jjg@1483: /*
jjg@1483:  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
jjg@1483:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@1483:  *
jjg@1483:  * This code is free software; you can redistribute it and/or modify it
jjg@1483:  * under the terms of the GNU General Public License version 2 only, as
jjg@1483:  * published by the Free Software Foundation.
jjg@1483:  *
jjg@1483:  * This code is distributed in the hope that it will be useful, but WITHOUT
jjg@1483:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@1483:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jjg@1483:  * version 2 for more details (a copy is included in the LICENSE file that
jjg@1483:  * accompanied this code).
jjg@1483:  *
jjg@1483:  * You should have received a copy of the GNU General Public License version
jjg@1483:  * 2 along with this work; if not, write to the Free Software Foundation,
jjg@1483:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@1483:  *
jjg@1483:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jjg@1483:  * or visit www.oracle.com if you need additional information or have any
jjg@1483:  * questions.
jjg@1483:  */
jjg@1483: 
jjg@1483: /*
jjg@1483:  * @test
jjg@1483:  * @bug 8005644
jjg@1483:  * @summary set default max errs and max warns
jjg@1483:  */
jjg@1483: 
jjg@1483: import java.io.File;
jjg@1483: import java.io.FileWriter;
jjg@1483: import java.io.IOException;
jjg@1483: import java.io.PrintWriter;
jjg@1483: import java.io.StringWriter;
jjg@1483: import java.util.regex.Matcher;
jjg@1483: import java.util.regex.Pattern;
jjg@1483: 
jjg@1483: 
jjg@1483: public class MaxWarns {
jjg@1483:     public static void main(String... args) throws Exception {
jjg@1483:         new MaxWarns().run();
jjg@1483:     }
jjg@1483: 
jjg@1483:     void run() throws Exception {
jjg@1483:         final int defaultMaxWarns = 100;
jjg@1483:         final int genWarns = 150;
jjg@1483:         File f = genSrc(genWarns);
jjg@1483:         String out = javadoc(f);
jjg@1483:         check(out, defaultMaxWarns);
jjg@1483: 
jjg@1483:         if (errors > 0)
jjg@1483:             throw new Exception(errors + " errors occurred");
jjg@1483:     }
jjg@1483: 
jjg@1483:     File genSrc(int count) throws IOException {
jjg@1483:         StringBuilder sb = new StringBuilder();
jjg@1483:         sb.append("package p;\n")
jjg@1483:             .append("public class C {\n")
jjg@1483:             .append("    /**\n");
jjg@1483:         for (int i = 0; i < count; i++)
jjg@1483:             sb.append("     * @param i").append(i).append(" does not exist!\n");
jjg@1483:         sb.append("     */\n")
jjg@1483:             .append("    public void m() { }\n")
jjg@1483:             .append("}\n");
jjg@1483:         File srcDir = new File("src");
jjg@1483:         srcDir.mkdirs();
jjg@1483:         File f = new File(srcDir, "C.java");
jjg@1483:         try (FileWriter fw = new FileWriter(f)) {
jjg@1483:             fw.write(sb.toString());
jjg@1483:         }
jjg@1483:         return f;
jjg@1483:     }
jjg@1483: 
jjg@1483:     String javadoc(File f) {
jjg@1483:         StringWriter sw = new StringWriter();
jjg@1483:         PrintWriter pw = new PrintWriter(sw);
jjg@1490:         String[] args = { "-Xdoclint:none", "-d", "api", f.getPath() };
jjg@1483:         int rc = com.sun.tools.javadoc.Main.execute("javadoc", pw, pw, pw,
jjg@1483:                 com.sun.tools.doclets.standard.Standard.class.getName(), args);
jjg@1483:         pw.flush();
jjg@1483:         return sw.toString();
jjg@1483:     }
jjg@1483: 
jjg@1483:     void check(String out, int count) {
jjg@1483:         System.err.println(out);
jjg@1483:         Pattern warn = Pattern.compile("warning - @param argument \"i[0-9]+\" is not a parameter name");
jjg@1483:         Matcher m = warn.matcher(out);
jjg@1483:         int n = 0;
jjg@1483:         for (int start = 0; m.find(start); start = m.start() + 1) {
jjg@1483:             n++;
jjg@1483:         }
jjg@1483:         if (n != count)
jjg@1483:             error("unexpected number of warnings reported: " + n + "; expected: " + count);
jjg@1483: 
jjg@1483:         Pattern warnCount = Pattern.compile("(?ms).*^([0-9]+) warnings$.*");
jjg@1483:         m = warnCount.matcher(out);
jjg@1483:         if (m.matches()) {
jjg@1483:             n = Integer.parseInt(m.group(1));
jjg@1483:             if (n != count)
jjg@1483:                 error("unexpected number of warnings reported: " + n + "; expected: " + count);
jjg@1483:         } else
jjg@1483:             error("total count not found");
jjg@1483:     }
jjg@1483: 
jjg@1483:     void error(String msg) {
jjg@1483:         System.err.println("Error: " + msg);
jjg@1483:         errors++;
jjg@1483:     }
jjg@1483: 
jjg@1483:     int errors;
jjg@1483: }
jjg@1483: