gdb/testsuite/gdb.base/default-args.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2
   3 # Copyright 2019-2021 Free Software Foundation, Inc.
   4
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # Test the "default-args" arguments and completion of alias command.
  19
  20 load_lib completion-support.exp
  21
  22 standard_testfile .c
  23
  24 if {[build_executable "failed to prepare" $testfile $srcfile debug]} {
  25     return -1
  26 }
  27
  28 clean_restart $binfile
  29
  30 # Basic/core tests using user-visible commands.
  31 with_test_prefix "basics" {
  32     # Define an alias to pretty print something.
  33     gdb_test "print g_s" " = {a = 1, b = 2, c = 3}" "simple print"
  34     gdb_test_no_output "alias PP = print -pretty --" "alias PP"
  35     gdb_test "help PP" "print, PP, inspect, p\r\n  alias PP = print -pretty --\r\n.*"
  36     gdb_test "PP g_s" \
  37         [multi_line  \
  38              " = {" \
  39              "  a = 1," \
  40              "  b = 2," \
  41              "  c = 3" \
  42              "}"]
  43
  44     # Define an alias of frame apply all with some default args.
  45     gdb_test_no_output "alias frame apply tout = frame apply all -past-entry -past-main" \
  46         "alias frame apply tout"
  47     gdb_test "help frame apply tout" \
  48         "frame apply all, frame apply tout\r\n  alias frame apply tout = frame apply all -past-entry -past-main\r\n.*"
  49
  50     # Show all aliases.
  51     gdb_test "help aliases" \
  52         [multi_line  \
  53              "User-defined aliases of other commands." \
  54              "" \
  55              "List of commands:" \
  56              "" \
  57              "PP -- Print value of expression EXP." \
  58              "  alias PP = print -pretty --" \
  59              "frame apply tout -- Apply a command to all frames." \
  60              "  alias frame apply tout = frame apply all -past-entry -past-main" \
  61              ".*" ] \
  62         "help aliases"
  63 }
  64
  65 # Check errors.
  66 with_test_prefix "errors" {
  67     # Try an unknown root setting.
  68     gdb_test "alias wrong = xxxx yyyy -someoption" \
  69         "Undefined command: \"xxxx\".  Try \"help\"\\."
  70
  71     # Try ambiguous command.
  72     gdb_test "alias wrong = a" \
  73         "Ambiguous command \"a\":.*" "ambiguous a"
  74     gdb_test "alias wrong = frame a" \
  75         "Ambiguous frame command \"a\":.*" "ambiguous frame a"
  76 }
  77
  78
  79 # Check completion.
  80 with_test_prefix "completion" {
  81     test_gdb_complete_unique \
  82         "alias set pri" \
  83         "alias set print"
  84
  85     test_gdb_complete_unique \
  86         "alias set print items = set pri" \
  87         "alias set print items = set print"
  88
  89     test_gdb_complete_unique \
  90         "alias set print items = set print ele" \
  91         "alias set print items = set print elements"
  92
  93    test_gdb_complete_unique \
  94         "alias btfu = backt" \
  95         "alias btfu = backtrace"
  96
  97    test_gdb_complete_unique \
  98         "alias btfu = backtrace -fu" \
  99         "alias btfu = backtrace -full"
 100
 101    test_gdb_complete_unique \
 102         "alias btfu = backtrace -full -past-e" \
 103         "alias btfu = backtrace -full -past-entry"
 104
 105     gdb_test_no_output "alias btfu = backtrace -full -past-entry" \
 106         "alias btfu"
 107
 108 }
 109
 110 # Check alias of alias.
 111 with_test_prefix "alias_of_alias" {
 112     # Verify we can alias an alias that has no default args.
 113     # We allow an alias of an alias, to be backward compatible with
 114     # GDB 9.1 .
 115     gdb_test_no_output "alias aaa = backtrace"
 116     gdb_test_no_output "alias bbb = backtrace"
 117
 118     # Verify that we cannot define an alias of an alias that has default args.
 119     gdb_test_no_output "alias ccc = backtrace -full"
 120     gdb_test "alias ddd = ccc" \
 121         "Cannot define an alias of an alias that has default args"
 122
 123 }