99 lines
3.2 KiB
Java
99 lines
3.2 KiB
Java
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/*
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* Copyright (c) 2016, 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 8160156
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* @summary javac is generating let expressions unnecessarily
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* @library /tools/lib
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* @modules
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* 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 LetExpressionsAreUnnecessarilyGeneratedTest
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*/
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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 toolbox.JavacTask;
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import toolbox.Task;
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import toolbox.TestRunner;
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import toolbox.ToolBox;
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public class LetExpressionsAreUnnecessarilyGeneratedTest extends TestRunner {
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ToolBox tb;
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public static void main(String... args) throws Exception {
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new LetExpressionsAreUnnecessarilyGeneratedTest().runTests();
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}
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public LetExpressionsAreUnnecessarilyGeneratedTest() {
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super(System.err);
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tb = new ToolBox();
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}
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protected void runTests() throws Exception {
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runTests(m -> new Object[] { Paths.get(m.getName()) });
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}
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@Test
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public void testDontGenerateLetExpr(Path testBase) throws Exception {
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Path src = testBase.resolve("src");
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tb.writeJavaFiles(src,
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"package base;\n" +
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"public abstract class Base {\n" +
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" protected int i = 1;\n" +
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"}",
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"package sub;\n" +
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"import base.Base;\n" +
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"public class Sub extends Base {\n" +
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" private int i = 4;\n" +
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" void m() {\n" +
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" new Runnable() {\n" +
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" public void run() {\n" +
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" Sub.super.i += 10;\n" +
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" }\n" +
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" };\n" +
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" }\n" +
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"}");
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Path out = testBase.resolve("out");
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Files.createDirectories(out);
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Path base = src.resolve("base");
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Path sub = src.resolve("sub");
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new JavacTask(tb)
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.outdir(out)
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.files(tb.findJavaFiles(base))
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.run(Task.Expect.SUCCESS);
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new JavacTask(tb)
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.classpath(out)
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.outdir(out)
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.files(tb.findJavaFiles(sub))
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.run(Task.Expect.SUCCESS);
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}
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}
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