1# Copyright (C) 2008-2014 Free Software Foundation, Inc. 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 19load_lib gdb-python.exp 20 21standard_testfile 22 23# Build inferior to language specification. 24# LANG is one of "c" or "c++". 25proc build_inferior {exefile lang} { 26 global srcdir subdir srcfile testfile hex 27 28 # Use different names for .o files based on the language. 29 # For Fission, the debug info goes in foo.dwo and we don't want, 30 # for example, a C++ compile to clobber the dwo of a C compile. 31 # ref: http://gcc.gnu.org/wiki/DebugFission 32 switch ${lang} { 33 "c" { set filename ${testfile}.o } 34 "c++" { set filename ${testfile}-cxx.o } 35 } 36 set objfile [standard_output_file $filename] 37 38 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${objfile}" object "debug $lang"] != "" 39 || [gdb_compile "${objfile}" "${exefile}" executable "debug $lang"] != "" } { 40 untested "Couldn't compile ${srcfile} in $lang mode" 41 return -1 42 } 43 return 0 44} 45 46proc test_value_creation {} { 47 global gdb_prompt 48 global gdb_py_is_py3k 49 50 gdb_py_test_silent_cmd "python i = gdb.Value (True)" "create boolean value" 1 51 gdb_py_test_silent_cmd "python i = gdb.Value (5)" "create integer value" 1 52 if { $gdb_py_is_py3k == 0 } { 53 gdb_py_test_silent_cmd "python i = gdb.Value (5L)" "create long value" 1 54 } 55 gdb_py_test_silent_cmd "python f = gdb.Value (1.25)" "create double value" 1 56 gdb_py_test_silent_cmd "python a = gdb.Value ('string test')" "create 8-bit string value" 1 57 gdb_test "python print (a)" "\"string test\"" "print 8-bit string" 58 gdb_test "python print (a.__class__)" "<(type|class) 'gdb.Value'>" "verify type of 8-bit string" 59 if { $gdb_py_is_py3k == 0 } { 60 gdb_py_test_silent_cmd "python a = gdb.Value (u'unicode test')" "create unicode value" 1 61 gdb_test "python print (a)" "\"unicode test\"" "print Unicode string" 62 gdb_test "python print (a.__class__)" "<(type|class) 'gdb.Value'>" "verify type of unicode string" 63 } 64 65 # Test address attribute is None in a non-addressable value 66 gdb_test "python print ('result = %s' % i.address)" "= None" "Test address attribute in non-addressable value" 67} 68 69proc test_value_numeric_ops {} { 70 global gdb_prompt 71 72 gdb_py_test_silent_cmd "python i = gdb.Value (5)" "create first integer value" 0 73 gdb_py_test_silent_cmd "python j = gdb.Value (2)" "create second integer value" 0 74 gdb_py_test_silent_cmd "python f = gdb.Value (1.25)" "create first double value" 0 75 gdb_py_test_silent_cmd "python g = gdb.Value (2.5)" "create second double value" 0 76 gdb_test "python print ('result = ' + str(i+j))" " = 7" "add two integer values" 77 gdb_test "python print ((i+j).__class__)" "<(type|class) 'gdb.Value'>" "verify type of integer add result" 78 79 gdb_test "python print ('result = ' + str(f+g))" " = 3.75" "add two double values" 80 gdb_test "python print ('result = ' + str(i-j))" " = 3" "subtract two integer values" 81 gdb_test "python print ('result = ' + str(f-g))" " = -1.25" "subtract two double values" 82 gdb_test "python print ('result = ' + str(i*j))" " = 10" "multiply two integer values" 83 gdb_test "python print ('result = ' + str(f*g))" " = 3.125" "multiply two double values" 84 gdb_test "python print ('result = ' + str(i/j))" " = 2" "divide two integer values" 85 gdb_test "python print ('result = ' + str(f/g))" " = 0.5" "divide two double values" 86 gdb_test "python print ('result = ' + str(i%j))" " = 1" "take remainder of two integer values" 87 # Remainder of float is implemented in Python but not in GDB's value system. 