1# Copyright (C) 2008-2015 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 23set has_argv0 [gdb_has_argv0] 24 25# Build inferior to language specification. 26# LANG is one of "c" or "c++". 27proc build_inferior {exefile lang} { 28 global srcdir subdir srcfile testfile hex 29 30 # Use different names for .o files based on the language. 31 # For Fission, the debug info goes in foo.dwo and we don't want, 32 # for example, a C++ compile to clobber the dwo of a C compile. 33 # ref: http://gcc.gnu.org/wiki/DebugFission 34 switch ${lang} { 35 "c" { set filename ${testfile}.o } 36 "c++" { set filename ${testfile}-cxx.o } 37 } 38 set objfile [standard_output_file $filename] 39 40 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${objfile}" object "debug $lang"] != "" 41 || [gdb_compile "${objfile}" "${exefile}" executable "debug $lang"] != "" } { 42 untested "Couldn't compile ${srcfile} in $lang mode" 43 return -1 44 } 45 return 0 46} 47 48proc test_value_creation {} { 49 global gdb_prompt 50 global gdb_py_is_py3k 51 52 gdb_py_test_silent_cmd "python i = gdb.Value (True)" "create boolean value" 1 53 gdb_py_test_silent_cmd "python i = gdb.Value (5)" "create integer value" 1 54 if { $gdb_py_is_py3k == 0 } { 55 gdb_py_test_silent_cmd "python i = gdb.Value (5L)" "create long value" 1 56 } 57 gdb_py_test_silent_cmd "python f = gdb.Value (1.25)" "create double value" 1 58 gdb_py_test_silent_cmd "python a = gdb.Value ('string test')" "create 8-bit string value" 1 59 gdb_test "python print (a)" "\"string test\"" "print 8-bit string" 60 gdb_test "python print (a.__class__)" "<(type|class) 'gdb.Value'>" "verify type of 8-bit string" 61 if { $gdb_py_is_py3k == 0 } { 62 gdb_py_test_silent_cmd "python a = gdb.Value (u'unicode test')" "create unicode value" 1 63 gdb_test "python print (a)" "\"unicode test\"" "print Unicode string" 64 gdb_test "python print (a.__class__)" "<(type|class) 'gdb.Value'>" "verify type of unicode string" 65 } 66 67 # Test address attribute is None in a non-addressable value 68 gdb_test "python print ('result = %s' % i.address)" "= None" "Test address attribute in non-addressable value" 69} 70 71proc test_value_numeric_ops {} { 72 global gdb_prompt 73 74 gdb_py_test_silent_cmd "python i = gdb.Value (5)" "create first integer value" 0 75 gdb_py_test_silent_cmd "python j = gdb.Value (2)" "create second integer value" 0 76 gdb_py_test_silent_cmd "python f = gdb.Value (1.25)" "create first double value" 0 77 gdb_py_test_silent_cmd "python g = gdb.Value (2.5)" "create second double value" 0 78 gdb_test "python print ('result = ' + str(i+j))" " = 7" "add two integer values" 79 gdb_test "python print ((i+j).__class__)" "<(type|class) 'gdb.Value'>" "verify type of integer add result" 80 81 gdb_test "python print ('result = ' + str(f+g))" " = 3.75" "add two double values" 82 gdb_test "python print ('result = ' + str(i-j))" " = 3" "subtract two integer values" 83 gdb_test "python print ('result = ' + str(f-g))" " = -1.25" "subtract two double values" 84 gdb_test "python print ('result = ' + str(i*j))" " = 10" "multiply two integer values" 85 gdb_test "python print ('result = ' + str(f*g))" " = 3.125" "multiply two double values" 86 gdb_test "python print ('result = ' + str(i/j))" " = 2" "divide two integer values" 87 gdb_test "python print ('result = ' + str(f/g))" " = 0.5" "divide two double values" 88 gdb_test "python print ('result = ' + str(i%j))" " = 1" "take remainder of two integer values" 89 # Remainder of float is implemented in Python but not in GDB's value system. 