[patch] gdb/testsuite: Adjust command completion output when TUI is disabled

[Andrew Burgess]

* Sandra Loosemore <sandra@codesourcery.com> [2020-06-23 00:27:45 -0600]:

> This is another almost-obvious testsuite fix, for one of the
> command-completion tests that was failing due to an incorrect assumption
> that TUI commands are always present.  OK to commit, or is this just a
> poorly-designed testcase that we should rewrite some other way instead?
> 
> -Sandra

> commit 8e0cc2870a30390e745110d4c8181f010d09c17f
> Author: Sandra Loosemore <sandra@codesourcery.com>
> Date:   Mon Jun 22 23:01:19 2020 -0700
> 
>     Adjust command completion output when TUI is disabled
>     
>     The history-scrolling commands "+", "-", "<" and ">" are only known to
>     GDB when TUI is enabled.  This means the "complete pipe " command
>     produces different output depending on whether TUI is present, which
>     in turn caused
>     
>     FAIL: gdb.base/shell.exp: cmd complete "pipe "
>     
>     This patch provides different patterns for that test depending on
>     whether or not TUI is available.
>     
>     2020-06-23  Sandra Loosemore  <sandra@codesourcery.com>
>     
>     	gdb/testsuite/
>     	* lib/completion-support.exp (test_gdb_completion_offers_commands):
>     	Adjust for omitted commands when TUI is disabled.

LGTM.

Thanks,
Andrew


> 
> diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
> index d6c43e6..38f2188 100644
> --- a/gdb/testsuite/ChangeLog
> +++ b/gdb/testsuite/ChangeLog
> @@ -1,3 +1,8 @@
> +2020-06-23  Sandra Loosemore  <sandra@codesourcery.com>
> +
> +	* lib/completion-support.exp (test_gdb_completion_offers_commands):
> +	Adjust for omitted commands when TUI is disabled.
> +
>  2020-06-22  Philippe Waroquiers  <philippe.waroquiers@skynet.be>
>  
>  	* gdb.base/default-args.exp: New test.
> diff --git a/gdb/testsuite/lib/completion-support.exp b/gdb/testsuite/lib/completion-support.exp
> index 18eac82..51436cc 100644
> --- a/gdb/testsuite/lib/completion-support.exp
> +++ b/gdb/testsuite/lib/completion-support.exp
> @@ -555,10 +555,19 @@ proc test_gdb_completion_offers_commands {input_line} {
>      # Force showing two commands.
>      gdb_test_no_output "set max-completions 2" ""
>  
> -    test_gdb_complete_multiple $input_line "" "" {
> -	"!"
> -	"+"
> -    } "" "" 1
> +    # TUI adds additional commands to the possible completions, so we
> +    # need different patterns depending on whether or not it is enabled.
> +    if { [skip_tui_tests] } {
> +	test_gdb_complete_multiple $input_line "" "" {
> +	    "!"
> +	    "actions"
> +	} "" "" 1
> +    } else {
> +	test_gdb_complete_multiple $input_line "" "" {
> +	    "!"
> +	    "+"
> +	} "" "" 1
> +    }
>  
>      # Restore.
>      gdb_test_no_output "set max-completions $max_completions" ""