1 # Copyright 1998-2014 Free Software Foundation, Inc.
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.
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.
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/>.
16 # This file was written by Elena Zannoni (ezannoni@cygnus.com)
18 # This file is part of the gdb testsuite.
21 # tests for command completion
23 # Here are some useful test cases for completion.
24 # They should be tested with both M-? and TAB.
26 # "show output-" "radix"
27 # "show output" "-radix"
28 # "p" ambiguous (commands starting with p--path, print, printf, etc.)
29 # "p " ambiguous (all symbols)
30 # "info t foo" no completions
31 # "info t " no completions
32 # "info t" ambiguous ("info target", "info terminal", etc.)
33 # "info ajksdlfk" no completions
34 # "info ajksdlfk " no completions
36 # "info " ambiguous (all info commands)
37 # "p \"break1" unambiguous (completes to filename "break1.c")
38 # "p \"break1." unambiguous (should complete to "break1.c" but does not,
39 # due to readline limitations)
40 # "p 'arg" ambiguous (all symbols starting with arg)
41 # "p b-arg" ambiguous (all symbols starting with arg)
42 # "p b-" ambiguous (all symbols)
43 # "file Make" "file" (word break hard to screw up here)
44 # "file ../gdb.stabs/we" "ird" (needs to not break word at slash)
50 # test running programs
53 standard_testfile break.c break1.c
55 if [get_compiler_info] {
59 if {[prepare_for_testing $testfile.exp $testfile \
60 [list $srcfile $srcfile2] {debug nowarnings}]} {
61 untested $testfile.exp
65 if ![runto_main] then {
66 perror "tests suppressed"
71 gdb_test_no_output "complete print values\[0\].x." \
72 "field completion with invalid field"
74 # If there is a non-deprecated completion, it should be returned.
75 gdb_test "complete sav" "save" "test non-deprecated completion"
76 # If there is only a deprecated completion, then it should be returned.
77 gdb_test "complete save-t" "save-tracepoints" "test deprecated completion"
81 # Tag name completion.
84 gdb_test "complete ptype struct some_" "ptype struct some_struct"
85 gdb_test "complete ptype enum some_" "ptype enum some_enum"
86 gdb_test "complete ptype union some_" "ptype union some_union"
89 gdb_test "complete set gnutarget aut" "set gnutarget auto"
92 gdb_test "complete set cp-abi aut" "set cp-abi auto"
94 # Test that completion of commands 'target FOO' works well.
95 set targets [list "core" "tfile" "exec"]
97 # Test that completion of command 'target ctf' if GDB supports ctf
99 gdb_test_multiple "target ctf" "" {
100 -re "Undefined target command: \"ctf\"\. Try \"help target\"\.\r\n$gdb_prompt $" {
102 -re "No CTF directory specified.*\r\n$gdb_prompt $" {
103 lappend targets "ctf"
107 # Test artifacts are put in different locations depending on test
108 # is a parallel run or not. Firstly check file exists, and then
109 # do the test on file completion.
111 foreach dir1 [ list "./gdb.base" "./outputs/gdb.base/completion" ] {
112 if { [remote_file host exists ${dir1}/completion]
113 && [remote_file host exists ${dir1}/completion0.o]
114 && [remote_file host exists ${dir1}/completion1.o] } {
115 foreach target_name ${targets} {
116 gdb_test "complete target ${target_name} ${dir1}/completion" \
117 "target ${target_name} ${dir1}/completion.*${dir1}/completion0\\.o.*${dir1}/completion1\\.o.*" \
118 "complete target ${target_name}"
125 # "set foo unlimited" completion.
128 # A var_uinteger command.
129 gdb_test "complete set height " "set height unlimited"
130 gdb_test "complete set height u" "set height unlimited"
132 # A var_integer command.
133 gdb_test "complete set listsize " "set listsize unlimited"
134 gdb_test "complete set listsize unl" "set listsize unlimited"
136 # A var_zuinteger_unlimited command.
