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# This testcase is part of GDB, the GNU debugger.
# Copyright 2019-2021 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Test the "default-args" arguments and completion of alias command.
load_lib completion-support.exp
standard_testfile .c
if {[build_executable "failed to prepare" $testfile $srcfile debug]} {
return -1
}
clean_restart $binfile
# Basic/core tests using user-visible commands.
with_test_prefix "basics" {
# Define an alias to pretty print something.
gdb_test "print g_s" " = {a = 1, b = 2, c = 3}" "simple print"
gdb_test_no_output "alias PP = print -pretty --" "alias PP"
gdb_test "help PP" "print, PP, inspect, p\r\n alias PP = print -pretty --\r\n.*"
gdb_test "PP g_s" \
[multi_line \
" = {" \
" a = 1," \
" b = 2," \
" c = 3" \
"}"]
# Define an alias of frame apply all with some default args.
gdb_test_no_output "alias frame apply tout = frame apply all -past-entry -past-main" \
"alias frame apply tout"
gdb_test "help frame apply tout" \
"frame apply all, frame apply tout\r\n alias frame apply tout = frame apply all -past-entry -past-main\r\n.*"
# Show all aliases.
gdb_test "help aliases" \
[multi_line \
"User-defined aliases of other commands." \
"" \
"List of commands:" \
"" \
"PP -- Print value of expression EXP." \
" alias PP = print -pretty --" \
"frame apply tout -- Apply a command to all frames." \
" alias frame apply tout = frame apply all -past-entry -past-main" \
".*" ] \
"help aliases"
}
# Check errors.
with_test_prefix "errors" {
# Try an unknown root setting.
gdb_test "alias wrong = xxxx yyyy -someoption" \
"Undefined command: \"xxxx\". Try \"help\"\\."
# Try ambiguous command.
gdb_test "alias wrong = a" \
"Ambiguous command \"a\":.*" "ambiguous a"
gdb_test "alias wrong = frame a" \
"Ambiguous frame command \"a\":.*" "ambiguous frame a"
}
# Check completion.
with_test_prefix "completion" {
test_gdb_complete_unique \
"alias set pri" \
"alias set print"
test_gdb_complete_unique \
"alias set print items = set pri" \
"alias set print items = set print"
test_gdb_complete_unique \
"alias set print items = set print ele" \
"alias set print items = set print elements"
test_gdb_complete_unique \
"alias btfu = backt" \
"alias btfu = backtrace"
test_gdb_complete_unique \
"alias btfu = backtrace -fu" \
"alias btfu = backtrace -full"
test_gdb_complete_unique \
"alias btfu = backtrace -full -past-e" \
"alias btfu = backtrace -full -past-entry"
gdb_test_no_output "alias btfu = backtrace -full -past-entry" \
"alias btfu"
}
# Check alias of alias.
with_test_prefix "alias_of_alias" {
# Verify we can alias an alias that has no default args.
# We allow an alias of an alias, to be backward compatible with
# GDB 9.1 .
gdb_test_no_output "alias aaa = backtrace"
gdb_test_no_output "alias bbb = backtrace"
# Verify that we cannot define an alias of an alias that has default args.
gdb_test_no_output "alias ccc = backtrace -full"
gdb_test "alias ddd = ccc" \
"Cannot define an alias of an alias that has default args"
}
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