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//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// basic_string(const basic_string<charT,traits,Allocator>& str,
// size_type pos, size_type n = npos,
// const Allocator& a = Allocator());
#include <string>
#include <stdexcept>
#include <algorithm>
#include <cassert>
#include "../test_allocator.h"
template <class S>
void
test(S str, unsigned pos)
{
typedef typename S::traits_type T;
typedef typename S::allocator_type A;
try
{
S s2(str, pos);
assert(s2.__invariants());
assert(pos <= str.size());
unsigned rlen = str.size() - pos;
assert(s2.size() == rlen);
assert(T::compare(s2.data(), str.data() + pos, rlen) == 0);
assert(s2.get_allocator() == A());
assert(s2.capacity() >= s2.size());
}
catch (std::out_of_range&)
{
assert(pos > str.size());
}
}
template <class S>
void
test(S str, unsigned pos, unsigned n)
{
typedef typename S::traits_type T;
typedef typename S::allocator_type A;
try
{
S s2(str, pos, n);
assert(s2.__invariants());
assert(pos <= str.size());
unsigned rlen = std::min(str.size() - pos, n);
assert(s2.size() == rlen);
assert(T::compare(s2.data(), str.data() + pos, rlen) == 0);
assert(s2.get_allocator() == A());
assert(s2.capacity() >= s2.size());
}
catch (std::out_of_range&)
{
assert(pos > str.size());
}
}
template <class S>
void
test(S str, unsigned pos, unsigned n, const typename S::allocator_type& a)
{
typedef typename S::traits_type T;
typedef typename S::allocator_type A;
try
{
S s2(str, pos, n, a);
assert(s2.__invariants());
assert(pos <= str.size());
unsigned rlen = std::min(str.size() - pos, n);
assert(s2.size() == rlen);
assert(T::compare(s2.data(), str.data() + pos, rlen) == 0);
assert(s2.get_allocator() == a);
assert(s2.capacity() >= s2.size());
}
catch (std::out_of_range&)
{
assert(pos > str.size());
}
}
int main()
{
typedef test_allocator<char> A;
typedef std::basic_string<char, std::char_traits<char>, A> S;
test(S(A(3)), 0);
test(S(A(3)), 1);
test(S("1", A(5)), 0);
test(S("1", A(5)), 1);
test(S("1", A(5)), 2);
test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 0);
test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 5);
test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50);
test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 500);
test(S(A(3)), 0, 0);
test(S(A(3)), 0, 1);
test(S(A(3)), 1, 0);
test(S(A(3)), 1, 1);
test(S(A(3)), 1, 2);
test(S("1", A(5)), 0, 0);
test(S("1", A(5)), 0, 1);
test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 0);
test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 1);
test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 10);
test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 100);
test(S(A(3)), 0, 0, A(4));
test(S(A(3)), 0, 1, A(4));
test(S(A(3)), 1, 0, A(4));
test(S(A(3)), 1, 1, A(4));
test(S(A(3)), 1, 2, A(4));
test(S("1", A(5)), 0, 0, A(6));
test(S("1", A(5)), 0, 1, A(6));
test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 0, A(8));
test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 1, A(8));
test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 10, A(8));
test(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)), 50, 100, A(8));
}
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