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