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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // <string>
     11 
     12 // void clear();
     13 
     14 #include <string>
     15 #include <cassert>
     16 
     17 #include "min_allocator.h"
     18 
     19 template <class S>
     20 void
     21 test(S s)
     22 {
     23     s.clear();
     24     assert(s.size() == 0);
     25 }
     26 
     27 int main()
     28 {
     29     {
     30     typedef std::string S;
     31     S s;
     32     test(s);
     33 
     34     s.assign(10, 'a');
     35     s.erase(5);
     36     test(s);
     37 
     38     s.assign(100, 'a');
     39     s.erase(50);
     40     test(s);
     41     }
     42 #if TEST_STD_VER >= 11
     43     {
     44     typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
     45     S s;
     46     test(s);
     47 
     48     s.assign(10, 'a');
     49     s.erase(5);
     50     test(s);
     51 
     52     s.assign(100, 'a');
     53     s.erase(50);
     54     test(s);
     55     }
     56 #endif
     57 }
     58