1# Copyright 2017-2020 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# This file is part of the gdb testsuite. 17 18load_lib completion-support.exp 19 20gdb_exit 21gdb_start 22 23# Tests below are about tab-completion, which doesn't work if readline 24# library isn't used. Check it first. 25 26if { ![readline_is_used] } { 27 untested "no tab completion support without readline" 28 return -1 29} 30 31# Start of tests. 32 33# Test TAB with no input. 34proc_with_prefix empty-input-line {} { 35 # Set max-completions to 1 to avoid having to hardcode a set of 36 # command names. 37 gdb_test_no_output "set max-completions 1" 38 39 # Given the completion limit, this completes to the command with 40 # the lowest alphanumeric sort, which is, and is likely to remain, 41 # "!". 42 test_gdb_complete_unique "" "!" " " 1 43 44 # Same, but with some leading whitespace. 45 test_gdb_complete_unique " " " !" " " 1 46} 47 48proc test_driver {} { 49 empty-input-line 50} 51 52test_driver 53