File: ResolutionWithExceptionTest.java

package info (click to toggle)
openjdk-21 21.0.8%2B9-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 823,976 kB
  • sloc: java: 5,613,338; xml: 1,643,607; cpp: 1,296,296; ansic: 420,291; asm: 404,850; objc: 20,994; sh: 15,271; javascript: 11,245; python: 6,895; makefile: 2,362; perl: 357; awk: 351; sed: 172; jsp: 24; csh: 3
file content (94 lines) | stat: -rw-r--r-- 3,678 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
/*
 * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

import java.net.InetAddress;
import java.net.UnknownHostException;

import impl.ThrowingLookupsProviderImpl;

import static impl.ThrowingLookupsProviderImpl.RUNTIME_EXCEPTION_MESSAGE;

import org.testng.Assert;
import org.testng.annotations.Test;

/*
 * @test
 * @summary Test that only UnknownHostException is thrown if resolver
 * implementation throws RuntimeException during forward or reverse lookup.
 * @library providers/throwing
 * @build throwing.lookups.provider/impl.ThrowingLookupsProviderImpl
 * @run testng/othervm ResolutionWithExceptionTest
 */

public class ResolutionWithExceptionTest {

    @Test
    public void getByNameUnknownHostException() {
        ThrowingLookupsProviderImpl.throwRuntimeException = false;
        runGetByNameTest();
    }

    @Test
    public void getByNameRuntimeException() {
        ThrowingLookupsProviderImpl.throwRuntimeException = true;
        runGetByNameTest();
    }

    @Test
    public void getByAddressUnknownHostException() throws UnknownHostException {
        ThrowingLookupsProviderImpl.throwRuntimeException = false;
        runGetByAddressTest();
    }

    @Test
    public void getByAddressRuntimeException() throws UnknownHostException {
        ThrowingLookupsProviderImpl.throwRuntimeException = true;
        runGetByAddressTest();
    }

    private void runGetByNameTest() {
        // InetAddress.getByName() is expected to throw UnknownHostException in all cases
        UnknownHostException uhe = Assert.expectThrows(UnknownHostException.class,
                () -> InetAddress.getByName("doesnt.matter.com"));
        // If provider is expected to throw RuntimeException - check that UnknownHostException
        // is set as its cause
        if (ThrowingLookupsProviderImpl.throwRuntimeException) {
            Throwable cause = uhe.getCause();
            if (cause instanceof RuntimeException re) {
                // Check RuntimeException message
                Assert.assertEquals(re.getMessage(), RUNTIME_EXCEPTION_MESSAGE,
                        "incorrect exception message");
            } else {
                Assert.fail("UnknownHostException cause is not RuntimeException");
            }
        }
    }

    private void runGetByAddressTest() throws UnknownHostException {
        // getCanonicalHostName is not expected to throw an exception:
        // if there is an error during reverse lookup operation the literal IP
        // address String will be returned.
        String literalIP = InetAddress.getByAddress(new byte[]{1, 2, 3, 4}).getCanonicalHostName();
        Assert.assertEquals(literalIP, "1.2.3.4");
    }
}