88 89 gdb_test "python print ('result = ' + str(i**j))" " = 25" "integer value raised to the power of another integer value" 90 gdb_test "python print ('result = ' + str(g**j))" " = 6.25" "double value raised to the power of integer value" 91 92 gdb_test "python print ('result = ' + str(-i))" " = -5" "negated integer value" 93 gdb_test "python print ('result = ' + str(+i))" " = 5" "positive integer value" 94 gdb_test "python print ('result = ' + str(-f))" " = -1.25" "negated double value" 95 gdb_test "python print ('result = ' + str(+f))" " = 1.25" "positive double value" 96 gdb_test "python print ('result = ' + str(abs(j-i)))" " = 3" "absolute of integer value" 97 gdb_test "python print ('result = ' + str(abs(f-g)))" " = 1.25" "absolute of double value" 98 99 # Test gdb.Value mixed with Python types. 100 101 gdb_test "python print ('result = ' + str(i-1))" " = 4" "subtract integer value from python integer" 102 gdb_test "python print ((i-1).__class__)" "<(type|class) 'gdb.Value'>" "verify type of mixed integer subtraction result" 103 gdb_test "python print ('result = ' + str(f+1.5))" " = 2.75" "add double value with python float" 104 105 gdb_test "python print ('result = ' + str(1-i))" " = -4" "subtract python integer from integer value" 106 gdb_test "python print ('result = ' + str(1.5+f))" " = 2.75" "add python float with double value" 107 108 # Conversion test. 109 gdb_test "print evalue" " = TWO" 110 gdb_test_no_output "python evalue = gdb.history (0)" 111 gdb_test "python print (int (evalue))" "2" 112 113 # Test pointer arithmethic 114 115 # First, obtain the pointers 116 gdb_test "print (void *) 2" ".*" "" 117 gdb_test_no_output "python a = gdb.history (0)" "" 118 gdb_test "print (void *) 5" ".*" "" 119 gdb_test_no_output "python b = gdb.history (0)" "" 120 121 gdb_test "python print ('result = ' + str(a+5))" " = 0x7( <.*>)?" "add pointer value with python integer" 122 gdb_test "python print ('result = ' + str(b-2))" " = 0x3( <.*>)?" "subtract python integer from pointer value" 123 gdb_test "python print ('result = ' + str(b-a))" " = 3" "subtract two pointer values" 124 125 # Test some invalid operations. 126 127 gdb_test_multiple "python print ('result = ' + str(i+'foo'))" "catch error in python type conversion" { 128 -re "Argument to arithmetic operation not a number or boolean.*$gdb_prompt $" {pass "catch error in python type conversion"} 129 -re "result = .*$gdb_prompt $" {fail "catch error in python type conversion"} 130 -re "$gdb_prompt $" {fail "catch error in python type conversion"} 131 } 132 133 gdb_test_multiple "python print ('result = ' + str(i+gdb.Value('foo')))" "catch throw of GDB error" { 134 -re "Traceback.*$gdb_prompt $" {pass "catch throw of GDB error"} 135 -re "result = .*$gdb_prompt $" {fail "catch throw of GDB error"} 136 -re "$gdb_prompt $" {fail "catch throw of GDB error"} 137 } 138} 139 140proc test_value_boolean {} { 141 # First, define a useful function to test booleans. 142 gdb_py_test_multiple "define function to test booleans" \ 143 "python" "" \ 144 "def test_bool (val):" "" \ 145 " if val:" "" \ 146 " print ('yay')" "" \ 147 " else:" "" \ 148 " print ('nay')" "" \ 149 "end" "" 150 151 gdb_test "py test_bool (gdb.Value (True))" "yay" "check evaluation of true boolean value in expression" 152 153 gdb_test "py test_bool (gdb.Value (False))" "nay" "check evaluation of false boolean value in expression" 154 155 gdb_test "py test_bool (gdb.Value (5))" "yay" "check evaluation of true integer value in expression" 156 157 gdb_test "py test_bool (gdb.Value (0))" "nay" "check evaluation of false integer value in expression" 158 159 gdb_test "py test_bool (gdb.Value (5.2))" "yay" "check evaluation of true integer value in expression" 160 161 gdb_test "py test_bool (gdb.Value (0.0))" "nay" "check evaluation of false integer value in expression" 162} 163 164proc test_value_compare {} { 165 gdb_test "py print (gdb.Value (1) < gdb.Value (1))" "False" "less than, equal" 166 gdb_test "py print (gdb.Value (1) < gdb.Value (2))" "True" "less than, less" 167 gdb_test "py print (gdb.Value (2) < gdb.Value (1))" "False" "less than, greater" 168 gdb_test "py print (gdb.Value (2) < None)" "False" "less than, None" 169 170 gdb_test "py print (gdb.Value (1) <= gdb.Value (1))" "True" "less or equal, equal" 171 gdb_test "py print (gdb.Value (1) <= gdb.Value (2))" "True" "less or equal, less" 172 gdb_test "py print (gdb.Value (2) <= gdb.Value (1))" "False" "less or equal, greater" 173 gdb_test "py print (gdb.Value (2) <= None)" "False" "less or equal, None" 174 175 gdb_test "py print (gdb.Value (1) == gdb.Value (1))" "True" "equality of gdb.Values" 176 gdb_test "py print (gdb.Value (1) == gdb.Value (2))" "False" "inequality of gdb.Values" 177 gdb_test "py print (gdb.Value (1) == 1.0)" "True" "equality of gdb.Value with Python value" 178 gdb_test "py print (gdb.Value (1) == 2)" "False" "inequality of gdb.Value with Python value" 179 gdb_test "py print (gdb.Value (1) == None)" "False" "inequality of gdb.Value with None" 180 181 gdb_test "py print (gdb.Value (1) != gdb.Value (1))" "False" "inequality, false" 182 gdb_test "py print (gdb.Value (1) != gdb.Value (2))" "True" "inequality, true" 183 gdb_test "py print (gdb.Value (1) != None)" "True" "inequality, None" 184 185 gdb_test "py print (gdb.Value (1) > gdb.Value (1))" "False" "greater than, equal" 186 gdb_test "py print (gdb.Value (1) > gdb.Value (2))" "False" "greater than, less" 187 gdb_test "py print (gdb.Value (2) > gdb.Value (1))" "True" "greater than, greater" 188 gdb_test "py print (gdb.Value (2) > None)" "True" "greater than, None" 189 190 gdb_test "py print (gdb.Value (1) >= gdb.Value (1))" "True" "greater or equal, equal" 191 gdb_test "py print (gdb.Value (1) >= gdb.Value (2))" "False" "greater or equal, less" 192 gdb_test "py print (gdb.Value (2) >= gdb.Value (1))" "True" "greater or equal, greater" 193 gdb_test "py print (gdb.Value (2) >= None)" "True" "greater or equal, None" 194} 195 196proc test_value_in_inferior {} { 197 global gdb_prompt 198 global testfile 199 global gdb_py_is_py3k 200 201 gdb_breakpoint [gdb_get_line_number "break to inspect struct and union"] 202 203 gdb_continue_to_breakpoint "break to inspect struct and union" 204 205 # Just get inferior variable s in the value history, available to python. 206 gdb_test "print s" " = {a = 3, b = 5}" "" 207 208 gdb_py_test_silent_cmd "python s = gdb.history (0)" "get value from history" 1 209 210 gdb_test "python print ('result = ' + str(s\['a'\]))" " = 3" "access element inside struct using 8-bit string name" 211 if { $gdb_py_is_py3k == 0 } { 212 gdb_test "python print ('result = ' + str(s\[u'a'\]))" " = 3" "access element inside struct using unicode name" 213 } 214 215 # Test dereferencing the argv pointer 216 217 # Just get inferior variable argv the value history, available to python. 218 gdb_test "print argv" " = \\(char \\*\\*\\) 0x.*" "" 219 220 gdb_py_test_silent_cmd "python argv = gdb.history (0)" "" 0 221 gdb_py_test_silent_cmd "python arg0 = argv.dereference ()" "dereference value" 1 222 223 # Check that the dereferenced value is sane 224 if { ! [target_info exists noargs] } { 225 gdb_test "python print (arg0)" "0x.*$testfile\"" "verify dereferenced value" 226 } 227 228 # Smoke-test is_optimized_out attribute 229 gdb_test "python print ('result = %s' % arg0.is_optimized_out)" "= False" "Test is_optimized_out attribute" 230 231 # Test address attribute 232 gdb_test "python print ('result = %s' % arg0.address)" "= 0x\[\[:xdigit:\]\]+" "Test address attribute" 233 234 # Test displaying a variable that is temporarily at a bad address. 235 # But if we can examine what's at memory address 0, then we'll also be 236 # able to display it without error. Don't run the test in that case. 237 set can_read_0 0 238 gdb_test_multiple "x 0" "memory at address 0" { 239 -re "0x0:\[ \t\]*Cannot access memory at address 0x0\r\n$gdb_prompt $" { } 240 -re "0x0:\[ \t\]*Error accessing memory address 0x0\r\n$gdb_prompt $" { } 241 -re "\r\n$gdb_prompt $" { 242 set can_read_0 1 243 } 244 } 245 246 # Test memory error. 