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

    26  * @summary simple tests of module uses

    27  * @library /tools/lib

    28  * @modules jdk.compiler/com.sun.tools.javac.api

    29  *          jdk.compiler/com.sun.tools.javac.main

    30  *          jdk.jdeps/com.sun.tools.classfile

    31  * @build toolbox.ToolBox toolbox.JavacTask toolbox.ModuleBuilder ModuleTestBase

    32  * @run main ModuleVersion

    33  */

    34 

    35 import java.io.IOException;

    36 import java.nio.file.Files;

    37 import java.nio.file.Path;

    38 

    39 import com.sun.tools.classfile.Attribute;

    40 import com.sun.tools.classfile.ClassFile;

    41 import com.sun.tools.classfile.ConstantPoolException;

    42 import com.sun.tools.classfile.Module_attribute;

    43 import toolbox.JavacTask;

    44 import toolbox.Task.Expect;

    45 import toolbox.Task.OutputKind;

    46 

    47 public class ModuleVersion extends ModuleTestBase {

    48     public static void main(String... args) throws Exception {

    49         ModuleVersion t = new ModuleVersion();

    50         t.runTests();

    51     }

    52 

    53     @Test

    54     public void testSetSingleModuleVersion(Path base) throws Exception {

    55         Path src = base.resolve("src");

    56         tb.writeJavaFiles(src,

    57                 "module m { }");

    58         Path classes = base.resolve("classes");

    59         Files.createDirectories(classes);

    60 

    61         String version = "1.2.3.4";

    62 

    63         new JavacTask(tb)

    64             .options("--module-version", version)

    65             .outdir(classes)

    66             .files(findJavaFiles(src))

    67             .run()

    68             .writeAll();

    69 

    70         checkModuleVersion(classes.resolve("module-info.class"), version);

    71     }

    72 

    73     @Test

    74     public void testMultipleModuleVersions(Path base) throws Exception {

    75         Path src = base.resolve("src");

    76         Path m1 = src.resolve("m1");

    77         tb.writeJavaFiles(m1,

    78                 "module m1 { }");

    79         Path m2 = src.resolve("m2");

    80         tb.writeJavaFiles(m2,

    81                 "module m2 { }");

    82         Path classes = base.resolve("classes");

    83         Files.createDirectories(classes);

    84 

    85         String version = "1.2.3.4";

    86 

    87         new JavacTask(tb)

    88             .options("--module-source-path", src.toString(),

    89                      "--module-version", version)

    90             .outdir(classes)

    91             .files(findJavaFiles(src))

    92             .run()

    93             .writeAll();

    94 

    95         checkModuleVersion(classes.resolve("m1").resolve("module-info.class"), version);

    96         checkModuleVersion(classes.resolve("m2").resolve("module-info.class"), version);

    97 

    98         String log = new JavacTask(tb, JavacTask.Mode.CMDLINE)

    99             .options("--module-source-path", src.toString(),

   100                      "--module-version", "b",

   101                      "-XDrawDiagnostics")

   102             .outdir(classes)

   103             .files(findJavaFiles(src))

   104             .run(Expect.FAIL)

   105             .writeAll()

   106             .getOutput(OutputKind.DIRECT);

   107 

   108         String expectedLog = "bad value for --module-version option: 'b'";

   109 

   110         if (!log.contains(expectedLog)) {

   111             throw new AssertionError("Incorrect log: " + log);

   112         }

   113     }

   114 

   115     private void checkModuleVersion(Path classfile, String version) throws IOException, ConstantPoolException {

   116         ClassFile cf = ClassFile.read(classfile);

   117 

   118         Module_attribute moduleAttribute = (Module_attribute) cf.attributes.get(Attribute.Module);

   119 

   120         if (moduleAttribute == null) {

   121             throw new AssertionError("Version attribute missing!");

   122         }

   123 

   124         String actualVersion = cf.constant_pool.getUTF8Value(moduleAttribute.module_version_index);

   125 

   126         if (!version.equals(actualVersion)) {

   127             throw new AssertionError("Incorrect version in the classfile: " + actualVersion);

   128         }

   129     }

   130 

   131 }