90 91 gdb_test "python print ('result = ' + str(i**j))" " = 25" "integer value raised to the power of another integer value" 92 gdb_test "python print ('result = ' + str(g**j))" " = 6.25" "double value raised to the power of integer value" 93 94 gdb_test "python print ('result = ' + str(-i))" " = -5" "negated integer value" 95 gdb_test "python print ('result = ' + str(+i))" " = 5" "positive integer value" 96 gdb_test "python print ('result = ' + str(-f))" " = -1.25" "negated double value" 97 gdb_test "python print ('result = ' + str(+f))" " = 1.25" "positive double value" 98 gdb_test "python print ('result = ' + str(abs(j-i)))" " = 3" "absolute of integer value" 99 gdb_test "python print ('result = ' + str(abs(f-g)))" " = 1.25" "absolute of double value" 100 101 # Test gdb.Value mixed with Python types. 102 103 gdb_test "python print ('result = ' + str(i-1))" " = 4" "subtract integer value from python integer" 104 gdb_test "python print ((i-1).__class__)" "<(type|class) 'gdb.Value'>" "verify type of mixed integer subtraction result" 105 gdb_test "python print ('result = ' + str(f+1.5))" " = 2.75" "add double value with python float" 106 107 gdb_test "python print ('result = ' + str(1-i))" " = -4" "subtract python integer from integer value" 108 gdb_test "python print ('result = ' + str(1.5+f))" " = 2.75" "add python float with double value" 109 110 # Conversion test. 111 gdb_test "print evalue" " = TWO" 112 gdb_test_no_output "python evalue = gdb.history (0)" 113 gdb_test "python print (int (evalue))" "2" 114 115 # Test pointer arithmethic 116 117 # First, obtain the pointers 118 gdb_test "print (void *) 2" ".*" "" 119 gdb_test_no_output "python a = gdb.history (0)" "" 120 gdb_test "print (void *) 5" ".*" "" 121 gdb_test_no_output "python b = gdb.history (0)" "" 122 123 gdb_test "python print ('result = ' + str(a+5))" " = 0x7( <.*>)?" "add pointer value with python integer" 124 gdb_test "python print ('result = ' + str(b-2))" " = 0x3( <.*>)?" "subtract python integer from pointer value" 125 gdb_test "python print ('result = ' + str(b-a))" " = 3" "subtract two pointer values" 126 127 # Test some invalid operations. 128 129 gdb_test_multiple "python print ('result = ' + str(i+'foo'))" "catch error in python type conversion" { 130 -re "Argument to arithmetic operation not a number or boolean.*$gdb_prompt $" {pass "catch error in python type conversion"} 131 -re "result = .*$gdb_prompt $" {fail "catch error in python type conversion"} 132 -re "$gdb_prompt $" {fail "catch error in python type conversion"} 133 } 134 135 gdb_test_multiple "python print ('result = ' + str(i+gdb.Value('foo')))" "catch throw of GDB error" { 136 -re "Traceback.*$gdb_prompt $" {pass "catch throw of GDB error"} 137 -re "result = .*$gdb_prompt $" {fail "catch throw of GDB error"} 138 -re "$gdb_prompt $" {fail "catch throw of GDB error"} 139 } 140} 141 142proc test_value_boolean {} { 143 # First, define a useful function to test booleans. 144 gdb_py_test_multiple "define function to test booleans" \ 145 "python" "" \ 146 "def test_bool (val):" "" \ 147 " if val:" "" \ 148 " print ('yay')" "" \ 149 " else:" "" \ 150 " print ('nay')" "" \ 151 "end" "" 152 153 gdb_test "py test_bool (gdb.Value (True))" "yay" "check evaluation of true boolean value in expression" 154 155 gdb_test "py test_bool (gdb.Value (False))" "nay" "check evaluation of false boolean value in expression" 156 157 gdb_test "py test_bool (gdb.Value (5))" "yay" "check evaluation of true integer value in expression" 158 159 gdb_test "py test_bool (gdb.Value (0))" "nay" "check evaluation of false integer value in expression" 160 161 gdb_test "py test_bool (gdb.Value (5.2))" "yay" "check evaluation of true integer value in expression" 162 163 gdb_test "py test_bool (gdb.Value (0.0))" "nay" "check evaluation of false integer value in expression" 164} 165 166proc test_value_compare {} { 167 gdb_test "py print (gdb.Value (1) < gdb.Value (1))" "False" "less than, equal" 168 gdb_test "py print (gdb.Value (1) < gdb.Value (2))" "True" "less than, less" 169 gdb_test "py print (gdb.Value (2) < gdb.Value (1))" "False" "less than, greater" 170 gdb_test "py print (gdb.Value (2) < None)" "False" "less