TestJavacTask_Lock.java revision 2599:50b448c5be54 
1/*
2 * Copyright (c) 2011, 2014, 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 7026509
27 * @summary Cannot use JavaCompiler to create multiple CompilationTasks for partial compilations
28 */
29
30import java.io.*;
31import java.util.*;
32import javax.tools.*;
33import javax.tools.JavaCompiler.CompilationTask;
34import com.sun.source.util.*;
35
36public class TestJavacTask_Lock {
37    public static void main(String... args) throws Exception {
38        new TestJavacTask_Lock().run();
39    }
40
41    enum MethodKind {
42        CALL {
43            int test(CompilationTask t) {
44                boolean ok = t.call();
45                if (!ok)
46                    throw new Error("compilation failed");
47                return 1;
48            }
49        },
50        PARSE {
51            int test(CompilationTask t) {
52                try {
53                    ((JavacTask) t).parse();
54                    return 1;
55                } catch (IOException ex) {
56                    throw new Error(ex);
57                }
58            }
59
60        };
61        abstract int test(CompilationTask t);
62    }
63
64    JavaCompiler comp;
65    StandardJavaFileManager fm;
66
67    void run() throws Exception {
68        comp = ToolProvider.getSystemJavaCompiler();
69        fm = comp.getStandardFileManager(null, null, null);
70
71        for (MethodKind first: MethodKind.values()) {
72            for (MethodKind second: MethodKind.values()) {
73                test(first, second);
74            }
75        }
76
77        if (errors > 0)
78            throw new Exception(errors + " errors found");
79    }
80
81    void test(MethodKind first, MethodKind second) {
82        System.err.println("test: " + first + ", " + second);
83        File testSrc = new File(System.getProperty("test.src"));
84        String thisClassName = TestJavacTask_Lock.class.getName();
85        Iterable<? extends JavaFileObject> files =
86                fm.getJavaFileObjects(new File(testSrc, thisClassName + ".java"));
87        File tmpDir = new File(first + "_" + second);
88        tmpDir.mkdirs();
89        List<String> options = Arrays.asList( "-d", tmpDir.getPath() );
90        CompilationTask t = comp.getTask(null, fm, null, options, null, files);
91
92        try {
93            first.test(t);
94            second.test(t);
95            error("No exception thrown");
96        } catch (IllegalStateException e) {
97            e.printStackTrace();
98            System.err.println("Expected exception caught: " + e);
99        } catch (Exception e) {
100            error("Unexpected exception caught: " + e);
101            e.printStackTrace(System.err);
102        }
103
104    }
105
106    void error(String msg) {
107        System.err.println("Error: " + msg);
108        errors++;
109    }
110
111    int errors;
112}
113