--- /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.
+
+am_parallel_tests=yes
+. ./defs || Exit 1
+
+set -e
+
+cat >> configure.in << '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 ()
+{
+ awk "
+ BEGIN {
+ print \"TESTS = \\\\\"
+ for (i = 1; i < $count; i = i + 1)
+ print \" $deepdir/$tname-\" i \".test \\\\\"
+ print \" $deepdir/$tname-\" i \".test\"
+ }
+ " > list-of-tests.am || Exit 99
+ $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=`expr $count '*' 100` || Exit 99
+ 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=`expr '(' $count '*' 12 ')' / 10` || Exit 99
+ 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 "All $count tests" stdout
+
+grep "^PASS: .*$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 "All 2 tests" 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
+
+:
projects / platform / upstream / automake.git / commitdiff