1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * https://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.lang3.function;
19
20 import static org.junit.jupiter.api.Assertions.assertEquals;
21 import static org.junit.jupiter.api.Assertions.assertThrows;
22
23 import java.io.IOException;
24
25 import org.apache.commons.lang3.AbstractLangTest;
26 import org.junit.jupiter.api.Test;
27
28 /**
29 * Tests {@link FailableIntBinaryOperator}.
30 */
31 class FailableIntBinaryOperatorTest extends AbstractLangTest {
32
33 @Test
34 void testApplyAsInt_returnsResult() throws IOException {
35 final FailableIntBinaryOperator<IOException> op = (a, b) -> a + b;
36 assertEquals(7, op.applyAsInt(3, 4));
37 }
38
39 @Test
40 void testApplyAsInt_throwsException() {
41 final IOException expected = new IOException("fail");
42 final FailableIntBinaryOperator<IOException> op = (a, b) -> {
43 throw expected;
44 };
45 final IOException thrown = assertThrows(IOException.class, () -> op.applyAsInt(1, 2));
46 assertEquals(expected, thrown);
47 }
48 }