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.text.lookup;
19
20 import static org.junit.jupiter.api.Assertions.assertThrows;
21 import static org.junit.jupiter.api.Assertions.assertTrue;
22
23 import org.apache.commons.lang3.ArrayUtils;
24 import org.junit.jupiter.api.Assertions;
25 import org.junit.jupiter.api.Test;
26
27 /**
28 * Tests {@link JavaPlatformStringLookup}.
29 */
30 class JavaPlatformStringLookupTest {
31
32 @Test
33 void testBadKey() {
34 assertThrows(IllegalArgumentException.class, () -> JavaPlatformStringLookup.INSTANCE.apply("BADKEY"));
35 }
36
37 @Test
38 void testMain() {
39 JavaPlatformStringLookup.main(ArrayUtils.EMPTY_STRING_ARRAY);
40 }
41
42 @Test
43 void testNull() {
44 Assertions.assertNull(JavaPlatformStringLookup.INSTANCE.apply(null));
45 }
46
47 @Test
48 void testToString() {
49 // does not blow up and gives some kind of string.
50 Assertions.assertFalse(JavaPlatformStringLookup.INSTANCE.toString().isEmpty());
51 }
52
53 @Test
54 void testVm() {
55 final String key = "vm";
56 assertTrue(JavaPlatformStringLookup.INSTANCE.apply(key).contains(System.getProperty("java.vm.name")));
57 }
58
59 }