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Re: tests for --help
- From: Rafael Espindola <espindola at google dot com>
- To: Ralf Wildenhues <Ralf dot Wildenhues at gmx dot de>, Ben Elliston <bje at au1 dot ibm dot com>, gcc-patches at gcc dot gnu dot org, Diego Novillo <dnovillo at google dot com>
- Date: Wed, 8 Apr 2009 13:37:46 +0100
- Subject: Re: tests for --help
- References: <20090301071014.GA6143@ins.uni-bonn.de> <1235944327.7891.63.camel@helios> <20090305212022.GF14854@ins.uni-bonn.de> <1236298485.1310.3.camel@helios> <20090306190019.GC16791@ins.uni-bonn.de> <20090401203554.GD20432@gmx.de>
May I proposed the attached patch instead? It is just a small
refactoring so that I can use it for testing plugins' support for
--help and --version.
2009-04-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Rafael Avila de Espindola <espindola@google.com>
* gcc.misc-tests/help.exp: New file.
* lib/options.exp: New file.
Thanks,
--
Rafael Avila de Espindola
Google | Gordon House | Barrow Street | Dublin 4 | Ireland
Registered in Dublin, Ireland | Registration Number: 368047
diff --git a/gcc/testsuite/gcc.misc-tests/help.exp b/gcc/testsuite/gcc.misc-tests/help.exp
new file mode 100644
index 0000000..b686d28
--- /dev/null
+++ b/gcc/testsuite/gcc.misc-tests/help.exp
@@ -0,0 +1,74 @@
+# Copyright (C) 2005, 2007, 2009 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/>.
+
+load_lib options.exp
+
+# Document --version. No undocumented switches in --help.
+check_for_options c {--help} {--version} {This switch lacks documentation} {}
+
+# No intermingled output; pick up help strings from duplicate option flags
+check_for_options c {-v --help} {} {
+[^\n]The following options
+-Wconversion[^\n]*lacks documentation
+" -g "
+} {}
+
+# There are still undocumented switches in -v --help.
+check_for_options c {-v --help} {} {This switch lacks documentation} {xfail}
+
+# Multiline conversion in optc-gen.
+check_for_options c {-v --help} {} {are likely to\n -std} {}
+
+# --help= classes and qualifiers.
+check_for_options c {--help=optimizers} {-O} { -g } {}
+check_for_options c {--help=params} {maximum number of} {-Wunsafe-loop-optimizations} {}
+check_for_options c {--help=C} {-ansi} {-gnatO} {}
+check_for_options c {--help=C++} {-std=c\+\+} {-gnatO} {}
+check_for_options c {--help=common} {-dumpbase} {-gnatO} {}
+check_for_options c {--help=undocumented} {This switch lacks documentation} {} {}
+
+# undocumented flags are not yet consistently marked as such.
+check_for_options c {--help=^undocumented} {-Wall} {This switch lacks documentation} {xfail}
+
+# Examples from the manual.
+check_for_options c {--help=target,undocumented} {} {} {}
+check_for_options c {--help=target,optimizers} {} {} {}
+check_for_options c {--help=warnings,^joined,^undocumented} {} {} {}
+check_for_options c {-Q -O2 --help=optimizers} {
+-O
+-ftree-vectorize[^\n]*disabled
+} { -g } {}
+check_for_options c {-Q -O3 --help=optimizers} {
+-O
+-ftree-vectorize[^\n]*enabled
+} { -g } {}
+# Repeated --help=
+check_for_options c {--help=params --help=optimizers} {
+maximum number of
+-O
+} {} {}
+
+# PR 37805
+check_for_options c {--help=joined} {Wformat=} {-fstrict-prototype} {}
+check_for_options c {--help=separate} {-MF} {-fstrict-prototype} {}
+check_for_options c {--help=warnings,joined} {Wformat=} {Wtrigraphs} {}
+check_for_options c {--help=warnings,^joined} {Wtrigraphs} {Wformat=} {}
+check_for_options c {--help=joined,separate} {-I} {} {}
+check_for_options c {--help=^joined,separate} {--param } {} {}
+check_for_options c {--help=joined,^separate} {--help=} {} {}
+check_for_options c {--help=joined,undocumented} {} {} {}
+# Listing only excludes gives empty results.
+check_for_options c {--help=^joined,^separate} {} {} {}
diff --git a/gcc/testsuite/lib/options.exp b/gcc/testsuite/lib/options.exp
new file mode 100644
index 0000000..ec07a68
--- /dev/null
+++ b/gcc/testsuite/lib/options.exp
@@ -0,0 +1,70 @@
+# Copyright (C) 2009 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/>.
+
+# We set LC_ALL and LANG to C so that we get the same error messages as expected.
+setenv LC_ALL C
+setenv LANG C
+
+# Run the LANGUAGE compiler with GCC_OPTIONS and inspect the compiler
+# output to make sure that they match the newline-separated patterns
+# in COMPILER_PATTERNS but not the patterns in COMPILER_NON_PATTERNS.
+# In case of failure, xfail if XFAIL is nonempty.
+
+proc check_for_options {language gcc_options compiler_patterns compiler_non_patterns xfail} {
+ set filename test-[pid]
+ set fd [open $filename.c w]
+ puts $fd "int main (void) \{ return 0; \}"
+ close $fd
+ remote_download host $filename.c
+
+ set test "compiler driver $gcc_options option(s):"
+ set gcc_options "\{additional_flags=$gcc_options\}"
+
+ switch "$language" {
+ "c" { set compiler cc1 }
+ default { error "unknown language" }
+ }
+ set gcc_output [gcc_target_compile $filename.c $filename.x executable $gcc_options]
+ remote_file build delete $filename.c $filename.x $filename.gcno
+
+ foreach pattern [split $compiler_patterns "\n"] {
+ if {$pattern ne ""} {
+ if {[regexp -- "$pattern" $gcc_output]} {
+ pass "$test $pattern"
+ } else {
+ if {$xfail ne ""} {
+ xfail "$test $pattern"
+ } else {
+ fail "$test $pattern"
+ }
+ }
+ }
+ }
+ foreach pattern [split $compiler_non_patterns "\n"] {
+ if {$pattern ne ""} {
+ if {![regexp -- "$pattern" $gcc_output]} {
+ pass "$test $pattern"
+ } else {
+ if {$xfail ne ""} {
+ xfail "$test $pattern"
+ } else {
+ fail "$test $pattern"
+ }
+ }
+ }
+ }
+ pass $test
+}