paginate-after-ctrl-c-running.exp revision 1.5
1# Copyright (C) 2014-2017 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 16if [target_info exists gdb,nointerrupts] { 17 verbose "Skipping paginate-after-ctrl-c-running.exp because of nointerrupts." 18 return 19} 20 21standard_testfile 22 23if {[build_executable "failed to prepare" $testfile $srcfile debug] == -1} { 24 return -1 25} 26 27# Send a ctrl-c while the target is running and the next output causes 28# a pagination prompt. 29 30proc test_ctrlc_while_target_running_paginates {} { 31 global binfile srcfile 32 global gdb_prompt pagination_prompt 33 34 set testline [gdb_get_line_number "after sleep"] 35 36 with_test_prefix "ctrlc target running" { 37 clean_restart $binfile 38 39 if ![runto_main] then { 40 fail "can't run to main" 41 return 0 42 } 43 44 gdb_test "b $srcfile:$testline" \ 45 "Breakpoint .*$srcfile, line $testline.*" \ 46 "set breakpoint" 47 48 gdb_test_no_output "set height 2" 49 50 # Wait for the "Continuing" line, indicating the program is 51 # running. 52 set test "continue" 53 gdb_test_multiple $test $test { 54 -re "Continuing" { 55 pass $test 56 } 57 } 58 59 # The program sleeps 10 seconds. Wait just a bit and send a 60 # ctrl-c. 61 sleep 2 62 send_gdb "\003" 63 64 # GDB now intercepts the SIGINT and tries to let the user know 65 # about the spurious signal, but that paginates. Make sure 66 # the user can respond to the pagination query. 67 set test "got prompt" 68 set saw_pagination_prompt 0 69 gdb_test_multiple "" $test { 70 -re "$pagination_prompt$" { 71 set saw_pagination_prompt 1 72 send_gdb "\n" 73 exp_continue 74 } 75 -re "$gdb_prompt $" { 76 gdb_assert $saw_pagination_prompt $test 77 } 78 } 79 80 # Confirm GDB can still process input. 81 gdb_test "p 1" " = 1" "GDB accepts further input" 82 83 # In case the board file wants to send further commands. 84 gdb_test_no_output "set height unlimited" 85 } 86} 87 88test_ctrlc_while_target_running_paginates 89