3491119f9b
Mostly unused parameter, unused local typedefs and shadowed declarations. This massaging it necessary if we want to be able to run the tests under the libc++ lit configuration. llvm-svn: 363872
104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
// -*- C++ -*-
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//===-- generate.pass.cpp -------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "support/pstl_test_config.h"
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#include <atomic>
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#include <execution>
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#include <algorithm>
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#include "support/utils.h"
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using namespace TestUtils;
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template <typename T>
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struct Generator_count
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{
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const T def_val = T(-1);
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T
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operator()()
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{
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return def_val;
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}
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T
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default_value() const
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{
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return def_val;
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}
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};
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struct test_generate
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{
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template <typename Policy, typename Iterator, typename Size>
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void
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operator()(Policy&& exec, Iterator first, Iterator last, Size n)
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{
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using namespace std;
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typedef typename std::iterator_traits<Iterator>::value_type T;
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// Try random-access iterator
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{
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Generator_count<T> g;
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generate(exec, first, last, g);
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Size count = std::count(first, last, g.default_value());
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EXPECT_TRUE(count == n, "generate wrong result for generate");
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std::fill(first, last, T(0));
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}
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{
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Generator_count<T> g;
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const auto m = n / 2;
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auto actual_last = generate_n(exec, first, m, g);
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Size count = std::count(first, actual_last, g.default_value());
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EXPECT_TRUE(count == m && actual_last == std::next(first, m),
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"generate_n wrong result for generate_n");
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std::fill(first, actual_last, T(0));
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}
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}
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};
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template <typename T>
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void
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test_generate_by_type()
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{
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for (size_t n = 0; n <= 100000; n = n < 16 ? n + 1 : size_t(3.1415 * n))
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{
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Sequence<T> in(n, [](size_t) -> T { return T(0); }); //fill by zero
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invoke_on_all_policies(test_generate(), in.begin(), in.end(), in.size());
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}
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}
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template <typename T>
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struct test_non_const
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{
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template <typename Policy, typename Iterator>
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void
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operator()(Policy&& exec, Iterator iter)
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{
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auto gen = []() { return T(0); };
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generate(exec, iter, iter, non_const(gen));
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generate_n(exec, iter, 0, non_const(gen));
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}
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};
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int32_t
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main()
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{
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test_generate_by_type<int32_t>();
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test_generate_by_type<float64_t>();
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test_algo_basic_single<int32_t>(run_for_rnd_fw<test_non_const<int32_t>>());
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std::cout << done() << std::endl;
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return 0;
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}
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