than, None" 171 172 gdb_test "py print (gdb.Value (1) <= gdb.Value (1))" "True" "less or equal, equal" 173 gdb_test "py print (gdb.Value (1) <= gdb.Value (2))" "True" "less or equal, less" 174 gdb_test "py print (gdb.Value (2) <= gdb.Value (1))" "False" "less or equal, greater" 175 gdb_test "py print (gdb.Value (2) <= None)" "False" "less or equal, None" 176 177 gdb_test "py print (gdb.Value (1) == gdb.Value (1))" "True" "equality of gdb.Values" 178 gdb_test "py print (gdb.Value (1) == gdb.Value (2))" "False" "inequality of gdb.Values" 179 gdb_test "py print (gdb.Value (1) == 1.0)" "True" "equality of gdb.Value with Python value" 180 gdb_test "py print (gdb.Value (1) == 2)" "False" "inequality of gdb.Value with Python value" 181 gdb_test "py print (gdb.Value (1) == None)" "False" "inequality of gdb.Value with None" 182 183 gdb_test "py print (gdb.Value (1) != gdb.Value (1))" "False" "inequality, false" 184 gdb_test "py print (gdb.Value (1) != gdb.Value (2))" "True" "inequality, true" 185 gdb_test "py print (gdb.Value (1) != None)" "True" "inequality, None" 186 187 gdb_test "py print (gdb.Value (1) > gdb.Value (1))" "False" "greater than, equal" 188 gdb_test "py print (gdb.Value (1) > gdb.Value (2))" "False" "greater than, less" 189 gdb_test "py print (gdb.Value (2) > gdb.Value (1))" "True" "greater than, greater" 190 gdb_test "py print (gdb.Value (2) > None)" "True" "greater than, None" 191 192 gdb_test "py print (gdb.Value (1) >= gdb.Value (1))" "True" "greater or equal, equal" 193 gdb_test "py print (gdb.Value (1) >= gdb.Value (2))" "False" "greater or equal, less" 194 gdb_test "py print (gdb.Value (2) >= gdb.Value (1))" "True" "greater or equal, greater" 195 gdb_test "py print (gdb.Value (2) >= None)" "True" "greater or equal, None" 196} 197 198proc test_value_in_inferior {} { 199 global gdb_prompt 200 global testfile 201 global gdb_py_is_py3k 202 203 gdb_breakpoint [gdb_get_line_number "break to inspect struct and union"] 204 205 gdb_continue_to_breakpoint "break to inspect struct and union" 206 207 # Just get inferior variable s in the value history, available to python. 208 gdb_test "print s" " = {a = 3, b = 5}" "" 209 210 gdb_py_test_silent_cmd "python s = gdb.history (0)" "get value from history" 1 211 212 gdb_test "python print ('result = ' + str(s\['a'\]))" " = 3" "access element inside struct using 8-bit string name" 213 if { $gdb_py_is_py3k == 0 } { 214 gdb_test "python print ('result = ' + str(s\[u'a'\]))" " = 3" "access element inside struct using unicode name" 215 } 216 217 # Test dereferencing the argv pointer 218 219 # Just get inferior variable argv the value history, available to python. 220 gdb_test "print argv" " = \\(char \\*\\*\\) 0x.*" "" 221 222 gdb_py_test_silent_cmd "python argv = gdb.history (0)" "" 0 223 gdb_py_test_silent_cmd "python arg0 = argv.dereference ()" "dereference value" 1 224 225 # Check that the dereferenced value is sane 226 global has_argv0 227 set test "verify dereferenced value" 228 if { $has_argv0 } { 229 gdb_test "python print (arg0)" "0x.*$testfile\"" $test 230 } else { 231 unsupported $test 232 } 233 234 # Smoke-test is_optimized_out attribute 235 gdb_test "python print ('result = %s' % arg0.is_optimized_out)" "= False" "Test is_optimized_out attribute" 236 237 # Test address attribute 238 gdb_test "python print ('result = %s' % arg0.address)" "= 0x\[\[:xdigit:\]\]+" "Test address attribute" 239 240 # Test displaying a variable that is temporarily at a bad address. 241 # But if we can examine what's at memory address 0, then we'll also be 242 # able to display it without error. Don't run the test in that case. 243 set can_read_0 [is_address_zero_readable] 244 245 # Test memory error. 