# Copyright 1998-2015 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 . # This file was written by Elena Zannoni (ezannoni@cygnus.com) # This file is part of the gdb testsuite. # # tests for command completion # # Here are some useful test cases for completion. # They should be tested with both M-? and TAB. # # "show output-" "radix" # "show output" "-radix" # "p" ambiguous (commands starting with p--path, print, printf, etc.) # "p " ambiguous (all symbols) # "info t foo" no completions # "info t " no completions # "info t" ambiguous ("info target", "info terminal", etc.) # "info ajksdlfk" no completions # "info ajksdlfk " no completions # "info" " " # "info " ambiguous (all info commands) # "p \"break1" unambiguous (completes to filename "break1.c") # "p \"break1." unambiguous (should complete to "break1.c" but does not, # due to readline limitations) # "p 'arg" ambiguous (all symbols starting with arg) # "p b-arg" ambiguous (all symbols starting with arg) # "p b-" ambiguous (all symbols) # "file Make" "file" (word break hard to screw up here) # "file ../gdb.stabs/we" "ird" (needs to not break word at slash) # # # test running programs # standard_testfile break.c break1.c if [get_compiler_info] { return -1 } if {[prepare_for_testing $testfile.exp $testfile \ [list $srcfile $srcfile2] {debug nowarnings}]} { untested $testfile.exp return -1 } if ![runto_main] then { perror "tests suppressed" } set timeout 30 gdb_test_no_output "set max-completions unlimited" gdb_test_no_output "complete print values\[0\].x." \ "field completion with invalid field" # If there is a non-deprecated completion, it should be returned. gdb_test "complete sav" "save" "test non-deprecated completion" # If there is only a deprecated completion, then it should be returned. gdb_test "complete save-t" "save-tracepoints" "test deprecated completion" # # Tag name completion. # gdb_test "complete ptype struct some_" "ptype struct some_struct" gdb_test "complete ptype enum some_" "ptype enum some_enum" gdb_test "complete ptype union some_" "ptype union some_union" gdb_test "complete set gnutarget aut" "set gnutarget auto" gdb_test "complete set cp-abi aut" "set cp-abi auto" # Test that completion of commands 'target FOO' works well. set targets [list "core" "tfile" "exec"] # Test that completion of command 'target ctf' if GDB supports ctf # target. gdb_test_multiple "target ctf" "" { -re "Undefined target command: \"ctf\"\. Try \"help target\"\.\r\n$gdb_prompt $" { } -re "No CTF directory specified.*\r\n$gdb_prompt $" { lappend targets "ctf" } } # Test artifacts are put in different locations depending on test # is a parallel run or not. Firstly check file exists, and then # do the test on file completion. foreach dir1 [ list "./gdb.base" "./outputs/gdb.base/completion" ] { if { [remote_file host exists ${dir1}/completion] && [remote_file host exists ${dir1}/completion0.o] && [remote_file host exists ${dir1}/completion1.o] } { foreach target_name ${targets} { gdb_test "complete target ${target_name} ${dir1}/completion" \ "target ${target_name} ${dir1}/completion.*${dir1}/completion0\\.o.*${dir1}/completion1\\.o.*" \ "complete target ${target_name}" } break } } # # "set foo unlimited" completion. # # A var_uinteger command. gdb_test "complete set height " "set height unlimited" gdb_test "complete set height u" "set height unlimited" # A var_integer command. gdb_test "complete set listsize " "set listsize unlimited" gdb_test "complete set listsize unl" "set listsize unlimited" # A var_zuinteger_unlimited command. gdb_test "complete set trace-buffer-size " "set trace-buffer-size unlimited" gdb_test "complete set trace-buffer-size unl" "set trace-buffer-size unlimited" # Test "info registers" completion: First determine this # architecture's registers and reggroups... set regs_output [capture_command_output "mt print registers" \ ".*Name.*Nr.*Rel.*Offset.*Size.*Type.\[^\n\]*\n"] append regs_output "\n" append regs_output [capture_command_output "mt print reggroups" \ ".*Group.*Type\[^\n]*\n"] append regs_output "\n" append regs_output [capture_command_output "mt print user-registers" \ ".