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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <string>
// basic_string(size_type n, charT c, const Allocator& a = Allocator()); // constexpr since C++20
#include <string>
#include <stdexcept>
#include <algorithm>
#include <cassert>
#include <cstddef>
#include "test_macros.h"
#include "test_allocator.h"
#include "min_allocator.h"
template <class charT>
TEST_CONSTEXPR_CXX20 void
test(unsigned n, charT c)
{
typedef std::basic_string<charT, std::char_traits<charT>, test_allocator<charT> > S;
typedef typename S::allocator_type A;
S s2(n, c);
LIBCPP_ASSERT(s2.__invariants());
assert(s2.size() == n);
for (unsigned i = 0; i < n; ++i)
assert(s2[i] == c);
assert(s2.get_allocator() == A());
assert(s2.capacity() >= s2.size());
}
template <class charT, class A>
TEST_CONSTEXPR_CXX20 void
test(unsigned n, charT c, const A& a)
{
typedef std::basic_string<charT, std::char_traits<charT>, A> S;
S s2(n, c, a);
LIBCPP_ASSERT(s2.__invariants());
assert(s2.size() == n);
for (unsigned i = 0; i < n; ++i)
assert(s2[i] == c);
assert(s2.get_allocator() == a);
assert(s2.capacity() >= s2.size());
}
template <class Tp>
TEST_CONSTEXPR_CXX20 void
test(Tp n, Tp c)
{
typedef char charT;
typedef std::basic_string<charT, std::char_traits<charT>, test_allocator<charT> > S;
typedef typename S::allocator_type A;
S s2(n, c);
LIBCPP_ASSERT(s2.__invariants());
assert(s2.size() == static_cast<std::size_t>(n));
for (int i = 0; i < n; ++i)
assert(s2[i] == c);
assert(s2.get_allocator() == A());
assert(s2.capacity() >= s2.size());
}
template <class Tp, class A>
TEST_CONSTEXPR_CXX20 void
test(Tp n, Tp c, const A& a)
{
typedef char charT;
typedef std::basic_string<charT, std::char_traits<charT>, A> S;
S s2(n, c, a);
LIBCPP_ASSERT(s2.__invariants());
assert(s2.size() == static_cast<std::size_t>(n));
for (int i = 0; i < n; ++i)
assert(s2[i] == c);
assert(s2.get_allocator() == a);
assert(s2.capacity() >= s2.size());
}
TEST_CONSTEXPR_CXX20 bool test() {
{
typedef test_allocator<char> A;
test(0, 'a');
test(0, 'a', A(2));
test(1, 'a');
test(1, 'a', A(2));
test(10, 'a');
test(10, 'a', A(2));
test(100, 'a');
test(100, 'a', A(2));
test(static_cast<char>(100), static_cast<char>(65));
test(static_cast<char>(100), static_cast<char>(65), A(3));
}
#if TEST_STD_VER >= 11
{
typedef min_allocator<char> A;
test(0, 'a');
test(0, 'a', A());
test(1, 'a');
test(1, 'a', A());
test(10, 'a');
test(10, 'a', A());
test(100, 'a');
test(100, 'a', A());
test(static_cast<char>(100), static_cast<char>(65));
test(static_cast<char>(100), static_cast<char>(65), A());
}
#endif
return true;
}
int main(int, char**)
{
test();
#if TEST_STD_VER > 17
static_assert(test());
#endif
return 0;
}
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