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c5a57081 | 1 | # Copyright (C) 2008-2012 Free Software Foundation, Inc. |
a08702d6 TJB |
2 | |
3 | # This program is free software; you can redistribute it and/or modify | |
4 | # it under the terms of the GNU General Public License as published by | |
5 | # the Free Software Foundation; either version 3 of the License, or | |
6 | # (at your option) any later version. | |
7 | # | |
8 | # This program is distributed in the hope that it will be useful, | |
9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | # GNU General Public License for more details. | |
12 | # | |
13 | # You should have received a copy of the GNU General Public License | |
14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | ||
16 | # This file is part of the GDB testsuite. It tests the mechanism | |
17 | # exposing values to Python. | |
18 | ||
a2c09bd0 DE |
19 | load_lib gdb-python.exp |
20 | ||
5172aecb | 21 | set testfile "py-value" |
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22 | set srcfile ${testfile}.c |
23 | set binfile ${objdir}/${subdir}/${testfile} | |
db8e4570 UW |
24 | |
25 | # Build inferior to language specification. | |
26 | proc build_inferior {exefile lang} { | |
27 | global srcdir subdir srcfile testfile hex | |
28 | ||
29 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${exefile}" executable "debug $lang"] != "" } { | |
30 | untested "Couldn't compile ${srcfile} in $lang mode" | |
31 | return -1 | |
32 | } | |
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33 | } |
34 | ||
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35 | proc test_value_creation {} { |
36 | global gdb_prompt | |
37 | ||
38 | gdb_py_test_silent_cmd "python i = gdb.Value (True)" "create boolean value" 1 | |
39 | gdb_py_test_silent_cmd "python i = gdb.Value (5)" "create integer value" 1 | |
40 | gdb_py_test_silent_cmd "python i = gdb.Value (5L)" "create long value" 1 | |
41 | gdb_py_test_silent_cmd "python f = gdb.Value (1.25)" "create double value" 1 | |
42 | gdb_py_test_silent_cmd "python a = gdb.Value ('string test')" "create 8-bit string value" 1 | |
43 | gdb_test "python print a" "\"string test\"" "print 8-bit string" | |
44 | gdb_test "python print a.__class__" "<type 'gdb.Value'>" "verify type of 8-bit string" | |
45 | gdb_py_test_silent_cmd "python a = gdb.Value (u'unicode test')" "create unicode value" 1 | |
46 | gdb_test "python print a" "\"unicode test\"" "print Unicode string" | |
47 | gdb_test "python print a.__class__" "<type 'gdb.Value'>" "verify type of unicode string" | |
c0c6f777 TJB |
48 | |
49 | # Test address attribute is None in a non-addressable value | |
50 | gdb_test "python print 'result =', i.address" "= None" "Test address attribute in non-addressable value" | |
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51 | } |
52 | ||
53 | proc test_value_numeric_ops {} { | |
54 | global gdb_prompt | |
55 | ||
56 | gdb_py_test_silent_cmd "python i = gdb.Value (5)" "create first integer value" 0 | |
57 | gdb_py_test_silent_cmd "python j = gdb.Value (2)" "create second integer value" 0 | |
58 | gdb_py_test_silent_cmd "python f = gdb.Value (1.25)" "create first double value" 0 | |
59 | gdb_py_test_silent_cmd "python g = gdb.Value (2.5)" "create second double value" 0 | |
60 | gdb_test "python print 'result = ' + str(i+j)" " = 7" "add two integer values" | |