137 gdb_test "complete set trace-buffer-size " "set trace-buffer-size unlimited"
138 gdb_test "complete set trace-buffer-size unl" "set trace-buffer-size unlimited"
140 # Tests below are about tab-completion, which doesn't work if readline
141 # library isn't used. Check it first.
143 if { ![readline_is_used] } {
147 set test "complete 'hfgfh'"
149 gdb_test_multiple "" "$test" {
150 -re "^hfgfh\\\x07$" {
152 gdb_test_multiple "" $test {
153 -re "Undefined command: \"hfgfh\"\\. Try \"help\"\\..*$gdb_prompt $" {
162 set test "complete 'show output'"
163 send_gdb "show output\t"
164 gdb_test_multiple "" "$test" {
165 -re "^show output-radix $" {
167 gdb_test_multiple "" "$test" {
168 -re "Default output radix for printing of values is 10\\..*$gdb_prompt $" {
175 set test "complete 'show output-'"
176 send_gdb "show output-\t"
177 gdb_test_multiple "" "$test" {
178 -re "^show output-radix $" {
180 gdb_test_multiple "" "$test" {
181 -re "Default output radix for printing of values is 10\\..*$gdb_prompt $" {
188 set test "complete 'p'"
190 gdb_test_multiple "" "$test" {
193 gdb_test_multiple "" "$test" {
194 -re "The history is empty\\..*$gdb_prompt $" {
201 set test "complete 'p '"
203 gdb_test_multiple "" "$test" {
206 gdb_test_multiple "" "$test" {
207 -re "The history is empty\\..*$gdb_prompt $" {
214 set test "complete 'info t foo'"
215 send_gdb "info t foo\t"
216 gdb_test_multiple "" "$test" {
217 -re "^info t foo\\\x07$" {
219 gdb_test_multiple "" "$test" {
220 -re "Ambiguous info command \"t foo\": target, tasks, terminal, threads, tp, tracepoints, tvariables, (type-printers, )?types\\..*$gdb_prompt $" {
227 set test "complete 'info t'"
229 gdb_test_multiple "" "$test" {
230 -re "^info t\\\x07$" {
232 gdb_test_multiple "" "$test" {
233 -re "Ambiguous info command \"t\": target, tasks, terminal, threads, tp, tracepoints, tvariables, (type-printers, )?types\\..*$gdb_prompt $" {
240 set test "complete 'info t '"
242 gdb_test_multiple "" "$test" {
243 -re "^info t \\\x07$" {
245 gdb_test_multiple "" "$test" {
246 -re "Ambiguous info command \"t \": target, tasks, terminal, threads, tp, tracepoints, tvariables, (type-printers, )?types\\..*$gdb_prompt $" {
253 set test "complete 'info asdfgh'"
254 send_gdb "info asdfgh\t"
255 gdb_test_multiple "" "$test" {
256 -re "^info asdfgh\\\x07$" {
258 gdb_test_multiple "" "$test" {
259 -re "Undefined info command: \"asdfgh\". Try \"help info\"\\..*$gdb_prompt $" {
266 set test "complete 'info asdfgh '"
267 send_gdb "info asdfgh \t"
268 gdb_test_multiple "" "$test" {
269 -re "^info asdfgh \\\x07$" {
271 gdb_test_multiple "" "$test" {
272 -re "Undefined info command: \"asdfgh \". Try \"help info\"\\..*$gdb_prompt $" {
279 set test "complete 'info'"
281 gdb_test_multiple "" "$test" {
284 gdb_test_multiple "" "$test" {
285 -re "\"info\" must be followed by the name of an info command\\.\r\nList of info subcommands.*$gdb_prompt $" {
292 set test "complete 'info '"
294 gdb_test_multiple "" "$test" {
295 -re "^info \\\x07$" {
297 gdb_test_multiple "" "$test" {
298 -re "\"info\" must be followed by the name of an info command\\.\r\nList of info subcommands:\r\n\r\n.*$gdb_prompt $" {
305 set test "complete (2) 'info '"
307 gdb_test_multiple "" "$test" {
308 -re "^info \\\x07$" {
310 gdb_test_multiple "" "$test" {
311 -re "address.*types.*$gdb_prompt " {
313 gdb_test_multiple "" "$test" {
314 -re "\"info\".*unambiguous\\..*$gdb_prompt $" {
323 set test "complete 'help info wat'"
324 send_gdb "help info wat\t"
325 gdb_test_multiple "" "$test" {
326 -re "^help info watchpoints $" {
328 gdb_test_multiple "" "$test" {
329 -re "Status of specified watchpoints.*\r\n.*$gdb_prompt $" {
334 -re "^help info wat\\\x07$" {
339 set test "complete 'p \"break1'"
340 send_gdb "p \"break1\t"
341 gdb_test_multiple "" "$test" {
342 -re "^p \"break1\\\x07$" {
344 gdb_test_multiple "" "$test" {}
346 -re "^p \"break1\\.c\"$" {
348 gdb_test_multiple "" "$test" {
349 -re "$gdb_prompt $" {
357 set test "complete 'p \"break1.'"
