1# Copyright (C) 2014-2020 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# Test spawning a subshell from a multi-line command, where the last
17# prompt displayed is a secondary prompt.  GDB used to have a bug
18# where in this case the subshell would start with the wrong terminal
19# settings.  See PR python/17372.
20
21gdb_exit
22gdb_start
23
24# The subshell's prompt.
25set shell_prompt "gdb-subshell$ "
26set shell_prompt_re [string_to_regexp $shell_prompt]
27
28# Point HOME nowhere to avoid the shell sourcing the user's init
29# scripts.
30set shell_cmd "HOME=/dev/null PS1=\"$shell_prompt\" /bin/sh"
31
32set test "spawn subshell from multi-line"
33gdb_test_multiple "if 1\nshell ${shell_cmd}\nend" $test {
34    -re "$shell_prompt_re$" {
35	pass $test
36
37	# Now check that shell input works and that echo is enabled.
38	set test "shell input works"
39	send_gdb "echo foo\n"
40	gdb_expect {
41	    -re "^echo foo\r\nfoo\r\n$shell_prompt_re$" {
42		pass $test
43	    }
44	    timeout {
45		fail "$test (timeout)"
46	    }
47	}
48
49	# Exit the subshell, back to GDB
50	gdb_test "exit" ".*" "exit shell"
51    }
52}
53
54# Check that we restore input in GDB correctly.
55gdb_test "print 1" "^print 1\r\n.. = 1" "gdb input still works"
56