61 | gdb_test "python print (i+j).__class__" "<type 'gdb.Value'>" "verify type of integer add result" | |
62 | ||
63 | gdb_test "python print 'result = ' + str(f+g)" " = 3.75" "add two double values" | |
64 | gdb_test "python print 'result = ' + str(i-j)" " = 3" "subtract two integer values" | |
65 | gdb_test "python print 'result = ' + str(f-g)" " = -1.25" "subtract two double values" | |
66 | gdb_test "python print 'result = ' + str(i*j)" " = 10" "multiply two integer values" | |
67 | gdb_test "python print 'result = ' + str(f*g)" " = 3.125" "multiply two double values" | |
68 | gdb_test "python print 'result = ' + str(i/j)" " = 2" "divide two integer values" | |
69 | gdb_test "python print 'result = ' + str(f/g)" " = 0.5" "divide two double values" | |
70 | gdb_test "python print 'result = ' + str(i%j)" " = 1" "take remainder of two integer values" | |
71 | # Remainder of float is implemented in Python but not in GDB's value system. | |
72 | ||
73 | gdb_test "python print 'result = ' + str(i**j)" " = 25" "integer value raised to the power of another integer value" | |
74 | gdb_test "python print 'result = ' + str(g**j)" " = 6.25" "double value raised to the power of integer value" | |
75 | ||
76 | gdb_test "python print 'result = ' + str(-i)" " = -5" "negated integer value" | |
77 | gdb_test "python print 'result = ' + str(+i)" " = 5" "positive integer value" | |
78 | gdb_test "python print 'result = ' + str(-f)" " = -1.25" "negated double value" | |
79 | gdb_test "python print 'result = ' + str(+f)" " = 1.25" "positive double value" | |
80 | gdb_test "python print 'result = ' + str(abs(j-i))" " = 3" "absolute of integer value" | |
81 | gdb_test "python print 'result = ' + str(abs(f-g))" " = 1.25" "absolute of double value" | |
82 | ||
83 | # Test gdb.Value mixed with Python types. | |
84 | ||
85 | gdb_test "python print 'result = ' + str(i-1)" " = 4" "subtract integer value from python integer" | |
86 | gdb_test "python print (i-1).__class__" "<type 'gdb.Value'>" "verify type of mixed integer subtraction result" | |
87 | gdb_test "python print 'result = ' + str(f+1.5)" " = 2.75" "add double value with python float" | |
88 | ||
89 | gdb_test "python print 'result = ' + str(1-i)" " = -4" "subtract python integer from integer value" | |
90 | gdb_test "python print 'result = ' + str(1.5+f)" " = 2.75" "add python float with double value" | |
91 | ||
08c637de TJB |
92 | # Conversion test. |
93 | gdb_test "print evalue" " = TWO" | |
89493308 | 94 | gdb_test_no_output "python evalue = gdb.history (0)" |
08c637de TJB |
95 | gdb_test "python print int (evalue)" "2" |
96 | ||
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97 | # Test pointer arithmethic |
98 | ||
99 | # First, obtain the pointers | |
de7ff789 | 100 | gdb_test "print (void *) 2" ".*" "" |
35ec993f | 101 | gdb_test_no_output "python a = gdb.history (0)" "" |
de7ff789 | 102 | gdb_test "print (void *) 5" ".*" "" |
35ec993f | 103 | gdb_test_no_output "python b = gdb.history (0)" "" |
a08702d6 TJB |
104 | |
105 | gdb_test "python print 'result = ' + str(a+5)" " = 0x7" "add pointer value with python integer" | |
106 | gdb_test "python print 'result = ' + str(b-2)" " = 0x3" "subtract python integer from pointer value" | |
107 | gdb_test "python print 'result = ' + str(b-a)" " = 3" "subtract two pointer values" | |
