Thu, 20 Mar 2014 10:42:00 -0700
Merge
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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
24 /*
25 * @test
26 * @bug 4955930
27 * @summary The "method0" StackMap attribute should have two entries instead of three
28 * @library /tools/javac/lib
29 * @build ToolBox
30 * @run compile -source 6 -target 6 StackMapTest.java
31 * @run main StackMapTest
32 */
34 import java.nio.file.Path;
35 import java.nio.file.Paths;
37 //original test: test/tools/javac/stackmap/T4955930.sh
38 public class StackMapTest {
40 class Test {
41 void method0(boolean aboolean) throws Exception {
42 label_0:
43 while (true) {
44 if (aboolean) ;
45 else break label_0;
46 }
47 }
48 }
50 public static void main(String args[]) throws Exception {
51 // "${TESTJAVA}${FS}bin${FS}javac" ${TESTTOOLVMOPTS} -source 6 -target 6 T4955930.java
53 // "${TESTJAVA}${FS}bin${FS}javap" ${TESTTOOLVMOPTS} -verbose T4955930 > ${TMP1}
54 Path pathToClass = Paths.get(System.getProperty("test.classes"),
55 "StackMapTest$Test.class");
56 ToolBox.JavaToolArgs javapArgs =
57 new ToolBox.JavaToolArgs().setAllArgs("-v", pathToClass.toString());
59 // grep "StackMapTable: number_of_entries = 2" ${TMP1}
60 if (!ToolBox.javap(javapArgs).contains("StackMapTable: number_of_entries = 2"))
61 throw new AssertionError("The number of entries of the stack map "
62 + "table should be equal to 2");
63 }
65 }