content: /*
   * Copyright 2016 HuntBugs contributors
   * 
   * 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 one.util.huntbugs.testdata;
  
  import java.util.Optional;
  import java.util.function.Function;
  
  import one.util.huntbugs.registry.anno.AssertWarning;
  
  /**
   * @author Tagir Valeev
   *
   */
  public class TestReturnNull {
      @AssertWarning("OptionalReturnNull")
      Optional<String> testOptional(int a) {
          Optional<String> x = null;
          if(a > 5)
              return Optional.of(String.valueOf(a));
          return x;
      }
  
      @AssertWarning("BooleanReturnNull")
      Boolean testBoolean(int a) {
          if(a > 5)
              return true;
          return null;
      }
      
      @AssertWarning(value="ArrayReturnNull", minScore = 35)
      public int[] testArray(int a) {
          if(a > 5)
              return new int[] {a};
          return null;
      }
      
      @AssertWarning(value="ArrayReturnNull", maxScore = 30)
      public int[] testArrayNull() {
          return null;
      }
      
      @AssertWarning("OptionalReturnNull")
      String testInLambda(String x) {
          Function<String, Optional<String>> s = y -> null;
          return s.apply(x).get();
      }
  }
  