1 #!/bin/sh
2
3 #
4 # Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved.
5 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 #
7 # This code is free software; you can redistribute it and/or modify it
8 # under the terms of the GNU General Public License version 2 only, as
9 # published by the Free Software Foundation.
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 # @test
27 # @bug 4511950 4843082
28 # @summary 1. jdb's expression evaluation doesn't perform string conversion properly
29 # 2. TTY: run on expression evaluation
30 # @author jim/suvasis mukherjee
31 #
32 # @key intermittent
33 # @run shell StringConvertTest.sh
34
35 # Run this script to see the bug. See comments at the end
36 # of the .java file for info on what the bug looks like.
37
38 # These are variables that can be set to control execution
39
40 #pkg=untitled7
41 classname=StringConvertTest
42 compileOptions=-g
43 #java=java_g
44 #mode=-Xcomp
45
46 #jdbOptions=-dbgtrace
47 createJavaFile()
48 {
49 cat <<EOF > $1.java.1
50
51 class $classname {
52 String me;
53 static JJ1 x1;
54 static JJ2 x2;
55 static JJ2[] x3 = new JJ2[2];
56 static String x4 = "abc";
57 static int ii = 89;
58 static String grower = "grower";
59 static StringBuffer sbGrower = new StringBuffer("sbGrower");
60 int ivar = 89;
61 $classname(String xx) {
62 me = xx;
63 }
64
65 static String fred() {
66 return "a static method";
67 }
68
69 void gus() {
70 int gusLoc = 1;
71 StringBuffer sbTim = new StringBuffer("tim");
72 int kk = 1; //@1 breakpoint
73 }
74
75 static String growit(String extra) {
76 grower += extra;
77 return grower;
78 }
79
80 static String sbGrowit(String extra) {
81 sbGrower.append(extra);
82 return sbGrower.toString();
83 }
84
85 public static void main(String[] args) {
86 x1 = new JJ1("first JJ1");
87 x2 = new JJ2("first JJ2");
88 x3[0] = new JJ2("array0");
89 x3[1] = new JJ2("array1");
90 $classname loc1 = new $classname("first me");
91
92 // These just show what output should look like
93 System.out.println("x1 = " + x1);
94 System.out.println("x2 = " + x2);
95 System.out.println("x3.toString = " + x3.toString());
96 System.out.println("x4.toString = " + x4.toString());
97
98 // Dont want to call growit since it would change
99 // the value.
100
101 System.out.println("loc1 = " + loc1);
102 System.out.println("-" + loc1);
103 loc1.gus();
104 }
105
106 // This does not have a toString method
107 static class JJ1 {
108 String me;
109
110 JJ1(String whoAmI) {
111 me = whoAmI;
112 }
113 }
114
115 // This has a toString method
116 static class JJ2 {
117 String me;
118
119 JJ2(String whoAmI) {
120 me = whoAmI;
121 }
122 public String toString() {
123 return me;
124 }
125
126 public int meth1() {
127 return 89;
128 }
129 }
130 }
131
132 EOF
133 }
134
135 # This is called to feed cmds to jdb.
136 dojdbCmds()
137 {
138 setBkpts @1
139 runToBkpt @1
140
141 # Each print without the 'toString()' should print the
142 # same thing as the following print with the toString().
143 # The print 1s are just spacers
144
145 cmd print $classname.x1
146 cmd print "$classname.x1.toString()"
147 cmd print 1
148
149 cmd print $classname.x2
150 cmd print "$classname.x2.toString()"
151 cmd print 1
152
153 # An unreported bug: this isn't handled correctly.
154 # If we uncomment this line, we will get an 'instance of...' line
155 # which will cause the test to fail.
156 #cmd print "(Object)($classname.x3)"
157 cmd print "((Object)$classname.x3).toString()"
158 cmd print 1
159
160 cmd print $classname.x4
161 cmd print "$classname.x4.toString()"
162 cmd print 1
163
164 # Make sure jdb doesn't call a method multiple times.
165 cmd print "$classname.growit(\"xyz\")"
166 cmd eval "$classname.sbGrower.append(\"xyz\")"
167 cmd print 1
168
169 cmd eval "sbTim.toString()"
170 cmd print 1
171
172 cmd print this
173 cmd print "this.toString()"
174 cmd print 1
175
176 # A possible bug is that this ends up with multiple "s
177 cmd print '"--" + '$classname.x1
178 cmd print 1
179
180 # This too
181 cmd print "$classname.x4 + 2"
182 cmd print 1
183
184 cmd print "this.ivar"
185 cmd print gusLoc
186 cmd print 1
187 }
188
189 mysetup()
190 {
191 if [ -z "$TESTSRC" ] ; then
192 TESTSRC=.
193 fi
194
195 for ii in . $TESTSRC $TESTSRC/.. ; do
196 if [ -r "$ii/ShellScaffold.sh" ] ; then
197 . $ii/ShellScaffold.sh
198 break
199 fi
200 done
201 }
202
203 # You could replace this next line with the contents
204 # of ShellScaffold.sh and this script will run just the same.
205 mysetup
206
207 runit
208 jdbFailIfPresent '""'
209 jdbFailIfPresent 'instance of'
210 jdbFailIfPresent 'xyzxyz'
211 pass