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efc9f170c9
This is a follow up of D24562. These tests do not check anything but exceptions, so it makes sense to mark them as UNSUPPORTED under a library built without exceptions. Differential Revision: https://reviews.llvm.org/D26075 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@285550 91177308-0d34-0410-b5e6-96231b3b80d8
75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: libcpp-no-exceptions
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// <string>
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// size_type max_size() const;
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// NOTE: asan and msan will fail for one of two reasons
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// 1. If allocator_may_return_null=0 then they will fail because the allocation
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// returns null.
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// 2. If allocator_may_return_null=1 then they will fail because the allocation
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// is too large to succeed.
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// UNSUPPORTED: sanitizer-new-delete
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#include <string>
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#include <cassert>
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#include "min_allocator.h"
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template <class S>
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void
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test1(const S& s)
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{
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S s2(s);
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const size_t sz = s2.max_size() - 1;
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try { s2.resize(sz, 'x'); }
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catch ( const std::bad_alloc & ) { return ; }
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assert ( s2.size() == sz );
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}
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template <class S>
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void
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test2(const S& s)
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{
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S s2(s);
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const size_t sz = s2.max_size();
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try { s2.resize(sz, 'x'); }
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catch ( const std::bad_alloc & ) { return ; }
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assert ( s.size() == sz );
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}
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template <class S>
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void
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test(const S& s)
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{
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assert(s.max_size() >= s.size());
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test1(s);
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test2(s);
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}
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int main()
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{
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{
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typedef std::string S;
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test(S());
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test(S("123"));
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test(S("12345678901234567890123456789012345678901234567890"));
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}
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#if TEST_STD_VER >= 11
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{
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typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
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test(S());
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test(S("123"));
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test(S("12345678901234567890123456789012345678901234567890"));
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}
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#endif
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}
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