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- //===----------------------------------------------------------------------===//
- //
- // The LLVM Compiler Infrastructure
- //
- // This file is dual licensed under the MIT and the University of Illinois Open
- // Source Licenses. See LICENSE.TXT for details.
- //
- //===----------------------------------------------------------------------===//
- // UNSUPPORTED: libcpp-no-exceptions
- // <string>
- // size_type max_size() const;
- // NOTE: asan and msan will fail for one of two reasons
- // 1. If allocator_may_return_null=0 then they will fail because the allocation
- // returns null.
- // 2. If allocator_may_return_null=1 then they will fail because the allocation
- // is too large to succeed.
- // UNSUPPORTED: sanitizer-new-delete
- #include <string>
- #include <cassert>
- #include "min_allocator.h"
- template <class S>
- void
- test1(const S& s)
- {
- S s2(s);
- const size_t sz = s2.max_size() - 1;
- try { s2.resize(sz, 'x'); }
- catch ( const std::bad_alloc & ) { return ; }
- assert ( s2.size() == sz );
- }
- template <class S>
- void
- test2(const S& s)
- {
- S s2(s);
- const size_t sz = s2.max_size();
- try { s2.resize(sz, 'x'); }
- catch ( const std::bad_alloc & ) { return ; }
- assert ( s.size() == sz );
- }
- template <class S>
- void
- test(const S& s)
- {
- assert(s.max_size() >= s.size());
- test1(s);
- test2(s);
- }
- int main()
- {
- {
- typedef std::string S;
- test(S());
- test(S("123"));
- test(S("12345678901234567890123456789012345678901234567890"));
- }
- #if TEST_STD_VER >= 11
- {
- typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
- test(S());
- test(S("123"));
- test(S("12345678901234567890123456789012345678901234567890"));
- }
- #endif
- }
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