61 lines
2.2 KiB
Java
61 lines
2.2 KiB
Java
/*
|
|
* Copyright (c) 2024, 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
|
|
* @bug 8322992 8331030
|
|
* @summary Javac fails with StackOverflowError when compiling deeply nested synchronized blocks
|
|
* @run main SOEDeeplyNestedBlocksTest
|
|
*/
|
|
|
|
import java.net.*;
|
|
import java.util.*;
|
|
import javax.tools.*;
|
|
|
|
public class SOEDeeplyNestedBlocksTest {
|
|
|
|
static final int NESTING_DEPTH = 1000;
|
|
|
|
public static void main(String... args) {
|
|
var lines = new ArrayList<String>();
|
|
lines.add("class Test {");
|
|
lines.add(" static { ");
|
|
for (int i = 0; i < NESTING_DEPTH; i++) lines.add(" synchronized (Test.class) {");
|
|
for (int i = 0; i < NESTING_DEPTH; i++) lines.add(" }");
|
|
lines.add(" }");
|
|
lines.add("}");
|
|
|
|
var source = SimpleJavaFileObject.forSource(URI.create("mem://Test.java"), String.join("\n", lines));
|
|
var compiler = ToolProvider.getSystemJavaCompiler();
|
|
var task = compiler.getTask(null, null, noErrors, null, null, List.of(source));
|
|
task.call();
|
|
}
|
|
|
|
static DiagnosticListener<? super JavaFileObject> noErrors = d -> {
|
|
System.out.println(d);
|
|
if (d.getKind() == Diagnostic.Kind.ERROR) {
|
|
throw new AssertionError(d.getMessage(null));
|
|
}
|
|
};
|
|
}
|