108 | ||
109 | # Test some invalid operations. | |
110 | ||
111 | gdb_test_multiple "python print 'result = ' + str(i+'foo')" "catch error in python type conversion" { | |
112 | -re "Argument to arithmetic operation not a number or boolean.*$gdb_prompt $" {pass "catch error in python type conversion"} | |
113 | -re "result = .*$gdb_prompt $" {fail "catch error in python type conversion"} | |
114 | -re "$gdb_prompt $" {fail "catch error in python type conversion"} | |
115 | } | |
116 | ||
117 | gdb_test_multiple "python print 'result = ' + str(i+gdb.Value('foo'))" "catch throw of GDB error" { | |
118 | -re "Traceback.*$gdb_prompt $" {pass "catch throw of GDB error"} | |
119 | -re "result = .*$gdb_prompt $" {fail "catch throw of GDB error"} | |
120 | -re "$gdb_prompt $" {fail "catch throw of GDB error"} | |
121 | } | |
122 | } | |
123 | ||
124 | proc test_value_boolean {} { | |
125 | # First, define a useful function to test booleans. | |
126 | gdb_py_test_multiple "define function to test booleans" \ | |
127 | "python" "" \ | |
128 | "def test_bool (val):" "" \ | |
129 | " if val:" "" \ | |
130 | " print 'yay'" "" \ | |
131 | " else:" "" \ | |
132 | " print 'nay'" "" \ | |
133 | "end" "" | |
134 | ||
135 | gdb_test "py test_bool (gdb.Value (True))" "yay" "check evaluation of true boolean value in expression" | |
136 | ||
137 | gdb_test "py test_bool (gdb.Value (False))" "nay" "check evaluation of false boolean value in expression" | |
138 | ||
139 | gdb_test "py test_bool (gdb.Value (5))" "yay" "check evaluation of true integer value in expression" | |
140 | ||
141 | gdb_test "py test_bool (gdb.Value (0))" "nay" "check evaluation of false integer value in expression" | |
142 | ||
143 | gdb_test "py test_bool (gdb.Value (5.2))" "yay" "check evaluation of true integer value in expression" | |
144 | ||
145 | gdb_test "py test_bool (gdb.Value (0.0))" "nay" "check evaluation of false integer value in expression" | |
146 | } | |
147 | ||
148 | proc test_value_compare {} { | |
149 | gdb_test "py print gdb.Value (1) < gdb.Value (1)" "False" "less than, equal" | |
150 | gdb_test "py print gdb.Value (1) < gdb.Value (2)" "True" "less than, less" | |
151 | gdb_test "py print gdb.Value (2) < gdb.Value (1)" "False" "less than, greater" | |
152 | gdb_test "py print gdb.Value (2) < None" "False" "less than, None" | |
153 | ||
154 | gdb_test "py print gdb.Value (1) <= gdb.Value (1)" "True" "less or equal, equal" | |
155 | gdb_test "py print gdb.Value (1) <= gdb.Value (2)" "True" "less or equal, less" | |
156 | gdb_test "py print gdb.Value (2) <= gdb.Value (1)" "False" "less or equal, greater" | |
157 | gdb_test "py print gdb.Value (2) <= None" "False" "less or equal, None" | |
158 | ||
159 | gdb_test "py print gdb.Value (1) == gdb.Value (1)" "True" "equality of gdb.Values" | |
160 | gdb_test "py print gdb.Value (1) == gdb.Value (2)" "False" "inequality of gdb.Values" | |
161 | gdb_test "py print gdb.Value (1) == 1.0" "True" "equality of gdb.Value with Python value" | |
162 | gdb_test "py print gdb.Value (1) == 2" "False" "inequality of gdb.Value with Python value" | |
163 | gdb_test "py print gdb.Value (1) == None" "False" "inequality of gdb.Value with None" | |
164 | ||
165 | gdb_test "py print gdb.Value (1) != gdb.Value (1)" "False" "inequality, false" | |
