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  *          jdk.jdeps/com.sun.tools.javap
  35  * @build Wrapper toolbox.ToolBox
  36  * @run main Wrapper CompileCircularSources
  37  */
  38 
  39 import java.io.IOException;
  40 import java.util.*;
  41 import java.nio.file.*;
  42 
  43 public class CompileCircularSources extends SJavacTester {
  44     public static void main(String... args) throws Exception {
  45         CompileCircularSources ccs = new CompileCircularSources();
  46         ccs.test();
  47     }
  48 
  49     void test() throws Exception {
  50         Files.createDirectories(BIN);
  51         Files.createDirectories(GENSRC);
  52 
  53         Map<String,Long> previous_bin_state = collectState(BIN);
  54 
  55         tb.writeFile(GENSRC.resolve("alfa/omega/A.java"),
  56                      "package alfa.omega; public class A { beta.B b; }");
  57         tb.writeFile(GENSRC.resolve("beta/B.java"),
  58                      "package beta; public class B { gamma.C c; }");
  59         tb.writeFile(GENSRC.resolve("gamma/C.java"),
  60                      "package gamma; public class C { alfa.omega.A a; }");
  61 
  62         compile(GENSRC.toString(),
  63                 "-d", BIN.toString(),
  64                 "-h", HEADERS.toString(),
  65                 "--state-dir=" + BIN,
  66                 "-j", "3",
  67                 "--log=debug");
  68         Map<String,Long> new_bin_state = collectState(BIN);
  69         verifyThatFilesHaveBeenAdded(previous_bin_state,
  70                                      new_bin_state,
  71                                      BIN + "/alfa/omega/A.class",
  72                                      BIN + "/beta/B.class",
  73                                      BIN + "/gamma/C.class",
  74                                      BIN + "/javac_state");
  75     }
  76 }