1 /* 2 * Copyright (c) 2013, 2015, 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 8005644 27 * @summary set default max errs and max warns 28 * @modules jdk.javadoc/com.sun.tools.doclets.standard 29 */ 30 31 import java.io.File; 32 import java.io.FileWriter; 33 import java.io.IOException; 34 import java.io.PrintWriter; 35 import java.io.StringWriter; 36 import java.util.regex.Matcher; 37 import java.util.regex.Pattern; 38 39 40 public class MaxWarns { 41 public static void main(String... args) throws Exception { 42 new MaxWarns().run(); 43 } 44 45 void run() throws Exception { 46 final int defaultMaxWarns = 100; 47 final int genWarns = 150; 48 File f = genSrc(genWarns); 49 String out = javadoc(f); 50 check(out, defaultMaxWarns); 51 52 if (errors > 0) 53 throw new Exception(errors + " errors occurred"); 54 } 55 56 File genSrc(int count) throws IOException { 57 StringBuilder sb = new StringBuilder(); 58 sb.append("package p;\n") 59 .append("public class C {\n") 60 .append(" /**\n"); 61 for (int i = 0; i < count; i++) 62 sb.append(" * @param i").append(i).append(" does not exist!\n"); 63 sb.append(" */\n") 64 .append(" public void m() { }\n") 65 .append("}\n"); 66 File srcDir = new File("src"); 67 srcDir.mkdirs(); 68 File f = new File(srcDir, "C.java"); 69 try (FileWriter fw = new FileWriter(f)) { 70 fw.write(sb.toString()); 71 } 72 return f; 73 } 74 75 String javadoc(File f) { 76 StringWriter sw = new StringWriter(); 77 PrintWriter pw = new PrintWriter(sw); 78 String[] args = { "-Xdoclint:none", "-d", "api", f.getPath() }; 79 int rc = com.sun.tools.javadoc.Main.execute("javadoc", pw, pw, pw, 80 com.sun.tools.doclets.standard.Standard.class.getName(), args); 81 pw.flush(); 82 return sw.toString(); 83 } 84 85 void check(String out, int count) { 86 System.err.println(out); 87 Pattern warn = Pattern.compile("warning - @param argument \"i[0-9]+\" is not a parameter name"); 88 Matcher m = warn.matcher(out); 89 int n = 0; 90 for (int start = 0; m.find(start); start = m.start() + 1) { 91 n++; 92 } 93 if (n != count) 94 error("unexpected number of warnings reported: " + n + "; expected: " + count); 95 96 Pattern warnCount = Pattern.compile("(?ms).*^([0-9]+) warnings$.*"); 97 m = warnCount.matcher(out); 98 if (m.matches()) { 99 n = Integer.parseInt(m.group(1)); 100 if (n != count) 101 error("unexpected number of warnings reported: " + n + "; expected: " + count); 102 } else 103 error("total count not found"); 104 } 105 106 void error(String msg) { 107 System.err.println("Error: " + msg); 108 errors++; 109 } 110 111 int errors; 112 } 113