TestFatalityOfParseErrors.java revision 1465:b52a38d4536c 
1/*
2 * Copyright (c) 2006, 2010, 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 6403459
27 * @summary Test that generating programs with syntax errors is a fatal condition
28 * @author  Joseph D. Darcy
29 * @library /tools/javac/lib
30 * @build JavacTestingAbstractProcessor
31 * @compile TestReturnCode.java
32 * @compile TestFatalityOfParseErrors.java
33 * @compile/fail -XprintRounds -processor TestFatalityOfParseErrors -proc:only TestFatalityOfParseErrors.java
34 */
35
36import java.util.Set;
37import javax.annotation.processing.*;
38import javax.lang.model.SourceVersion;
39import static javax.lang.model.SourceVersion.*;
40import javax.lang.model.element.*;
41import javax.lang.model.util.*;
42import static javax.tools.Diagnostic.Kind.*;
43
44import java.io.PrintWriter;
45import java.io.IOException;
46
47/**
48 * Write out an incomplete source file and observe that the next round
49 * is marked as an error.
50 */
51public class TestFatalityOfParseErrors extends JavacTestingAbstractProcessor {
52    int round = 0;
53
54    public boolean process(Set<? extends TypeElement> annotations,
55                           RoundEnvironment roundEnvironment) {
56        try {
57            PrintWriter pw = null;
58            round++;
59
60            switch (round) {
61            case 1:
62                pw = new PrintWriter(filer.createSourceFile("SyntaxError").openWriter());
63                pw.println("class SyntaxError {");
64                pw.close();
65                break;
66
67            case 2:
68                pw = new PrintWriter(filer.createSourceFile("SimpleClass").openWriter());
69                pw.println("class SimpleClass {}");
70                pw.close();
71
72                if (!roundEnvironment.errorRaised() || !roundEnvironment.processingOver() ) {
73                    System.err.println(roundEnvironment);
74                    throw new RuntimeException("Second round not erroneous as expected.");
75                }
76                if (!roundEnvironment.getRootElements().isEmpty()) {
77                    System.err.println(roundEnvironment);
78                    throw new RuntimeException("Root elements not empty as expected.");
79                }
80                break;
81
82            default:
83                throw new RuntimeException("Unexpected round number " + round);
84            }
85        } catch (IOException ioException) {
86            throw new RuntimeException(ioException);
87        }
88        return true;
89    }
90}
91