77 lines
2.6 KiB
Java
77 lines
2.6 KiB
Java
/*
|
|
* Copyright (c) 2013, 2015, 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 8011181
|
|
* @summary javac, empty UTF8 entry generated for inner class
|
|
* @enablePreview
|
|
* @modules jdk.compiler/com.sun.tools.javac.util
|
|
*/
|
|
|
|
import java.io.BufferedInputStream;
|
|
import java.nio.file.Files;
|
|
import java.nio.file.Path;
|
|
import java.nio.file.Paths;
|
|
|
|
import com.sun.tools.javac.util.Assert;
|
|
import java.lang.classfile.*;
|
|
import java.lang.classfile.constantpool.*;
|
|
|
|
public class EmptyUTF8ForInnerClassNameTest {
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
new EmptyUTF8ForInnerClassNameTest().run();
|
|
}
|
|
|
|
void run() throws Exception {
|
|
checkClassFile(Paths.get(System.getProperty("test.classes"),
|
|
this.getClass().getName() + "$1.class"));
|
|
checkClassFile(Paths.get(System.getProperty("test.classes"),
|
|
this.getClass().getName() + "$EnumPlusSwitch.class"));
|
|
}
|
|
|
|
void checkClassFile(final Path path) throws Exception {
|
|
ClassModel classFile = ClassFile.of().parse(
|
|
new BufferedInputStream(Files.newInputStream(path)).readAllBytes());
|
|
for (PoolEntry pe : classFile.constantPool()) {
|
|
if (pe instanceof Utf8Entry utf8Info) {
|
|
Assert.check(utf8Info.stringValue().length() > 0,
|
|
"UTF8 with length 0 found at class " + classFile.thisClass().name());
|
|
}
|
|
}
|
|
}
|
|
|
|
static class EnumPlusSwitch {
|
|
|
|
public int m (Thread.State e) {
|
|
switch (e) {
|
|
case NEW:
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
}
|