1 /*
2 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import org.testng.annotations.Test;
25
26 import java.io.IOException;
27 import java.util.ArrayList;
28 import java.util.Arrays;
29 import java.util.Collections;
30 import java.util.HashMap;
31 import java.util.IllegalFormatException;
32 import java.util.LinkedList;
33 import java.util.Map;
34 import java.util.Set;
35
36 import static org.testng.Assert.assertEquals;
37 import static org.testng.Assert.assertNotNull;
38 import static org.testng.Assert.assertNull;
39 import static org.testng.Assert.assertTrue;
40
41 /*
42 * @test
43 * @compile TestKit.java
44 * @run testng TestKitTest
45 */
46 public final class TestKitTest {
47
48 @Test
49 public void testAssertNotThrows() {
50 Integer integer = TestKit.assertNotThrows(
51 () -> TestKit.assertNotThrows(() -> 1)
52 );
53 assertEquals(integer, Integer.valueOf(1));
54
55 RuntimeException re = TestKit.assertThrows(
56 RuntimeException.class,
57 () -> TestKit.assertNotThrows(() -> { throw new IOException(); })
58 );
59 assertEquals(re.getMessage(),
60 "Expected to run normally, but threw "
61 + "java.io.IOException");
62
63 TestKit.assertNotThrows(
64 () -> TestKit.assertNotThrows(() -> { })
65 );
66
67 re = TestKit.assertThrows(
68 RuntimeException.class,
69 () -> TestKit.assertNotThrows((TestKit.ThrowingProcedure) () -> { throw new IOException(); })
70 );
71 assertEquals(re.getMessage(),
72 "Expected to run normally, but threw "
73 + "java.io.IOException");
74 }
75
76 @Test
77 public void testAssertThrows() {
78 NullPointerException npe = TestKit.assertThrows(
79 NullPointerException.class,
80 () -> TestKit.assertThrows(null, null)
81 );
82 assertNotNull(npe);
83 assertTrue(Set.of("clazz", "code").contains(npe.getMessage()), npe.getMessage());
84
85 npe = TestKit.assertThrows(
86 NullPointerException.class,
87 () -> TestKit.assertThrows(IOException.class, null)
88 );
89 assertNotNull(npe);
90 assertEquals(npe.getMessage(), "code");
91
92 npe = TestKit.assertThrows(
93 NullPointerException.class,
94 () -> TestKit.assertThrows(null, () -> { })
95 );
96 assertEquals(npe.getMessage(), "clazz");
97
98 npe = TestKit.assertThrows(
99 NullPointerException.class,
100 () -> { throw new NullPointerException(); }
101 );
102 assertNotNull(npe);
103 assertNull(npe.getMessage());
104 assertEquals(npe.getClass(), NullPointerException.class);
105
106 RuntimeException re = TestKit.assertThrows(
107 RuntimeException.class,
108 () -> TestKit.assertThrows(NullPointerException.class, () -> { })
109 );
110 assertEquals(re.getClass(), RuntimeException.class);
111 assertEquals(re.getMessage(),
112 "Expected to catch an exception of type "
113 + "java.lang.NullPointerException, but caught nothing");
114
115 re = TestKit.assertThrows(
116 RuntimeException.class,
117 () -> { throw new NullPointerException(); }
118 );
119 assertNotNull(re);
120 assertNull(re.getMessage());
121 assertEquals(re.getClass(), NullPointerException.class);
122
123 re = TestKit.assertThrows(
124 RuntimeException.class,
125 () -> TestKit.assertThrows(
126 IllegalFormatException.class,
127 () -> { throw new IndexOutOfBoundsException(); }
128 ));
129 assertNotNull(re);
130 assertEquals(re.getClass(), RuntimeException.class);
131 assertEquals(re.getMessage(),
132 "Expected to catch an exception of type java.util.IllegalFormatException"
133 + ", but caught java.lang.IndexOutOfBoundsException");
134 }
135
136 @Test
137 public void testAssertUnmodifiable() {
138 TestKit.assertUnmodifiableList(
139 Collections.unmodifiableList(
140 new ArrayList<>(Arrays.asList(1, 2, 3))));
141 TestKit.assertThrows(RuntimeException.class,
142 () -> TestKit.assertUnmodifiableList(new ArrayList<>()));
143 TestKit.assertThrows(RuntimeException.class,
144 () -> TestKit.assertUnmodifiableList(new LinkedList<>()));
145 TestKit.assertThrows(RuntimeException.class,
146 () -> TestKit.assertUnmodifiableList(
147 new ArrayList<>(Arrays.asList(1, 2, 3))));
148 TestKit.assertUnmodifiableMap(Collections.unmodifiableMap(Map.of()));
149 TestKit.assertThrows(RuntimeException.class,
150 () -> TestKit.assertUnmodifiableMap(new HashMap<>()));
151 }
152 }