1 /*
2  * Copyright (c) 2014, 2016, 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  * @summary Verify that circular sources split on multiple cores can be compiled
27  * @bug 8054689
28  * @author Fredrik O
29  * @author sogoel (rewrite)
30  * @library /tools/lib
31  * @modules jdk.compiler/com.sun.tools.javac.api
32  *          jdk.compiler/com.sun.tools.javac.main
33  *          jdk.compiler/com.sun.tools.sjavac
34  * @build Wrapper toolbox.ToolBox
35  * @run main Wrapper CompileCircularSources
36  */
37 
38 import java.io.IOException;
39 import java.util.*;
40 import java.nio.file.*;
41 
42 public class CompileCircularSources extends SJavacTester {
main(String... args)43     public static void main(String... args) throws Exception {
44         CompileCircularSources ccs = new CompileCircularSources();
45         ccs.test();
46     }
47 
test()48     void test() throws Exception {
49         Files.createDirectories(BIN);
50         Files.createDirectories(GENSRC);
51 
52         Map<String,Long> previous_bin_state = collectState(BIN);
53 
54         tb.writeFile(GENSRC.resolve("alfa/omega/A.java"),
55                      "package alfa.omega; public class A { beta.B b; }");
56         tb.writeFile(GENSRC.resolve("beta/B.java"),
57                      "package beta; public class B { gamma.C c; }");
58         tb.writeFile(GENSRC.resolve("gamma/C.java"),
59                      "package gamma; public class C { alfa.omega.A a; }");
60 
61         compile(GENSRC.toString(),
62                 "-d", BIN.toString(),
63                 "-h", HEADERS.toString(),
64                 "--state-dir=" + BIN,
65                 "-j", "3",
66                 "--log=debug");
67         Map<String,Long> new_bin_state = collectState(BIN);
68         verifyThatFilesHaveBeenAdded(previous_bin_state,
69                                      new_bin_state,
70                                      BIN + "/alfa/omega/A.class",
71                                      BIN + "/beta/B.class",
72                                      BIN + "/gamma/C.class",
73                                      BIN + "/javac_state");
74     }
75 }
76