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 incremental changes in gensrc are handled as expected
  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  * @ignore Requires dependency code to deal with in-method dependencies.
  35  * @build Wrapper toolbox.ToolBox
  36  * @run main Wrapper IncCompileWithChanges
  37  */
  38 
  39 import java.util.*;
  40 import java.nio.file.*;
  41 
  42 import toolbox.ToolBox;
  43 
  44 public class IncCompileWithChanges extends SJavacTester {
  45     public static void main(String... args) throws Exception {
  46         IncCompileWithChanges wc = new IncCompileWithChanges();
  47         wc.test();
  48     }
  49 
  50     // Remember the previous bin and headers state here.
  51     Map<String,Long> previous_bin_state;
  52     Map<String,Long> previous_headers_state;
  53 
  54     void test() throws Exception {
  55         clean(TEST_ROOT);
  56         Files.createDirectories(GENSRC);
  57         Files.createDirectories(BIN);
  58         Files.createDirectories(HEADERS);
  59 
  60         initialCompile();
  61         incrementalCompileWithChange();
  62     }
  63 
  64     /* Update A.java with a new timestamp and new final static definition.
  65      * This should trigger a recompile, not only of alfa, but also beta.
  66      * Generated native header should not be updated since native api of B was not modified.
  67      */
  68     void incrementalCompileWithChange() throws Exception {
  69         previous_bin_state = collectState(BIN);
  70         previous_headers_state = collectState(HEADERS);
  71         System.out.println("\nIn incrementalCompileWithChange() ");
  72         System.out.println("A.java updated to trigger a recompile");
  73         System.out.println("Generated native header should not be updated since native api of B was not modified");
  74         tb.writeFile(GENSRC.resolve("alfa/omega/A.java"),
  75                      "package alfa.omega; public class A implements AINT { " +
  76                      "public final static int DEFINITION = 18;" +
  77                      "public void aint() { } private void foo() { } }");
  78 
  79         compile(GENSRC.toString(),
  80                 "-d", BIN.toString(),
  81                 "--state-dir=" + BIN,
  82                 "-h", HEADERS.toString(),
  83                 "-j", "1",
  84                 "--log=debug");
  85         Map<String,Long> new_bin_state = collectState(BIN);
  86 
  87         verifyNewerFiles(previous_bin_state, new_bin_state,
  88                          BIN + "/alfa/omega/A.class",
  89                          BIN + "/alfa/omega/AINT.class",
  90                          BIN + "/alfa/omega/AA$AAAA.class",
  91                          BIN + "/alfa/omega/AAAAA.class",
  92                          BIN + "/alfa/omega/AA$AAA.class",
  93                          BIN + "/alfa/omega/AA.class",
  94                          BIN + "/alfa/omega/AA$1.class",
  95                          BIN + "/beta/B.class",
  96                          BIN + "/beta/BINT.class",
  97                          BIN + "/javac_state");
  98         previous_bin_state = new_bin_state;
  99 
 100         Map<String,Long> new_headers_state = collectState(HEADERS);
 101         verifyEqual(new_headers_state, previous_headers_state);
 102     }
 103 }