forked from OSchip/llvm-project
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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>
|
|
|
|
#include "min_allocator.h"
|
|
|
|
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"));
|
|
}
|
|
#if __cplusplus >= 201103L
|
|
{
|
|
typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> 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"));
|
|
}
|
|
#endif
|
|
}
|