blob: 723c1256a731528db9ac66d37377d00ccbeaa1f2 [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <string>
// void resize(size_type n);
#include <string>
#include <stdexcept>
#include <cassert>
template <class S>
void
test(S s, typename S::size_type n, S expected)
{
try
{
s.resize(n);
assert(s.__invariants());
assert(n <= s.max_size());
assert(s == expected);
}
catch (std::length_error&)
{
assert(n > s.max_size());
}
}
int main()
{
typedef std::string S;
test(S(), 0, S());
test(S(), 1, S(1, '\0'));
test(S(), 10, S(10, '\0'));
test(S(), 100, S(100, '\0'));
test(S("12345"), 0, S());
test(S("12345"), 2, S("12"));
test(S("12345"), 5, S("12345"));
test(S("12345"), 15, S("12345\0\0\0\0\0\0\0\0\0\0", 15));
test(S("12345678901234567890123456789012345678901234567890"), 0, S());
test(S("12345678901234567890123456789012345678901234567890"), 10,
S("1234567890"));
test(S("12345678901234567890123456789012345678901234567890"), 50,
S("12345678901234567890123456789012345678901234567890"));
test(S("12345678901234567890123456789012345678901234567890"), 60,
S("12345678901234567890123456789012345678901234567890\0\0\0\0\0\0\0\0\0\0", 60));
test(S(), S::npos, S("not going to happen"));
}