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 {
  43     public static void main(String... args) throws Exception {
  44         CompileCircularSources ccs = new CompileCircularSources();
  45         ccs.test();
  46     }
  47 
  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 }