gdb/testsuite/gdb.python/py-frame.exp

   1 # Copyright (C) 2009 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
  19 if $tracelevel then {
  20     strace $tracelevel
  21 }
  22
  23 set testfile "py-frame"
  24 set srcfile ${testfile}.c
  25 set binfile ${objdir}/${subdir}/${testfile}
  26 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  27     untested "Couldn't compile ${srcfile}"
  28     return -1
  29 }
  30
  31 # Run a command in GDB, and report a failure if a Python exception is thrown.
  32 # If report_pass is true, report a pass if no exception is thrown.
  33 proc gdb_py_test_silent_cmd {cmd name report_pass} {
  34   global gdb_prompt
  35
  36   gdb_test_multiple $cmd $name {
  37       -re "Traceback.*$gdb_prompt $"  { fail $name }
  38       -re "$gdb_prompt $"             { if $report_pass { pass $name } }
  39   }
  40 }
  41
  42 # Start with a fresh gdb.
  43
  44 gdb_exit
  45 gdb_start
  46 gdb_reinitialize_dir $srcdir/$subdir
  47 gdb_load ${binfile}
  48
  49 gdb_test_multiple "python print 'hello, world!'" "verify python support" {
  50     -re "not supported.*$gdb_prompt $"  {
  51       unsupported "python support is disabled"
  52       return -1
  53     }
  54     -re "$gdb_prompt $" {}
  55 }
  56
  57 # The following tests require execution.
  58
  59 if ![runto_main] then {
  60     fail "Can't run to main"
  61     return 0
  62 }
  63
  64 gdb_breakpoint "f2"
  65 gdb_continue_to_breakpoint "breakpoint at f2"
  66 gdb_test "up" "" ""
  67
  68 gdb_py_test_silent_cmd "python f1 = gdb.selected_frame ()" "get second frame" 0
  69 gdb_py_test_silent_cmd "python f0 = f1.newer ()" "get first frame" 0
  70
  71 gdb_test "python print 'result =', f0 == f1" " = False" "test equality comparison (false)"
  72 gdb_test "python print 'result =', f0 == f0" " = True" "test equality comparison (true)"
  73 gdb_test "python print 'result =', f0 != f1" " = True" "test inequality comparison (true)"
  74 gdb_test "python print 'result =', f0 != f0" " = False" "test inequality comparison (false)"
  75 gdb_test "python print 'result =', f0.is_valid ()" " = True" "test Frame.is_valid"
  76 gdb_test "python print 'result =', f0.name ()" " = f2" "test Frame.name"
  77 gdb_test "python print 'result =', f0.type () == gdb.NORMAL_FRAME" " = True" "test Frame.type"
  78 gdb_test "python print 'result =', f0.unwind_stop_reason () == gdb.FRAME_UNWIND_NO_REASON" " = True" "test Frame.type"
  79 gdb_test "python print 'result =', gdb.frame_stop_reason_string (gdb.FRAME_UNWIND_INNER_ID)" " = previous frame inner to this frame \\(corrupt stack\\?\\)" "test gdb.frame_stop_reason_string"
  80 gdb_test "python print 'result =', f0.pc ()" " = \[0-9\]+" "test Frame.pc"
  81 gdb_test "python print 'result =', f0.older () == f1" " = True" "test Frame.older"
  82 gdb_test "python print 'result =', f1.newer () == f0" " = True" "test Frame.newer"
  83 gdb_test "python print 'result =', f0.read_var ('variable_which_surely_doesnt_exist')" \
  84   "ValueError: variable 'variable_which_surely_doesnt_exist' not found.*Error while executing Python code." \
  85   "test Frame.read_var - error"
  86 gdb_test "python print 'result =', f0.read_var ('a')" " = 1" "test Frame.read_var - success"
  87
  88 gdb_test "python print 'result =', gdb.selected_frame () == f1" " = True" "test gdb.selected_frame"