52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
// Copyright (c) 2023 CINN Authors. All Rights Reserved.
|
|
//
|
|
// 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 "paddle/cinn/common/topo_walker.h"
|
|
|
|
#include <glog/logging.h>
|
|
#include <gtest/gtest.h>
|
|
|
|
namespace cinn {
|
|
namespace common {
|
|
|
|
TEST(TopoWalker, simple) {
|
|
std::vector<std::pair<int, int>> edges{
|
|
{0, 3}, {1, 2}, {1, 3}, {2, 3}, {3, 4}};
|
|
TopoWalker<int> visitor(
|
|
[&](int node, const std::function<void(int)>& NodeHandler) {
|
|
for (const auto& pair : edges) {
|
|
if (pair.second == node) {
|
|
NodeHandler(pair.first);
|
|
}
|
|
}
|
|
},
|
|
[&](int node, const std::function<void(int)>& NodeHandler) {
|
|
for (const auto& pair : edges) {
|
|
if (pair.first == node) {
|
|
NodeHandler(pair.second);
|
|
}
|
|
}
|
|
});
|
|
std::vector<int> sources{0, 1};
|
|
std::vector<int> outputs;
|
|
visitor(sources.begin(), sources.end(), [&](int node) {
|
|
outputs.push_back(node);
|
|
});
|
|
std::vector<int> expected{0, 1, 2, 3, 4};
|
|
EXPECT_TRUE((outputs == expected));
|
|
}
|
|
|
|
} // namespace common
|
|
} // namespace cinn
|