test/tools/javac/doclint/DocLintTest.java

Wed, 19 Dec 2012 11:29:56 +0000

author
jjg
date
Wed, 19 Dec 2012 11:29:56 +0000
changeset 1463
67b01d295cd2
parent 0
959103a6100f
permissions
-rw-r--r--

8004833: Integrate doclint support into javac
Reviewed-by: mcimadamore

     1 /*
     2  * Copyright (c) 2012, 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 8004833
    27  * @summary Integrate doclint support into javac
    28  */
    30 import java.io.File;
    31 import java.io.PrintWriter;
    32 import java.io.StringWriter;
    33 import java.net.URI;
    34 import java.util.Arrays;
    35 import java.util.Collections;
    36 import java.util.List;
    38 import javax.tools.Diagnostic;
    39 import javax.tools.JavaCompiler;
    40 import javax.tools.JavaFileObject;
    41 import javax.tools.SimpleJavaFileObject;
    42 import javax.tools.StandardJavaFileManager;
    43 import javax.tools.StandardLocation;
    44 import javax.tools.ToolProvider;
    45 import static javax.tools.Diagnostic.Kind.*;
    47 import com.sun.source.util.JavacTask;
    48 import com.sun.tools.javac.main.Main;
    49 import java.util.EnumSet;
    50 import java.util.Set;
    51 import java.util.regex.Matcher;
    52 import java.util.regex.Pattern;
    54 public class DocLintTest {
    55     public static void main(String... args) throws Exception {
    56         new DocLintTest().run();
    57     }
    59     JavaCompiler javac;
    60     StandardJavaFileManager fm;
    61     JavaFileObject file;
    63     final String code =
    64         /* 01 */    "/** Class comment. */\n" +
    65         /* 02 */    "public class Test {\n" +
    66         /* 03 */    "    /** Method comment. */\n" +
    67         /* 04 */    "    public void method() { }\n" +
    68         /* 05 */    "\n" +
    69         /* 06 */    "    /** Syntax < error. */\n" +
    70         /* 07 */    "    private void syntaxError() { }\n" +
    71         /* 08 */    "\n" +
    72         /* 09 */    "    /** @see DoesNotExist */\n" +
    73         /* 10 */    "    protected void referenceError() { }\n" +
    74         /* 08 */    "\n" +
    75         /* 09 */    "    /** @return */\n" +
    76         /* 10 */    "    public int emptyReturn() { return 0; }\n" +
    77         /* 11 */    "}\n";
    79     final String rawDiags = "-XDrawDiagnostics";
    80     private enum Message {
    81         // doclint messages
    82         DL_ERR6(ERROR, "Test.java:6:16: compiler.err.proc.messager: malformed HTML"),
    83         DL_ERR9(ERROR, "Test.java:9:14: compiler.err.proc.messager: reference not found"),
    84         DL_WRN12(WARNING, "Test.java:12:9: compiler.warn.proc.messager: no description for @return"),
    86         OPT_BADARG(ERROR, "invalid flag: -Xdoclint:badarg");
    88         final Diagnostic.Kind kind;
    89         final String text;
    91         static Message get(String text) {
    92             for (Message m: values()) {
    93                 if (m.text.equals(text))
    94                     return m;
    95             }
    96             return null;
    97         }
    99         Message(Diagnostic.Kind kind, String text) {
   100             this.kind = kind;
   101             this.text = text;
   102         }
   104         @Override
   105         public String toString() {
   106             return "[" + kind + ",\"" + text + "\"]";
   107         }
   108     }
   109     void run() throws Exception {
   110         javac = ToolProvider.getSystemJavaCompiler();
   111         fm = javac.getStandardFileManager(null, null, null);
   112         fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(new File(".")));
   113         file = new SimpleJavaFileObject(URI.create("Test.java"), JavaFileObject.Kind.SOURCE) {
   114             @Override
   115             public CharSequence getCharContent(boolean ignoreEncoding) {
   116                 return code;
   117             }
   118         };
   120         test(Collections.<String>emptyList(),
   121                 Main.Result.OK,
   122                 EnumSet.noneOf(Message.class));
   124         test(Arrays.asList("-Xdoclint:none"),
   125                 Main.Result.OK,