358 send_gdb "p \"break1.\t"
359 gdb_test_multiple "" "$test" {
360 -re "^p \"break1\\.\\\x07$" {
362 gdb_test_multiple "" "$test" {}
364 -re "^p \"break1\\.c\"$" {
366 gdb_test_multiple "" "$test" {
367 -re "$gdb_prompt $" {
372 -re "^p \"break1\\..*$" {
374 gdb_test_multiple "" "$test" {}
378 set test "complete 'p 'arg'"
380 gdb_test_multiple "" "$test" {
381 -re "^p 'arg\\\x07$" {
383 gdb_test_multiple "" "$test" {
384 -re "(Invalid character constant\\.|Unmatched single quote\\.).*$gdb_prompt $" {
391 set test "complete (2) 'p 'arg'"
393 gdb_test_multiple "" "$test" {
394 -re "^p 'arg\\\x07$" {
396 gdb_test_multiple "" "$test" {
397 -re "argv.*$gdb_prompt " {
399 gdb_test_multiple "" "$test" {
400 -re "(Invalid character constant\\.|Unmatched single quote\\.).*$gdb_prompt $" {
405 -re "(There are $decimal possibilities\\. Do you really\r\nwish to see them all.|Display all $decimal possibilities.) \\(y or n\\)$" {
407 gdb_test_multiple "" "$test" {
408 -re "\\(gdb\\) p 'arg$" {
410 gdb_test_multiple "" "$test" {
411 -re "(Invalid character constant\\.|Unmatched single quote\\.).*$gdb_prompt $" {
422 set test "complete 'handle signal'"
423 send_gdb "handle sigq\t"
424 gdb_test_multiple "" "$test" {
425 -re "^handle sigq
\b\b\b\bSIGQUIT $" {
427 gdb_test_multiple "" "$test" {
428 -re "SIGQUIT.*Quit.*$gdb_prompt $" {
435 set test "complete 'handle keyword'"
436 send_gdb "handle nos\t"
437 gdb_test_multiple "" "$test" {
438 -re "^handle nostop $" {
440 gdb_test_multiple "" "$test" {
441 -re "$gdb_prompt $" {
448 set test "complete help aliases"
449 send_gdb "help user-define\t"
450 gdb_test_multiple "" "$test" {
451 -re "^help user-defined $" {
453 gdb_test_multiple "" "$test" {
454 -re "$gdb_prompt $" {
462 # These tests used to try completing the shorter "p b-a".
463 # Unfortunately, on some systems, there are .o files in system
464 # libraries which declare static variables named `b'. Of course,
465 # those variables aren't really in scope, as far as the compiler is
466 # concerned. But GDB deliberately tries to be more liberal: if you
467 # enter an identifier that doesn't have any binding in scope, GDB will
468 # search all the program's compilation units for a static variable of
471 # This behavior can help avoid a lot of pedantry, so it's usually a
472 # good thing. But in this test case, it causes GDB to print the value
473 # of some random variable, instead of giving us the "No symbol..."
