| /* |
| * 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.metron.stellar.dsl.functions; |
| |
| import org.junit.jupiter.api.Test; |
| |
| import java.util.Collections; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertNull; |
| |
| public class ConversionFunctionsTest { |
| |
| @Test |
| public void conversionFunctionsShouldProperlyConvertToSpecificType() { |
| assertEquals(1D, new ConversionFunctions.TO_DOUBLE().apply(Collections.singletonList(1))); |
| assertEquals(1F, new ConversionFunctions.TO_FLOAT().apply(Collections.singletonList(1.0D))); |
| assertEquals(1, new ConversionFunctions.TO_INTEGER().apply(Collections.singletonList(1.0D))); |
| assertEquals(1L, new ConversionFunctions.TO_LONG().apply(Collections.singletonList(1F))); |
| } |
| |
| @Test |
| public void conversionFunctionsShouldProperlyHandleNull() { |
| assertNull(new ConversionFunctions.TO_DOUBLE().apply(Collections.singletonList(null))); |
| assertNull(new ConversionFunctions.TO_FLOAT().apply(Collections.singletonList(null))); |
| assertNull(new ConversionFunctions.TO_INTEGER().apply(Collections.singletonList(null))); |
| assertNull(new ConversionFunctions.TO_LONG().apply(Collections.singletonList(null))); |
| } |
| } |