gdb/testsuite/gdb.fortran/intvar-array.exp

   1 # Copyright 2021-2023 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 # Place a non-dynamic array into an internal variable, then show that
  17 # modifications to either the internal variable, or to the original
  18 # array are independent.
  19
  20 standard_testfile ".f90"
  21 load_lib "fortran.exp"
  22
  23 if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} \
  24     {debug f90 quiet}] } {
  25     return -1
  26 }
  27
  28 if ![fortran_runto_main] {
  29     return -1
  30 }
  31
  32 gdb_breakpoint [gdb_get_line_number "Break here"]
  33 gdb_continue_to_breakpoint "Break here"
  34
  35 # Take a copy of the array into an internal variable.
  36 gdb_test_no_output "set \$a=arr" "set \$a internal variable"
  37
  38 # Validate the original contents.
  39 gdb_test "print arr" \
  40     " = \\(1, 1, 1, 1, 1, 1, 1, 1, 1, 1\\)" \
  41     "print arr contents"
  42 gdb_test "print \$a" \
  43     " = \\(1, 1, 1, 1, 1, 1, 1, 1, 1, 1\\)" \
  44     "print \$a contents"
  45
  46 # Modify the original array in memory.
  47 gdb_test_no_output "set arr(5) = 5"
  48
  49 # Modify the internal variable copy.
  50 gdb_test_no_output "set \$a(3) = 3"
  51
  52 # Now check that the two values have been updated independently.
  53 gdb_test "print arr" \
  54     " = \\(1, 1, 1, 1, 5, 1, 1, 1, 1, 1\\)" \
  55     "print arr contents after change"
  56 gdb_test "print \$a" \
  57     " = \\(1, 1, 3, 1, 1, 1, 1, 1, 1, 1\\)" \
  58     "print \$a contents after change"