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//@HEADER
// ************************************************************************
//
// Kokkos v. 4.0
// Copyright (2022) National Technology & Engineering
// Solutions of Sandia, LLC (NTESS).
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
// See https://kokkos.org/LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//@HEADER
#include <Kokkos_Profiling_ScopedRegion.hpp>
#include <gtest/gtest.h>
#include <string>
#include <stack>
namespace {
std::stack<std::string> test_region_stack;
// NOTE: cannot use lambdas because they can only be converted to function
// pointers if they don't capture anything
void test_push_region(char const *label) { test_region_stack.push(label); }
void test_pop_region() { test_region_stack.pop(); }
TEST(kokkosp, scoped_profile_region) {
Kokkos::Tools::Experimental::set_push_region_callback(test_push_region);
Kokkos::Tools::Experimental::set_pop_region_callback(test_pop_region);
ASSERT_TRUE(test_region_stack.empty());
{
std::string outer_identifier = "outer";
Kokkos::Profiling::ScopedRegion guard_outer(outer_identifier);
ASSERT_EQ(test_region_stack.size(), 1u);
ASSERT_EQ(test_region_stack.top(), outer_identifier);
{
std::string inner_identifier = "inner";
Kokkos::Profiling::ScopedRegion guard_inner(inner_identifier);
ASSERT_EQ(test_region_stack.size(), 2u);
ASSERT_EQ(test_region_stack.top(), inner_identifier);
}
ASSERT_EQ(test_region_stack.size(), 1u);
ASSERT_EQ(test_region_stack.top(), outer_identifier);
}
ASSERT_TRUE(test_region_stack.empty());
// Unset callbacks
Kokkos::Tools::Experimental::set_push_region_callback(nullptr);
Kokkos::Tools::Experimental::set_pop_region_callback(nullptr);
}
using Kokkos::Profiling::ScopedRegion;
static_assert(!std::is_default_constructible_v<ScopedRegion>);
static_assert(!std::is_copy_constructible_v<ScopedRegion>);
static_assert(!std::is_move_constructible_v<ScopedRegion>);
static_assert(!std::is_copy_assignable_v<ScopedRegion>);
static_assert(!std::is_move_assignable_v<ScopedRegion>);
} // namespace
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