166 | gdb_test "py print gdb.Value (1) != gdb.Value (2)" "True" "inequality, true" | |
167 | gdb_test "py print gdb.Value (1) != None" "True" "inequality, None" | |
168 | ||
169 | gdb_test "py print gdb.Value (1) > gdb.Value (1)" "False" "greater than, equal" | |
170 | gdb_test "py print gdb.Value (1) > gdb.Value (2)" "False" "greater than, less" | |
171 | gdb_test "py print gdb.Value (2) > gdb.Value (1)" "True" "greater than, greater" | |
172 | gdb_test "py print gdb.Value (2) > None" "True" "greater than, None" | |
173 | ||
174 | gdb_test "py print gdb.Value (1) >= gdb.Value (1)" "True" "greater or equal, equal" | |
175 | gdb_test "py print gdb.Value (1) >= gdb.Value (2)" "False" "greater or equal, less" | |
176 | gdb_test "py print gdb.Value (2) >= gdb.Value (1)" "True" "greater or equal, greater" | |
177 | gdb_test "py print gdb.Value (2) >= None" "True" "greater or equal, None" | |
178 | } | |
179 | ||
180 | proc test_value_in_inferior {} { | |
181 | global gdb_prompt | |
182 | global testfile | |
183 | ||
184 | gdb_breakpoint [gdb_get_line_number "break to inspect struct and union"] | |
a08702d6 TJB |
185 | |
186 | gdb_continue_to_breakpoint "break to inspect struct and union" | |
187 | ||
188 | # Just get inferior variable s in the value history, available to python. | |
189 | gdb_test "print s" " = {a = 3, b = 5}" "" | |
190 | ||
08c637de | 191 | gdb_py_test_silent_cmd "python s = gdb.history (0)" "get value from history" 1 |
a08702d6 TJB |
192 | |
193 | gdb_test "python print 'result = ' + str(s\['a'\])" " = 3" "access element inside struct using 8-bit string name" | |
194 | gdb_test "python print 'result = ' + str(s\[u'a'\])" " = 3" "access element inside struct using unicode name" | |
195 | ||
196 | # Test dereferencing the argv pointer | |
197 | ||
198 | # Just get inferior variable argv the value history, available to python. | |
199 | gdb_test "print argv" " = \\(char \\*\\*\\) 0x.*" "" | |
200 | ||
08c637de | 201 | gdb_py_test_silent_cmd "python argv = gdb.history (0)" "" 0 |
a08702d6 TJB |
202 | gdb_py_test_silent_cmd "python arg0 = argv.dereference ()" "dereference value" 1 |
203 | ||
204 | # Check that the dereferenced value is sane | |
70362913 DJ |
205 | if { ! [target_info exists noargs] } { |
206 | gdb_test "python print arg0" "0x.*$testfile\"" "verify dereferenced value" | |
207 | } | |
def2b000 TJB |
208 | |
209 | # Smoke-test is_optimized_out attribute | |
210 | gdb_test "python print 'result =', arg0.is_optimized_out" "= False" "Test is_optimized_out attribute" | |
c0c6f777 TJB |
211 | |
212 | # Test address attribute | |
213 | gdb_test "python print 'result =', arg0.address" "= 0x\[\[:xdigit:\]\]+" "Test address attribute" | |
fbb8f299 | 214 | |
46f886f1 JK |
215 | # Test displaying a variable that is temporarily at a bad address. |
216 | # But if we can examine what's at memory address 0, then we'll also be | |
217 | # able to display it without error. Don't run the test in that case. | |
218 | set can_read_0 0 | |
219 | gdb_test_multiple "x 0" "memory at address 0" { | |
220 | -re "0x0:\[ \t\]*Cannot access memory at address 0x0\r\n$gdb_prompt $" { } | |
221 | -re "0x0:\[ \t\]*Error accessing memory address 0x0\r\n$gdb_prompt $" { } | |
222 | -re "\r\n$gdb_prompt $" { | |
223 | set can_read_0 1 | |
224 | } | |
225 | } | |
226 | ||
621c8364 | 227 | # Test memory error. |
