ToolProviderTest.java revision 3688:7752e4f2a338 
1/*
2 * Copyright (c) 2016, 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/*
25 * @test
26 * @bug 8159855
27 * @summary test javadoc's ToolProvider
28 * @library /tools/lib
29 * @build toolbox.TestRunner toolbox.ToolBox
30 * @run main ToolProviderTest
31 */
32
33import java.io.*;
34import java.nio.file.Path;
35import java.nio.file.Paths;
36import java.util.*;
37import java.util.spi.ToolProvider;
38
39import toolbox.TestRunner;
40import toolbox.ToolBox;
41
42public class ToolProviderTest extends TestRunner {
43    public static void main(String... args) throws Exception {
44        new ToolProviderTest().runTests();
45    }
46
47    ToolBox tb = new ToolBox();
48    ToolProvider javadoc;
49
50    ToolProviderTest() {
51        super(System.err);
52        javadoc = ToolProvider.findFirst("javadoc").get();
53    }
54
55    @Test
56    public void testProviders() throws Exception {
57        Map<String, ToolProvider> providers = new LinkedHashMap<>();
58        for (ToolProvider tp : ServiceLoader.load(ToolProvider.class,
59                ClassLoader.getSystemClassLoader())) {
60            System.out.println("Provider: " + tp.name() + ": " + tp.getClass().getName());
61            providers.put(tp.name(), tp);
62        }
63        if (!providers.containsKey("javadoc")) {
64            error("javadoc ToolProvider not found");
65        }
66    }
67
68    @Test
69    public void testOneStream() throws Exception {
70        StringWriter sw = new StringWriter();
71        try (PrintWriter pw = new PrintWriter(sw)) {
72            int rc = javadoc.run(pw, pw, "-help");
73            if (rc != 0) {
74                error("unexpected exit code: " + rc);
75            }
76        }
77        String out = sw.toString();
78        if (!out.contains("Usage:")) {
79            error("expected output not found");
80        }
81    }
82
83    @Test
84    public void testTwoStreamsOut() throws Exception {
85        StringWriter swOut = new StringWriter();
86        StringWriter swErr = new StringWriter();
87        try (PrintWriter pwOut = new PrintWriter(swOut);
88                PrintWriter pwErr = new PrintWriter(swErr)) {
89            int rc = javadoc.run(pwOut, pwErr, "-help");
90            if (rc != 0) {
91                error("unexpected exit code: " + rc);
92            }
93        }
94        String out = swOut.toString();
95        String err = swErr.toString();
96        if (!out.contains("Usage:")) {
97            error("stdout: expected output not found");
98        }
99        if (!err.isEmpty()) {
100            error("stderr: unexpected output");
101        }
102    }
103
104    @Test
105    public void testTwoStreamsErr() throws Exception {
106        Path src = Paths.get("src");
107        Path classes = Paths.get("classes");
108        tb.writeJavaFiles(src,
109            "import java.util.*; class C { # }");
110
111        StringWriter swOut = new StringWriter();
112        StringWriter swErr = new StringWriter();
113        try (PrintWriter pwOut = new PrintWriter(swOut);
114                PrintWriter pwErr = new PrintWriter(swErr)) {
115            int rc = javadoc.run(pwOut, pwErr,
116                "-d", classes.toString(),
117                src.resolve("C.java").toString());
118            if (rc != 1) {
119                error("unexpected exit code: " + rc);
120            }
121        }
122
123        String out = swOut.toString();
124        String err = swErr.toString();
125
126        if (!out.contains("Loading")) {
127            error("stdout: unexpected output");
128        }
129        if (!err.contains("illegal character")) {
130            error("stderr: expected output not found");
131        }
132    }
133}
134