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Re: [PATCH 1/2] testsuite: Introduce dejagnu_version
- From: Pedro Alves <palves at redhat dot com>
- To: Simon Marchi <simon dot marchi at ericsson dot com>, gdb-patches at sourceware dot org
- Date: Mon, 13 Mar 2017 21:54:48 +0000
- Subject: Re: [PATCH 1/2] testsuite: Introduce dejagnu_version
- Authentication-results: sourceware.org; auth=none
- References: <20170313212749.9607-1-simon.marchi@ericsson.com>
OK.
Thanks,
Pedro Alves
On 03/13/2017 09:27 PM, Simon Marchi wrote:
> The next patch will require checking the DejaGnu version. There is
> already a test that does this,
> gdb.threads/attach-many-short-lived-threads.exp. This patch introduces
> a new procedure, dejagnu_version, and makes that test use it.
>
> The version number is "right-padded" with zeroes, to make sure that we
> always return a triplet (major, minor, patch).
>
> The procedure does not consider the DejaGnu versions from git. For
> example, if you used DejaGnu from its current master branch, the version
> would be "1.6.1-git", meaning that 1.6.1 will be the next release. I
> figured we'll cross that bridge when (and if) we get there.
>
> gdb/testsuite/ChangeLog:
>
> * lib/gdb.exp (dejagnu_version): New proc.
> * gdb.threads/attach-many-short-lived-threads.exp (bad_dejagnu):
> Use dejagnu_version.
> ---
> .../attach-many-short-lived-threads.exp | 8 +------
> gdb/testsuite/lib/gdb.exp | 26 ++++++++++++++++++++++
> 2 files changed, 27 insertions(+), 7 deletions(-)
>
> diff --git a/gdb/testsuite/gdb.threads/attach-many-short-lived-threads.exp b/gdb/testsuite/gdb.threads/attach-many-short-lived-threads.exp
> index cd752ca496..edc96132e3 100644
> --- a/gdb/testsuite/gdb.threads/attach-many-short-lived-threads.exp
> +++ b/gdb/testsuite/gdb.threads/attach-many-short-lived-threads.exp
> @@ -24,13 +24,7 @@
> # Return true if the running version of DejaGnu is known to not be
> # able to run this test.
> proc bad_dejagnu {} {
> - global frame_version
> -
> - verbose -log "DejaGnu version: $frame_version"
> - verbose -log "Expect version: [exp_version]"
> - verbose -log "Tcl version: [info tclversion]"
> -
> - set dj_ver [split $frame_version .]
> + set dj_ver [dejagnu_version]
> set dj_ver_major [lindex $dj_ver 0]
> set dj_ver_minor [lindex $dj_ver 1]
>
> diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp
> index 188484f792..c773d41bae 100644
> --- a/gdb/testsuite/lib/gdb.exp
> +++ b/gdb/testsuite/lib/gdb.exp
> @@ -6023,6 +6023,32 @@ proc multi_line_input { args } {
> return [join $args "\n"]
> }
>
> +# Return the version of the DejaGnu framework.
> +#
> +# The return value is a list containing the major, minor and patch version
> +# numbers. If the version does not contain a minor or patch number, they will
> +# be set to 0. For example:
> +#
> +# 1.6 -> {1 6 0}
> +# 1.6.1 -> {1 6 1}
> +# 2 -> {2 0 0}
> +
> +proc dejagnu_version { } {
> + # The frame_version variable is defined by DejaGnu, in runtest.exp.
> + global frame_version
> +
> + verbose -log "DejaGnu version: $frame_version"
> + verbose -log "Expect version: [exp_version]"
> + verbose -log "Tcl version: [info tclversion]"
> +
> + set dg_ver [split $frame_version .]
> +
> + while { [llength $dg_ver] < 3 } {
> + lappend dg_ver 0
> + }
> +
> + return $dg_ver
> +}
>
> # Always load compatibility stuff.
> load_lib future.exp
>