1 /*
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   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  * @build Wrapper toolbox.ToolBox
  35  * @run main Wrapper IncCompileChangeNative
  36  */
  37 
  38 import java.util.*;
  39 import java.nio.file.*;
  40 
  41 public class IncCompileChangeNative extends SJavacTester {
  42     public static void main(String... args) throws Exception {
  43         IncCompileChangeNative cn = new IncCompileChangeNative();
  44         cn.test();
  45     }
  46 
  47     // Remember the previous bin and headers state here.
  48     Map<String,Long> previous_bin_state;
  49     Map<String,Long> previous_headers_state;
  50 
  51     void test() throws Exception {
  52         Files.createDirectories(GENSRC);
  53         Files.createDirectories(BIN);
  54         Files.createDirectories(HEADERS);
  55 
  56         initialCompile();
  57         incrementalCompileDropAllNatives();
  58         incrementalCompileAddNative();
  59     }
  60 
  61     // Update B.java with one less native method i.e. it has no longer any methods
  62     // Verify that beta_B.h is removed
  63     void incrementalCompileDropAllNatives() throws Exception {
  64         previous_bin_state = collectState(BIN);
  65         previous_headers_state = collectState(HEADERS);
  66         System.out.println("\nIn incrementalCompileDropAllNatives() ");
  67         System.out.println("Verify that beta_B.h is removed");
  68         tb.writeFile(GENSRC.resolve("beta/B.java"),
  69                      "package beta; import alfa.omega.A; " +
  70                      "public class B { private int b() { return A.DEFINITION; } }");
  71 
  72         compile(GENSRC.toString(),
  73                 "-d", BIN.toString(),
  74                 "--state-dir=" + BIN,
  75                 "-h", HEADERS.toString(),
  76                 "-j", "1",
  77                 "--log=debug");
  78         Map<String,Long> new_bin_state = collectState(BIN);
  79         verifyNewerFiles(previous_bin_state, new_bin_state,
  80                          BIN + "/beta/B.class",
  81                          BIN + "/beta/BINT.class",
  82                          BIN + "/javac_state");
  83         previous_bin_state = new_bin_state;
  84 
  85         Map<String,Long> new_headers_state = collectState(HEADERS);
  86         verifyThatFilesHaveBeenRemoved(previous_headers_state, new_headers_state,
  87                                        HEADERS + "/beta_B.h");
  88         previous_headers_state = new_headers_state;
  89     }
  90 
  91     // Update the B.java with a final static annotated with @Native
  92     // Verify that beta_B.h is added again
  93     void incrementalCompileAddNative() throws Exception {
  94         System.out.println("\nIn incrementalCompileAddNative() ");
  95         System.out.println("Verify that beta_B.h is added again");
  96         tb.writeFile(GENSRC.resolve("beta/B.java"),
  97                      "package beta; import alfa.omega.A; public class B {"+
  98                      "private int b() { return A.DEFINITION; } "+
  99                      "@java.lang.annotation.Native final static int alfa = 42; }");
 100 
 101         compile(GENSRC.toString(),
 102                 "-d", BIN.toString(),
 103                 "--state-dir=" + BIN,
 104                 "-h", HEADERS.toString(),
 105                 "-j", "1",
 106                 "--log=debug");
 107         Map<String,Long> new_bin_state = collectState(BIN);
 108         verifyNewerFiles(previous_bin_state, new_bin_state,
 109                          BIN + "/beta/B.class",
 110                          BIN + "/beta/BINT.class",
 111                          BIN + "/javac_state");
 112         previous_bin_state = new_bin_state;
 113 
 114         Map<String,Long> new_headers_state = collectState(HEADERS);
 115         verifyThatFilesHaveBeenAdded(previous_headers_state, new_headers_state,
 116                                      HEADERS + "/beta_B.h");
 117         previous_headers_state = new_headers_state;
 118     }
 119 }