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8234025: Elements.getPackageElement(ModuleElement,CharSequence) returns null for unnamed package

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Reviewed-by: jlahoda
This commit is contained in:
Jonathan Gibbons 2019-11-13 10:33:00 -08:00
parent 14ca254fbe
commit 71a86af40e
2 changed files with 90 additions and 0 deletions
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test/langtools/tools/javac/api/TestModuleUnnamedPackage.java Normal file
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/*
* Copyright (c) 2019, 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
* @bug 8234025
* @summary Elements.getPackageElement(ModuleElement,CharSequence) returns null for unnamed package
* @modules jdk.compiler
* @library /tools/lib /tools/javac/lib
* @build toolbox.ModuleBuilder toolbox.ToolBox
* @run main TestModuleUnnamedPackage
*/
import java.io.IOException;
import java.nio.file.Path;
import java.util.List;
import java.util.Set;
import javax.annotation.processing.RoundEnvironment;
import javax.lang.model.element.ModuleElement;
import javax.lang.model.element.PackageElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.util.Elements;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileObject;
import javax.tools.StandardJavaFileManager;
import javax.tools.StandardLocation;
import javax.tools.ToolProvider;
import com.sun.source.util.JavacTask;
import toolbox.Assert;
import toolbox.ToolBox;
public class TestModuleUnnamedPackage extends JavacTestingAbstractProcessor {
public static void main(String... args) throws IOException {
TestModuleUnnamedPackage t = new TestModuleUnnamedPackage();
t.run();
}
void run() throws IOException {
ToolBox tb = new ToolBox();
Path src = Path.of("src");
tb.writeJavaFiles(src, "module m { exports p; }",
"package p; public class C { }");
JavaCompiler c = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager fm = c.getStandardFileManager(null, null, null);
fm.setLocationFromPaths(StandardLocation.SOURCE_PATH, List.of(src));
List<String> options = List.of("-proc:only");
Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(tb.findJavaFiles(src));
JavacTask t = (JavacTask) c.getTask(null, fm, null, null, null, files);
t.setProcessors(List.of(this));
t.call();
}
public boolean process(Set<? extends TypeElement> elems, RoundEnvironment rEnv) {
if (rEnv.processingOver()) {
Elements elements = processingEnv.getElementUtils();
ModuleElement m = elements.getModuleElement("m");
PackageElement unnamed = elements.getPackageElement(m, "");
System.out.println("module m: " + m);
System.out.println("module m, unnamed package: " + unnamed);
Assert.checkNonNull(unnamed, "unnamed package in module m");
}
return true;
}
}