gdb/testsuite/gdb.python/py-lazy-string.exp

   1 # Copyright (C) 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 lazy string support
  17 # not tested by py-prettyprinter.exp.
  18
  19 load_lib gdb-python.exp
  20
  21 standard_testfile
  22
  23 if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
  24     return -1
  25 }
  26
  27 # Skip all tests if Python scripting is not enabled.
  28 if { [skip_python_tests] } { continue }
  29
  30 if ![runto_main ] {
  31     return -1
  32 }
  33
  34 gdb_breakpoint [gdb_get_line_number "break here"]
  35 gdb_continue_to_breakpoint "break here"
  36
  37 gdb_test_no_output "python null = gdb.parse_and_eval(\"null\")"
  38
  39 gdb_test "python print null.lazy_string(length=0).value()" \
  40     "gdb.MemoryError: Cannot create a value from NULL.*Error while executing Python code."
  41 gdb_test "python print null.lazy_string(length=3).value()" \
  42     "gdb.MemoryError: Cannot create a lazy string with address 0x0, and a non-zero length.*Error while executing Python code."