246 set test "parse_and_eval with memory error" 247 if {$can_read_0} { 248 untested $test 249 } else { 250 gdb_test "python print (gdb.parse_and_eval('*(int*)0'))" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test 251 } 252 253 # Test Python lazy value handling 254 set test "memory error and lazy values" 255 if {$can_read_0} { 256 untested $test 257 } else { 258 gdb_test "python inval = gdb.parse_and_eval('*(int*)0')" 259 gdb_test "python print (inval.is_lazy)" "True" 260 gdb_test "python inval2 = inval+1" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test 261 gdb_test "python inval.fetch_lazy ()" "gdb.MemoryError: Cannot access memory at address 0x0.*" $test 262 } 263 gdb_test "python argc_lazy = gdb.parse_and_eval('argc')" 264 gdb_test "python argc_notlazy = gdb.parse_and_eval('argc')" 265 gdb_test "python argc_notlazy.fetch_lazy()" 266 gdb_test "python print (argc_lazy.is_lazy)" "True" 267 gdb_test "python print (argc_notlazy.is_lazy)" "False" 268 gdb_test "print argc" " = 1" "sanity check argc" 269 gdb_test "python print (argc_lazy.is_lazy)" "\r\nTrue" 270 gdb_test_no_output "set argc=2" 271 gdb_test "python print (argc_notlazy)" "\r\n1" 272 gdb_test "python print (argc_lazy)" "\r\n2" 273 gdb_test "python print (argc_lazy.is_lazy)" "False" 274 275 # Test string fetches, both partial and whole. 276 gdb_test "print st" "\"divide et impera\"" 277 gdb_py_test_silent_cmd "python st = gdb.history (0)" "get value from history" 1 278 gdb_test "python print (st.string ())" "divide et impera" "Test string with no length" 279 gdb_test "python print (st.string (length = -1))" "divide et impera" "Test string (length = -1) is all of the string" 280 gdb_test "python print (st.string (length = 6))" "divide" 281 gdb_test "python print (\"---\"+st.string (length = 0)+\"---\")" "------" "Test string (length = 0) is empty" 282 gdb_test "python print (len(st.string (length = 0)))" "0" "Test length is 0" 283 284 285 # Fetch a string that has embedded nulls. 286 gdb_test "print nullst" "\"divide\\\\000et\\\\000impera\".*" 287 gdb_py_test_silent_cmd "python nullst = gdb.history (0)" "get value from history" 1 288 gdb_test "python print (nullst.string ())" "divide" "Test string to first null" 289 # Python cannot print strings that contain the null (\0) character. 290 # For the purposes of this test, use repr() 291 gdb_py_test_silent_cmd "python nullst = nullst.string (length = 9)" "get string beyond null" 1 292 gdb_test "python print (repr(nullst))" "u?'divide\\\\x00et'" 293 294 # Test fetching a string longer than its declared (in C) size. 295 # PR 16286 296 gdb_py_test_silent_cmd "python xstr = gdb.parse_and_eval('xstr')" "get xstr" 1 297 gdb_test "python print(xstr\['text'\].string (length = xstr\['length'\]))" "x{100}" \ 298 "read string beyond declared size" 299} 300 301proc test_lazy_strings {} { 302 303 global hex 304 305 gdb_test "print sptr" "\"pointer\"" 306 gdb_py_test_silent_cmd "python sptr = gdb.history (0)" "Get value from history" 1 307 308 gdb_py_test_silent_cmd "python lstr = sptr.lazy_string()" "Aquire lazy string" 1 309 gdb_test "python print (lstr.type)" "const char \*." "Test lazy-string type name equality" 310 gdb_test "python print (sptr.type)" "const char \*." "Test string type name equality" 311 312 # Prevent symbol on address 0x0 being printed. 313 gdb_test_no_output "set print symbol off" 314 gdb_test "print sn" "0x0" 315 316 gdb_py_test_silent_cmd "python snptr = gdb.history (0)" "Get value from history" 1 317 gdb_test "python snstr = snptr.lazy_string(length=5)" ".*Cannot create a lazy string with address.*" "Test lazy string" 318 gdb_py_test_silent_cmd "python snstr = snptr.lazy_string(length=0)" "Succesfully create a lazy string" 1 319 gdb_test "python print (snstr.length)" "0" "Test lazy string length" 320 gdb_test "python print (snstr.address)" "0" "Test lazy string address" 321} 322 323 324proc test_inferior_function_call {} { 325 global gdb_prompt hex decimal 326 327 # Correct inferior call without arguments. 