test/tools/javac/modules/AddReadsTest.java - toolchain/jdk/jdk9_langtools - Git at Google

 /*
  * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */

 /*
  * @test
  * @summary Test the -XaddReads option
  * @library /tools/lib
  * @modules jdk.compiler/com.sun.tools.javac.api
  *          jdk.compiler/com.sun.tools.javac.main
  *          jdk.jdeps/com.sun.tools.javap
  * @build ToolBox ModuleTestBase
  * @run main AddReadsTest
  */

 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Set;

 import javax.annotation.processing.AbstractProcessor;
 import javax.annotation.processing.RoundEnvironment;
 import javax.annotation.processing.SupportedAnnotationTypes;
 import javax.lang.model.SourceVersion;
 import javax.lang.model.element.ModuleElement;
 import javax.lang.model.element.ModuleElement.RequiresDirective;
 import javax.lang.model.element.TypeElement;
 import javax.lang.model.util.ElementFilter;

 public class AddReadsTest extends ModuleTestBase {

     public static void main(String... args) throws Exception {
         new AddReadsTest().runTests();
     }

     @Test
     void testAddReads(Path base) throws Exception {
         Path src = base.resolve("src");
         Path src_m1 = src.resolve("m1");
         tb.writeJavaFiles(src_m1,
                           "module m1 { exports api; }",
                           "package api; public class Api { }");
         Path src_m2 = src.resolve("m2");
         tb.writeJavaFiles(src_m2,
                           "module m2 { }",
                           "package test; public class Test extends api.Api { }");
         Path classes = base.resolve("classes");
         tb.createDirectories(classes);

         String log = tb.new JavacTask()
                 .options("-XDrawDiagnostics",
                          "-modulesourcepath", src.toString())
                 .outdir(classes)
                 .files(findJavaFiles(src))
                 .run(ToolBox.Expect.FAIL)
                 .writeAll()
                 .getOutput(ToolBox.OutputKind.DIRECT);

         if (!log.contains("Test.java:1:44: compiler.err.not.def.access.package.cant.access: api.Api, api"))
             throw new Exception("expected output not found");

         //test add dependencies:
         tb.new JavacTask()
                 .options("-XaddReads:m2=m1",
                          "-modulesourcepath", src.toString(),
                          "-processor", VerifyRequires.class.getName())
                 .outdir(classes)
                 .files(findJavaFiles(src))
                 .run()
                 .writeAll();

         String decompiled = tb.new JavapTask()
                 .options("-verbose", classes.resolve("m2").resolve("module-info.class").toString())
                 .run()
                 .getOutput(ToolBox.OutputKind.DIRECT);

         if (decompiled.contains("m1")) {
             throw new Exception("Incorrectly refers to m1 module.");
         }

         //cyclic dependencies OK when created through addReads:
         tb.new JavacTask()
                 .options("-XaddReads:m2=m1,m1=m2",
                          "-modulesourcepath", src.toString())
                 .outdir(classes)
                 .files(findJavaFiles(src))
                 .run()
                 .writeAll();

         tb.writeJavaFiles(src_m2,
                           "module m2 { requires m1; }");

         tb.new JavacTask()
                 .options("-XaddReads:m1=m2",
                          "-modulesourcepath", src.toString())
                 .outdir(classes)
                 .files(findJavaFiles(src))
                 .run()
                 .writeAll();
     }

     @SupportedAnnotationTypes("*")
     public static final class VerifyRequires extends AbstractProcessor {

         @Override
         public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
             ModuleElement m2Module = processingEnv.getElementUtils().getModuleElement("m2");
             if (m2Module == null) {
                 throw new AssertionError("Cannot find the m2 module!");
             }
             boolean foundM1 = false;
             for (RequiresDirective rd : ElementFilter.requiresIn(m2Module.getDirectives())) {
                 foundM1 |= rd.getDependency().getSimpleName().contentEquals("m1");
             }
             if (!foundM1) {
                 throw new AssertionError("Cannot find the dependency on m1 module!");
             }
             return false;
         }

         @Override
         public SourceVersion getSupportedSourceVersion() {
             return SourceVersion.latest();
         }

     }

     @Test
     void testAddReadsUnnamedModule(Path base) throws Exception {
         Path jar = prepareTestJar(base);

         Path moduleSrc = base.resolve("module-src");
         Path m1 = moduleSrc.resolve("m1");

