// Copyright 2015 The Bazel 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.
package com.google.devtools.build.skyframe;

import com.google.common.base.Preconditions;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Tests for {@link InMemoryGraphImpl}. */
@RunWith(JUnit4.class)
public class InMemoryGraphTest extends GraphTest {
  private ProcessableGraph graph;

  @Override
  protected Version getStartingVersion() {
    return IntVersion.of(0);
  }

  @Override
  protected Version getNextVersion(Version v) {
    Preconditions.checkState(v instanceof IntVersion);
    return ((IntVersion) v).next();
  }

  @Override
  protected void makeGraph() {
    graph = new InMemoryGraphImpl();
  }

  @Override
  protected ProcessableGraph getGraph(Version version) {
    return graph;
  }
}