gdb/testsuite/gdb.base/alias.exp

   1 # Test the alias command.
   2 # Copyright 2011-2020 Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 gdb_exit
  18 gdb_start
  19 gdb_reinitialize_dir $srcdir/$subdir
  20
  21 # Helper to test the -a option to alias.
  22 # Aliases that are abbreviations of commands (e.g. r -> run)
  23 # do not appear in help output.
  24
  25 proc test_abbrev_not_present { alias_name } {
  26     global gdb_prompt
  27     set alias_present 0
  28     set test_name "abbrev $alias_name not present in help command list"
  29     gdb_test_multiple "help aliases" $test_name {
  30         -re "\[\r\n\]$alias_name \[^\r\n\]*" {
  31             set alias_present 1
  32             exp_continue
  33         }
  34         -re ".*$gdb_prompt $" {
  35             if { !$alias_present } then {
  36                 pass $test_name
  37             } else {
  38                 fail $test_name
  39             }
  40         }
  41     }
  42 }
  43
  44 proc test_abbrev_alias { name gdb_command test_value } {
  45     gdb_test_no_output $gdb_command
  46     gdb_test_no_output "$name print elements $test_value"
  47     gdb_test "show print elements" "Limit .* is $test_value\[.\]" "verify $name"
  48     test_abbrev_not_present $name
  49 }
  50
  51 test_abbrev_alias set2 "alias -a set2=set" 42
  52 test_abbrev_alias set3 "alias -a set3= set" 43
  53 test_abbrev_alias set4 "alias -a set4 =set" 44
  54 test_abbrev_alias set5 "alias -a set5 = set" 45
  55 test_abbrev_alias set6 "alias -a -- set6 = set" 46
  56 test_abbrev_alias -a "alias -a -- -a = set" 47
  57
  58 gdb_test "alias set2=set" "already exists: set2"
  59 gdb_test "alias foo=bar" "Invalid command to alias to: bar"
  60
  61 gdb_test_no_output "alias spe = set p elem"
  62 gdb_test_no_output "spe 50"
  63 gdb_test "show print elements" "Limit .* is 50\[.\]" "verify spe"
  64
  65 gdb_test_no_output "alias set pr elms = set p elem"
  66 gdb_test_no_output "set pr elms 51"
  67 gdb_test "show print elements" "Limit .* is 51\[.\]" "verify set pr elms"
  68 gdb_test "help set print" "set print elements, set print elms, spe .*"
  69
  70 # Verify alias command detects a non existing prefix.
  71 gdb_test "alias assigne imprime limite-elements = set print elements" \
  72     "ALIAS and COMMAND prefixes do not match\." \
  73     "assigne imprime prefix not defined"
  74
  75 gdb_test "alias set imprime limite-elements = set print elements" \
  76     "ALIAS and COMMAND prefixes do not match\." \
  77     "set imprime prefix not defined"
  78
  79 # Verify alias command detects a non matching prefix.
  80 gdb_test "alias set ada limite-elements = set print elements" \
  81     "ALIAS and COMMAND prefixes do not match\." \
  82     "mismatched prefix"
  83
  84 # Verify alias command detects a non matching prefix due to length.
  85 gdb_test "alias set imprime-limite-elements = set print elements" \
  86     "Mismatched command length between ALIAS and COMMAND\." \
  87     "mismatched length"
  88
  89
  90 # Gradually define the prefixes and the limite-elements command.
  91 gdb_test_no_output "alias assigne = set" "alias assigne"
  92 gdb_test_no_output "alias assigne imprime = set print" "alias assigne imprime"
  93 gdb_test_no_output "alias assigne imprime limite-elements = set print elements" \
  94     "alias assigne imprime limite-elements"
  95
  96 # Define an alias using the command prefix with a command using an alias prefix.
  97 gdb_test_no_output "alias set print max-elements = assigne imprime elements" \
  98     "alias set print max-elements using assigne imprime"
  99
 100
 101 # Tests the resulting prefixes and commands.
 102 gdb_test_no_output "assigne print elements 52"
 103 gdb_test "show print elements" "Limit .* is 52\[.\]" "verify 52"
 104
 105 gdb_test_no_output "assigne imprime elements 53"
 106 gdb_test "show print elements" "Limit .* is 53\[.\]" "verify 53"
 107
 108 gdb_test_no_output "assigne imprime limite-elements 54"
 109 gdb_test "show print elements" "Limit .* is 54\[.\]" "verify 54"
 110
 111 gdb_test_no_output "set imprime elements 55"
 112 gdb_test "show print elements" "Limit .* is 55\[.\]" "verify 55"
 113
 114 gdb_test_no_output "set print limite-elements 56"
 115 gdb_test "show print elements" "Limit .* is 56\[.\]" "verify 56"
 116
 117 gdb_test_no_output "set print max-elements 57"
 118 gdb_test "show print elements" "Limit .* is 57\[.\]" "verify 57"
 119
 120 # Test aliases having a common prefix.
 121 gdb_test_no_output "alias abcd  = backtrace"
 122 gdb_test_no_output "alias abcde = backtrace"
 123 gdb_test_no_output "alias fghij = backtrace"
 124 gdb_test_no_output "alias fghi  = backtrace"
 125
 126 # Verify help aliases shows the user defined aliases
 127 gdb_test "help aliases" ".*abcd --.*.*abcde --.*"