1 // { dg-require-namedlocale "es_MX.ISO8859-1" }
2 
3 // 2000-08-31 Benjamin Kosnik <bkoz@redhat.com>
4 
5 // Copyright (C) 2000-2021 Free Software Foundation, Inc.
6 //
7 // This file is part of the GNU ISO C++ Library.  This library is free
8 // software; you can redistribute it and/or modify it under the
9 // terms of the GNU General Public License as published by the
10 // Free Software Foundation; either version 3, or (at your option)
11 // any later version.
12 
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 // GNU General Public License for more details.
17 
18 // You should have received a copy of the GNU General Public License along
19 // with this library; see the file COPYING3.  If not see
20 // <http://www.gnu.org/licenses/>.
21 
22 // 22.1.1.1.2 - class locale::facet [lib.locale.facet]
23 
24 #include <cwchar> // for mbstate_t
25 #include <locale>
26 #include <stdexcept>
27 #include <string>
28 #include <iterator>
29 #include <limits>
30 #include <testsuite_hooks.h>
31 
32 // Static counter for use in checking ctors/dtors.
33 static std::size_t counter;
34 
35 class surf : public std::locale::facet
36 {
37 public:
38   static std::locale::id 	       	id;
surf(size_t refs=0)39   surf(size_t refs = 0): std::locale::facet(refs) { ++counter; }
~surf()40   ~surf() { --counter; }
41 };
42 
43 std::locale::id surf::id;
44 
45 typedef surf facet_type;
46 
test02()47 void test02()
48 {
49   using namespace std;
50 
51   // 1: Destroyed when out of scope.
52   VERIFY( counter == 0 );
53   {
54     locale loc01(locale::classic(), new facet_type);
55     VERIFY( counter == 1 );
56   }
57   VERIFY( counter == 0 );
58 
59   // 2: Not destroyed when out of scope, deliberately leaked.
60   VERIFY( counter == 0 );
61   {
62     // Default refs argument is zero.
63     locale loc02(locale::classic(), new facet_type(1));
64     VERIFY( counter == 1 );
65   }
66   VERIFY( counter == 1 );
67 
68   // 3: Pathological.
69   counter = 0;
70   {
71     // Test bounds.
72     facet_type* f = new facet_type(numeric_limits<size_t>::max());
73     VERIFY( counter == 1 );
74     // Add a reference.
75     locale loc01(locale::classic(), f);
76     {
77       // Add another reference...
78       locale loc02(locale::classic(), f);
79     }
80     VERIFY( counter == 1 );
81   }
82 
83   // 4: Named locale should destroy facets when it goes out of scope.
84   // Not quite sure how to test for this w/o valgrind at the moment.
85   {
86     locale loc03 = locale(ISO_8859(1,es_MX));
87   }
88 }
89 
main()90 int main ()
91 {
92   test02();
93   return 0;
94 }
95