*Name.*Nr\[^\n]*\n"] set all_regs {} foreach {- reg} [regexp -all -inline -line {^\s+(\w+)} $regs_output] { lappend all_regs $reg } set all_regs [join [lsort -unique $all_regs]] # ... and then compare them to the completion of "info registers". set regs_output [capture_command_output "complete info registers " ""] set completed_regs {} foreach {-> reg} [regexp -all -inline -line {^info registers (\w+\S*)} $regs_output] { lappend completed_regs $reg } set completed_regs [join [lsort $completed_regs]] gdb_assert {{$all_regs eq $completed_regs}} "complete 'info registers '" # Tests below are about tab-completion, which doesn't work if readline # library isn't used. Check it first. if { ![readline_is_used] } { return -1 } set test "complete 'hfgfh'" send_gdb "hfgfh\t" gdb_test_multiple "" "$test" { -re "^hfgfh\\\x07$" { send_gdb "\n" gdb_test_multiple "" $test { -re "Undefined command: \"hfgfh\"\\. Try \"help\"\\..*$gdb_prompt $" { pass "$test" } } } } #exp_internal 0 set test "complete 'show output'" send_gdb "show output\t" gdb_test_multiple "" "$test" { -re "^show output-radix $" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "Default output radix for printing of values is 10\\..*$gdb_prompt $" { pass "$test" } } } } set test "complete 'show output-'" send_gdb "show output-\t" gdb_test_multiple "" "$test" { -re "^show output-radix $" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "Default output radix for printing of values is 10\\..*$gdb_prompt $" { pass "$test" } } } } set test "complete 'p'" send_gdb "p\t" gdb_test_multiple "" "$test" { -re "^p\\\x07$" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "The history is empty\\..*$gdb_prompt $" { pass "$test" } } } } set test "complete 'p '" send_gdb "p \t" gdb_test_multiple "" "$test" { -re "^p \\\x07$" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "The history is empty\\..*$gdb_prompt $" { pass "$test" } } } } set test "complete 'info t foo'" send_gdb "info t foo\t" gdb_test_multiple "" "$test" { -re "^info t foo\\\x07$" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "Ambiguous info command \"t foo\": target, tasks, terminal, threads, tp, tracepoints, tvariables, (type-printers, )?types\\..*$gdb_prompt $" { pass "$test" } } } } set test "complete 'info t'" send_gdb "info t\t" gdb_test_multiple "" "$test" { -re "^info t\\\x07$" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "Ambiguous info command \"t\": target, tasks, terminal, threads, tp, tracepoints, tvariables, (type-printers, )?types\\..*$gdb_prompt $" { pass "$test" } } } } set test "complete 'info t '" send_gdb "info t \t" gdb_test_multiple "" "$test" { -re "^info t \\\x07$" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "Ambiguous info command \"t \": target, tasks, terminal, threads, tp, tracepoints, tvariables, (type-printers, )?types\\..*$gdb_prompt $" { pass "$test" } } } } set test "complete 'info asdfgh'" send_gdb "info asdfgh\t" gdb_test_multiple "" "$test" { -re "^info asdfgh\\\x07$" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "Undefined info command: \"asdfgh\". Try \"help info\"\\..*$gdb_prompt $" { pass "$test" } } } } set test "complete 'info asdfgh '" send_gdb "info asdfgh \t" gdb_test_multiple "" "$test" { -re "^info asdfgh \\\x07$" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "Undefined info command: \"asdfgh \". Try \"help info\"\\..*$gdb_prompt $" { pass "$test" } } } } set test "complete 'info'" send_gdb "info\t" gdb_test_multiple "" "$test" { -re "^info $" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "\"info\" must be followed by the name of an info command\\.\r\nList of info subcommands.*$gdb_prompt $" { pass "$test" } } } } set test "complete 'info '" send_gdb "info \t" gdb_test_multiple "" "$test" { -re "^info \\\x07$" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "\"info\" must be followed by the name of an info command\\.\r\nList of info subcommands:\r\n\r\n.*$gdb_prompt $" { pass "$test" } } } } set test "complete (2) 'info '" send_gdb "info \t" gdb_test_multiple "" "$test" { -re "^info \\\x07$" { send_gdb "\t" gdb_test_multiple "" "$test" { -re "address.