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// -*- C++ -*-
//===-- uninitialized_fill_destroy.pass.cpp -------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14
#include "support/pstl_test_config.h"
#include <execution>
#include <memory>
#include "support/utils.h"
using namespace TestUtils;
struct test_uninitialized_fill_destroy
{
template <typename Policy, typename Iterator, typename T>
void
operator()(Policy&& exec, Iterator first, Iterator last, const T& in, std::size_t n, std::false_type)
{
using namespace std;
{
T::SetCount(0);
uninitialized_fill(exec, first, last, in);
size_t count = count_if(first, last, [&in](T& x) -> bool { return x == in; });
EXPECT_TRUE(n == count, "wrong work of uninitialized_fill");
destroy(exec, first, last);
EXPECT_TRUE(T::Count() == 0, "wrong work of destroy");
}
{
auto res = uninitialized_fill_n(exec, first, n, in);
EXPECT_TRUE(res == last, "wrong result of uninitialized_fill_n");
size_t count = count_if(first, last, [&in](T& x) -> bool { return x == in; });
EXPECT_TRUE(n == count, "wrong work of uninitialized_fill_n");
destroy_n(exec, first, n);
EXPECT_TRUE(T::Count() == 0, "wrong work of destroy_n");
}
}
template <typename Policy, typename Iterator, typename T>
void
operator()(Policy&& exec, Iterator first, Iterator last, const T& in, std::size_t n, std::true_type)
{
using namespace std;
{
destroy(exec, first, last);
uninitialized_fill(exec, first, last, in);
size_t count = count_if(first, last, [&in](T& x) -> bool { return x == in; });
EXPECT_EQ(n, count, "wrong work of uninitialized:_fill");
}
{
destroy_n(exec, first, n);
auto res = uninitialized_fill_n(exec, first, n, in);
size_t count = count_if(first, last, [&in](T& x) -> bool { return x == in; });
EXPECT_EQ(n, count, "wrong work of uninitialized_fill_n");
EXPECT_TRUE(res == last, "wrong result of uninitialized_fill_n");
}
}
};
template <typename T>
void
test_uninitialized_fill_destroy_by_type()
{
std::size_t N = 100000;
for (size_t n = 0; n <= N; n = n <= 16 ? n + 1 : size_t(3.1415 * n))
{
std::unique_ptr<T[]> p(new T[n]);
invoke_on_all_policies(test_uninitialized_fill_destroy(), p.get(), std::next(p.get(), n), T(), n,
std::is_trivial<T>());
}
}
int32_t
main()
{
// for trivial types
test_uninitialized_fill_destroy_by_type<int32_t>();
test_uninitialized_fill_destroy_by_type<float64_t>();
// for user-defined types
test_uninitialized_fill_destroy_by_type<Wrapper<std::string>>();
test_uninitialized_fill_destroy_by_type<Wrapper<int8_t*>>();
std::cout << done() << std::endl;
return 0;
}
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