/*
 * Copyright 2012 The Error Prone Authors.
 *
 * 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.errorprone.bugpatterns;

import com.google.errorprone.BugCheckerRefactoringTestHelper;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Tests for {@link BareDotMetacharacter}. */
@RunWith(JUnit4.class)
public class BareDotMetacharacterTest {

  private final BugCheckerRefactoringTestHelper refactoringHelper =
      BugCheckerRefactoringTestHelper.newInstance(BareDotMetacharacter.class, getClass());

  @Test
  public void positiveCase() {
    refactoringHelper
        .addInputLines(
            "Test.java",
            """
            import com.google.common.base.Splitter;

            class Test {
              private static final String DOT = ".";
              Object x = "foo.bar".split(".");
              Object y = "foo.bonk".split(DOT);
              Object z = Splitter.onPattern(".");
            }
            """)
        .addOutputLines(
            "Test.java",
            """
            import com.google.common.base.Splitter;

            class Test {
              private static final String DOT = ".";
              Object x = "foo.bar".split("\\\\.");
              Object y = "foo.bonk".split("\\\\.");
              Object z = Splitter.onPattern("\\\\.");
            }
            """)
        .doTest();
  }
}
