| /* |
| * Copyright (c) 2013, 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 |
| * @bug 4955930 |
| * @summary The "method0" StackMap attribute should have two entries instead of three |
| * @library /tools/lib |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.main |
| * jdk.jdeps/com.sun.tools.javap |
| * @build toolbox.ToolBox toolbox.JavapTask |
| * @run compile StackMapTest.java |
| * @run main StackMapTest |
| */ |
| |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| |
| import toolbox.JavapTask; |
| import toolbox.Task; |
| import toolbox.ToolBox; |
| |
| // Original test: test/tools/javac/stackmap/T4955930.sh |
| public class StackMapTest { |
| |
| class Test { |
| void method0(boolean aboolean) throws Exception { |
| label_0: |
| while (true) { |
| if (aboolean) ; |
| else break label_0; |
| } |
| } |
| } |
| |
| public static void main(String args[]) throws Exception { |
| ToolBox tb = new ToolBox(); |
| Path pathToClass = Paths.get(ToolBox.testClasses, "StackMapTest$Test.class"); |
| String javapOut = new JavapTask(tb) |
| .options("-v") |
| .classes(pathToClass.toString()) |
| .run() |
| .getOutput(Task.OutputKind.DIRECT); |
| |
| if (!javapOut.contains("StackMapTable: number_of_entries = 2")) |
| throw new AssertionError("The number of entries of the stack map " |
| + "table should be equal to 2"); |
| } |
| |
| } |