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 // <locale>
10
11 // wbuffer_convert<Codecvt, Elem, Tr>
12
13 // wbuffer_convert(streambuf *bytebuf = 0, Codecvt *pcvt = new Codecvt,
14 // state_type state = state_type());
15
16 #include <locale>
17 #include <codecvt>
18 #include <sstream>
19 #include <cassert>
20
21 #include "test_macros.h"
22 #include "count_new.h"
23
main(int,char **)24 int main(int, char**)
25 {
26 globalMemCounter.reset();
27 typedef std::wbuffer_convert<std::codecvt_utf8<wchar_t> > B;
28 #if TEST_STD_VER > 11
29 static_assert(!std::is_convertible<std::streambuf*, B>::value, "");
30 static_assert( std::is_constructible<B, std::streambuf*>::value, "");
31 #endif
32 {
33 B b;
34 assert(b.rdbuf() == nullptr);
35 assert(globalMemCounter.checkOutstandingNewNotEq(0));
36 }
37 assert(globalMemCounter.checkOutstandingNewEq(0));
38 {
39 std::stringstream s;
40 B b(s.rdbuf());
41 assert(b.rdbuf() == s.rdbuf());
42 assert(globalMemCounter.checkOutstandingNewNotEq(0));
43 }
44 assert(globalMemCounter.checkOutstandingNewEq(0));
45 {
46 std::stringstream s;
47 B b(s.rdbuf(), new std::codecvt_utf8<wchar_t>);
48 assert(b.rdbuf() == s.rdbuf());
49 assert(globalMemCounter.checkOutstandingNewNotEq(0));
50 }
51 assert(globalMemCounter.checkOutstandingNewEq(0));
52 {
53 std::stringstream s;
54 B b(s.rdbuf(), new std::codecvt_utf8<wchar_t>, std::mbstate_t());
55 assert(b.rdbuf() == s.rdbuf());
56 assert(globalMemCounter.checkOutstandingNewNotEq(0));
57 }
58 assert(globalMemCounter.checkOutstandingNewEq(0));
59
60 return 0;
61 }
62