46f886f1 JK |
228 | set test "parse_and_eval with memory error" |
229 | if {$can_read_0} { | |
230 | untested $test | |
231 | } else { | |
232 | gdb_test "python print gdb.parse_and_eval('*(int*)0')" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test | |
233 | } | |
621c8364 | 234 | |
54d8a644 PK |
235 | # Test Python lazy value handling |
236 | set test "memory error and lazy values" | |
aa2071bd PK |
237 | if {$can_read_0} { |
238 | untested $test | |
239 | } else { | |
54d8a644 PK |
240 | gdb_test "python inval = gdb.parse_and_eval('*(int*)0')" |
241 | gdb_test "python print inval.is_lazy" "True" | |
242 | gdb_test "python inval2 = inval+1" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test | |
243 | gdb_test "python inval.fetch_lazy ()" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test | |
aa2071bd PK |
244 | } |
245 | gdb_test "python argc_lazy = gdb.parse_and_eval('argc')" | |
54d8a644 PK |
246 | gdb_test "python argc_notlazy = gdb.parse_and_eval('argc')" |
247 | gdb_test "python argc_notlazy.fetch_lazy()" | |
248 | gdb_test "python print argc_lazy.is_lazy" "True" | |
249 | gdb_test "python print argc_notlazy.is_lazy" "False" | |
aa2071bd | 250 | gdb_test "print argc" " = 1" "sanity check argc" |
54d8a644 | 251 | gdb_test "python print argc_lazy.is_lazy" "\r\nTrue" |
aa2071bd | 252 | gdb_test_no_output "set argc=2" |
54d8a644 PK |
253 | gdb_test "python print argc_notlazy" "\r\n1" |
254 | gdb_test "python print argc_lazy" "\r\n2" | |
255 | gdb_test "python print argc_lazy.is_lazy" "False" | |
aa2071bd | 256 | |
fbb8f299 PM |
257 | # Test string fetches, both partial and whole. |
258 | gdb_test "print st" "\"divide et impera\"" | |
259 | gdb_py_test_silent_cmd "python st = gdb.history (0)" "get value from history" 1 | |
260 | gdb_test "python print st.string ()" "divide et impera" "Test string with no length" | |
261 | gdb_test "python print st.string (length = -1)" "divide et impera" "Test string (length = -1) is all of the string" | |
262 | gdb_test "python print st.string (length = 6)" "divide" | |
263 | gdb_test "python print \"---\"+st.string (length = 0)+\"---\"" "------" "Test string (length = 0) is empty" | |
264 | gdb_test "python print len(st.string (length = 0))" "0" "Test length is 0" | |
265 | ||
266 | ||
267 | # Fetch a string that has embedded nulls. | |
268 | gdb_test "print nullst" "\"divide\\\\000et\\\\000impera\".*" | |
269 | gdb_py_test_silent_cmd "python nullst = gdb.history (0)" "get value from history" 1 | |
270 | gdb_test "python print nullst.string ()" "divide" "Test string to first null" | |
271 | # Python cannot print strings that contain the null (\0) character. | |
272 | # For the purposes of this test, use repr() | |
273 | gdb_py_test_silent_cmd "python nullst = nullst.string (length = 9)" "get string beyond null" 1 | |
274 | gdb_test "python print repr(nullst)" "u'divide\\\\x00et'" | |
a08702d6 TJB |
275 | } |
276 | ||
be759fcf PM |
277 | proc test_lazy_strings {} { |
278 | ||
279 | global hex | |
280 | ||
281 | gdb_test "print sptr" "\"pointer\"" | |
282 | gdb_py_test_silent_cmd "python sptr = gdb.history (0)" "Get value from history" 1 | |
283 | ||
284 | gdb_py_test_silent_cmd "python lstr = sptr.lazy_string()" "Aquire lazy string" 1 | |
285 | gdb_test "python print lstr.type" "const char \*." "Test type name equality" | |