*types.*$gdb_prompt " { send_gdb "\n" gdb_test_multiple "" "$test" { -re "\"info\".*unambiguous\\..*$gdb_prompt $" { pass "$test" } } } } } } set test "complete 'help info wat'" send_gdb "help info wat\t" gdb_test_multiple "" "$test" { -re "^help info watchpoints $" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "Status of specified watchpoints.*\r\n.*$gdb_prompt $" { pass "$test" } } } -re "^help info wat\\\x07$" { fail "$test" } } set test "complete 'p \"break1'" send_gdb "p \"break1\t" gdb_test_multiple "" "$test" { -re "^p \"break1\\\x07$" { send_gdb "\n" gdb_test_multiple "" "$test" {} } -re "^p \"break1\\.c\"$" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "$gdb_prompt $" { pass "$test" } } } } setup_xfail "*-*-*" set test "complete 'p \"break1.'" send_gdb "p \"break1.\t" gdb_test_multiple "" "$test" { -re "^p \"break1\\.\\\x07$" { send_gdb "\n" gdb_test_multiple "" "$test" {} } -re "^p \"break1\\.c\"$" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "$gdb_prompt $" { pass "$test" } } } -re "^p \"break1\\..*$" { send_gdb "\n" gdb_test_multiple "" "$test" {} } } set test "complete 'p 'arg'" send_gdb "p 'arg\t" gdb_test_multiple "" "$test" { -re "^p 'arg\\\x07$" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "(Invalid character constant\\.|Unmatched single quote\\.).*$gdb_prompt $" { pass "$test" } } } } set test "complete (2) 'p 'arg'" send_gdb "p 'arg\t" gdb_test_multiple "" "$test" { -re "^p 'arg\\\x07$" { send_gdb "\t" gdb_test_multiple "" "$test" { -re "argv.*$gdb_prompt " { send_gdb "\n" gdb_test_multiple "" "$test" { -re "(Invalid character constant\\.|Unmatched single quote\\.).*$gdb_prompt $" { pass "$test" } } } -re "(There are $decimal possibilities\\. Do you really\r\nwish to see them all.|Display all $decimal possibilities.) \\(y or n\\)$" { send_gdb "n" gdb_test_multiple "" "$test" { -re "\\(gdb\\) p 'arg$" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "(Invalid character constant\\.|Unmatched single quote\\.).*$gdb_prompt $" { pass "$test" } } } } } } } } set test "complete 'handle signal'" send_gdb "handle sigq\t" gdb_test_multiple "" "$test" { -re "^handle sigqSIGQUIT $" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "SIGQUIT.*Quit.*$gdb_prompt $" { pass "$test" } } } } set test "complete 'handle keyword'" send_gdb "handle nos\t" gdb_test_multiple "" "$test" { -re "^handle nostop $" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "$gdb_prompt $" { pass "$test" } } } } set test "complete help aliases" send_gdb "help user-define\t" gdb_test_multiple "" "$test" { -re "^help user-defined $" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "$gdb_prompt $" { pass "$test" } } } } # These tests used to try completing the shorter "p b-a". # Unfortunately, on some systems, there are .o files in system # libraries which declare static variables named `b'. Of course, # those variables aren't really in scope, as far as the compiler is # concerned. But GDB deliberately tries to be more liberal: if you # enter an identifier that doesn't have any binding in scope, GDB will # search all the program's compilation units for a static variable of # the given name. # # This behavior can help avoid a lot of pedantry, so it's usually a # good thing. But in this test case, it causes GDB to print the value # of some random variable, instead of giving us the "No symbol..." # error we were expecting. # # For example, on S/390 linux, the file s_atan.c in libm.a declares a # `b', which is a structure containing an int and a float, so GDB says # ``Argument to arithmetic operation not a number or boolean'' instead # of ``No symbol ...''. # # So, I'm hoping that there is no system with a static library variable named # `no_var_by_this_name'. set test "complete 'p no_var_named_this-arg'" send_gdb "p no_var_named_this-arg\t" gdb_test_multiple "" "$test" { -re "^p no_var_named_this-arg\\\x07$" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "No symbol \"no_var_named_this\" in current context\\..