328 gdb_test "p/x fp1" " = $hex.*" 329 gdb_py_test_silent_cmd "python fp1 = gdb.history (0)" "get value from history" 1 330 gdb_test "python fp1 = fp1.dereference()" "" 331 gdb_test "python result = fp1()" "" 332 gdb_test "python print (result)" "void" 333 334 # Correct inferior call with arguments. 335 gdb_test "p/x fp2" " = $hex.*" 336 gdb_py_test_silent_cmd "python fp2 = gdb.history (0)" "get value from history" 1 337 gdb_test "python fp2 = fp2.dereference()" "" 338 gdb_test "python result2 = fp2(10,20)" "" 339 gdb_test "python print (result2)" "30" 340 341 # Incorrect to call an int value. 342 gdb_test "p i" " = $decimal.*" 343 gdb_py_test_silent_cmd "python i = gdb.history (0)" "get value from history" 1 344 gdb_test "python result3 = i()" ".*Value is not callable.*" 345 346 # Incorrect number of arguments. 347 gdb_test "p/x fp2" " = $hex.*" 348 gdb_py_test_silent_cmd "python fp3 = gdb.history (0)" "get value from history" 1 349 gdb_test "python fp3 = fp3.dereference()" "" 350 gdb_test "python result2 = fp3(10)" ".*Too few arguments in function call.*" 351} 352 353# A few objfile tests. 354proc test_objfiles {} { 355 gdb_test "python\nok=False\nfor file in gdb.objfiles():\n if 'py-value' in file.filename:\n ok=True\nprint (ok)\nend" "True" \ 356 "py-value in file.filename" 357 358 gdb_test "python print (gdb.objfiles()\[0\].pretty_printers)" "\\\[\\\]" 359 360 gdb_test "python gdb.objfiles()\[0\].pretty_printers = 0" \ 361 "pretty_printers attribute must be a list.*Error while executing Python code." 362} 363 364proc test_value_after_death {} { 365 # Construct a type while the inferior is still running. 366 gdb_py_test_silent_cmd "python ptrtype = gdb.lookup_type('PTR')" \ 367 "create PTR type" 1 368 369 # Kill the inferior and remove the symbols. 370 gdb_test "kill" "" "kill the inferior" \ 371 "Kill the program being debugged. .y or n. $" \ 372 "y" 373 gdb_test "file" "" "Discard the symbols" \ 374 "Discard symbol table from.*y or n. $" \ 375 "y" 376 377 # Now create a value using that type. Relies on arg0, created by 378 # test_value_in_inferior. 379 gdb_py_test_silent_cmd "python castval = arg0.cast(ptrtype.pointer())" \ 380 "cast arg0 to PTR" 1 381 382 # Make sure the type is deleted. 383 gdb_py_test_silent_cmd "python ptrtype = None" \ 384 "delete PTR type" 1 385 386 # Now see if the value's type is still valid. 387 gdb_test "python print (castval.type)" "PTR ." \ 388 "print value's type" 389} 390 391# Regression test for invalid subscript operations. The bug was that 392# the type of the value was not being checked before allowing a 393# subscript operation to proceed. 394 395proc test_subscript_regression {exefile lang} { 396 # Start with a fresh gdb. 397 clean_restart ${exefile} 398 399 if ![runto_main ] then { 400 perror "couldn't run to breakpoint" 401 return 402 } 403 404 if {$lang == "c++"} { 405 gdb_breakpoint [gdb_get_line_number "break to inspect pointer by reference"] 406 gdb_continue_to_breakpoint "break to inspect pointer by reference" 407 408 gdb_py_test_silent_cmd "print rptr_int" \ 409 "Obtain address" 1 410 gdb_py_test_silent_cmd "python rptr = gdb.history(0)" \ 411 "Obtains value from GDB" 1 412 gdb_test "python print (rptr\[0\])" "2" "Check pointer passed as reference" 413 414 # Just the most basic test of dynamic_cast -- it is checked in 415 # the C++ tests. 416 gdb_test "python print (bool(gdb.parse_and_eval('base').dynamic_cast(gdb.lookup_type('Derived').pointer())))" \ 417 True 418 419 # Likewise. 