   126                 EnumSet.noneOf(Message.class));
   128         test(Arrays.asList(rawDiags, "-Xdoclint"),
   129                 Main.Result.ERROR,
   130                 EnumSet.of(Message.DL_ERR6, Message.DL_ERR9, Message.DL_WRN12));
   132         test(Arrays.asList(rawDiags, "-Xdoclint:all/public"),
   133                 Main.Result.OK,
   134                 EnumSet.of(Message.DL_WRN12));
   136         test(Arrays.asList(rawDiags, "-Xdoclint:syntax"),
   137                 Main.Result.ERROR,
   138                 EnumSet.of(Message.DL_ERR6, Message.DL_WRN12));
   140         test(Arrays.asList(rawDiags, "-Xdoclint:reference"),
   141                 Main.Result.ERROR,
   142                 EnumSet.of(Message.DL_ERR9));
   144         test(Arrays.asList(rawDiags, "-Xdoclint:badarg"),
   145                 Main.Result.CMDERR,
   146                 EnumSet.of(Message.OPT_BADARG));
   148         if (errors > 0)
   149             throw new Exception(errors + " errors occurred");
   150     }
   152     void test(List<String> opts, Main.Result expectResult, Set<Message> expectMessages) {
   153         System.err.println("test: " + opts);
   154         StringWriter sw = new StringWriter();
   155         PrintWriter pw = new PrintWriter(sw);
   156         List<JavaFileObject> files = Arrays.asList(file);
   157         try {
   158             JavacTask t = (JavacTask) javac.getTask(pw, fm, null, opts, null, files);
   159             boolean ok = t.call();
   160             pw.close();
   161             String out = sw.toString().replaceAll("[\r\n]+", "\n");
   162             if (!out.isEmpty())
   163                 System.err.println(out);
   164             if (ok && expectResult != Main.Result.OK) {
   165                 error("Compilation succeeded unexpectedly");
   166             } else if (!ok && expectResult != Main.Result.ERROR) {
   167                 error("Compilation failed unexpectedly");
   168             } else
   169                 check(out, expectMessages);
   170         } catch (IllegalArgumentException e) {
   171             System.err.println(e);
   172             String expectOut = expectMessages.iterator().next().text;
   173             if (expectResult != Main.Result.CMDERR)
   174                 error("unexpected exception caught");
   175             else if (!e.getMessage().equals(expectOut)) {
   176                 error("unexpected exception message: "
   177                         + e.getMessage()
   178                         + " expected: " + expectOut);
   179             }
   180         }
   182 //        if (errors > 0)
   183 //            throw new Error("stop");
   184     }
   186     private void check(String out, Set<Message> expect) {
   187         Pattern stats = Pattern.compile("^([1-9]+) (error|warning)(s?)");
   188         Set<Message> found = EnumSet.noneOf(Message.class);
   189         int e = 0, w = 0;
   190         if (!out.isEmpty()) {
   191             for (String line: out.split("[\r\n]+")) {
   192                 Matcher s = stats.matcher(line);
   193                 if (s.matches()) {
   194                     int i = Integer.valueOf(s.group(1));
   195                     if (s.group(2).equals("error"))
   196                         e++;
   197                     else
   198                         w++;
   199                     continue;
   200                 }
   202                 Message m = Message.get(line);
   203                 if (m == null)
   204                     error("Unexpected line: " + line);
   205                 else
   206                     found.add(m);
   207             }
   208         }
   209         for (Message m: expect) {
   210             if (!found.contains(m))
   211                 error("expected message not found: " + m.text);
   212         }
   213         for (Message m: found) {
   214             if (!expect.contains(m))
   215                 error("unexpected message found: " + m.text);
   216         }
   217     }
   219     void error(String msg) {
   220         System.err.println("Error: " + msg);
   221         errors++;
   222     }
   224     int errors;
   225 }

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