*$gdb_prompt $" { pass "$test" } } } } set test "complete (2) 'p no_var_named_this-arg'" send_gdb "p no_var_named_this-arg\t" gdb_test_multiple "" "$test" { -re "^p no_var_named_this-arg\\\x07$" { send_gdb "\t" gdb_test_multiple "" "$test" { -re "argv.*$gdb_prompt " { send_gdb "\n" gdb_test_multiple "" "$test" { -re "No symbol \"no_var_named_this\" in current context\\..*$gdb_prompt $" { pass "$test" } } } -re "(There are $decimal possibilities\\. Do you really\r\nwish to see them all.|Display all $decimal possibilities.) \\(y or n\\)$" { send_gdb "n\n" # Eat the prompt gdb_expect { -re "$gdb_prompt " { pass "$test (eat prompt)" } timeout { fail "(timeout) $test (eat prompt)" } } gdb_test_multiple "" "$test" { -re "No symbol \"no_var_named_this\" in current context\\..*$gdb_prompt $" { pass "$test" } } } } } } set test "complete (2) 'p no_var_named_this-'" send_gdb "p no_var_named_this-\t" gdb_test_multiple "" "$test" { -re "^p no_var_named_this-\\\x07$" { send_gdb "\t" gdb_test_multiple "" "$test" { -re "(There are $decimal possibilities\\. Do you really\r\nwish to see them all.|Display all $decimal possibilities.) \\(y or n\\)$" { send_gdb "n\n" # Eat the prompt gdb_expect { -re "$gdb_prompt " { pass "$test (eat prompt)" } timeout { fail "(timeout) $test (eat prompt)" } } gdb_test_multiple "" "$test" { -re "No symbol \"no_var_named_this\" in current context\\..*$gdb_prompt $" { pass "$test" } } } -re "argv.*$gdb_prompt $" { send_gdb "\n" gdb_test_multiple "" "$test" { -re "No symbol \"no_var_named_this\" in current context\\..*$gdb_prompt $" { pass "$test" } } } } } } set test "complete 'p values\[0\].a'" send_gdb "p values\[0\].a\t" gdb_test_multiple "" "$test" { -re "^p values.0..a_field $" { send_gdb "\n" gdb_test_multiple "" "$test" { -re " = 0.*$gdb_prompt $" { pass "$test" } } } } set test "complete 'p values\[0\] . a'" send_gdb "p values\[0\] . a\t" gdb_test_multiple "" "$test" { -re "^p values.0. . a_field $" { send_gdb "\n" gdb_test_multiple "" "$test" { -re " = 0.*$gdb_prompt $" { pass "$test" } } } } set test "complete 'p &values\[0\] -> a'" send_gdb "p &values\[0\] -> a\t" gdb_test_multiple "" "$test" { -re "^p &values.0. -> a_field $" { send_gdb "\n" gdb_test_multiple "" "$test" { -re " = .*0x\[0-9a-fA-F\]*.*$gdb_prompt $" { pass "$test" } } } } gdb_test "complete p &values\[0\]->z" \ "p &values.0.->z_field" \ "completion of field in anonymous union" gdb_test "complete ptype &values\[0\]->z" \ "ptype &values.0.->z_field" \ "ptype completion of field in anonymous union" gdb_test "complete whatis &values\[0\]->z" \ "whatis &values.0.->z_field" \ "whatis completion of field in anonymous union" # The following tests used to simply try to complete `${objdir}/file', # and so on. The problem is that ${objdir} can be very long; the # completed filename may be more than eighty characters wide. When # this happens, readline tries to manage things, producing output that # may make sense on the screen, but is rather hard for our script to # recognize. # # In the case that motivated this change, the (gdb) prompt occupied # the leftmost six columns, and `${objdir}/' was seventy-four # characters long --- eighty in all. After printing the slash, # readline emitted a space, a carriage return, and then `Makefile' # (the tab character being received as input after `Make'. # # Basically, you have to let readline do whatever it's going to do to # make the screen look right. If it happens to use a different # strategy on Tuesdays to get the cursor in the right place, that's # not something the testsuite should care about. # # So, we avoid long lines. We `cd' to ${objdir} first, and then do # the completion relative to the current directory. # ${srcdir} may be a relative path. We want to make sure we end up # in the right directory - so make sure we know where it is. set mydir [pwd] cd ${srcdir} set fullsrcdir [pwd] cd ${mydir} # If the directory name contains a '+' we must escape it, adding a backslash. # If not, the test below will fail because it will interpret the '+' as a # regexp operator. We use string_to_regexp for this purpose. gdb_test "cd ${fullsrcdir}" \ "Working directory [string_to_regexp ${fullsrcdir}].