/*
 * Copyright 2014-present Facebook, Inc.
 *
 * 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.facebook.buck.apple.xcode.xcodeproj;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;

import com.google.common.collect.ImmutableList;

import org.junit.Test;

/**
 * Unit tests for {@link FileTypes}.
 */
public class FileTypesTest {
  @Test
  public void testFileExtensionsContainNoDots() {
    for (String fileExtension : FileTypes.FILE_EXTENSION_TO_UTI.keySet()) {
      assertFalse(fileExtension.contains("."));
    }
  }

  @Test
  public void testFileExtensionMapsToUTI() {
    assertEquals(FileTypes.FILE_EXTENSION_TO_UTI.get("cpp"), "sourcecode.cpp.cpp");
  }

  @Test
  public void testUTIMapsToSingleFileExtension() {
    assertEquals(FileTypes.UTI_TO_FILE_EXTENSIONS.get("image.pdf"), ImmutableList.of("pdf"));
  }

  @Test
  public void testUTIMapsToMultipleSingleFileExtensions() {
    assertEquals(
        FileTypes.UTI_TO_FILE_EXTENSIONS.get("sourcecode.cpp.cpp"),
        ImmutableList.of("cc", "cpp", "cxx", "tcc"));
  }
}