content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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 org.apache.arrow.gandiva.evaluator;
  
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import com.google.common.collect.Lists;
  import java.util.Set;
  import org.apache.arrow.gandiva.exceptions.GandivaException;
  import org.apache.arrow.vector.types.pojo.ArrowType;
  import org.junit.jupiter.api.Test;
  
  public class ExpressionRegistryTest {
  
    @Test
    public void testTypes() throws GandivaException {
      Set<ArrowType> types = ExpressionRegistry.getInstance().getSupportedTypes();
      ArrowType.Int uint8 = new ArrowType.Int(8, false);
      assertTrue(types.contains(uint8));
    }
  
    @Test
    public void testFunctions() throws GandivaException {
      ArrowType.Int uint8 = new ArrowType.Int(8, false);
      FunctionSignature signature =
          new FunctionSignature("add", uint8, Lists.newArrayList(uint8, uint8));
      Set<FunctionSignature> functions = ExpressionRegistry.getInstance().getSupportedFunctions();
      assertTrue(functions.contains(signature));
    }
  
    @Test
    public void testFunctionAliases() throws GandivaException {
      ArrowType.Int int64 = new ArrowType.Int(64, true);
      FunctionSignature signature =
          new FunctionSignature("modulo", int64, Lists.newArrayList(int64, int64));
      Set<FunctionSignature> functions = ExpressionRegistry.getInstance().getSupportedFunctions();
      assertTrue(functions.contains(signature));
    }
  
    @Test
    public void testCaseInsensitiveFunctionName() throws GandivaException {
      ArrowType.Utf8 utf8 = new ArrowType.Utf8();
      ArrowType.Int int64 = new ArrowType.Int(64, true);
      FunctionSignature signature =
          new FunctionSignature("castvarchar", utf8, Lists.newArrayList(utf8, int64));
      Set<FunctionSignature> functions = ExpressionRegistry.getInstance().getSupportedFunctions();
      assertTrue(functions.contains(signature));
    }
  }
  