420 gdb_test "python print (gdb.parse_and_eval('base').dynamic_type)" \ 421 "Derived \[*\]" 422 gdb_test "python print (gdb.parse_and_eval('base_ref').dynamic_type)" \ 423 "Derived \[&\]" 424 # A static type case. 425 gdb_test "python print (gdb.parse_and_eval('5').dynamic_type)" \ 426 "int" 427 } 428 429 gdb_breakpoint [gdb_get_line_number "break to inspect struct and union"] 430 gdb_continue_to_breakpoint "break to inspect struct and union" 431 432 gdb_py_test_silent_cmd "python intv = gdb.Value(1)" \ 433 "Create a value for subscript test" 1 434 gdb_py_test_silent_cmd "python stringv = gdb.Value(\"foo\")" \ 435 "Create a value for subscript test" 1 436 437 # Try to access an int with a subscript. This should fail. 438 gdb_test "python print (intv)" "1" "Baseline print of an int Python value" 439 gdb_test "python print (intv\[0\])" "gdb.error: Cannot subscript requested type.*" \ 440 "Attempt to access an integer with a subscript" 441 442 # Try to access a string with a subscript. This should pass. 443 gdb_test "python print (stringv)" "foo." "Baseline print of a string Python value" 444 gdb_test "python print (stringv\[0\])" "f." "Attempt to access a string with a subscript" 445 446 # Try to access an int array via a pointer with a subscript. This should pass. 447 gdb_py_test_silent_cmd "print p" "Build pointer to array" 1 448 gdb_py_test_silent_cmd "python pointer = gdb.history(0)" "" 1 449 gdb_test "python print (pointer\[0\])" "1" "Access array via pointer with int subscript" 450 gdb_test "python print (pointer\[intv\])" "2" "Access array via pointer with value subscript" 451 452 # Try to access a single dimension array with a subscript to the 453 # result. This should fail. 454 gdb_test "python print (pointer\[intv\]\[0\])" "gdb.error: Cannot subscript requested type.*" \ 455 "Attempt to access an integer with a subscript" 456 457 # Lastly, test subscript access to an array with multiple 458 # dimensions. This should pass. 459 gdb_py_test_silent_cmd "print {\"fu \",\"foo\",\"bar\"}" "Build array" 1 460 gdb_py_test_silent_cmd "python marray = gdb.history(0)" "" 1 461 gdb_test "python print (marray\[1\]\[2\])" "o." "Test multiple subscript" 462} 463 464# A few tests of gdb.parse_and_eval. 465proc test_parse_and_eval {} { 466 gdb_test "python print (gdb.parse_and_eval ('23'))" "23" \ 467 "parse_and_eval constant test" 468 gdb_test "python print (gdb.parse_and_eval ('5 + 7'))" "12" \ 469 "parse_and_eval simple expression test" 470 gdb_test "python print (type(gdb.parse_and_eval ('5 + 7')))" \ 471 ".(type|class) 'gdb.Value'."\ 472 "parse_and_eval type test" 473} 474 475# Test that values are hashable. 476proc test_value_hash {} { 477 gdb_py_test_multiple "Simple Python value dictionary" \ 478 "python" "" \ 479 "one = gdb.Value(1)" "" \ 480 "two = gdb.Value(2)" "" \ 481 "three = gdb.Value(3)" "" \ 482 "vdict = {one:\"one str\",two:\"two str\",three:\"three str\"}" "" \ 483 "end" 484 gdb_test "python print (vdict\[one\])" "one str" "Test dictionary hash" 485 gdb_test "python print (vdict\[two\])" "two str" "Test dictionary hash" 486 gdb_test "python print (vdict\[three\])" "three str" "Test dictionary hash" 487 gdb_test "python print (one.__hash__() == hash(one))" "True" "Test inbuilt hash" 488} 489 490# Build C version of executable. C++ is built later. 491if { [build_inferior "${binfile}" "c"] < 0 } { 492 return -1 493} 494 495# Start with a fresh gdb. 496clean_restart ${binfile} 497 498# Skip all tests if Python scripting is not enabled. 499if { [skip_python_tests] } { continue } 500 501test_value_creation 502test_value_numeric_ops 503test_value_boolean 504test_value_compare 505test_objfiles 506test_parse_and_eval 507test_value_hash 508 509# The following tests require execution. 510 511if ![runto_main] then { 512 fail "Can't run to main" 513 return 0 514} 515 516test_value_in_inferior 517test_inferior_function_call 518test_lazy_strings 519test_value_after_death 520 521# Test either C or C++ values. 522 523test_subscript_regression "${binfile}" "c" 524 525if ![skip_cplus_tests] { 526 if { [build_inferior "${binfile}-cxx" "c++"] < 0 } { 527 return -1 528 } 529 with_test_prefix "c++" { 530 test_subscript_regression "${binfile}-cxx" "c++" 531 } 532} 533