135 lines
5.3 KiB
Java
135 lines
5.3 KiB
Java
/*
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* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8298727
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* @summary Verify empty package-info.java is handled properly
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* @library /tools/lib
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.main
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* @build toolbox.TestRunner toolbox.ToolBox EmptyPackageInfo
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* @run main EmptyPackageInfo
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*/
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import com.sun.source.tree.Tree;
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import com.sun.source.util.JavacTask;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import com.sun.source.util.Trees;
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import java.util.ArrayList;
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import java.util.List;
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import javax.tools.ToolProvider;
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import toolbox.TestRunner;
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import toolbox.TestRunner.Test;
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import toolbox.ToolBox;
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public class EmptyPackageInfo extends TestRunner {
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public static void main(String... args) throws Exception {
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new EmptyPackageInfo().runTests(m -> new Object[] { Paths.get(m.getName()) });
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}
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private final ToolBox tb = new ToolBox();
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public EmptyPackageInfo() {
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super(System.err);
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}
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@Test
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public void testEmptyPackageInfo(Path outerBase) throws Exception {
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Path src = outerBase.resolve("src");
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Path classes = outerBase.resolve("classes");
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Path packInfo = src.resolve("package-info.java");
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tb.writeFile(packInfo, "/**javadoc*/\n");
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Files.createDirectories(classes);
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var compiler = ToolProvider.getSystemJavaCompiler();
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try (var fm = compiler.getStandardFileManager(null,
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null,
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null)) {
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var task =
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(JavacTask) compiler.getTask(null,
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fm,
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null,
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null,
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null,
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fm.getJavaFileObjects(packInfo));
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task.analyze();
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var pack = task.getElements().getPackageElement("");
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var trees = Trees.instance(task);
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var packPath = trees.getPath(pack);
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var packTree = packPath.getLeaf();
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if (packTree.getKind() != Tree.Kind.COMPILATION_UNIT) {
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throw new AssertionError("Unexpected tree kind: " + packTree.getKind());
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}
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var actualJavadoc = trees.getDocComment(packPath);
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var expectedJavadoc = "javadoc";
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if (!expectedJavadoc.equals(actualJavadoc)) {
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throw new AssertionError("Unexpected javadoc, " +
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"expected: " + expectedJavadoc +
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", got: " + actualJavadoc);
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}
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}
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}
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@Test
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public void testMultipleFiles(Path outerBase) throws Exception {
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Path src = outerBase.resolve("src");
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Path classes = outerBase.resolve("classes");
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Path packInfo1 = src.resolve("test1").resolve("package-info.java");
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Path packInfo2 = src.resolve("test2").resolve("package-info.java");
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tb.writeFile(packInfo1, "");
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tb.writeFile(packInfo2, "");
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Files.createDirectories(classes);
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var compiler = ToolProvider.getSystemJavaCompiler();
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try (var fm = compiler.getStandardFileManager(null,
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null,
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null)) {
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var diags = new ArrayList<String>();
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var task =
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(JavacTask) compiler.getTask(null,
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fm,
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d -> diags.add(d.getCode()),
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null,
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null,
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fm.getJavaFileObjects(packInfo1,
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packInfo2));
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task.analyze();
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var expectedDiags =
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List.of("compiler.warn.pkg-info.already.seen");
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if (!expectedDiags.equals(diags)) {
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throw new AssertionError("Unexpected diags, " +
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"expected: " + expectedDiags +
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", got: " + diags);
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}
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}
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}
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}
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