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

         Files.createDirectories(classes);

         tb.writeJavaFiles(m1,
                           "module m1 { }",
                           "package impl; public class Impl { api.Api api; }");

         tb.new JavacTask()
           .options("-classpath", jar.toString(),
                    "-XaddReads:m1=ALL-UNNAMED",
                    "-XDrawDiagnostics")
           .outdir(classes)
           .files(findJavaFiles(moduleSrc))
           .run()
           .writeAll();
     }

     @Test
     void testAddReadsUnnamedModulePackageConflict(Path base) throws Exception {
         Path jar = prepareTestJar(base);

         Path moduleSrc = base.resolve("module-src");
         Path m1 = moduleSrc.resolve("m1");

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

         Files.createDirectories(classes);

         tb.writeJavaFiles(m1,
                           "module m1 { }",
                           "package api; public class Api { public static void test() { } }",
                           "package impl; public class Impl { { api.Api.test(); } }");

         tb.new JavacTask()
           .options("-classpath", jar.toString(),
                    "-modulesourcepath", moduleSrc.toString(),
                    "-XaddReads:m1=ALL-UNNAMED",
                    "-XDrawDiagnostics")
           .outdir(classes)
           .files(m1.resolve("impl").resolve("Impl.java"))
           .run()
           .writeAll();
     }

     @Test
     void testAddReadsUnnamedToJavaBase(Path base) throws Exception {
         Path jar = prepareTestJar(base);
         Path src = base.resolve("src");
         Path classes = base.resolve("classes");

         Files.createDirectories(classes);

         tb.writeJavaFiles(src,
                           "package impl; public class Impl { api.Api a; }");

         tb.new JavacTask()
           .options("-classpath", jar.toString(),
                    "-XaddReads:java.base=ALL-UNNAMED",
                    "-Xmodule:java.base")
           .outdir(classes)
           .files(src.resolve("impl").resolve("Impl.java"))
           .run()
           .writeAll();
     }

     @Test
     void testAddReadsToJavaBase(Path base) throws Exception {
         Path src = base.resolve("src");
         Path classes = base.resolve("classes");

         Files.createDirectories(classes);

         tb.writeJavaFiles(src,
                           "package impl; public class Impl { javax.swing.JButton b; }");

         tb.new JavacTask()
           .options("-XaddReads:java.base=java.desktop",
                    "-Xmodule:java.base")
           .outdir(classes)
           .files(findJavaFiles(src))
           .run()
           .writeAll();
     }

     private Path prepareTestJar(Path base) throws Exception {
         Path legacySrc = base.resolve("legacy-src");
         tb.writeJavaFiles(legacySrc,
                           "package api; public abstract class Api {}");
         Path legacyClasses = base.resolve("legacy-classes");
         Files.createDirectories(legacyClasses);

         String log = tb.new JavacTask()
                 .options()
                 .outdir(legacyClasses)
                 .files(findJavaFiles(legacySrc))
                 .run()
                 .writeAll()
                 .getOutput(ToolBox.OutputKind.DIRECT);

         if (!log.isEmpty()) {
             throw new Exception("unexpected output: " + log);
         }

         Path lib = base.resolve("lib");

         Files.createDirectories(lib);

         Path jar = lib.resolve("test-api-1.0.jar");

         tb.new JarTask(jar)
           .baseDir(legacyClasses)
           .files("api/Api.class")
           .run();

         return jar;
     }

     @Test
     void testX(Path base) throws Exception {
         Path src = base.resolve("src");
         Path src_m1 = src.resolve("m1");
         tb.writeJavaFiles(src_m1,
                           "module m1 { provides java.lang.Runnable with impl.Impl; }",
                           "package impl; public class Impl implements Runnable { public void run() { } }");
         Path classes = base.resolve("classes");
         tb.createDirectories(classes);

         tb.new JavacTask()
                 .options("-modulesourcepath", src.toString())
                 .outdir(classes)
                 .files(findJavaFiles(src))
                 .run()
                 .writeAll();

         Path unnamedSrc = base.resolve("unnamed-src");
         Path unnamedClasses = base.resolve("unnamed-classes");

