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

   1 # Copyright (C) 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-block"
  26 set srcfile ${testfile}.c
  27 if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } {
  28     return -1
  29 }
  30
  31 # Skip all tests if Python scripting is not enabled.
  32 if { [skip_python_tests] } { continue }
  33
  34 if ![runto_main] then {
  35     fail "Can't run to main"
  36     return 0
  37 }
  38
  39 global hex decimal
  40 gdb_breakpoint [gdb_get_line_number "Block break here."]
  41 gdb_continue_to_breakpoint "Block break here."
  42
  43 # Test initial innermost block.
  44 gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "Get Frame" 0
  45 gdb_py_test_silent_cmd "python block = frame.block()" "Get block" 0
  46 gdb_test "python print block" "<gdb.Block object at $hex>" "Check block not None"
  47 gdb_test "python print block.function" "None" "First anonymous block"
  48 gdb_test "python print block.start" "${decimal}" "Check start not None"
  49 gdb_test "python print block.end" "${decimal}" "Check end not None"
  50
  51 # Test global/static blocks
  52 gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "Get Frame" 0
  53 gdb_py_test_silent_cmd "python block = frame.block()" "Get block" 0
  54 gdb_test "python print block.is_global" "False" "Not a global block"
  55 gdb_test "python print block.is_static" "False" "Not a static block"
  56 gdb_py_test_silent_cmd "python gblock = block.global_block" "Get block" 1
  57 gdb_py_test_silent_cmd "python sblock = block.static_block" "Get block" 1
  58 gdb_test "python print gblock.is_global" "True" "Is the global block"
  59 gdb_test "python print sblock.is_static" "True" "Is the static block"
  60
  61 # Move up superblock(s) until we reach function block_func.
  62 gdb_test_no_output "python block = block.superblock" "Get superblock"
  63 gdb_test "python print block.function" "None" "Second anonymous block"
  64 gdb_test_no_output "python block = block.superblock" "Get superblock 2"
  65 gdb_test "python print block.function" "block_func" \
  66          "Print superblock 2 function"
  67
  68 # Switch frames, then test for main block.
  69 gdb_test "up" ".*"
  70 gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "Get Frame 2" 0
  71 gdb_py_test_silent_cmd "python block = frame.block()" "Get Frame 2's block" 0
  72 gdb_test "python print block" "<gdb.Block object at $hex>" \
  73          "Check Frame 2's block not None"
  74 gdb_test "python print block.function" "main" "main block"
  75
  76
  77 # Test Block is_valid.  This must always be the last test in this
  78 # testcase as it unloads the object file.
  79 delete_breakpoints
  80 gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "Get Frame" 0
  81 gdb_py_test_silent_cmd "python block = frame.block()" "Get Frame block" 0
  82 gdb_py_test_silent_cmd "python block_iter = iter (block)" "Get Frame block" 0
  83 gdb_test "python print block.is_valid()" "True" \
  84          "Check block validity"
  85 gdb_test "python print block_iter.is_valid()" "True" \
  86          "Check block validity"
  87 gdb_unload
  88 gdb_test "python print block.is_valid()" "False" \
  89          "Check block validity"
  90 gdb_test "python print block_iter.is_valid()" "False" \
  91          "Check block validity"