286 | gdb_test "python print sptr.type" "const char \*." "Test type name equality" | |
fff5cc64 PM |
287 | gdb_test "print sn" "0x0" |
288 | gdb_py_test_silent_cmd "python snptr = gdb.history (0)" "Get value from history" 1 | |
289 | gdb_test "python snstr = snptr.lazy_string(length=5)" ".*Cannot create a lazy string with address.*" "Test lazy string" | |
290 | gdb_py_test_silent_cmd "python snstr = snptr.lazy_string(length=0)" "Succesfully create a lazy string" 1 | |
291 | gdb_test "python print snstr.length" "0" "Test lazy string length" | |
292 | gdb_test "python print snstr.address" "0" "Test lazy string address" | |
be759fcf PM |
293 | } |
294 | ||
295 | ||
5374244e PM |
296 | proc test_inferior_function_call {} { |
297 | global gdb_prompt hex decimal | |
298 | ||
299 | # Correct inferior call without arguments. | |
300 | gdb_test "p/x fp1" " = $hex.*" | |
301 | gdb_py_test_silent_cmd "python fp1 = gdb.history (0)" "get value from history" 1 | |
302 | gdb_test "python fp1 = fp1.dereference()" "" | |
303 | gdb_test "python result = fp1()" "" | |
304 | gdb_test "python print result" "void" | |
305 | ||
306 | # Correct inferior call with arguments. | |
307 | gdb_test "p/x fp2" " = $hex.*" | |
308 | gdb_py_test_silent_cmd "python fp2 = gdb.history (0)" "get value from history" 1 | |
309 | gdb_test "python fp2 = fp2.dereference()" "" | |
310 | gdb_test "python result2 = fp2(10,20)" "" | |
311 | gdb_test "python print result2" "30" | |
312 | ||
313 | # Incorrect to call an int value. | |
314 | gdb_test "p i" " = $decimal.*" | |
315 | gdb_py_test_silent_cmd "python i = gdb.history (0)" "get value from history" 1 | |
316 | gdb_test "python result3 = i()" ".*Value is not callable.*" | |
317 | ||
318 | # Incorrect number of arguments. | |
319 | gdb_test "p/x fp2" " = $hex.*" | |
320 | gdb_py_test_silent_cmd "python fp3 = gdb.history (0)" "get value from history" 1 | |
321 | gdb_test "python fp3 = fp3.dereference()" "" | |
322 | gdb_test "python result2 = fp3(10)" ".*Too few arguments in function call.*" | |
323 | } | |
324 | ||
89c73ade TT |
325 | # A few objfile tests. |
326 | proc test_objfiles {} { | |
90556b8c JK |
327 | gdb_test "python\nok=False\nfor file in gdb.objfiles():\n if 'py-value' in file.filename:\n ok=True\nprint ok\nend" "True" \ |
328 | "py-value in file.filename" | |
89c73ade TT |
329 | |
330 | gdb_test "python print gdb.objfiles()\[0\].pretty_printers" "\\\[\\\]" | |
331 | ||
332 | gdb_test "python gdb.objfiles()\[0\].pretty_printers = 0" \ | |
333 | "pretty_printers attribute must be a list.*Error while executing Python code." | |
334 | } | |
a08702d6 | 335 | |
2c74e833 TT |
336 | proc test_value_after_death {} { |
337 | # Construct a type while the inferior is still running. | |
338 | gdb_py_test_silent_cmd "python ptrtype = gdb.lookup_type('PTR')" \ | |
339 | "create PTR type" 1 | |
340 | ||
341 | # Kill the inferior and remove the symbols. | |
342 | gdb_test "kill" "" "kill the inferior" \ | |
343 | "Kill the program being debugged. .y or n. $" \ | |
344 | "y" | |
345 | gdb_test "file" "" "Discard the symbols" \ | |
346 | "Discard symbol table from.*y or n. $" \ | |
347 | "y" | |
348 | ||
349 | # Now create a value using that type. Relies on arg0, created by | |
350 | # test_value_in_inferior. | |
351 | gdb_py_test_silent_cmd "python castval = arg0.cast(ptrtype.pointer())" \ | |
