Re: [PATCH v3 03/17] Add tests for catching groups of syscalls on supported architectures.

[Sergio Durigan Junior <sergiodj@redhat.com>]

On Saturday, April 25 2015, Gabriel Krisman Bertazi wrote:

> gdb/testsuite/
>
> 	* gdb.base/catch-syscall.exp (do_syscall_tests): Add call
> 	to test_catch_syscall_group.
> 	(test_catch_syscall_group): New.

Hey,

Thanks for this third version.  I think we're almost there :-).

> ---
>  gdb/testsuite/gdb.base/catch-syscall.exp | 37 ++++++++++++++++++++++++++++++++
>  1 file changed, 37 insertions(+)
>
> diff --git a/gdb/testsuite/gdb.base/catch-syscall.exp b/gdb/testsuite/gdb.base/catch-syscall.exp
> index df0004a..c65c8e3 100644
> --- a/gdb/testsuite/gdb.base/catch-syscall.exp
> +++ b/gdb/testsuite/gdb.base/catch-syscall.exp
> @@ -269,6 +269,40 @@ proc test_catch_syscall_fail_nodatadir {} {
>      }
>  }
>  
> +proc test_catch_syscall_group {} {
> +    global decimal
> +
> +    set sysnum "\\\[${decimal}\\\]"
> +
> +    gdb_test "catch syscall g:process" \
> +	"Catchpoint $decimal \\(syscalls (\'(clone|fork|execve|exit)\' $sysnum)+.*" \
> +	"set catchpoint on a group of syscalls"
> +
> +    gdb_test "catch syscall group:process read" \
> +	"Catchpoint $decimal \\(syscalls (\'(clone|fork|execve|exit)\' $sysnum)+.*read.*\\)" \
> +	"set catchpoints on a group of syscalls and on a single syscall"
> +
> +    gdb_test "catch syscall group:" \
> +	"Unknown syscall group.*" \
> +	"set catchpoints on an invalid group"

You should use a full-anchored regex here.  You know exactly what to
expect from the command, so match it literally.

> +
> +    gdb_test "catch syscall g:junk" \
> +	"Unknown syscall group.*" \
> +	"set catchpoints on an unknown group."

Same here.

> +
> +    gdb_test "complete catch syscall g:proc" \
> +	"catch syscall g:process" \
> +	"complete catch syscall group with 'g:' prefix"
> +
> +    gdb_test "complete catch syscall group:proc" \
> +	"catch syscall group:process" \
> +	"complete catch syscall group with 'group:' prefix"
> +
> +    gdb_test "complete catch syscall g" \
> +	".*group:process.*" \
> +	"complete catch syscall group suggests 'group:' prefix"

What you can do here, assuming that all targets have the same groups, is
to use gdb_test_sequence and match all the "catch syscall group:XYZ"
entries.  Maybe that is too strict (it assumes that future targets will
also have to implement the exact same groups), but I think it is OK
doing that now and adjusting this in the future if we need.

> +}
> +
>  proc do_syscall_tests {} {
>      # NOTE: We don't have to point gdb at the correct data-directory.
>      # For the build tree that is handled by INTERNAL_GDBFLAGS.
> @@ -309,6 +343,9 @@ proc do_syscall_tests {} {
>      # Testing if the 'catch syscall' command works when switching to
>      # different architectures on-the-fly (PR gdb/10737).
>      if [runto_main] then { test_catch_syscall_multi_arch }
> +
> +    # Testing the 'catch' syscall command for a group of syscalls.
> +    if [runto_main] then { test_catch_syscall_group }
>  }
>  
>  proc test_catch_syscall_without_args_noxml {} {
> -- 
> 1.9.3

Other than that, this part is OK, but I am not a global maintainer to
approve.

-- 
Sergio
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