99 lines
3.2 KiB
Java
99 lines
3.2 KiB
Java
/*
|
|
* 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);
|
|
}
|
|
}
|