IncCompInheritance.java revision 3314:97ec97671022 
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 * @bug 8056258
27 * @summary Analysis of public API does not take super classes into account
28 * @library /tools/lib
29 * @modules jdk.compiler/com.sun.tools.javac.api
30 *          jdk.compiler/com.sun.tools.javac.main
31 *          jdk.jdeps/com.sun.tools.javap
32 * @build Wrapper toolbox.ToolBox
33 * @run main Wrapper IncCompInheritance
34 */
35
36import java.nio.file.Path;
37import java.nio.file.Paths;
38
39public class IncCompInheritance extends SjavacBase {
40    public static void main(String... args) throws Exception {
41
42        Path root = Paths.get(IncCompInheritance.class.getSimpleName() + "Test");
43        Path src = root.resolve("src");
44        Path classes = root.resolve("classes");
45
46        // Prep source files: A <- B <- C
47        String a = "package pkga; public class A { public void m() {} }";
48        String b = "package pkgb; public class B extends pkga.A {}";
49        String c = "package pkgc; public class C extends pkgb.B {{ new pkgb.B().m(); }}";
50        toolbox.writeFile(src.resolve("pkga/A.java"), a);
51        toolbox.writeFile(src.resolve("pkgb/B.java"), b);
52        toolbox.writeFile(src.resolve("pkgc/C.java"), c);
53
54        // Initial compile (should succeed)
55        int rc1 = compile("-d", classes, "--state-dir=" + classes, src);
56        if (rc1 != 0)
57            throw new AssertionError("Compilation failed unexpectedly");
58
59        // Remove method A.m
60        Thread.sleep(2500); // Make sure we get a new timestamp
61        String aModified = "package pkga; public class A { }";
62        toolbox.writeFile(src.resolve("pkga/A.java"), aModified);
63
64        // Incremental compile (C should now be recompiled even though it
65        // depends on A only through inheritance via B).
66        // Since A.m is removed, this should fail.
67        int rc2 = compile("-d", classes, "--state-dir=" + classes, src);
68        if (rc2 == 0)
69            throw new AssertionError("Compilation succeeded unexpectedly");
70    }
71}
72