+++ /dev/null
-#! /bin/sh
-# Copyright (C) 2012 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 2, 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 this program. If not, see <http://www.gnu.org/licenses/>.
-
-# Check that the parallel-tests harness does not hit errors due to
-# an exceeded command line length when there are many tests.
-# For automake bug#7868. This test is currently expected to fail.
-
-. ./defs || exit 1
-
-cat >> configure.ac << 'END'
-AC_OUTPUT
-END
-
-cat > Makefile.am <<'END'
-# Sanity check that the $(TESTS) is going to exceed the system
-# command line length.
-# Extra quoting and indirections below are required to ensure the
-# various make implementations (e.g, GNU make or Sun Distributed Make)
-# will truly spawn a shell to execute this command, instead of relying
-# on optimizations that might mask the "Argument list too long" error
-# we expect.
-this-will-fail:
- @":" && ":" $(TEST_LOGS)
-TEST_LOG_COMPILER = true
-include list-of-tests.am
-# So that we won't have to create a ton of dummy test cases.
-$(TESTS):
-END
-
-# The real instance will be dynamically created later.
-echo TESTS = foo.test > list-of-tests.am
-
-$ACLOCAL && $AUTOCONF && $AUTOMAKE -a \
- || framework_failure_ "unexpected autotools failure"
-./configure \
- || framework_failure_ "unexpected configure failure"
-
-# We want to hit the system command-line length limit without hitting
-# the filename length limit or the PATHMAX limit; so we use longish
-# (but not too long) names for the testcase, and place them in a nested
-# (but not too deeply) directory.
-# We also prefer to use the minimal(ish) number of test cases that can
-# make us hit the command-line length limit, since the more the test
-# cases are, the more time "automake" and "make check" will take to run
-# (especially on Cygwin and MinGW/MSYS).
-
-tname="wow-this-is-a-very-long-name-for-a-simple-dummy-test-case"
-dname="and-this-too-is-a-very-long-name-for-a-dummy-directory"
-
-deepdir=.
-depth=0
-for i in 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 29 21 22 23 24; do
- new_deepdir=$deepdir/$dname.d$i
- mkdir $new_deepdir || break
- tmpfile=$new_deepdir/$tname-some-more-chars-for-good-measure
- if touch $tmpfile; then
- rm -f $tmpfile || exit 99
- else
- rmdir $new_deepdir || exit 99
- fi
- deepdir=$new_deepdir
- unset tmpfile new_deepdir
- depth=$i
-done
-
-cat <<END
-*********************************************************************
-Our tests will be in the following directory (depth = $depth)
-*********************************************************************
-$deepdir
-*********************************************************************
-END
-
-setup_data ()
-{
- # Use perl, not awk, to avoid errors like "awk: string too long"
- # (seen e.g. with Solaris 10 /usr/bin/awk).
- count=$count deepdir=$deepdir tname=$tname $PERL -e '
- use warnings FATAL => "all";
- use strict;
- print "TESTS = \\\n";
- my $i = 0;
- while (++$i)
- {
- print " $ENV{deepdir}/$ENV{tname}-$i.test";
- if ($i >= $ENV{count})
- {
- print "\n";
- last;
- }
- else
- {
- print " \\\n";
- }
- }
- ' > list-of-tests.am || exit 99
- sed 20q list-of-tests.am || exit 99 # For debugging.
- $AUTOMAKE Makefile \
- || framework_failure_ "unexpected automake failure"
- ./config.status Makefile \
- || framework_failure_ "unexpected config.status failure"
-}
-
-for count in 1 2 4 8 12 16 20 24 28 32 48 64 96 128 E_HUGE; do
- test $count = E_HUGE && break
- count=$(($count * 100))
- setup_data
- if $MAKE this-will-fail; then
- continue
- else
- # We have managed to find a number of test cases large enough to
- # hit the system command-line limits; we can stop. But first, for
- # good measure, increase the number of tests of some 20%, to be
- # "even more sure" of really tickling command line length limits.
- count=$(($count * 12))
- count=$(($count / 10))
- setup_data
- break
- fi
-done
-
-if test $count = E_HUGE; then
- framework_failure_ "system has a too-high limit on command line length"
-else
- cat <<END
-*********************************************************************
- Number of tests we will use: $count
-*********************************************************************
-END
-fi
-
-env TESTS=$deepdir/$tname-1.test $MAKE -e check \
- && test -f $deepdir/$tname-1.log \
- || framework_failure_ "\"make check\" with one single tests"
-
-rm -f $deepdir/* || exit 99
-
-$MAKE check > stdout || { cat stdout; exit 1; }
-cat stdout
-
-grep "^# TOTAL: $count$" stdout
-grep "^# PASS: $count$" stdout
-
-grep "^PASS: .*$tname-[0-9][0-9]*\.test" stdout > grp
-ls -1 $deepdir | grep '\.log$' > lst
-
-sed 20q lst # For debugging.
-sed 20q grp # Likewise.
-
-test $(cat <grp | wc -l) -eq $count
-test $(cat <lst | wc -l) -eq $count
-
-# We need to simulate a failure of two tests.
-st=0
-env TESTS="$deepdir/$tname-1.test $deepdir/$tname-2.test" \
- TEST_LOG_COMPILER=false $MAKE -e check > stdout && st=1
-cat stdout
-test $(grep -c '^FAIL:' stdout) -eq 2 || st=1
-test $st -eq 0 || fatal_ "couldn't simulate failure of two tests"
-unset st
-
-$MAKE recheck > stdout || { cat stdout; exit 1; }
-cat stdout
-grep "^PASS: .*$tname-1\.test" stdout
-grep "^PASS: .*$tname-2\.test" stdout
-test $(LC_ALL=C grep -c "^[A-Z][A-Z]*:" stdout) -eq 2
-grep "^# TOTAL: 2$" stdout
-grep "^# PASS: 2$" stdout
-
-# "make clean" might ignore some failures, so we prefer to also grep its
-# output to ensure that no "Argument list too long" error was encountered.
-$MAKE clean >output 2>&1 || { cat output; exit 1; }
-cat output
-grep -i 'list.* too long' output && exit 1
-ls $deepdir | grep '\.log$' && exit 1
-
-: