MissingModuleTest.java revision 3944:7bb9b0d10b22 
1/*
2 * Copyright (c) 2017, 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 8172240
27 * @summary javac should not need the transitive closure to compile a module
28 * @library /tools/lib
29 * @modules
30 *      jdk.compiler/com.sun.tools.javac.api
31 *      jdk.compiler/com.sun.tools.javac.code
32 *      jdk.compiler/com.sun.tools.javac.main
33 *      jdk.compiler/com.sun.tools.javac.processing
34 * @build toolbox.ToolBox toolbox.JavacTask toolbox.ModuleBuilder ModuleTestBase
35 * @run main MissingModuleTest
36 */
37
38import java.nio.file.Files;
39import java.nio.file.Path;
40import java.util.Arrays;
41import java.util.List;
42
43import toolbox.JavacTask;
44import toolbox.Task;
45import toolbox.Task.Expect;
46
47public class MissingModuleTest extends ModuleTestBase {
48
49    public static void main(String... args) throws Exception {
50        new MissingModuleTest().runTests();
51    }
52
53    @Test
54    public void testMissingNotNeeded(Path base) throws Exception {
55        doTest(base, "m1x", new String[0]);
56    }
57
58    @Test
59    public void testMissingNeededTransitive(Path base) throws Exception {
60        doTest(base, "m2x", "- compiler.err.module.not.found: m2x", "1 error");
61    }
62
63    @Test
64    public void testMissingNeededDirect(Path base) throws Exception {
65        doTest(base, "m3x", "module-info.java:1:24: compiler.err.module.not.found: m3x", "1 error");
66    }
67
68    @Test
69    public void testMultipleErrors(Path base) throws Exception {
70        doTest(base, "m4x", "module-info.java:1:38: compiler.err.module.not.found: m4x", "1 error");
71    }
72
73    private void doTest(Path base, String toDelete, String... errors) throws Exception {
74        //note: avoiding use of java.base, as that gets special handling on some places:
75        Path srcMP = base.resolve("src-mp");
76        Path m1x = srcMP.resolve("m1x");
77        tb.writeJavaFiles(m1x,
78                          "module m1x { exports api1; }",
79                          "package api1; public interface Api { }");
80        Path m2x = srcMP.resolve("m2x");
81        tb.writeJavaFiles(m2x,
82                          "module m2x { requires m1x; exports api2; }",
83                          "package api2; public interface Api { }");
84        Path m3x = srcMP.resolve("m3x");
85        tb.writeJavaFiles(m3x,
86                          "module m3x { requires transitive m2x; }");
87        Path m4x = srcMP.resolve("m4x");
88        tb.writeJavaFiles(m4x,
89                          "module m4x { requires transitive m2x; }");
90        Path m5x = srcMP.resolve("m5x");
91        tb.writeJavaFiles(m5x,
92                          "module m5x { requires transitive m4x; }");
93        Path classesMP = base.resolve("classes-mp");
94        tb.createDirectories(classesMP);
95
96        new JavacTask(tb)
97            .options("--module-source-path", srcMP.toString())
98            .outdir(classesMP)
99            .files(findJavaFiles(srcMP))
100            .run()
101            .writeAll();
102
103        tb.cleanDirectory(classesMP.resolve(toDelete));
104        Files.delete(classesMP.resolve(toDelete));
105
106        Path src = base.resolve("src");
107        tb.writeJavaFiles(src,
108                          "module test { requires m3x; requires m4x; requires m5x; } ");
109        Path classes = base.resolve("classes");
110        tb.createDirectories(classes);
111
112        List<String> log = new JavacTask(tb)
113                .options("--module-path", classesMP.toString(),
114                         "-XDrawDiagnostics")
115                .outdir(classes)
116                .files(findJavaFiles(src))
117                .run(errors.length > 0 ? Expect.FAIL : Expect.SUCCESS)
118                .writeAll()
119                .getOutputLines(Task.OutputKind.DIRECT);
120
121        if (errors.length == 0) {
122            errors = new String[] {""};
123        }
124
125        if (!log.equals(Arrays.asList(errors)))
126            throw new Exception("expected output not found: " + log);
127    }
128
129}
130