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

68 lines
1.8 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// basic_string(const charT* s, size_type n, const Allocator& a = Allocator());
#include <string>
#include <stdexcept>
#include <algorithm>
#include <cassert>
#include "../test_allocator.h"
template <class charT>
void
test(const charT* s, unsigned n)
{
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(s, n);
assert(s2.__invariants());
assert(s2.size() == n);
assert(T::compare(s2.data(), s, n) == 0);
assert(s2.get_allocator() == A());
assert(s2.capacity() >= s2.size());
}
template <class charT>
void
test(const charT* s, unsigned n, const test_allocator<charT>& a)
{
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(s, n, a);
assert(s2.__invariants());
assert(s2.size() == n);
assert(T::compare(s2.data(), s, n) == 0);
assert(s2.get_allocator() == a);
assert(s2.capacity() >= s2.size());
}
int main()
{
typedef test_allocator<char> A;
typedef std::basic_string<char, std::char_traits<char>, A> S;
test("", 0);
test("", 0, A(2));
test("1", 1);
test("1", 1, A(2));
test("1234567980", 10);
test("1234567980", 10, A(2));
test("123456798012345679801234567980123456798012345679801234567980", 60);
test("123456798012345679801234567980123456798012345679801234567980", 60, A(2));
}