474 # error we were expecting.
476 # For example, on S/390 linux, the file s_atan.c in libm.a declares a
477 # `b', which is a structure containing an int and a float, so GDB says
478 # ``Argument to arithmetic operation not a number or boolean'' instead
479 # of ``No symbol ...''.
481 # So, I'm hoping that there is no system with a static library variable named
482 # `no_var_by_this_name'.
484 set test "complete 'p no_var_named_this-arg'"
485 send_gdb "p no_var_named_this-arg\t"
486 gdb_test_multiple "" "$test" {
487 -re "^p no_var_named_this-arg\\\x07$" {
489 gdb_test_multiple "" "$test" {
490 -re "No symbol \"no_var_named_this\" in current context\\..*$gdb_prompt $" {
497 set test "complete (2) 'p no_var_named_this-arg'"
498 send_gdb "p no_var_named_this-arg\t"
499 gdb_test_multiple "" "$test" {
500 -re "^p no_var_named_this-arg\\\x07$" {
502 gdb_test_multiple "" "$test" {
503 -re "argv.*$gdb_prompt " {
505 gdb_test_multiple "" "$test" {
506 -re "No symbol \"no_var_named_this\" in current context\\..*$gdb_prompt $" {
511 -re "(There are $decimal possibilities\\. Do you really\r\nwish to see them all.|Display all $decimal possibilities.) \\(y or n\\)$" {
517 pass "$test (eat prompt)"
520 fail "(timeout) $test (eat prompt)"
524 gdb_test_multiple "" "$test" {
525 -re "No symbol \"no_var_named_this\" in current context\\..*$gdb_prompt $" {
534 set test "complete (2) 'p no_var_named_this-'"
535 send_gdb "p no_var_named_this-\t"
536 gdb_test_multiple "" "$test" {
537 -re "^p no_var_named_this-\\\x07$" {
539 gdb_test_multiple "" "$test" {
540 -re "(There are $decimal possibilities\\. Do you really\r\nwish to see them all.|Display all $decimal possibilities.) \\(y or n\\)$" {
546 pass "$test (eat prompt)"
549 fail "(timeout) $test (eat prompt)"
553 gdb_test_multiple "" "$test" {
554 -re "No symbol \"no_var_named_this\" in current context\\..*$gdb_prompt $" {
559 -re "argv.*$gdb_prompt $" {
561 gdb_test_multiple "" "$test" {
562 -re "No symbol \"no_var_named_this\" in current context\\..*$gdb_prompt $" {
571 set test "complete 'p values\[0\].a'"
572 send_gdb "p values\[0\].a\t"
573 gdb_test_multiple "" "$test" {
574 -re "^p values.0..a_field $" {
576 gdb_test_multiple "" "$test" {
577 -re " = 0.*$gdb_prompt $" {
584 set test "complete 'p values\[0\] . a'"
585 send_gdb "p values\[0\] . a\t"
586 gdb_test_multiple "" "$test" {
587 -re "^p values.0. . a_field $" {
589 gdb_test_multiple "" "$test" {
590 -re " = 0.*$gdb_prompt $" {
597 set test "complete 'p &values\[0\] -> a'"
598 send_gdb "p &values\[0\] -> a\t"
599 gdb_test_multiple "" "$test" {
600 -re "^p &values.0. -> a_field $" {
602 gdb_test_multiple "" "$test" {
603 -re " = .*0x\[0-9a-fA-F\]*.*$gdb_prompt $" {
610 gdb_test "complete p &values\[0\]->z" \
611 "p &values.0.->z_field" \
612 "completion of field in anonymous union"
614 gdb_test "complete ptype &values\[0\]->z" \
615 "ptype &values.0.->z_field" \
616 "ptype completion of field in anonymous union"
618 gdb_test "complete whatis &values\[0\]->z" \
619 "whatis &values.0.->z_field" \
620 "whatis completion of field in anonymous union"
622 # The following tests used to simply try to complete `${objdir}/file',
623 # and so on. The problem is that ${objdir} can be very long; the
624 # completed filename may be more than eighty characters wide. When
625 # this happens, readline tries to manage things, producing output that
626 # may make sense on the screen, but is rather hard for our script to
629 # In the case that motivated this change, the (gdb) prompt occupied
630 # the leftmost six columns, and `${objdir}/' was seventy-four
631 # characters long --- eighty in all. After printing the slash,
632 # readline emitted a space, a carriage return, and then `Makefile'
633 # (the tab character being received as input after `Make'.
