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

   1 # Copyright (C) 2009, 2010, 2011 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 load_lib gdb-python.exp
  24
  25 set testfile "py-frame"
  26 set srcfile ${testfile}.c
  27 set binfile ${objdir}/${subdir}/${testfile}
  28 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  29     untested "Couldn't compile ${srcfile}"
  30     return -1
  31 }
  32
  33 # Start with a fresh gdb.
  34
  35 gdb_exit
  36 gdb_start
  37 gdb_reinitialize_dir $srcdir/$subdir
  38 gdb_load ${binfile}
  39
  40 # Skip all tests if Python scripting is not enabled.
  41 if { [skip_python_tests] } { continue }
  42
  43 # The following tests require execution.
  44
  45 if ![runto_main] then {
  46     fail "Can't run to main"
  47     return 0
  48 }
  49
  50 gdb_breakpoint [gdb_get_line_number "Block break here."]
  51 gdb_continue_to_breakpoint "Block break here."
  52 gdb_py_test_silent_cmd "python bf1 = gdb.selected_frame ()" "get frame" 0
  53
  54 # First test that read_var is unaffected by PR 11036 changes.
  55 gdb_test "python print bf1.read_var(\"i\")" "\"stuff\"" "test i"
  56 gdb_test "python print bf1.read_var(\"f\")" "\"foo\"" "test f"
  57 gdb_test "python print bf1.read_var(\"b\")" "\"bar\"" "test b"
  58
  59 # Test the read_var function in another block other than the current
  60 # block (in this case, the super block). Test thar read_var is reading
  61 # the correct variables of i and f but they are the correct value and type.
  62 gdb_py_test_silent_cmd "python sb = bf1.block().superblock" "get superblock" 0
  63 gdb_test "python print bf1.read_var(\"i\", sb)" "1.1.*" "test i = 1.1"
  64 gdb_test "python print bf1.read_var(\"i\", sb).type" "double" "test double i"
  65 gdb_test "python print bf1.read_var(\"f\", sb)" "2.2.*" "test f = 2.2"
  66 gdb_test "python print bf1.read_var(\"f\", sb).type" "double" "test double f"
  67
  68 # And again test another outerblock, this time testing "i" is the
  69 # correct value and type.
  70 gdb_py_test_silent_cmd "python sb = sb.superblock" "get superblock" 0
  71 gdb_test "python print bf1.read_var(\"i\", sb)" "99" "test i = 99"
  72 gdb_test "python print bf1.read_var(\"i\", sb).type" "int" "test int i"
  73
  74 gdb_breakpoint "f2"
  75 gdb_continue_to_breakpoint "breakpoint at f2"
  76 gdb_test "up" ".*" ""
  77
  78 gdb_py_test_silent_cmd "python f1 = gdb.selected_frame ()" "get second frame" 0
  79 gdb_py_test_silent_cmd "python f0 = f1.newer ()" "get first frame" 0
  80
  81 gdb_test "python print 'result =', f0 == f1" " = False" "test equality comparison (false)"
  82 gdb_test "python print 'result =', f0 == f0" " = True" "test equality comparison (true)"
  83 gdb_test "python print 'result =', f0 != f1" " = True" "test inequality comparison (true)"
  84 gdb_test "python print 'result =', f0 != f0" " = False" "test inequality comparison (false)"
  85 gdb_test "python print 'result =', f0.is_valid ()" " = True" "test Frame.is_valid"
  86 gdb_test "python print 'result =', f0.name ()" " = f2" "test Frame.name"
  87 gdb_test "python print 'result =', f0.type () == gdb.NORMAL_FRAME" " = True" "test Frame.type"
  88 gdb_test "python print 'result =', f0.unwind_stop_reason () == gdb.FRAME_UNWIND_NO_REASON" " = True" "test Frame.type"
  89 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"
  90 gdb_test "python print 'result =', f0.pc ()" " = \[0-9\]+" "test Frame.pc"
  91 gdb_test "python print 'result =', f0.older () == f1" " = True" "test Frame.older"
  92 gdb_test "python print 'result =', f1.newer () == f0" " = True" "test Frame.newer"
  93 gdb_test "python print 'result =', f0.read_var ('variable_which_surely_doesnt_exist')" \
  94   "ValueError: Variable 'variable_which_surely_doesnt_exist' not found.*Error while executing Python code." \
  95   "test Frame.read_var - error"
  96 gdb_test "python print 'result =', f0.read_var ('a')" " = 1" "test Frame.read_var - success"
  97
  98 gdb_test "python print 'result =', gdb.selected_frame () == f1" " = True" "test gdb.selected_frame"