test/tools/javac/constDebug/ConstDebugTest.java

changeset 0
959103a6100f
child 2525
2eb010b6cb22
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/constDebug/ConstDebugTest.java	Wed Apr 27 01:34:52 2016 +0800
     1.3 @@ -0,0 +1,50 @@
     1.4 +/*
     1.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/*
    1.28 + * @test
    1.29 + * @bug 4645152 4785453
    1.30 + * @summary javac compiler incorrectly inserts <clinit> when -g is specified
    1.31 + * @run compile -g ConstDebugTest.java
    1.32 + * @run main ConstDebugTest
    1.33 + */
    1.34 +import java.nio.file.Paths;
    1.35 +import com.sun.tools.classfile.ClassFile;
    1.36 +import com.sun.tools.classfile.Method;
    1.37 +
    1.38 +public class ConstDebugTest {
    1.39 +
    1.40 +    public static final long l = 12;
    1.41 +
    1.42 +    public static void main(String args[]) throws Exception {
    1.43 +        ClassFile classFile = ClassFile.read(Paths.get(System.getProperty("test.classes"),
    1.44 +                ConstDebugTest.class.getSimpleName() + ".class"));
    1.45 +        for (Method method: classFile.methods) {
    1.46 +            if (method.getName(classFile.constant_pool).equals("<clinit>")) {
    1.47 +                throw new AssertionError(
    1.48 +                    "javac should not create a <clinit> method for ConstDebugTest class");
    1.49 +            }
    1.50 +        }
    1.51 +    }
    1.52 +
    1.53 +}

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