247 set test "parse_and_eval with memory error" 248 if {$can_read_0} { 249 untested $test 250 } else { 251 gdb_test "python print (gdb.parse_and_eval('*(int*)0'))" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test 252 } 253 254 # Test Python lazy value handling 255 set test "memory error and lazy values" 256 if {$can_read_0} { 257 untested $test 258 } else { 259 gdb_test "python inval = gdb.parse_and_eval('*(int*)0')" 260 gdb_test "python print (inval.is_lazy)" "True" 261 gdb_test "python inval2 = inval+1" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test 262 gdb_test "python inval.fetch_lazy ()" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test 263 } 264 gdb_test "python argc_lazy = gdb.parse_and_eval('argc')" 265 gdb_test "python argc_notlazy = gdb.parse_and_eval('argc')" 266 gdb_test "python argc_notlazy.fetch_lazy()" 267 gdb_test "python print (argc_lazy.is_lazy)" "True" 268 gdb_test "python print (argc_notlazy.is_lazy)" "False" 269 gdb_test "print argc" " = 1" "sanity check argc" 270 gdb_test "python print (argc_lazy.is_lazy)" "\r\nTrue" 271 gdb_test_no_output "set argc=2" 272 gdb_test "python print (argc_notlazy)" "\r\n1" 273 gdb_test "python print (argc_lazy)" "\r\n2" 274 gdb_test "python print (argc_lazy.is_lazy)" "False" 275 276 # Test string fetches, both partial and whole. 277 gdb_test "print st" "\"divide et impera\"" 278 gdb_py_test_silent_cmd "python st = gdb.history (0)" "get value from history" 1 279 gdb_test "python print (st.string ())" "divide et impera" "Test string with no length" 280 gdb_test "python print (st.string (length = -1))" "divide et impera" "Test string (length = -1) is all of the string" 281 gdb_test "python print (st.string (length = 6))" "divide" 282 gdb_test "python print (\"---\"+st.string (length = 0)+\"---\")" "------" "Test string (length = 0) is empty" 283 gdb_test "python print (len(st.string (length = 0)))" "0" "Test length is 0" 284 285 286 # Fetch a string that has embedded nulls. 287 gdb_test "print nullst" "\"divide\\\\000et\\\\000impera\".*" 288 gdb_py_test_silent_cmd "python nullst = gdb.history (0)" "get value from history" 1 289 gdb_test "python print (nullst.string ())" "divide" "Test string to first null" 290 # Python cannot print strings that contain the null (\0) character. 291 # For the purposes of this test, use repr() 292 gdb_py_test_silent_cmd "python nullst = nullst.string (length = 9)" "get string beyond null" 1 293 gdb_test "python print (repr(nullst))" "u?'divide\\\\x00et'" 294 295 # Test fetching a string longer than its declared (in C) size. 296 # PR 16286 297 gdb_py_test_silent_cmd "python xstr = gdb.parse_and_eval('xstr')" "get xstr" 1 298 gdb_test "python print xstr\['text'\].string (length = xstr\['length'\])" "x{100}" \ 299 "read string beyond declared size" 300} 301 302proc test_lazy_strings {} { 303 304 global hex 305 306 gdb_test "print sptr" "\"pointer\"" 307 gdb_py_test_silent_cmd "python sptr = gdb.history (0)" "Get value from history" 1 308 309 gdb_py_test_silent_cmd "python lstr = sptr.lazy_string()" "Aquire lazy string" 1 310 gdb_test "python print (lstr.type)" "const char \*." "Test lazy-string type name equality" 311 gdb_test "python print (sptr.type)" "const char \*." "Test string type name equality" 312 gdb_test "print sn" "0x0" 313 gdb_py_test_silent_cmd "python snptr = gdb.history (0)" "Get value from history" 1 314 gdb_test "python snstr = snptr.lazy_string(length=5)" ".*Cannot create a lazy string with address.*" "Test lazy string" 315 gdb_py_test_silent_cmd "python snstr = snptr.lazy_string(length=0)" "Succesfully create a lazy string" 1 316 gdb_test "python print (snstr.length)" "0" "Test lazy string length" 317 gdb_test "python print (snstr.address)" "0" "Test lazy string address" 318} 319 320 321proc test_inferior_function_call {} { 322 global gdb_prompt hex decimal 323 324 # Correct inferior call without arguments. 