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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"
#include "asan_testing.h"
template <class Alloc, class charT>
TEST_CONSTEXPR_CXX20 void test(unsigned n, charT c) {
typedef std::basic_string<charT, std::char_traits<charT>, Alloc> S;
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() == Alloc());
assert(s2.capacity() >= s2.size());
LIBCPP_ASSERT(is_string_asan_correct(s2));
}
template <class Alloc, class charT>
TEST_CONSTEXPR_CXX20 void test(unsigned n, charT c, const Alloc& a) {
typedef std::basic_string<charT, std::char_traits<charT>, Alloc> 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());
LIBCPP_ASSERT(is_string_asan_correct(s2));
}
template <class Alloc, class Tp>
TEST_CONSTEXPR_CXX20 void test(Tp n, Tp c) {
typedef char charT;
typedef std::basic_string<charT, std::char_traits<charT>, Alloc> S;
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() == Alloc());
assert(s2.capacity() >= s2.size());
}
template <class Alloc, class Tp>
TEST_CONSTEXPR_CXX20 void test(Tp n, Tp c, const Alloc& a) {
typedef char charT;
typedef std::basic_string<charT, std::char_traits<charT>, Alloc> 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());
}
template <class Alloc>
TEST_CONSTEXPR_CXX20 void test_string(const Alloc& a) {
test<Alloc>(0, 'a');
test<Alloc>(0, 'a', Alloc(a));
test<Alloc>(1, 'a');
test<Alloc>(1, 'a', Alloc(a));
test<Alloc>(10, 'a');
test<Alloc>(10, 'a', Alloc(a));
test<Alloc>(100, 'a');
test<Alloc>(100, 'a', Alloc(a));
test<Alloc>(static_cast<char>(100), static_cast<char>(65));
test<Alloc>(static_cast<char>(100), static_cast<char>(65), a);
}
TEST_CONSTEXPR_CXX20 bool test() {
test_string(std::allocator<char>());
test_string(test_allocator<char>());
test_string(test_allocator<char>(2));
#if TEST_STD_VER >= 11
test_string(min_allocator<char>());
test_string(safe_allocator<char>());
#endif
return true;
}
int main(int, char**) {
test();
#if TEST_STD_VER > 17
static_assert(test());
#endif
return 0;
}
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