wehub-resource-sync
73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
// Copyright (c) 2023 CINN Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "paddle/cinn/common/dfs_walker.h"
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#include <glog/logging.h>
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#include <gtest/gtest.h>
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namespace cinn {
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namespace common {
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TEST(DfsWalker, simple_on_push) {
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DfsWalker<int> visitor(
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[](int node, const std::function<void(int)>& NodeHandler) {
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if (node == 0) {
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NodeHandler(3);
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} else if (node == 1) {
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NodeHandler(2);
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NodeHandler(3);
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} else if (node == 2 || node == 3) {
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NodeHandler(4);
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}
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});
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std::vector<int> sources{0, 1};
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std::vector<int> outputs;
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visitor(sources.begin(), sources.end(), [&](int node) {
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LOG(ERROR) << node;
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outputs.push_back(node);
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});
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std::vector<int> expected{0, 3, 4, 1, 2};
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EXPECT_TRUE((outputs == expected));
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}
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TEST(DfsWalker, simple_on_pop) {
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DfsWalker<int> visitor(
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[](int node, const std::function<void(int)>& NodeHandler) {
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if (node == 0) {
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NodeHandler(3);
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} else if (node == 1) {
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NodeHandler(2);
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NodeHandler(3);
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} else if (node == 2 || node == 3) {
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NodeHandler(4);
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}
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});
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std::vector<int> sources{0, 1};
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std::vector<int> outputs;
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visitor(
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sources.begin(),
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sources.end(),
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[](int) {},
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[&](int node) {
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LOG(ERROR) << node;
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outputs.push_back(node);
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});
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std::vector<int> expected{4, 3, 0, 2, 1};
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EXPECT_TRUE((outputs == expected));
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}
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} // namespace common
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} // namespace cinn
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