325 gdb_test "p/x fp1" " = $hex.*" 326 gdb_py_test_silent_cmd "python fp1 = gdb.history (0)" "get value from history" 1 327 gdb_test "python fp1 = fp1.dereference()" "" 328 gdb_test "python result = fp1()" "" 329 gdb_test "python print (result)" "void" 330 331 # Correct inferior call with arguments. 332 gdb_test "p/x fp2" " = $hex.*" 333 gdb_py_test_silent_cmd "python fp2 = gdb.history (0)" "get value from history" 1 334 gdb_test "python fp2 = fp2.dereference()" "" 335 gdb_test "python result2 = fp2(10,20)" "" 336 gdb_test "python print (result2)" "30" 337 338 # Incorrect to call an int value. 339 gdb_test "p i" " = $decimal.*" 340 gdb_py_test_silent_cmd "python i = gdb.history (0)" "get value from history" 1 341 gdb_test "python result3 = i()" ".*Value is not callable.*" 342 343 # Incorrect number of arguments. 344 gdb_test "p/x fp2" " = $hex.*" 345 gdb_py_test_silent_cmd "python fp3 = gdb.history (0)" "get value from history" 1 346 gdb_test "python fp3 = fp3.dereference()" "" 347 gdb_test "python result2 = fp3(10)" ".*Too few arguments in function call.*" 348} 349 350# A few objfile tests. 351proc test_objfiles {} { 352 gdb_test "python\nok=False\nfor file in gdb.objfiles():\n if 'py-value' in file.filename:\n ok=True\nprint (ok)\nend" "True" \ 353 "py-value in file.filename" 354 355 gdb_test "python print (gdb.objfiles()\[0\].pretty_printers)" "\\\[\\\]" 356 357 gdb_test "python gdb.objfiles()\[0\].pretty_printers = 0" \ 358 "pretty_printers attribute must be a list.*Error while executing Python code." 359} 360 361proc test_value_after_death {} { 362 # Construct a type while the inferior is still running. 363 gdb_py_test_silent_cmd "python ptrtype = gdb.lookup_type('PTR')" \ 364 "create PTR type" 1 365 366 # Kill the inferior and remove the symbols. 367 gdb_test "kill" "" "kill the inferior" \ 368 "Kill the program being debugged. .y or n. $" \ 369 "y" 370 gdb_test "file" "" "Discard the symbols" \ 371 "Discard symbol table from.*y or n. $" \ 372 "y" 373 374 # Now create a value using that type. Relies on arg0, created by 375 # test_value_in_inferior. 376 gdb_py_test_silent_cmd "python castval = arg0.cast(ptrtype.pointer())" \ 377 "cast arg0 to PTR" 1 378 379 # Make sure the type is deleted. 380 gdb_py_test_silent_cmd "python ptrtype = None" \ 381 "delete PTR type" 1 382 383 # Now see if the value's type is still valid. 384 gdb_test "python print (castval.type)" "PTR ." \ 385 "print value's type" 386} 387 388# Regression test for invalid subscript operations. The bug was that 389# the type of the value was not being checked before allowing a 390# subscript operation to proceed. 391 392proc test_subscript_regression {exefile lang} { 393 # Start with a fresh gdb. 394 clean_restart ${exefile} 395 396 if ![runto_main ] then { 397 perror "couldn't run to breakpoint" 398 return 399 } 400 401 if {$lang == "c++"} { 402 gdb_breakpoint [gdb_get_line_number "break to inspect pointer by reference"] 403 gdb_continue_to_breakpoint "break to inspect pointer by reference" 404 405 gdb_py_test_silent_cmd "print rptr_int" \ 406 "Obtain address" 1 407 gdb_py_test_silent_cmd "python rptr = gdb.history(0)" \ 408 "Obtains value from GDB" 1 409 gdb_test "python print (rptr\[0\])" "2" "Check pointer passed as reference" 410 411 # Just the most basic test of dynamic_cast -- it is checked in 412 # the C++ tests. 413 gdb_test "python print (bool(gdb.parse_and_eval('base').dynamic_cast(gdb.lookup_type('Derived').pointer())))" \ 414 True 415 416 # Likewise. 