635 # Basically, you have to let readline do whatever it's going to do to
636 # make the screen look right. If it happens to use a different
637 # strategy on Tuesdays to get the cursor in the right place, that's
638 # not something the testsuite should care about.
640 # So, we avoid long lines. We `cd' to ${objdir} first, and then do
641 # the completion relative to the current directory.
643 # ${srcdir} may be a relative path. We want to make sure we end up
644 # in the right directory - so make sure we know where it is.
650 # If the directory name contains a '+' we must escape it, adding a backslash.
651 # If not, the test below will fail because it will interpret the '+' as a
652 # regexp operator. We use string_to_regexp for this purpose.
654 gdb_test "cd ${fullsrcdir}" \
655 "Working directory [string_to_regexp ${fullsrcdir}].*" \
659 # GDB used to fail adding / on directories, on the first try only.
660 set uniquedir ../testsuite/gdb.base/comp-dir
661 set escapeduniquedir [string_to_regexp ${uniquedir}]
663 set uniquesub ${uniquesu}r
664 set escapeuniquesub [string_to_regexp ${uniquesub}]
665 send_gdb "dir ${uniquedir}\t"
667 -re "${escapeduniquedir}/" {
668 pass "directory completion"
669 send_gdb "${uniquesu}\t"
671 -re "${escapeduniquedir} $" {
672 fail "directory completion (old gdb bug)"
673 send_gdb "\b/${uniquesu}\t"
676 fail "directory completion (timeout)"
677 send_gdb "\ndir ${uniquedir}/${uniquesu}\t"
682 -re "${escapeuniquesub}/$" {
683 pass "directory completion 2"
686 fail "directory completion 2"
690 # Empty COMMAND sends no newline while " " sends the newline we need.
691 gdb_test " " "Source directories searched: .*" "Glob remaining of directory test"
693 gdb_test "complete file ./gdb.base/compl" \
694 "file ./gdb.base/completion\\.exp.*" \
695 "complete-command 'file ./gdb.base/compl'"
697 set test "complete 'file ./gdb.base/complet'"
698 send_gdb "file ./gdb.base/complet\t"
699 gdb_test_multiple "" "$test" {
700 -re "^file ./gdb.base/completion\\.exp $" {
702 # Ignore the exact error message.
703 gdb_test_multiple "" "complete 'file ./gdb.base/complet'" {
704 -re "\r\nA program is being debugged already\\.\[\r\n\]+Are you sure you want to change the file\\? \\(y or n\\) $" {
708 -re "$gdb_prompt $" {
715 set test "complete 'info func marke'"
716 send_gdb "info func marke\t"
717 gdb_test_multiple "" "$test" {
718 -re "^info func marke.*r$" {
720 gdb_test_multiple "" "$test" {
721 -re "marker1.*$gdb_prompt " {
723 gdb_test_multiple "" "$test" {
724 -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 $" {
734 set test "complete 'set follow-fork-mode'"
735 send_gdb "set follow-fork-mode \t\t"
736 gdb_test_multiple "" "$test" {
737 -re "child.*parent.*$gdb_prompt " {
739 gdb_test_multiple "" "$test" {
740 -re "Requires an argument.*child.*parent.*$gdb_prompt $" {
743 -re "Ambiguous item \"\"\\..*$gdb_prompt $" {