]>
Commit | Line | Data |
---|---|---|
f67539c2 TL |
1 | /* |
2 | * Licensed to the Apache Software Foundation (ASF) under one | |
3 | * or more contributor license agreements. See the NOTICE file | |
4 | * distributed with this work for additional information | |
5 | * regarding copyright ownership. The ASF licenses this file | |
6 | * to you under the Apache License, Version 2.0 (the | |
7 | * "License"); you may not use this file except in compliance | |
8 | * with the License. You may obtain a copy of the License at | |
9 | * | |
10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
11 | * | |
12 | * Unless required by applicable law or agreed to in writing, | |
13 | * software distributed under the License is distributed on an | |
14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
15 | * KIND, either express or implied. See the License for the | |
16 | * specific language governing permissions and limitations | |
17 | * under the License. | |
18 | */ | |
19 | ||
20 | package org.apache.thrift; | |
21 | ||
22 | import junit.framework.TestCase; | |
23 | import org.apache.thrift.Option; | |
24 | ||
25 | // Tests and documents behavior for the "Option<T>" type | |
26 | public class TestOptionType extends TestCase { | |
27 | public void testSome() throws Exception { | |
28 | String name = "Chuck Norris"; | |
29 | Option<String> option = Option.fromNullable(name); | |
30 | ||
31 | assertTrue(option instanceof Option.Some); | |
32 | assertTrue(option.isDefined()); | |
33 | assertEquals("Some(Chuck Norris)", option.toString()); | |
34 | assertEquals(option.or("default value"), "Chuck Norris"); | |
35 | assertEquals(option.get(),"Chuck Norris"); | |
36 | } | |
37 | ||
38 | public void testNone() throws Exception { | |
39 | String name = null; | |
40 | Option<String> option = Option.fromNullable(name); | |
41 | ||
42 | assertTrue(option instanceof Option.None); | |
43 | assertFalse(option.isDefined()); | |
44 | assertEquals("None", option.toString()); | |
45 | assertEquals(option.or("default value"), "default value"); | |
46 | // Expect exception | |
47 | try { | |
48 | Object value = option.get(); | |
49 | fail("Expected IllegalStateException, got no exception"); | |
50 | } catch (IllegalStateException ex) { | |
51 | ||
52 | } catch(Exception ex) { | |
53 | fail("Expected IllegalStateException, got some other exception: "+ex.toString()); | |
54 | } | |
55 | } | |
56 | ||
57 | public void testMakeSome() throws Exception { | |
58 | Option<String> some = Option.some("wee"); | |
59 | assertTrue(some instanceof Option.Some); | |
60 | } | |
61 | ||
62 | public void testMakeNone() throws Exception { | |
63 | Option<Integer> none = Option.none(); | |
64 | assertTrue(none instanceof Option.None); | |
65 | } | |
66 | } |