417 gdb_test "python print (gdb.parse_and_eval('base').dynamic_type)" \ 418 "Derived \[*\]" 419 # A static type case. 420 gdb_test "python print (gdb.parse_and_eval('5').dynamic_type)" \ 421 "int" 422 } 423 424 gdb_breakpoint [gdb_get_line_number "break to inspect struct and union"] 425 gdb_continue_to_breakpoint "break to inspect struct and union" 426 427 gdb_py_test_silent_cmd "python intv = gdb.Value(1)" \ 428 "Create a value for subscript test" 1 429 gdb_py_test_silent_cmd "python stringv = gdb.Value(\"foo\")" \ 430 "Create a value for subscript test" 1 431 432 # Try to access an int with a subscript. This should fail. 433 gdb_test "python print (intv)" "1" "Baseline print of an int Python value" 434 gdb_test "python print (intv\[0\])" "gdb.error: Cannot subscript requested type.*" \ 435 "Attempt to access an integer with a subscript" 436 437 # Try to access a string with a subscript. This should pass. 438 gdb_test "python print (stringv)" "foo." "Baseline print of a string Python value" 439 gdb_test "python print (stringv\[0\])" "f." "Attempt to access a string with a subscript" 440 441 # Try to access an int array via a pointer with a subscript. This should pass. 442 gdb_py_test_silent_cmd "print p" "Build pointer to array" 1 443 gdb_py_test_silent_cmd "python pointer = gdb.history(0)" "" 1 444 gdb_test "python print (pointer\[0\])" "1" "Access array via pointer with int subscript" 445 gdb_test "python print (pointer\[intv\])" "2" "Access array via pointer with value subscript" 446 447 # Try to access a single dimension array with a subscript to the 448 # result. This should fail. 449 gdb_test "python print (pointer\[intv\]\[0\])" "gdb.error: Cannot subscript requested type.*" \ 450 "Attempt to access an integer with a subscript" 451 452 # Lastly, test subscript access to an array with multiple 453 # dimensions. This should pass. 454 gdb_py_test_silent_cmd "print {\"fu \",\"foo\",\"bar\"}" "Build array" 1 455 gdb_py_test_silent_cmd "python marray = gdb.history(0)" "" 1 456 gdb_test "python print (marray\[1\]\[2\])" "o." "Test multiple subscript" 457} 458 459# A few tests of gdb.parse_and_eval. 460proc test_parse_and_eval {} { 461 gdb_test "python print (gdb.parse_and_eval ('23'))" "23" \ 462 "parse_and_eval constant test" 463 gdb_test "python print (gdb.parse_and_eval ('5 + 7'))" "12" \ 464 "parse_and_eval simple expression test" 465 gdb_test "python print (type(gdb.parse_and_eval ('5 + 7')))" \ 466 ".(type|class) 'gdb.Value'."\ 467 "parse_and_eval type test" 468} 469 470# Test that values are hashable. 471proc test_value_hash {} { 472 gdb_py_test_multiple "Simple Python value dictionary" \ 473 "python" "" \ 474 "one = gdb.Value(1)" "" \ 475 "two = gdb.Value(2)" "" \ 476 "three = gdb.Value(3)" "" \ 477 "vdict = {one:\"one str\",two:\"two str\",three:\"three str\"}" "" \ 478 "end" 479 gdb_test "python print (vdict\[one\])" "one str" "Test dictionary hash" 480 gdb_test "python print (vdict\[two\])" "two str" "Test dictionary hash" 481 gdb_test "python print (vdict\[three\])" "three str" "Test dictionary hash" 482 gdb_test "python print (one.__hash__() == hash(one))" "True" "Test inbuilt hash" 483} 484 485# Build C version of executable. C++ is built later. 486if { [build_inferior "${binfile}" "c"] < 0 } { 487 return -1 488} 489 490# Start with a fresh gdb. 491clean_restart ${binfile} 492 493# Skip all tests if Python scripting is not enabled. 494if { [skip_python_tests] } { continue } 495 496test_value_creation 497test_value_numeric_ops 498test_value_boolean 499test_value_compare 500test_objfiles 501test_parse_and_eval 502test_value_hash 503 504# The following tests require execution. 505 506if ![runto_main] then { 507 fail "Can't run to main" 508 return 0 509} 510 511test_value_in_inferior 512test_inferior_function_call 513test_lazy_strings 514test_value_after_death 515 516# Test either C or C++ values. 517 518test_subscript_regression "${binfile}" "c" 519 520if ![skip_cplus_tests] { 521 if { [build_inferior "${binfile}-cxx" "c++"] < 0 } { 522 return -1 523 } 524 with_test_prefix "c++" { 525 test_subscript_regression "${binfile}-cxx" "c++" 526 } 527} 528