cxx/test/strings/basic.string/string.cons/iter_alloc.pass.cpp
2010-05-11 21:36:01 +00:00

88 lines
2.7 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// template<class InputIterator>
// basic_string(InputIterator begin, InputIterator end,
// const Allocator& a = Allocator());
#include <string>
#include <iterator>
#include <cassert>
#include "../test_allocator.h"
#include "../input_iterator.h"
template <class It>
void
test(It first, It last)
{
typedef typename std::iterator_traits<It>::value_type charT;
typedef std::basic_string<charT, std::char_traits<charT>, test_allocator<charT> > S;
typedef typename S::traits_type T;
typedef typename S::allocator_type A;
S s2(first, last);
assert(s2.__invariants());
assert(s2.size() == std::distance(first, last));
unsigned i = 0;
for (It it = first; it != last; ++it, ++i)
assert(s2[i] == *it);
assert(s2.get_allocator() == A());
assert(s2.capacity() >= s2.size());
}
template <class It>
void
test(It first, It last, const test_allocator<typename std::iterator_traits<It>::value_type>& a)
{
typedef typename std::iterator_traits<It>::value_type charT;
typedef std::basic_string<charT, std::char_traits<charT>, test_allocator<charT> > S;
typedef typename S::traits_type T;
typedef typename S::allocator_type A;
S s2(first, last, a);
assert(s2.__invariants());
assert(s2.size() == std::distance(first, last));
unsigned i = 0;
for (It it = first; it != last; ++it, ++i)
assert(s2[i] == *it);
assert(s2.get_allocator() == a);
assert(s2.capacity() >= s2.size());
}
int main()
{
typedef test_allocator<char> A;
const char* s = "12345678901234567890123456789012345678901234567890";
test(s, s);
test(s, s, A(2));
test(s, s+1);
test(s, s+1, A(2));
test(s, s+10);
test(s, s+10, A(2));
test(s, s+50);
test(s, s+50, A(2));
test(input_iterator<const char*>(s), input_iterator<const char*>(s));
test(input_iterator<const char*>(s), input_iterator<const char*>(s), A(2));
test(input_iterator<const char*>(s), input_iterator<const char*>(s+1));
test(input_iterator<const char*>(s), input_iterator<const char*>(s+1), A(2));
test(input_iterator<const char*>(s), input_iterator<const char*>(s+10));
test(input_iterator<const char*>(s), input_iterator<const char*>(s+10), A(2));
test(input_iterator<const char*>(s), input_iterator<const char*>(s+50));
test(input_iterator<const char*>(s), input_iterator<const char*>(s+50), A(2));
}