Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/T8011181/EmptyUTF8ForInnerClassNameTest.java
test/tools/javac/T8011181/EmptyUTF8ForInnerClassNameTest.java
- changeset 0
- 959103a6100f
equal
deleted
inserted
replaced
| -1:000000000000 | 0:959103a6100f |
|---|---|
| 1 /* | |
| 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. Oracle designates this | |
| 8 * particular file as subject to the "Classpath" exception as provided | |
| 9 * by Oracle in the LICENSE file that accompanied this code. | |
| 10 * | |
| 11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 * accompanied this code). | |
| 16 * | |
| 17 * You should have received a copy of the GNU General Public License version | |
| 18 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 * | |
| 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 * or visit www.oracle.com if you need additional information or have any | |
| 23 * questions. | |
| 24 */ | |
| 25 | |
| 26 /* | |
| 27 * @test | |
| 28 * @bug 8011181 | |
| 29 * @summary javac, empty UTF8 entry generated for inner class | |
| 30 */ | |
| 31 | |
| 32 import java.io.BufferedInputStream; | |
| 33 import java.nio.file.Files; | |
| 34 import java.nio.file.Path; | |
| 35 import java.nio.file.Paths; | |
| 36 | |
| 37 import com.sun.tools.javac.util.Assert; | |
| 38 import com.sun.tools.classfile.ClassFile; | |
| 39 | |
| 40 import static com.sun.tools.classfile.ConstantPool.CONSTANT_Utf8; | |
| 41 import static com.sun.tools.classfile.ConstantPool.CONSTANT_Utf8_info; | |
| 42 import static com.sun.tools.classfile.ConstantPool.CPInfo; | |
| 43 | |
| 44 public class EmptyUTF8ForInnerClassNameTest { | |
| 45 | |
| 46 public static void main(String[] args) throws Exception { | |
| 47 new EmptyUTF8ForInnerClassNameTest().run(); | |
| 48 } | |
| 49 | |
| 50 void run() throws Exception { | |
| 51 checkClassFile(Paths.get(System.getProperty("test.classes"), | |
| 52 this.getClass().getName() + "$1.class")); | |
| 53 checkClassFile(Paths.get(System.getProperty("test.classes"), | |
| 54 this.getClass().getName() + "$EnumPlusSwitch.class")); | |
| 55 } | |
| 56 | |
| 57 void checkClassFile(final Path path) throws Exception { | |
| 58 ClassFile classFile = ClassFile.read( | |
| 59 new BufferedInputStream(Files.newInputStream(path))); | |
| 60 for (CPInfo cpInfo : classFile.constant_pool.entries()) { | |
| 61 if (cpInfo.getTag() == CONSTANT_Utf8) { | |
| 62 CONSTANT_Utf8_info utf8Info = (CONSTANT_Utf8_info)cpInfo; | |
| 63 Assert.check(utf8Info.value.length() > 0, | |
| 64 "UTF8 with length 0 found at class " + classFile.getName()); | |
| 65 } | |
| 66 } | |
| 67 } | |
| 68 | |
| 69 static class EnumPlusSwitch { | |
| 70 enum E {E1} | |
| 71 | |
| 72 public int m (E e) { | |
| 73 switch (e) { | |
| 74 case E1: | |
| 75 return 0; | |
| 76 } | |
| 77 return -1; | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 } |