*" \ "cd to \${srcdir}" # GDB used to fail adding / on directories, on the first try only. set uniquedir ../testsuite/gdb.base/comp-dir set escapeduniquedir [string_to_regexp ${uniquedir}] set uniquesu subdi set uniquesub ${uniquesu}r set escapeuniquesub [string_to_regexp ${uniquesub}] send_gdb "dir ${uniquedir}\t" gdb_expect { -re "${escapeduniquedir}/" { pass "directory completion" send_gdb "${uniquesu}\t" } -re "${escapeduniquedir} $" { fail "directory completion (old gdb bug)" send_gdb "\b/${uniquesu}\t" } default { fail "directory completion (timeout)" send_gdb "\ndir ${uniquedir}/${uniquesu}\t" } } gdb_expect { -re "${escapeuniquesub}/$" { pass "directory completion 2" } timeout { fail "directory completion 2" } } # Empty COMMAND sends no newline while " " sends the newline we need. gdb_test " " "Source directories searched: .*" "Glob remaining of directory test" gdb_test "complete file ./gdb.base/compl" \ "file ./gdb.base/completion\\.exp.*" \ "complete-command 'file ./gdb.base/compl'" set test "complete 'file ./gdb.base/complet'" send_gdb "file ./gdb.base/complet\t" gdb_test_multiple "" "$test" { -re "^file ./gdb.base/completion\\.exp $" { send_gdb "\n" # Ignore the exact error message. gdb_test_multiple "" "complete 'file ./gdb.base/complet'" { -re "\r\nA program is being debugged already\\.\[\r\n\]+Are you sure you want to change the file\\? \\(y or n\\) $" { send_gdb "n\n" exp_continue } -re "$gdb_prompt $" { pass "$test" } } } } set test "complete 'info func marke'" send_gdb "info func marke\t" gdb_test_multiple "" "$test" { -re "^info func marke.*r$" { send_gdb "\t\t" gdb_test_multiple "" "$test" { -re "marker1.*$gdb_prompt " { send_gdb "\n" gdb_test_multiple "" "$test" { -re "All functions matching regular expression \"marker\":.*File.*break1.c:\r\nint marker1\\((void|)\\);\r\nint marker2\\(int\\).*marker3\\(char.*char.*\\).*marker4\\(long( int)?\\);.*$gdb_prompt $" { pass "$test" } } } } } } set test "complete 'set follow-fork-mode'" send_gdb "set follow-fork-mode \t\t" gdb_test_multiple "" "$test" { -re "child.*parent.*$gdb_prompt " { send_gdb "\n" gdb_test_multiple "" "$test" { -re "Requires an argument.*child.*parent.*$gdb_prompt $" { pass "$test" } -re "Ambiguous item \"\"\\..*$gdb_prompt $" { pass "$test" } } } } # # Completion limiting. # gdb_test_no_output "set max-completions 5" set test "command-name completion limiting using tab character" send_gdb "p\t" gdb_test_multiple "" "$test" { -re "^p\\\x07$" { send_gdb "\t" gdb_test_multiple "" "$test" { -re "List may be truncated, max-completions reached.*\r\n$gdb_prompt p$" { # Complete the command and ignore the output to resync # gdb for the next test. send_gdb "\n" gdb_test_multiple "" "$test" { -re "$gdb_prompt $" { pass "$test" } } } -re "$gdb_prompt p$" { # Complete the command and ignore the output to resync # gdb for the next test. send_gdb "\n" gdb_test_multiple "" "$test" { -re "$gdb_prompt $" { fail "$test" } } } } } } set test "command-name completion limiting using complete command" send_gdb "complete p\n" gdb_test_multiple "" "$test" { -re "List may be truncated, max-completions reached.*\r\n$gdb_prompt $" { pass "$test" } } gdb_test_no_output "set max-completions 3" set test "symbol-name completion limiting using tab character" send_gdb "p marker\t" gdb_test_multiple "" "$test" { -re "^p marker\\\x07$" { send_gdb "\t" gdb_test_multiple "" "$test" { -re "List may be truncated, max-completions reached.*\r\n$gdb_prompt p marker$" { # Complete the command and ignore the output to resync # gdb for the next test. send_gdb "\n" gdb_test_multiple "" "$test" { -re "$gdb_prompt $" { pass "$test" } } } -re "$gdb_prompt p marker$" { # Complete the command and ignore the output to resync # gdb for the next test. send_gdb "\n" gdb_test_multiple "" "$test" { -re "$gdb_prompt $" { fail "$test" } } } } } } set test "symbol-name completion limiting using complete command" send_gdb "complete p mark\n" gdb_test_multiple "" "$test" { -re "List may be truncated, max-completions reached.*\r\n$gdb_prompt $" { pass "$test" } }