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.beam.sdk.extensions.sql.impl.utils;
  
  import static org.junit.Assert.assertNotNull;
  
  import java.math.BigDecimal;
  import org.apache.beam.sdk.schemas.Schema.TypeName;
  import org.apache.beam.sdk.transforms.SerializableFunction;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.rules.ExpectedException;
  
  /** Unit tests for {@link BigDecimalConverter}. */
  public class BigDecimalConverterTest {
  
    @Rule public ExpectedException thrown = ExpectedException.none();
  
    @Test
    public void testReturnsConverterForNumericTypes() {
      for (TypeName numericType : TypeName.NUMERIC_TYPES) {
        SerializableFunction<BigDecimal, ? extends Number> converter =
            BigDecimalConverter.forSqlType(numericType);
  
        assertNotNull(converter);
        assertNotNull(converter.apply(BigDecimal.TEN));
      }
    }
  
    @Test
    public void testThrowsForUnsupportedTypes() {
      thrown.expect(UnsupportedOperationException.class);
      BigDecimalConverter.forSqlType(TypeName.STRING);
    }
  }
  