Thu, 21 May 2015 10:00:43 -0700
Added tag jdk8u60-b16 for changeset ecb7e46b820f
1 /*
2 * Copyright (c) 2013, 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 */
24 /*
25 * @test
26 * @bug 8005644
27 * @summary set default max errs and max warns
28 */
30 import java.io.File;
31 import java.io.FileWriter;
32 import java.io.IOException;
33 import java.io.PrintWriter;
34 import java.io.StringWriter;
35 import java.util.regex.Matcher;
36 import java.util.regex.Pattern;
39 public class MaxWarns {
40 public static void main(String... args) throws Exception {
41 new MaxWarns().run();
42 }
44 void run() throws Exception {
45 final int defaultMaxWarns = 100;
46 final int genWarns = 150;
47 File f = genSrc(genWarns);
48 String out = javadoc(f);
49 check(out, defaultMaxWarns);
51 if (errors > 0)
52 throw new Exception(errors + " errors occurred");
53 }
55 File genSrc(int count) throws IOException {
56 StringBuilder sb = new StringBuilder();
57 sb.append("package p;\n")
58 .append("public class C {\n")
59 .append(" /**\n");
60 for (int i = 0; i < count; i++)
61 sb.append(" * @param i").append(i).append(" does not exist!\n");
62 sb.append(" */\n")
63 .append(" public void m() { }\n")
64 .append("}\n");
65 File srcDir = new File("src");
66 srcDir.mkdirs();
67 File f = new File(srcDir, "C.java");
68 try (FileWriter fw = new FileWriter(f)) {
69 fw.write(sb.toString());
70 }
71 return f;
72 }
74 String javadoc(File f) {
75 StringWriter sw = new StringWriter();
76 PrintWriter pw = new PrintWriter(sw);
77 String[] args = { "-Xdoclint:none", "-d", "api", f.getPath() };
78 int rc = com.sun.tools.javadoc.Main.execute("javadoc", pw, pw, pw,
79 com.sun.tools.doclets.standard.Standard.class.getName(), args);
80 pw.flush();
81 return sw.toString();
82 }
84 void check(String out, int count) {
85 System.err.println(out);
86 Pattern warn = Pattern.compile("warning - @param argument \"i[0-9]+\" is not a parameter name");
87 Matcher m = warn.matcher(out);
88 int n = 0;
89 for (int start = 0; m.find(start); start = m.start() + 1) {
90 n++;
91 }
92 if (n != count)
93 error("unexpected number of warnings reported: " + n + "; expected: " + count);
95 Pattern warnCount = Pattern.compile("(?ms).*^([0-9]+) warnings$.*");
96 m = warnCount.matcher(out);
97 if (m.matches()) {
98 n = Integer.parseInt(m.group(1));
99 if (n != count)
100 error("unexpected number of warnings reported: " + n + "; expected: " + count);
101 } else
102 error("total count not found");
103 }
105 void error(String msg) {
106 System.err.println("Error: " + msg);
107 errors++;
108 }
110 int errors;
111 }