1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/*
* Copyright (c) 2013, 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 6271292
* @summary Verify that javap prints StackMapTable attribute contents
* @library /tools/javac/lib
* @build ToolBox
* @run main StackmapTest
*/
import java.util.Arrays;
import java.util.List;
//original test: test/tools/javap/stackmap/T6271292.sh
public class StackmapTest {
private static final String TestSrc =
"public class Test extends SuperClass {\n" +
" public static void main(String[] args) {\n" +
" new SuperClass((args[0].equals(\"0\")) ? 0 : 1)\n" +
" .test();\n" +
" }\n" +
" Test(boolean b) {\n" +
" super(b ? 1 : 2);\n" +
" }\n" +
"}\n" +
"class SuperClass {\n" +
" double d;\n" +
" SuperClass(double dd) { d = dd; }\n" +
" double test() {\n" +
" if (d == 0)\n" +
" return d;\n" +
" else\n" +
" return d > 0 ? d++ : d--;\n" +
" }\n" +
"}\n";
private static final String goldenOut =
"frame_type = 255 /* full_frame */\n" +
"frame_type = 255 /* full_frame */\n" +
"frame_type = 73 /* same_locals_1_stack_item */\n" +
"frame_type = 255 /* full_frame */\n" +
"offset_delta = 19\n" +
"offset_delta = 0\n" +
"offset_delta = 2\n" +
"stack = [ uninitialized 0, uninitialized 0 ]\n" +
"stack = [ uninitialized 0, uninitialized 0, double ]\n" +
"stack = [ this ]\n" +
"stack = [ this, double ]\n" +
"locals = [ class \"[Ljava/lang/String;\" ]\n" +
"locals = [ class \"[Ljava/lang/String;\" ]\n" +
"locals = [ this, int ]\n";
public static void main(String[] args) throws Exception {
// @compile T6271292.java
ToolBox.JavaToolArgs javacParams =
new ToolBox.JavaToolArgs().setSources(TestSrc);
ToolBox.javac(javacParams);
// "${TESTJAVA}${FS}bin${FS}javap" ${TESTTOOLVMOPTS} -classpath "${TESTCLASSES}" -verbose T6271292 > "${JAVAPFILE}"
ToolBox.JavaToolArgs javapParams =
new ToolBox.JavaToolArgs()
.setAllArgs("-v", "Test.class");
String out = ToolBox.javap(javapParams);
List<String> grepResult = ToolBox.grep("frame_type", out,
ToolBox.lineSeparator);
grepResult.addAll(ToolBox.grep("offset_delta", out, ToolBox.lineSeparator));
grepResult.addAll(ToolBox.grep("stack = ", out, ToolBox.lineSeparator));
grepResult.addAll(ToolBox.grep("locals = ", out, ToolBox.lineSeparator));
List<String> goldenList = Arrays.asList(goldenOut.split("\n"));
// diff -w "${OUTFILE}" "${TESTSRC}${FS}T6271292.out"
ToolBox.compareLines(goldenList, grepResult, true);
}
}
|
