RepeatedUsesAndProvidesTest.java revision 3792:d516975e8110 
1/*
2 * Copyright (c) 2015, 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 8145012
26 * @summary Javac doesn't report errors on duplicate uses or provides
27 * @library /tools/lib
28 * @modules
29 *      jdk.compiler/com.sun.tools.javac.api
30 *      jdk.compiler/com.sun.tools.javac.main
31 * @build toolbox.ToolBox toolbox.JavacTask ModuleTestBase
32 * @run main RepeatedUsesAndProvidesTest
33 */
34
35import java.nio.file.Files;
36import java.nio.file.Path;
37
38import toolbox.JavacTask;
39import toolbox.Task;
40import toolbox.ToolBox;
41
42public class RepeatedUsesAndProvidesTest extends ModuleTestBase {
43    public static void main(String... args) throws Exception {
44        RepeatedUsesAndProvidesTest t = new RepeatedUsesAndProvidesTest();
45        t.runTests();
46    }
47
48    @Test
49    public void testDuplicateUses(Path base) throws Exception {
50        Path src = base.resolve("src");
51        tb.writeJavaFiles(src,
52                "module m { uses p1.C1; uses p1.C1; }",
53                "package p1; public class C1 {}");
54        Path classes = base.resolve("classes");
55        Files.createDirectories(classes);
56
57        String log = new JavacTask(tb)
58                .options("-XDrawDiagnostics")
59                .outdir(classes)
60                .files(findJavaFiles(src))
61                .run(Task.Expect.FAIL)
62                .writeAll()
63                .getOutput(Task.OutputKind.DIRECT);
64        if (!log.contains("module-info.java:1:24: compiler.err.duplicate.uses: p1.C1"))
65            throw new Exception("expected output not found");
66    }
67
68    @Test
69    public void testDuplicateProvides(Path base) throws Exception {
70        Path src = base.resolve("src");
71        tb.writeJavaFiles(src,
72                "module m { provides p1.C1 with p2.C2; provides p1.C1 with p2.C2; }",
73                "package p1; public class C1 {}",
74                "package p2; public class C2 extends p1.C1 {}");
75        Path classes = base.resolve("classes");
76        Files.createDirectories(classes);
77
78        String log = new JavacTask(tb)
79                .options("-XDrawDiagnostics")
80                .outdir(classes)
81                .files(findJavaFiles(src))
82                .run(Task.Expect.FAIL)
83                .writeAll()
84                .getOutput(Task.OutputKind.DIRECT);
85        if (!log.contains("module-info.java:1:61: compiler.err.duplicate.provides"))
86            throw new Exception("expected output not found");
87    }
88}
89