         Files.createDirectories(unnamedClasses);

         tb.writeJavaFiles(unnamedSrc,
                           "package impl; public class Impl { }");

         tb.new JavacTask()
           .options("-XaddReads:m1=ALL-UNNAMED",
                    "-Xmodule:m1",
                    "-modulepath", classes.toString())
           .outdir(unnamedClasses)
           .files(findJavaFiles(unnamedSrc))
           .run()
           .writeAll();
     }
 }
	/*
	* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	/*
	* @test
	* @summary Test the -XaddReads option
	* @library /tools/lib
	* @modules jdk.compiler/com.sun.tools.javac.api
	* jdk.compiler/com.sun.tools.javac.main
	* jdk.jdeps/com.sun.tools.javap
	* @build ToolBox ModuleTestBase
	* @run main AddReadsTest
	*/

	import java.nio.file.Files;
	import java.nio.file.Path;
	import java.util.Set;

	import javax.annotation.processing.AbstractProcessor;
	import javax.annotation.processing.RoundEnvironment;
	import javax.annotation.processing.SupportedAnnotationTypes;
	import javax.lang.model.SourceVersion;
	import javax.lang.model.element.ModuleElement;
	import javax.lang.model.element.ModuleElement.RequiresDirective;
	import javax.lang.model.element.TypeElement;
	import javax.lang.model.util.ElementFilter;

	public class AddReadsTest extends ModuleTestBase {

	public static void main(String... args) throws Exception {
	new AddReadsTest().runTests();
	}

	@Test
	void testAddReads(Path base) throws Exception {
	Path src = base.resolve("src");
	Path src_m1 = src.resolve("m1");
	tb.writeJavaFiles(src_m1,
	"module m1 { exports api; }",
	"package api; public class Api { }");
	Path src_m2 = src.resolve("m2");
	tb.writeJavaFiles(src_m2,
	"module m2 { }",
	"package test; public class Test extends api.Api { }");
	Path classes = base.resolve("classes");
	tb.createDirectories(classes);

	String log = tb.new JavacTask()
	.options("-XDrawDiagnostics",
	"-modulesourcepath", src.toString())
	.outdir(classes)
	.files(findJavaFiles(src))
	.run(ToolBox.Expect.FAIL)
	.writeAll()
	.getOutput(ToolBox.OutputKind.DIRECT);

	if (!log.contains("Test.java:1:44: compiler.err.not.def.access.package.cant.access: api.Api, api"))
	throw new Exception("expected output not found");

	//test add dependencies:
	tb.new JavacTask()
	.options("-XaddReads:m2=m1",
	"-modulesourcepath", src.toString(),
	"-processor", VerifyRequires.class.getName())
	.outdir(classes)
	.files(findJavaFiles(src))
	.run()
	.writeAll();

	String decompiled = tb.new JavapTask()
	.options("-verbose", classes.resolve("m2").resolve("module-info.class").toString())
	.run()
	.getOutput(ToolBox.OutputKind.DIRECT);

	if (decompiled.contains("m1")) {
	throw new Exception("Incorrectly refers to m1 module.");
	}

	//cyclic dependencies OK when created through addReads:
	tb.new JavacTask()
	.options("-XaddReads:m2=m1,m1=m2",
	"-modulesourcepath", src.toString())
	.outdir(classes)
	.files(findJavaFiles(src))
	.run()
	.writeAll();

	tb.writeJavaFiles(src_m2,
	"module m2 { requires m1; }");

	tb.new JavacTask()
	.options("-XaddReads:m1=m2",
	"-modulesourcepath", src.toString())
	.outdir(classes)
	.files(findJavaFiles(src))
	.run()
	.writeAll();
	}

	@SupportedAnnotationTypes("*")
	public static final class VerifyRequires extends AbstractProcessor {

	@Override
	public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
	ModuleElement m2Module = processingEnv.getElementUtils().getModuleElement("m2");
	if (m2Module == null) {
	throw new AssertionError("Cannot find the m2 module!");
	}
	boolean foundM1 = false;
	for (RequiresDirective rd : ElementFilter.requiresIn(m2Module.getDirectives())) {
	foundM1 \|= rd.getDependency().getSimpleName().contentEquals("m1");
	}
	if (!foundM1) {
	throw new AssertionError("Cannot find the dependency on m1 module!");
	}
	return false;
	}

	@Override
	public SourceVersion getSupportedSourceVersion() {
	return SourceVersion.latest();
	}

	}

	@Test
	void testAddReadsUnnamedModule(Path base) throws Exception {
	Path jar = prepareTestJar(base);

	Path moduleSrc = base.resolve("module-src");
	Path m1 = moduleSrc.resolve("m1");

