bg-execution-repeat.exp revision 1.6 
1# Copyright (C) 2014-2019 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 that repeating a background command doesn't lose the "&" in the
17# repeat, turning a background command into a foreground command.  See
18# PR gdb/17471.
19
20standard_testfile
21
22if { [build_executable "failed to prepare" ${testfile} $srcfile] } {
23    return -1
24}
25
26set linenum [gdb_get_line_number "set break here"]
27
28# Run the test proper.  CONTINUE_CMD is the background continue
29# command to issue.
30
31proc test {continue_cmd} {
32    global gdb_prompt
33    global binfile
34    global linenum
35
36    clean_restart $binfile
37
38    if ![runto_main] {
39	return
40    }
41
42    gdb_breakpoint "$linenum"
43
44    set test $continue_cmd
45    gdb_test_multiple $test $test {
46	-re "Continuing\\.\r\n$gdb_prompt " {
47	    # Note no end anchor.  If the breakpoint triggers soon enough
48	    # enough we see further output after the prompt.
49	    pass $test
50	}
51    }
52
53    # Wait for the stop.  Don't expect a prompt, as we had resumed the
54    # inferior in the background.
55    set test "breakpoint hit 1"
56    gdb_test_multiple "" $test {
57	-re "set break here" {
58	    pass $test
59	}
60    }
61
62    # Trigger a repeat.  Buggy GDB used to lose the "&", making this a
63    # foreground command...
64    send_gdb "\n"
65    gdb_test "" "Continuing\\." "repeat bg command"
66
67    # ... and thus further input wouldn't be processed until the target
68    # stopped.
69    gdb_test "print 1" " = 1" "input still accepted"
70
71    # Make sure we see a stop after the print, and not before.  Don't
72    # expect a prompt, as we had resumed the inferior in the background.
73    set test "breakpoint hit 2"
74    gdb_test_multiple "" $test {
75	-re "set break here ..\r\n" {
76	    pass $test
77	}
78    }
79}
80
81# Test with and without extra arguments.
82foreach cmd {"c&" "c 1&"} {
83    with_test_prefix $cmd {
84	test $cmd
85    }
86}
87