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21 # questions.
22 #
23
24 # @test
25 # @bug 7182152
26 # @bug 8007935
27 # @summary Redefine a subclass that implements two interfaces and
28 # verify that the right methods are called.
29 # @author Daniel D. Daugherty
30 #
31 # @modules java.instrument
32 # @run shell MakeJAR3.sh RedefineSubclassWithTwoInterfacesAgent 'Can-Redefine-Classes: true'
33 # @run build RedefineSubclassWithTwoInterfacesApp
34 # @run shell RedefineSubclassWithTwoInterfaces.sh
35 #
36
37 if [ "${TESTJAVA}" = "" ]
38 then
39 echo "TESTJAVA not set. Test cannot execute. Failed."
40 exit 1
41 fi
42
43 if [ "${COMPILEJAVA}" = "" ]
44 then
45 COMPILEJAVA="${TESTJAVA}"
46 fi
47 echo "COMPILEJAVA=${COMPILEJAVA}"
48
49 if [ "${TESTSRC}" = "" ]
50 then
51 echo "TESTSRC not set. Test cannot execute. Failed."
52 exit 1
53 fi
54
55 if [ "${TESTCLASSES}" = "" ]
56 then
57 echo "TESTCLASSES not set. Test cannot execute. Failed."
58 exit 1
59 fi
60
61 JAVAC="${COMPILEJAVA}"/bin/javac
62 JAVA="${TESTJAVA}"/bin/java
63
64 echo "INFO: building the replacement classes."
65
66 cp "${TESTSRC}"/RedefineSubclassWithTwoInterfacesTarget_1.java \
67 RedefineSubclassWithTwoInterfacesTarget.java
68 cp "${TESTSRC}"/RedefineSubclassWithTwoInterfacesImpl_1.java \
69 RedefineSubclassWithTwoInterfacesImpl.java
70 "${JAVAC}" ${TESTJAVACOPTS} ${TESTTOOLVMOPTS} \
71 -cp "${TESTCLASSES}" -d . \
72 RedefineSubclassWithTwoInterfacesTarget.java \
73 RedefineSubclassWithTwoInterfacesImpl.java
74 status="$?"
75 if [ "$status" != 0 ]; then
76 echo "FAIL: compile of *_1.java files failed."
77 exit "$status"
78 fi
79
80 mv RedefineSubclassWithTwoInterfacesTarget.java \
81 RedefineSubclassWithTwoInterfacesTarget_1.java
82 mv RedefineSubclassWithTwoInterfacesTarget.class \
83 RedefineSubclassWithTwoInterfacesTarget_1.class
84 mv RedefineSubclassWithTwoInterfacesImpl.java \
85 RedefineSubclassWithTwoInterfacesImpl_1.java
86 mv RedefineSubclassWithTwoInterfacesImpl.class \
87 RedefineSubclassWithTwoInterfacesImpl_1.class
88
89 echo "INFO: launching RedefineSubclassWithTwoInterfacesApp"
90
91 # TraceRedefineClasses options:
92 #
93 # 0x00000001 | 1 - name each target class before loading, after
94 # loading and after redefinition is completed
95 # 0x00000002 | 2 - print info if parsing, linking or
96 # verification throws an exception
97 # 0x00000004 | 4 - print timer info for the VM operation
98 # 0x00001000 | 4096 - detect calls to obsolete methods
99 # 0x00002000 | 8192 - fail a guarantee() in addition to detection
100 # 0x00004000 | 16384 - detect old/obsolete methods in metadata
101 # 0x00100000 | 1048576 - impl details: vtable updates
102 # 0x00200000 | 2097152 - impl details: itable updates
103 #
104 # 1+2+4+4096+8192+16384+1048576+2097152 == 3174407
105
106 "${JAVA}" ${TESTVMOPTS} \
107 -XX:TraceRedefineClasses=3174407 \
108 -javaagent:RedefineSubclassWithTwoInterfacesAgent.jar \
109 -classpath "${TESTCLASSES}" \
110 RedefineSubclassWithTwoInterfacesApp > output.log 2>&1
111 status="$?"
112
113 echo "INFO: <begin output.log>"
114 cat output.log
115 echo "INFO: <end output.log>"
116
117 if [ "$status" != 0 ]; then
118 echo "FAIL: RedefineSubclassWithTwoInterfacesApp failed."
119 exit "$status"
120 fi
121
122 # When this bug manifests, RedefineClasses() will fail to update
123 # one of the itable entries to refer to the new method. The log
124 # will include the following line when the bug occurs:
125 #
126 # guarantee(false) failed: OLD and/or OBSOLETE method(s) found
127 #
128 # If this guarantee happens, the test should fail in the status
129 # check above, but just in case it doesn't, we check for "guarantee".
130 #
131
132 FAIL_MESG="guarantee"
133 grep "$FAIL_MESG" output.log
134 status=$?
135 if [ "$status" = 0 ]; then
136 echo "FAIL: found '$FAIL_MESG' in the test output."
137 result=1
138 else
139 echo "INFO: did NOT find '$FAIL_MESG' in the test output."
140 # be optimistic here
141 result=0
142 fi
143
144 PASS1_MESG="before any redefines"
145 cnt=`grep "$PASS1_MESG" output.log | grep 'version-0' | wc -l`
146 # no quotes around $cnt so any whitespace from 'wc -l' is ignored
147 if [ $cnt = 2 ]; then
148 echo "INFO: found 2 version-0 '$PASS1_MESG' mesgs."
149 else
150 echo "FAIL: did NOT find 2 version-0 '$PASS1_MESG' mesgs."
151 echo "INFO: cnt='$cnt'"
152 echo "INFO: grep '$PASS1_MESG' output:"
153 grep "$PASS1_MESG" output.log
154 result=1
155 fi
156
157 PASS2_MESG="after redefine"
158 cnt=`grep "$PASS2_MESG" output.log | grep 'version-1' | wc -l`
159 # no quotes around $cnt so any whitespace from 'wc -l' is ignored
160 if [ $cnt = 2 ]; then
161 echo "INFO: found 2 version-1 '$PASS2_MESG' mesgs."
162 else
163 echo "FAIL: did NOT find 2 version-1 '$PASS2_MESG' mesgs."
164 echo "INFO: cnt='$cnt'"
165 echo "INFO: grep '$PASS2_MESG' output:"
166 grep "$PASS2_MESG" output.log
167 result=1
168 fi
169
170 if [ "$result" = 0 ]; then
171 echo "PASS: test passed both positive and negative output checks."
172 fi
173
174 exit $result