352 | "cast arg0 to PTR" 1 | |
353 | ||
354 | # Make sure the type is deleted. | |
355 | gdb_py_test_silent_cmd "python ptrtype = None" \ | |
356 | "delete PTR type" 1 | |
357 | ||
358 | # Now see if the value's type is still valid. | |
359 | gdb_test "python print castval.type" "PTR ." \ | |
360 | "print value's type" | |
361 | } | |
362 | ||
2e4d963f PM |
363 | # Regression test for invalid subscript operations. The bug was that |
364 | # the type of the value was not being checked before allowing a | |
365 | # subscript operation to proceed. | |
366 | ||
db8e4570 | 367 | proc test_subscript_regression {exefile lang} { |
2e4d963f | 368 | |
db8e4570 | 369 | global srcdir subdir |
2e4d963f PM |
370 | |
371 | # Start with a fresh gdb. | |
372 | gdb_exit | |
373 | gdb_start | |
374 | gdb_reinitialize_dir $srcdir/$subdir | |
db8e4570 | 375 | gdb_load ${exefile} |
2e4d963f PM |
376 | |
377 | if ![runto_main ] then { | |
378 | perror "couldn't run to breakpoint" | |
379 | return | |
380 | } | |
381 | ||
382 | if {$lang == "c++"} { | |
383 | gdb_breakpoint [gdb_get_line_number "break to inspect pointer by reference"] | |
384 | gdb_continue_to_breakpoint "break to inspect pointer by reference" | |
385 | ||
386 | gdb_py_test_silent_cmd "print rptr_int" \ | |
387 | "Obtain address" 1 | |
388 | gdb_py_test_silent_cmd "python rptr = gdb.history(0)" \ | |
389 | "Obtains value from GDB" 1 | |
390 | gdb_test "python print rptr\[0\]" "2" "Check pointer passed as reference" | |
f9ffd4bb TT |
391 | |
392 | # Just the most basic test of dynamic_cast -- it is checked in | |
393 | # the C++ tests. | |
394 | gdb_test "python print bool(gdb.parse_and_eval('base').dynamic_cast(gdb.lookup_type('Derived').pointer()))" \ | |
395 | True | |
03f17ccf TT |
396 | |
397 | # Likewise. | |
398 | gdb_test "python print gdb.parse_and_eval('base').dynamic_type" \ | |
399 | "Derived \[*\]" | |
400 | # A static type case. | |
401 | gdb_test "python print gdb.parse_and_eval('5').dynamic_type" \ | |
402 | "int" | |
2e4d963f PM |
403 | } |
404 | ||
405 | gdb_breakpoint [gdb_get_line_number "break to inspect struct and union"] | |
406 | gdb_continue_to_breakpoint "break to inspect struct and union" | |
407 | ||
408 | gdb_py_test_silent_cmd "python intv = gdb.Value(1)" \ | |
409 | "Create a value for subscript test" 1 | |
410 | gdb_py_test_silent_cmd "python stringv = gdb.Value(\"foo\")" \ | |
411 | "Create a value for subscript test" 1 | |
412 | ||
413 | # Try to access an int with a subscript. This should fail. | |
414 | gdb_test "python print intv" "1" "Baseline print of a Python value" | |
621c8364 | 415 | gdb_test "python print intv\[0\]" "gdb.error: Cannot subscript requested type.*" \ |
2e4d963f PM |
416 | "Attempt to access an integer with a subscript" |
417 | ||
418 | # Try to access a string with a subscript. This should pass. | |
419 | gdb_test "python print stringv" "foo." "Baseline print of a Python value" | |
420 | gdb_test "python print stringv\[0\]" "f." "Attempt to access a string with a subscript" | |
421 | ||
422 | # Try to access an int array via a pointer with a subscript. This should pass. | |
423 | gdb_py_test_silent_cmd "print p" "Build pointer to array" 1 | |
424 | gdb_py_test_silent_cmd "python pointer = gdb.history(0)" "" 1 | |
