content: /*
   * Copyright (C) 2012 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 io.airlift.drift.codec.metadata;
  
  import com.google.common.collect.ImmutableList;
  import io.airlift.drift.annotations.ThriftField;
  import org.testng.annotations.Test;
  
  import static io.airlift.drift.codec.metadata.ReflectionHelper.extractParameterNames;
  import static org.testng.Assert.assertEquals;
  
  public class TestReflectionHelper
  {
      @Test
      public void testExtractParameterNamesNoAnnotations()
              throws Exception
      {
          assertEquals(
                  extractParameterNames(getClass().getDeclaredMethod("noAnnotations", String.class, String.class, String.class)),
                  ImmutableList.of("a", "b", "c"));
      }
  
      private static void noAnnotations(String a, String b, String c)
      {
      }
  
      @Test
      public void testExtractParameterNamesThriftFieldAnnotation()
              throws Exception
      {
          assertEquals(
                  extractParameterNames(getClass().getDeclaredMethod("thriftFieldAnnotation", String.class, String.class, String.class)),
                  ImmutableList.of("a", "b", "c"));
      }
  
      private static void thriftFieldAnnotation(
              @ThriftField(name = "a") String arg0,
              @ThriftField(name = "b") String arg1,
              @ThriftField(name = "c") String arg2)
      {
      }
  
      @Test
      public void testExtractParameterNamesMixedThriftFieldAnnotation()
              throws Exception
      {
          assertEquals(
                  extractParameterNames(getClass().getDeclaredMethod("mixedThriftFieldAnnotation", String.class, String.class, String.class)),
                  ImmutableList.of("a", "b", "c"));
      }
  
      private static void mixedThriftFieldAnnotation(
              @ThriftField(name = "a") String arg0,
              String b,
              @ThriftField(name = "c") String arg2)
      {
      }
  }
  