1 /*
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   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 javac compilation modes
  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.JarTask toolbox.JavacTask ModuleTestBase
  32  * @run main HelloWorldTest
  33  */
  34 
  35 import java.nio.file.*;
  36 import javax.tools.*;
  37 
  38 import toolbox.JarTask;
  39 import toolbox.JavacTask;
  40 import toolbox.Task;
  41 import toolbox.ToolBox;
  42 
  43 public class HelloWorldTest extends ModuleTestBase {
  44     public static void main(String... args) throws Exception {
  45         HelloWorldTest t = new HelloWorldTest();
  46         t.runTests();
  47     }
  48 
  49     public static final String HELLO_WORLD =
  50           "class HelloWorld {\n"
  51         + "    public static void main(String... args) {\n"
  52         + "        System.out.println(\"Hello World!\");\n"
  53         + "    }\n"
  54         + "}";
  55 
  56     public static final String PKG_HELLO_WORLD =
  57           "package p;\n"
  58         + HELLO_WORLD;
  59 
  60     @Test
  61     public void testLegacyMode(Path base) throws Exception {
  62         Path src = base.resolve("src");
  63         tb.writeJavaFiles(src, HELLO_WORLD);
  64 
  65         Path classes = base.resolve("classes");
  66         Files.createDirectories(classes);
  67 
  68         Path smallRtJar = base.resolve("small-rt.jar");
  69         try (JavaFileManager fm = ToolProvider.getSystemJavaCompiler().getStandardFileManager(null, null, null)) {
  70             new JarTask(tb, smallRtJar)
  71                 .files(fm, StandardLocation.PLATFORM_CLASS_PATH,
  72                     "java.lang.**", "java.io.*", "java.util.*")
  73                 .run();
  74         }
  75 
  76         new JavacTask(tb)
  77             .options("-source", "8",
  78                 "-target", "8",
  79                 "--boot-class-path", smallRtJar.toString())
  80             .outdir(classes)
  81             .files(src.resolve("HelloWorld.java"))
  82             .run();
  83 
  84         checkFiles(classes.resolve("HelloWorld.class"));
  85     }
  86 
  87     @Test
  88     public void testUnnamedModule(Path base) throws Exception {
  89         Path src = base.resolve("src");
  90         tb.writeJavaFiles(src, HELLO_WORLD);
  91 
  92         Path classes = base.resolve("classes");
  93         Files.createDirectories(classes);
  94 
  95         new JavacTask(tb)
  96             .outdir(classes)
  97             .files(src.resolve("HelloWorld.java"))
  98             .run();
  99 
 100         checkFiles(classes.resolve("HelloWorld.class"));
 101     }
 102 
 103     @Test
 104     public void testSingleModule(Path base) throws Exception {
 105         Path src = base.resolve("src");
 106         tb.writeFile(src.resolve("module-info.java"), "module m { }");
 107         tb.writeJavaFiles(src, PKG_HELLO_WORLD);
 108 
 109         Path classes = base.resolve("classes");
 110         Files.createDirectories(classes);
 111 
 112         new JavacTask(tb, Task.Mode.CMDLINE)
 113             .outdir(classes)
 114             .files(src.resolve("module-info.java"), src.resolve("p/HelloWorld.java"))
 115             .run()
 116             .writeAll();
 117 
 118         checkFiles(
 119             classes.resolve("module-info.class"),
 120             classes.resolve("p/HelloWorld.class"));
 121     }
 122 
 123     @Test
 124     public void testModuleSourcePath(Path base) throws Exception {
 125         Path src = base.resolve("src");
 126         Path src_m1 = src.resolve("m1");
 127         tb.writeFile(src_m1.resolve("module-info.java"), "module m1 { }");
 128         tb.writeJavaFiles(src_m1, PKG_HELLO_WORLD);
 129 
 130         Path classes = base.resolve("classes");
 131         Files.createDirectories(classes);
 132 
 133         new JavacTask(tb)
 134             .options("--module-source-path", src.toString())
 135             .outdir(classes)
 136             .files(src_m1.resolve("p/HelloWorld.java"))
 137             .run()
 138             .writeAll();
 139 
 140         checkFiles(
 141             classes.resolve("m1/module-info.class"),
 142             classes.resolve("m1/p/HelloWorld.class"));
 143     }
 144 
 145     void checkFiles(Path... files) throws Exception {
 146         for (Path f: files) {
 147             if (!Files.exists(f))
 148                 throw new Exception("expected file not found: " + f);
 149         }
 150     }
 151 }