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 tests for single module mode compilation
  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 SingleModuleModeTest
  33  */
  34 
  35 import java.nio.file.Files;
  36 import java.nio.file.Path;
  37 import java.util.Set;
  38 
  39 import javax.annotation.processing.AbstractProcessor;
  40 import javax.annotation.processing.RoundEnvironment;
  41 import javax.annotation.processing.SupportedAnnotationTypes;
  42 import javax.lang.model.SourceVersion;
  43 import javax.lang.model.element.TypeElement;
  44 
  45 import toolbox.JavacTask;
  46 import toolbox.Task;
  47 import toolbox.ToolBox;
  48 
  49 public class SingleModuleModeTest extends ModuleTestBase{
  50 
  51     public static void main(String... args) throws Exception {
  52         new SingleModuleModeTest().run();
  53     }
  54 
  55     void run() throws Exception {
  56         tb = new ToolBox();
  57 
  58         runTests();
  59     }
  60 
  61     @Test
  62     public void testTooManyModules(Path base) throws Exception {
  63         Path src = base.resolve("src");
  64         tb.writeJavaFiles(src.resolve("m1"), "module m1 { }");
  65         tb.writeJavaFiles(src.resolve("m2"), "module m2 { }");
  66 
  67         String log = new JavacTask(tb)
  68                 .options("-XDrawDiagnostics")
  69                 .files(findJavaFiles(src))
  70                 .run(Task.Expect.FAIL)
  71                 .writeAll()
  72                 .getOutput(Task.OutputKind.DIRECT);
  73 
  74         if (!log.contains("module-info.java:1:1: compiler.err.too.many.modules"))
  75             throw new Exception("expected output not found");
  76     }
  77 
  78     @Test
  79     public void testImplicitModuleSource(Path base) throws Exception {
  80         Path src = base.resolve("src");
  81         tb.writeJavaFiles(src,
  82                 "module m { }",
  83                 "class C { }");
  84 
  85         new JavacTask(tb)
  86                 .classpath(src)
  87                 .files(src.resolve("C.java"))
  88                 .run()
  89                 .writeAll();
  90     }
  91 
  92     @Test
  93     public void testImplicitModuleClass(Path base) throws Exception {
  94         Path src = base.resolve("src");
  95         tb.writeJavaFiles(src,
  96                 "module m { }",
  97                 "class C { }");
  98         Path classes = base.resolve("classes");
  99         Files.createDirectories(classes);
 100 
 101         new JavacTask(tb)
 102                 .outdir(classes)
 103                 .files(src.resolve("module-info.java"))
 104                 .run()
 105                 .writeAll();
 106 
 107         new JavacTask(tb)
 108                 .classpath(classes)
 109                 .files(src.resolve("C.java"))
 110                 .run()
 111                 .writeAll();
 112     }
 113 
 114     @Test
 115     public void testImplicitModuleClassAP(Path base) throws Exception {
 116         Path src = base.resolve("src");
 117         tb.writeJavaFiles(src,
 118                 "module m { uses java.lang.Runnable; }",
 119                 "class C { }");
 120         Path classes = base.resolve("classes");
 121         Files.createDirectories(classes);
 122 
 123         new JavacTask(tb)
 124                 .outdir(classes)
 125                 .files(src.resolve("module-info.java"))
 126                 .run()
 127                 .writeAll();
 128 
 129         new JavacTask(tb)
 130                 .options("-processor", VerifyUsesProvides.class.getName(),
 131                          "-processorpath", System.getProperty("test.classes"))
 132                 .outdir(classes)
 133                 .classpath(classes)
 134                 .files(src.resolve("C.java"))
 135                 .run()
 136                 .writeAll();
 137     }
 138 
 139     @Test
 140     public void testImplicitModuleSourceAP(Path base) throws Exception {
 141         Path src = base.resolve("src");
 142         tb.writeJavaFiles(src,
 143                 "module m { uses java.lang.Runnable; }",
 144                 "class C { }");
 145         Path classes = base.resolve("classes");
 146         Files.createDirectories(classes);
 147 
 148         new JavacTask(tb)
 149                 .options("-processor", VerifyUsesProvides.class.getName(),
 150                          "-processorpath", System.getProperty("test.classes"))
 151                 .outdir(classes)
 152                 .sourcepath(src)
 153                 .classpath(classes)
 154                 .files(src.resolve("C.java"))
 155                 .run()
 156                 .writeAll();
 157     }
 158 
 159     @SupportedAnnotationTypes("*")
 160     public static final class VerifyUsesProvides extends AbstractProcessor {
 161 
 162         @Override
 163         public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
 164             if (processingEnv.getElementUtils().getModuleElement("m") == null) {
 165                 throw new AssertionError();
 166             }
 167 
 168             return false;
 169         }
 170 
 171         @Override
 172         public SourceVersion getSupportedSourceVersion() {
 173             return SourceVersion.latest();
 174         }
 175 
 176     }
 177 }