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//*****************************************************************************
// Copyright 2017-2018 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//*****************************************************************************
#include <memory>
#include <sstream>
#include <string>
#include <vector>
#include "gtest/gtest.h"
#include "ngraph/log.hpp"
#include "ngraph/ngraph.hpp"
#include "ngraph/pass/dump_sorted.hpp"
#include "ngraph/pass/liveness.hpp"
#include "ngraph/pass/liveness.hpp"
#include "ngraph/pass/manager.hpp"
#include "ngraph/pass/visualize_tree.hpp"
#include "util/test_tools.hpp"
using namespace std;
using namespace ngraph;
namespace ng = ngraph;
TEST(liveness, constant)
{
Shape shape{1};
auto c = op::Constant::create(element::i32, shape, {5});
auto f = make_shared<Function>(make_shared<op::Negative>(c), op::ParameterVector{});
pass::Manager pass_manager;
pass_manager.register_pass<pass::Liveness>();
pass_manager.run_passes(f);
auto tmp = f->get_ordered_ops();
vector<shared_ptr<Node>> sorted{tmp.begin(), tmp.end()};
ASSERT_EQ(3, sorted.size());
EXPECT_EQ(0, sorted[0]->liveness_new_list.size());
EXPECT_EQ(0, sorted[0]->liveness_free_list.size());
// op::Negative is live on output to op::Result
// op::Negative is new
EXPECT_EQ(1, sorted[1]->liveness_new_list.size());
EXPECT_EQ(0, sorted[1]->liveness_free_list.size());
// op::Negative is live on input to op::Result
EXPECT_EQ(0, sorted[2]->liveness_new_list.size());
// op::Negative is freed
EXPECT_EQ(1, sorted[2]->liveness_free_list.size());
}