110 lines
3.5 KiB
Java
110 lines
3.5 KiB
Java
/*
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* Copyright (c) 2023, 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 8315458
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* @enablePreview
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* @summary Make sure nesting classes don't create symbol conflicts with implicit name.
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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.ToolBox toolbox.JavacTask
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* @run main NestedClasses
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*/
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.List;
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import toolbox.ToolBox;
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import toolbox.JavaTask;
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import toolbox.JavacTask;
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import toolbox.Task;
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public class NestedClasses {
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private static ToolBox TOOLBOX = new ToolBox();
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private static final String JAVA_VERSION = System.getProperty("java.specification.version");
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public static void main(String... arg) throws IOException {
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compPass("A.java", """
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void main() {}
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class A {} // okay
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""");
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compPass("A.java", """
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void main() {}
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class B {
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class A { } // okay
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}
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""");
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compFail("A.java", """
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void main() {}
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class B {
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class B { } //error
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}
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""");
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}
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/*
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* Test source for successful compile.
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*/
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static void compPass(String fileName, String code) throws IOException {
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Path path = Path.of(fileName);
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Files.writeString(path, code);
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String output = new JavacTask(TOOLBOX)
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.files(List.of(path))
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.classpath(".")
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.options("-encoding", "utf8", "--enable-preview", "-source", JAVA_VERSION)
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.run()
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.writeAll()
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.getOutput(Task.OutputKind.DIRECT);
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if (output.contains("compiler.err")) {
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throw new RuntimeException("Error detected");
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}
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}
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/*
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* Test source for unsuccessful compile and specific error.
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*/
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static void compFail(String fileName, String code) throws IOException {
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Path path = Path.of(fileName);
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Files.writeString(path, code);
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String output = new JavacTask(TOOLBOX)
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.files(List.of(path))
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.classpath(".")
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.options("-XDrawDiagnostics", "-encoding", "utf8", "--enable-preview", "-source", JAVA_VERSION)
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.run(Task.Expect.FAIL)
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.writeAll()
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.getOutput(Task.OutputKind.DIRECT);
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if (!output.contains("compiler.err")) {
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throw new RuntimeException("No error detected");
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}
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}
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}
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