gdb/testsuite/gdb.base/paginate-after-ctrl-c-running.exp

   1 # Copyright (C) 2014-2015 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 standard_testfile
  17
  18 if {[build_executable "failed to prepare" $testfile $srcfile debug] == -1} {
  19     return -1
  20 }
  21
  22 # Send a ctrl-c while the target is running and the next output causes
  23 # a pagination prompt.
  24
  25 proc test_ctrlc_while_target_running_paginates {} {
  26     global binfile srcfile
  27     global gdb_prompt pagination_prompt
  28
  29     set testline [gdb_get_line_number "after sleep"]
  30
  31     with_test_prefix "ctrlc target running" {
  32         clean_restart $binfile
  33
  34         if ![runto_main] then {
  35             fail "Can't run to main"
  36             return 0
  37         }
  38
  39         gdb_test "b $srcfile:$testline" \
  40             "Breakpoint .*$srcfile, line $testline.*" \
  41             "set breakpoint"
  42
  43         gdb_test_no_output "set height 2"
  44
  45         # Wait for the "Continuing" line, indicating the program is
  46         # running.
  47         set test "continue"
  48         gdb_test_multiple $test $test {
  49             -re "Continuing" {
  50                 pass $test
  51             }
  52         }
  53
  54         # The program sleeps 10 seconds.  Wait just a bit and send a
  55         # ctrl-c.
  56         sleep 2
  57         send_gdb "\003"
  58
  59         # GDB now intercepts the SIGINT and tries to let the user know
  60         # about the spurious signal, but that paginates.  Make sure
  61         # the user can respond to the pagination query.
  62         set test "got prompt"
  63         set saw_pagination_prompt 0
  64         gdb_test_multiple "" $test {
  65             -re "$pagination_prompt$" {
  66                 set saw_pagination_prompt 1
  67                 send_gdb "\n"
  68                 exp_continue
  69             }
  70             -re "$gdb_prompt $" {
  71                 gdb_assert $saw_pagination_prompt $test
  72             }
  73         }
  74
  75         # Confirm GDB can still process input.
  76         gdb_test "p 1" " = 1" "GDB accepts further input"
  77
  78         # In case the board file wants to send further commands.
  79         gdb_test_no_output "set height unlimited"
  80     }
  81 }
  82
  83 test_ctrlc_while_target_running_paginates