gdb/testsuite/gdb.base/help.exp

   1 #   Copyright 1988-2019 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 # This file was written by Rob Savoye. (rob@cygnus.com)
  17
  18 # Test basic help functionality.
  19 # This is not intended to test the help text of every command,
  20 # or even more than a few commands - too much of a maintenance burden.
  21
  22 gdb_start
  23
  24 # disable pagination
  25 gdb_test_no_output "set height 0" "disable pagination"
  26
  27 # Test all the help classes.
  28 test_class_help "aliases" {"Aliases of other commands\.\[\r\n\]+"}
  29 test_class_help "breakpoints" {
  30     "Making program stop at certain points\.\[\r\n\]+"
  31 }
  32 test_class_help "data" {"Examining data\.\[\r\n\]+"}
  33 test_class_help "files" {"Specifying and examining files\.\[\r\n\]+"}
  34 test_class_help "internals" {
  35     "Maintenance commands\.\[\r\n\]+"
  36     "Some gdb commands are provided just for use by gdb maintainers\.\[\r\n\]+"
  37     "These commands are subject to frequent change, and may not be as\[\r\n\]+"
  38     "well documented as user commands\.\[\r\n\]+"
  39 }
  40 test_class_help "obscure" {"Obscure features\.\[\r\n\]+"}
  41 test_class_help "running" {"Running the program\.\[\r\n\]+"}
  42 test_class_help "stack" {
  43     "Examining the stack\..*\[\r\n\]+"
  44     "When the program being debugged stops, gdb selects the innermost frame\.\[\r\n\]+"
  45     "The commands below can be used to select other frames by number or address\.\[\r\n\]+"
  46 }
  47 test_class_help "status" {
  48     "Status inquiries\.\[\r\n\]+"
  49 }
  50 test_class_help "support" {"Support facilities\.\[\r\n\]+"}
  51 test_class_help "tracepoints" {
  52     "Tracing of program execution without stopping the program\.\[\r\n\]+"
  53 }
  54 test_class_help "user-defined" {
  55     "User-defined commands\.\[\r\n\]+"
  56     "The commands in this class are those defined by the user\.\[\r\n\]+"
  57     "Use the \"define\" command to define a command\.\[\r\n\]+"
  58 }
  59
  60 # Test help of an abbreviated command.  "break" is picked at random.
  61 set help_breakpoint_text "Set breakpoint at specified location\..*"
  62 # test help breakpoint "b" abbreviation
  63 gdb_test "help b" $help_breakpoint_text "help breakpoint \"b\" abbreviation"
  64 # test help breakpoint "br" abbreviation
  65 gdb_test "help br" $help_breakpoint_text "help breakpoint \"br\" abbreviation"
  66 # test help breakpoint "bre" abbreviation
  67 gdb_test "help bre" $help_breakpoint_text "help breakpoint \"bre\" abbreviation"
  68 # test help breakpoint "brea" abbreviation
  69 gdb_test "help brea" $help_breakpoint_text "help breakpoint \"brea\" abbreviation"
  70 # test help breakpoint "break" abbreviation
  71 gdb_test "help break" $help_breakpoint_text "help breakpoint \"break\" abbreviation"
  72
  73 # Test help of an aliased command.  "bt" is picked at random.
  74 set help_backtrace_text "Print backtrace of all stack frames, or innermost COUNT frames\..*"
  75 # test help backtrace "bt" abbreviation
  76 gdb_test "help bt" $help_backtrace_text "help backtrace \"bt\" abbreviation"
  77 # test help backtrace
  78 gdb_test "help backtrace" $help_backtrace_text "help backtrace"
  79
  80 # test help commands
  81 gdb_test "help commands" "Set commands to be executed when the given breakpoints are hit\.\[\r\n\]+Give a space-separated breakpoint list as argument after \"commands\"\.\[\r\n\]+A list element can be a breakpoint number \\(e.g. `5'\\) or a range of numbers\[\r\n\]+\\(e.g. `5-7'\\)\.\[\r\n\]+With no argument, the targeted breakpoint is the last one set\.\[\r\n\]+The commands themselves follow starting on the next line\.\[\r\n\]+Type a line containing \"end\" to indicate the end of them\.\[\r\n\]+Give \"silent\" as the first line to make the breakpoint silent;\[\r\n\]+then no output is printed when it is hit, except what the commands print\." "help commands"
  82
  83 # Test a prefix command.  "delete" is picked at random.
  84 # test help delete "d" abbreviation
  85 set expected_help_delete {
  86     "Delete some breakpoints or auto-display expressions\.\[\r\n\]+"
  87     "Arguments are breakpoint numbers with spaces in between\.\[\r\n\]+"
  88     "To delete all breakpoints, give no argument\.\[\r\n\]+"
  89     "Also a prefix command for deletion of other GDB objects\.\[\r\n\]+"
  90     "The \"unset\" command is also an alias for \"delete\"\.\[\r\n\]+"
  91 }
  92 test_prefix_command_help {"d" "delete"} $expected_help_delete "help delete \"d\" abbreviation"
  93 # test help delete
  94 test_prefix_command_help "delete" $expected_help_delete
  95
  96 # Make sure help for help itself is present.
  97 # test help help "h" abbreviation
  98 gdb_test "help h" "Print list of commands\." "help help \"h\" abbreviation"
  99 # test help help
 100 gdb_test "help help" "Print list of commands\." "help help"
 101
 102 # The startup banner refers to "show copying" and "show warranty",
 103 # might as well test for them.
 104 # test help info copying
 105 gdb_test "help show copying" "Conditions for redistributing copies of GDB\." \
 106     "help show copying"
 107 # test help info warranty
 108 gdb_test "help show warranty" "Various kinds of warranty you do not have\." \
 109     "help show warranty"
 110
 111 # Test a few other random "help show" commands.
 112 # test help show commands
 113 gdb_test "help show commands" "Show the history of commands you typed\.\[\r\n\]+You can supply a command number to start with, or a `\[+\]' to start after\[\r\n\]+the previous command number shown\." "help show commands"
 114 # test help show confirm
 115 gdb_test "help show confirm" "Show whether to confirm potentially dangerous operations\." "help show confirm"
 116
 117 # test help info bogus-gdb-command
 118 gdb_test "help info bogus-gdb-command" "Undefined info command: \"bogus-gdb-command\"\.  Try \"help info\"\." "help info bogus-gdb-command"
 119 # test help gotcha
 120 gdb_test "help gotcha" "Undefined command: \"gotcha\"\.  Try \"help\"\." "help gotcha"
 121
 122 # test apropos regex
 123 gdb_test "apropos \\\(print\[\^ bsiedf\\\".-\]\\\)" "handle -- Specify how to handle signals"
 124 # test apropos >1 word string
 125 gdb_test "apropos handle signal" "handle -- Specify how to handle signals"
 126 # test apropos apropos
 127 gdb_test "apropos apropos" "apropos -- Search for commands matching a REGEXP.*"