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 native files are removed when native method is removed
  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 IncCompileChangeNative
  37  */
  38 
  39 import java.util.*;
  40 import java.nio.file.*;
  41 
  42 public class IncCompileChangeNative extends SJavacTester {
  43     public static void main(String... args) throws Exception {
  44         IncCompileChangeNative cn = new IncCompileChangeNative();
  45         cn.test();
  46     }
  47 
  48     // Remember the previous bin and headers state here.
  49     Map<String,Long> previous_bin_state;
  50     Map<String,Long> previous_headers_state;
  51     ToolBox tb = new ToolBox();
  52 
  53     void test() throws Exception {
  54         Files.createDirectories(GENSRC);
  55         Files.createDirectories(BIN);
  56         Files.createDirectories(HEADERS);
  57 
  58         initialCompile();
  59         incrementalCompileDropAllNatives();
  60         incrementalCompileAddNative();
  61     }
  62 
  63     // Update B.java with one less native method i.e. it has no longer any methods
  64     // Verify that beta_B.h is removed
  65     void incrementalCompileDropAllNatives() throws Exception {
  66         previous_bin_state = collectState(BIN);
  67         previous_headers_state = collectState(HEADERS);
  68         System.out.println("\nIn incrementalCompileDropAllNatives() ");
  69         System.out.println("Verify that beta_B.h is removed");
  70         tb.writeFile(GENSRC.resolve("beta/B.java"),
  71                      "package beta; import alfa.omega.A; " +
  72                      "public class B { private int b() { return A.DEFINITION; } }");
  73 
  74         compile(GENSRC.toString(),
  75                 "-d", BIN.toString(),
  76                 "--state-dir=" + BIN,
  77                 "-h", HEADERS.toString(),
  78                 "-j", "1",
  79                 "--log=debug");
  80         Map<String,Long> new_bin_state = collectState(BIN);
  81         verifyNewerFiles(previous_bin_state, new_bin_state,
  82                          BIN + "/beta/B.class",
  83                          BIN + "/beta/BINT.class",
  84                          BIN + "/javac_state");
  85         previous_bin_state = new_bin_state;
  86 
  87         Map<String,Long> new_headers_state = collectState(HEADERS);
  88         verifyThatFilesHaveBeenRemoved(previous_headers_state, new_headers_state,
  89                                        HEADERS + "/beta_B.h");
  90         previous_headers_state = new_headers_state;
  91     }
  92 
  93     // Update the B.java with a final static annotated with @Native
  94     // Verify that beta_B.h is added again
  95     void incrementalCompileAddNative() throws Exception {
  96         System.out.println("\nIn incrementalCompileAddNative() ");
  97         System.out.println("Verify that beta_B.h is added again");
  98         tb.writeFile(GENSRC.resolve("beta/B.java"),
  99                      "package beta; import alfa.omega.A; public class B {"+
 100                      "private int b() { return A.DEFINITION; } "+
 101                      "@java.lang.annotation.Native final static int alfa = 42; }");
 102 
 103         compile(GENSRC.toString(),
 104                 "-d", BIN.toString(),
 105                 "--state-dir=" + BIN,
 106                 "-h", HEADERS.toString(),
 107                 "-j", "1",
 108                 "--log=debug");
 109         Map<String,Long> new_bin_state = collectState(BIN);
 110         verifyNewerFiles(previous_bin_state, new_bin_state,
 111                          BIN + "/beta/B.class",
 112                          BIN + "/beta/BINT.class",
 113                          BIN + "/javac_state");
 114         previous_bin_state = new_bin_state;
 115 
 116         Map<String,Long> new_headers_state = collectState(HEADERS);
 117         verifyThatFilesHaveBeenAdded(previous_headers_state, new_headers_state,
 118                                      HEADERS + "/beta_B.h");
 119         previous_headers_state = new_headers_state;
 120     }
 121 }