char*)u8"1234\U00001111\U0001ffff";
55 wstring_convert<codecvt_utf8<char16_t, 0x1000>, char16_t> c("bad", u"BAD");
56
57 // utf-8 to ucs2 conversion should fail on character above Maxcode=0x1000
58 auto ucs2 = c.from_bytes(src);
59 VERIFY( ucs2 == u"BAD" );
60 VERIFY( c.converted() == 4 );
61 }
62
63 void
test03()64 test03()
65 {
66 std::string src = (const char*)u8"1234\U00001111\U0001ffff";
67 wstring_convert<codecvt_utf8<char32_t, 0x10000>, char32_t> c("bad", U"BAD");
68
69 // utf-8 to ucs4 conversion should fail on character above Maxcode=0x10000
70 auto ucs4 = c.from_bytes(src);
71 VERIFY( ucs4 == U"BAD" );
72 VERIFY( c.converted() == 7 );
73 }
74
75 void
test04()76 test04()
77 {
78 std::string src = (const char*)u8"1234\U00001111\U0001ffff";
79 wstring_convert<codecvt_utf8<char32_t, 0x1000>, char32_t> c("bad", U"BAD");
80
81 // utf-8 to ucs4 conversion should fail on character above Maxcode=0x1000
82 auto ucs4 = c.from_bytes(src);
83 VERIFY( ucs4 == U"BAD" );
84 VERIFY( c.converted() == 4 );
85 }
86
87 int
main()88 main()
89 {
90 test01();
91 test02();
92 test03();
93 test04();
94 }
95