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

	Files.createDirectories(classes);

	tb.writeJavaFiles(m1,
	"module m1 { }",
	"package impl; public class Impl { api.Api api; }");

	tb.new JavacTask()
	.options("-classpath", jar.toString(),
	"-XaddReads:m1=ALL-UNNAMED",
	"-XDrawDiagnostics")
	.outdir(classes)
	.files(findJavaFiles(moduleSrc))
	.run()
	.writeAll();
	}

	@Test
	void testAddReadsUnnamedModulePackageConflict(Path base) throws Exception {
	Path jar = prepareTestJar(base);

	Path moduleSrc = base.resolve("module-src");
	Path m1 = moduleSrc.resolve("m1");

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

	Files.createDirectories(classes);

	tb.writeJavaFiles(m1,
	"module m1 { }",
	"package api; public class Api { public static void test() { } }",
	"package impl; public class Impl { { api.Api.test(); } }");

	tb.new JavacTask()
	.options("-classpath", jar.toString(),
	"-modulesourcepath", moduleSrc.toString(),
	"-XaddReads:m1=ALL-UNNAMED",
	"-XDrawDiagnostics")
	.outdir(classes)
	.files(m1.resolve("impl").resolve("Impl.java"))
	.run()
	.writeAll();
	}

	@Test
	void testAddReadsUnnamedToJavaBase(Path base) throws Exception {
	Path jar = prepareTestJar(base);
	Path src = base.resolve("src");
	Path classes = base.resolve("classes");

	Files.createDirectories(classes);

	tb.writeJavaFiles(src,
	"package impl; public class Impl { api.Api a; }");

	tb.new JavacTask()
	.options("-classpath", jar.toString(),
	"-XaddReads:java.base=ALL-UNNAMED",
	"-Xmodule:java.base")
	.outdir(classes)
	.files(src.resolve("impl").resolve("Impl.java"))
	.run()
	.writeAll();
	}

	@Test
	void testAddReadsToJavaBase(Path base) throws Exception {
	Path src = base.resolve("src");
	Path classes = base.resolve("classes");

	Files.createDirectories(classes);

	tb.writeJavaFiles(src,
	"package impl; public class Impl { javax.swing.JButton b; }");

	tb.new JavacTask()
	.options("-XaddReads:java.base=java.desktop",
	"-Xmodule:java.base")
	.outdir(classes)
	.files(findJavaFiles(src))
	.run()
	.writeAll();
	}

	private Path prepareTestJar(Path base) throws Exception {
	Path legacySrc = base.resolve("legacy-src");
	tb.writeJavaFiles(legacySrc,
	"package api; public abstract class Api {}");
	Path legacyClasses = base.resolve("legacy-classes");
	Files.createDirectories(legacyClasses);

	String log = tb.new JavacTask()
	.options()
	.outdir(legacyClasses)
	.files(findJavaFiles(legacySrc))
	.run()
	.writeAll()
	.getOutput(ToolBox.OutputKind.DIRECT);

	if (!log.isEmpty()) {
	throw new Exception("unexpected output: " + log);
	}

	Path lib = base.resolve("lib");

	Files.createDirectories(lib);

	Path jar = lib.resolve("test-api-1.0.jar");

	tb.new JarTask(jar)
	.baseDir(legacyClasses)
	.files("api/Api.class")
	.run();

	return jar;
	}

	@Test
	void testX(Path base) throws Exception {
	Path src = base.resolve("src");
	Path src_m1 = src.resolve("m1");
	tb.writeJavaFiles(src_m1,
	"module m1 { provides java.lang.Runnable with impl.Impl; }",
	"package impl; public class Impl implements Runnable { public void run() { } }");
	Path classes = base.resolve("classes");
	tb.createDirectories(classes);

	tb.new JavacTask()
	.options("-modulesourcepath", src.toString())
	.outdir(classes)
	.files(findJavaFiles(src))
	.run()
	.writeAll();

	Path unnamedSrc = base.resolve("unnamed-src");
	Path unnamedClasses = base.resolve("unnamed-classes");

	Files.createDirectories(unnamedClasses);

	tb.writeJavaFiles(unnamedSrc,
	"package impl; public class Impl { }");

	tb.new JavacTask()
	.options("-XaddReads:m1=ALL-UNNAMED",
	"-Xmodule:m1",
	"-modulepath", classes.toString())
	.outdir(unnamedClasses)
	.files(findJavaFiles(unnamedSrc))
	.run()
	.writeAll();
	}
	}