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

   1 # Copyright (C) 2009-2012 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 load_lib gdb-python.exp
  20
  21 standard_testfile
  22
  23 if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } {
  24     return -1
  25 }
  26
  27 # Skip all tests if Python scripting is not enabled.
  28 if { [skip_python_tests] } { continue }
  29
  30 # The following tests require execution.
  31
  32 if ![runto_main] then {
  33     fail "Can't run to main"
  34     return 0
  35 }
  36
  37 gdb_breakpoint [gdb_get_line_number "Block break here."]
  38 gdb_continue_to_breakpoint "Block break here."
  39 gdb_py_test_silent_cmd "python bf1 = gdb.selected_frame ()" "get frame" 0
  40
  41 # First test that read_var is unaffected by PR 11036 changes.
  42 gdb_test "python print bf1.read_var(\"i\")" "\"stuff\"" "test i"
  43 gdb_test "python print bf1.read_var(\"f\")" "\"foo\"" "test f"
  44 gdb_test "python print bf1.read_var(\"b\")" "\"bar\"" "test b"
  45
  46 # Test the read_var function in another block other than the current
  47 # block (in this case, the super block). Test thar read_var is reading
  48 # the correct variables of i and f but they are the correct value and type.
  49 gdb_py_test_silent_cmd "python sb = bf1.block().superblock" "get superblock" 0
  50 gdb_test "python print bf1.read_var(\"i\", sb)" "1.1.*" "test i = 1.1"
  51 gdb_test "python print bf1.read_var(\"i\", sb).type" "double" "test double i"
  52 gdb_test "python print bf1.read_var(\"f\", sb)" "2.2.*" "test f = 2.2"
  53 gdb_test "python print bf1.read_var(\"f\", sb).type" "double" "test double f"
  54
  55 # And again test another outerblock, this time testing "i" is the
  56 # correct value and type.
  57 gdb_py_test_silent_cmd "python sb = sb.superblock" "get superblock" 0
  58 gdb_test "python print bf1.read_var(\"i\", sb)" "99" "test i = 99"
  59 gdb_test "python print bf1.read_var(\"i\", sb).type" "int" "test int i"
  60
  61 gdb_breakpoint "f2"
  62 gdb_continue_to_breakpoint "breakpoint at f2"
  63 gdb_py_test_silent_cmd "python bframe = gdb.selected_frame()" \
  64     "get bottommost frame" 0
  65 gdb_test "up" ".*" ""
  66
  67 gdb_py_test_silent_cmd "python f1 = gdb.selected_frame ()" "get second frame" 0
  68 gdb_py_test_silent_cmd "python f0 = f1.newer ()" "get first frame" 0
  69
  70 gdb_test "python print f1 == gdb.newest_frame()" False \
  71     "selected frame -vs- newest frame"
  72 gdb_test "python print bframe == gdb.newest_frame()" True \
  73     "newest frame -vs- newest frame"
  74
  75 gdb_test "python print 'result =', f0 == f1" " = False" "test equality comparison (false)"
  76 gdb_test "python print 'result =', f0 == f0" " = True" "test equality comparison (true)"
  77 gdb_test "python print 'result =', f0 != f1" " = True" "test inequality comparison (true)"
  78 gdb_test "python print 'result =', f0 != f0" " = False" "test inequality comparison (false)"
  79 gdb_test "python print 'result =', f0.is_valid ()" " = True" "test Frame.is_valid"
  80 gdb_test "python print 'result =', f0.name ()" " = f2" "test Frame.name"
  81 gdb_test "python print 'result =', f0.type () == gdb.NORMAL_FRAME" " = True" "test Frame.type"
  82 gdb_test "python print 'result =', f0.unwind_stop_reason () == gdb.FRAME_UNWIND_NO_REASON" " = True" "test Frame.type"
  83 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"
  84 gdb_test "python print 'result =', f0.pc ()" " = \[0-9\]+" "test Frame.pc"
  85 gdb_test "python print 'result =', f0.older () == f1" " = True" "test Frame.older"
  86 gdb_test "python print 'result =', f1.newer () == f0" " = True" "test Frame.newer"
  87 gdb_test "python print 'result =', f0.read_var ('variable_which_surely_doesnt_exist')" \
  88   "ValueError: Variable 'variable_which_surely_doesnt_exist' not found.*Error while executing Python code." \
  89   "test Frame.read_var - error"
  90 gdb_test "python print 'result =', f0.read_var ('a')" " = 1" "test Frame.read_var - success"
  91
  92 gdb_test "python print 'result =', gdb.selected_frame () == f1" " = True" "test gdb.selected_frame"