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 }