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

   1 # Copyright (C) 2008-2020 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 { [skip_cplus_tests] } { continue }
  20
  21 standard_testfile .cc
  22 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \
  23           {debug c++}] != "" } {
  24     untested "failed to compile"
  25     return -1
  26 }
  27
  28 # Start with a fresh gdb.
  29
  30 gdb_exit
  31 gdb_start
  32 gdb_reinitialize_dir $srcdir/$subdir
  33
  34 # Skip all tests if Python scripting is not enabled.
  35 if { [skip_python_tests] } { continue }
  36
  37 proc test_template_arg {exefile type} {
  38     global testfile srcdir subdir srcfile
  39     if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${exefile}" \
  40                 executable \
  41                 [list debug c++ additional_flags="-DTYPE=$type"]] != "" } {
  42         untested $type
  43         return -1
  44     }
  45     gdb_load ${exefile}
  46     if ![runto_main ] then {
  47         perror "couldn't run to breakpoint"
  48         return
  49     }
  50     # There is no executable code in main(), so we are where we want to be
  51     gdb_test "print (foo)" ".*" \
  52         "print (foo) in template test of $type"
  53     gdb_test_no_output "python foo = gdb.history(0)" \
  54         "fetch foo from gdb.history(0) in template test of $type"
  55
  56     # Replace '*' with '\*' in regex.
  57     regsub -all {\*} $type {\*} t
  58     gdb_test "python print (foo.type.template_argument(0))" $t $type
  59
  60     gdb_test "python print(foo.type.template_argument(-1))" \
  61         "Template argument number must be non-negative\r\nError while executing Python code." \
  62         "negative template argument number in template test of $type"
  63 }
  64
  65 test_template_arg "${binfile}-ci" "const int"
  66 test_template_arg "${binfile}-vi" "volatile int"
  67 test_template_arg "${binfile}-cir" "const int &"
  68 test_template_arg "${binfile}-vir" "volatile int &"
  69 test_template_arg "${binfile}-vipc" "volatile int * const"
  70 test_template_arg "${binfile}-vipcp" "volatile int * const *"
  71 test_template_arg "${binfile}-cipv" "const int * volatile"
  72 test_template_arg "${binfile}-cipvpcpvp" "const int * volatile * const * volatile *"