On Mon, Jun 11, 2018 at 04:00:39PM -0600, Jeff Law wrote:
> On 05/30/2018 04:41 AM, Tom de Vries wrote:
> > Hi,
> > 
> > this patch tests the error behaviour of dg-final directives when called 
> > with an
> > incorrect number of arguments.
> > 
> > The test is lazy, in that it doesn't bother to pass correct arguments, 
> > assuming
> > that the number of arguments check is done before checking the actual 
> > arguments.
> > 
> > Using the patch, I managed to find a few things that needed to be fixed:
> > - [testsuite] Fix error message in scan-hidden/scan-not-hidden
> >   https://gcc.gnu.org/ml/gcc-patches/2018-05/msg01599.html
> > - [testsuite] Use correct proc names in scanasm.exp
> >   https://gcc.gnu.org/ml/gcc-patches/2018-05/msg01600.html
> > - [testsuite] Fix "too few/many" error messages in scan-*-times procs
> >   https://gcc.gnu.org/ml/gcc-patches/2018-05/msg01601.html
> > 
> > Ok for trunk?

> > Add gcc.dg-selftests/dg-final.exp
> > 
> > 2018-05-30  Tom de Vries  <t...@codesourcery.com>
> > 
> >     * gcc.dg-selftests/dg-final.exp: New file.

> OK.

Hi,

I've added two changes before commit.

I've made the PASS/FAIL id minimal (removed the actual args part), which makes
it easier to read:
...
PASS: scan-tree-dump: too many arguments
PASS: scan-tree-dump: too few arguments
PASS: scan-tree-dump-times: too many arguments
PASS: scan-tree-dump-times: too few arguments
...

And I've move the test into a dedicated function
dg_final_directive_check_num_args.

Committed as attached.

Thanks,
- Tom

[testsuite] Add gcc.dg-selftests/dg-final.exp

2018-05-30  Tom de Vries  <tdevr...@suse.de>

        * gcc.dg-selftests/dg-final.exp: New file.

---
 gcc/testsuite/gcc.dg-selftests/dg-final.exp | 101 ++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)

diff --git a/gcc/testsuite/gcc.dg-selftests/dg-final.exp 
b/gcc/testsuite/gcc.dg-selftests/dg-final.exp
new file mode 100644
index 00000000000..6aa0f64db87
--- /dev/null
+++ b/gcc/testsuite/gcc.dg-selftests/dg-final.exp
@@ -0,0 +1,101 @@
+#   Copyright (C) 2018 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 GCC; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+# Tests that test dejagnu extensions used in gcc testing
+
+load_lib "scantree.exp"
+load_lib "scanrtl.exp"
+load_lib "scanipa.exp"
+load_lib "scanlang.exp"
+load_lib "lto.exp"
+load_lib "scanasm.exp"
+load_lib "scanwpaipa.exp"
+load_lib "scanltranstree.exp"
+load_lib "scanoffloadtree.exp"
+
+proc dg_final_directive_check_num_args {} {
+    proc verify_call { args } {
+       set call_name [lindex $args 0]
+       set call_args [lindex $args 1]
+       set expected_error [lindex $args 2]
+
+       set errMsg ""
+       catch {
+           eval $call_name $call_args
+       } errMsg
+
+       if { "$errMsg" != "$call_name: $expected_error" } {
+           send_log "For call $call_name $call_args\n"
+           send_log "expected: $call_name: $expected_error\n"
+           send_log "but got: $errMsg\n"
+           fail "$call_name: $expected_error"
+           return
+       } else {
+           pass "$call_name: $expected_error"  
+       }
+    }
+
+    proc verify_args { args } {
+       set proc_name [lindex $args 0]
+       set min [lindex $args 1]
+       set max [lindex $args 2]
+       set too_many [list]
+       set too_few [list]
+       for {set i 0} {$i < $min - 1}  {incr i} {
+           lappend too_few $i
+       }
+       for {set i 0} {$i < $max + 1}  {incr i} {
+           lappend too_many $i
+       }
+       verify_call $proc_name $too_many "too many arguments"
+       verify_call $proc_name $too_few "too few arguments"
+    }
+
+    foreach kind [list "tree" "rtl" "ipa" "ltrans-tree" "wpa-ipa" 
"offload-tree"] {
+       verify_args scan-$kind-dump 2 3
+       verify_args scan-$kind-dump-times 3 4
+       verify_args scan-$kind-dump-not 2 3
+       verify_args scan-$kind-dump-dem 2 3
+       verify_args scan-$kind-dump-dem-not 2 3
+    }
+
+    verify_args scan-lang-dump 2 3
+
+    verify_args object-readelf 2 3
+
+    verify_args scan-assembler-times 2 3
+    verify_args scan-assembler-dem 1 2
+    verify_args scan-assembler-dem-not 1 2
+
+    verify_args object-size 3 4
+
+    global testname_with_flags
+    set testname_with_flags "test.c"
+    verify_args scan-assembler 1 2
+    verify_args scan-assembler-not 1 2
+    verify_args scan-hidden 1 2
+    verify_args scan-not-hidden 1 2
+    verify_args scan-file 2 3
+    verify_args scan-file-not 2 3
+    verify_args scan-stack-usage 1 2
+    verify_args scan-stack-usage-not 1 2
+    verify_args scan-ada-spec 1 2
+    verify_args scan-ada-spec-not 1 2
+    verify_args scan-lto-assembler 1 2
+    unset testname_with_flags
+}
+
+dg_final_directive_check_num_args

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