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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 {
main(String... args)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 
test()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
incrementalCompileDropAllNatives()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
incrementalCompileAddNative()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 }
120