425 | gdb_test "python print pointer\[0\]" "1" "Access array via pointer with int subscript" | |
426 | gdb_test "python print pointer\[intv\]" "2" "Access array via pointer with value subscript" | |
427 | ||
428 | # Try to access a single dimension array with a subscript to the | |
429 | # result. This should fail. | |
621c8364 | 430 | gdb_test "python print pointer\[intv\]\[0\]" "gdb.error: Cannot subscript requested type.*" \ |
2e4d963f PM |
431 | "Attempt to access an integer with a subscript" |
432 | ||
433 | # Lastly, test subscript access to an array with multiple | |
434 | # dimensions. This should pass. | |
435 | gdb_py_test_silent_cmd "print {\"fu \",\"foo\",\"bar\"}" "Build array" 1 | |
436 | gdb_py_test_silent_cmd "python marray = gdb.history(0)" "" 1 | |
437 | gdb_test "python print marray\[1\]\[2\]" "o." "Test multiple subscript" | |
438 | } | |
439 | ||
57a1d736 TT |
440 | # A few tests of gdb.parse_and_eval. |
441 | proc test_parse_and_eval {} { | |
442 | gdb_test "python print gdb.parse_and_eval ('23')" "23" \ | |
443 | "parse_and_eval constant test" | |
444 | gdb_test "python print gdb.parse_and_eval ('5 + 7')" "12" \ | |
445 | "parse_and_eval simple expression test" | |
446 | gdb_test "python print type(gdb.parse_and_eval ('5 + 7'))" \ | |
447 | ".type 'gdb.Value'."\ | |
448 | "parse_and_eval type test" | |
449 | } | |
450 | ||
88d4aea7 PM |
451 | # Test that values are hashable. |
452 | proc test_value_hash {} { | |
453 | gdb_py_test_multiple "Simple Python value dictionary" \ | |
454 | "python" "" \ | |
455 | "one = gdb.Value(1)" "" \ | |
456 | "two = gdb.Value(2)" "" \ | |
457 | "three = gdb.Value(3)" "" \ | |
458 | "vdict = {one:\"one str\",two:\"two str\",three:\"three str\"}" "" \ | |
459 | "end" | |
460 | gdb_test "python print vdict\[one\]" "one str" "Test dictionary hash" | |
461 | gdb_test "python print vdict\[two\]" "two str" "Test dictionary hash" | |
462 | gdb_test "python print vdict\[three\]" "three str" "Test dictionary hash" | |
463 | gdb_test "python print one.__hash__() == hash(one)" "True" "Test inbuilt hash" | |
88d4aea7 PM |
464 | } |
465 | ||
db8e4570 UW |
466 | # Build C and C++ versions of executable |
467 | build_inferior "${binfile}" "c" | |
468 | build_inferior "${binfile}-cxx" "c++" | |
88d4aea7 | 469 | |
a08702d6 TJB |
470 | # Start with a fresh gdb. |
471 | ||
472 | gdb_exit | |
473 | gdb_start | |
474 | gdb_reinitialize_dir $srcdir/$subdir | |
475 | gdb_load ${binfile} | |
476 | ||
f6bbabf0 PM |
477 | # Skip all tests if Python scripting is not enabled. |
478 | if { [skip_python_tests] } { continue } | |
a08702d6 TJB |
479 | |
480 | test_value_creation | |
481 | test_value_numeric_ops | |
482 | test_value_boolean | |
483 | test_value_compare | |
89c73ade | 484 | test_objfiles |
57a1d736 | 485 | test_parse_and_eval |
88d4aea7 | 486 | test_value_hash |
adc13a14 PA |
487 | |
488 | # The following tests require execution. | |
489 | ||
490 | if ![runto_main] then { | |
491 | fail "Can't run to main" | |
492 | return 0 | |
493 | } | |
494 | ||
a08702d6 | 495 | test_value_in_inferior |
5374244e | 496 | test_inferior_function_call |
be759fcf | 497 | test_lazy_strings |
2c74e833 | 498 | test_value_after_death |
2e4d963f | 499 | |
db8e4570 UW |
500 | # Test either C or C++ values. |
501 | test_subscript_regression "${binfile}" "c" | |
502 | test_subscript_regression "${binfile}-cxx" "c++" |