forked from OSchip/llvm-project
131 lines
4.2 KiB
C++
131 lines
4.2 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>
|
|
|
|
// 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));
|
|
}
|