tests: add run termux-elf-cleaner on 100 files

Check so no errors are raised.

tests/Makefile.am

@@ -17,7 +17,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-TESTSUITE_FRAGMENTS = api-21.at api-24.at tls-alignment.at elf-cleaner.at
+TESTSUITE_FRAGMENTS = api-21.at api-24.at tls-alignment.at	\
+elf-cleaner.at threads.at
 
 EXTRA_DIST = $(TESTSUITE_AT) testsuite package.m4
 

tests/elf-cleaner.at

@@ -29,3 +29,5 @@ m4_include([api-21.at])
 m4_include([api-24.at])
 
 m4_include([tls-alignment.at])
+
+m4_include([threads.at])

tests/threads.at

@@ -0,0 +1,39 @@
+# Process this file with autom4te to create testsuite. -*- Autotest -*-
+
+# Test suite for termux-elf-cleaner.
+# Copyright 2022 Termux
+
+# This file is part of termux-elf-cleaner.
+
+# termux-elf-cleaner 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.
+
+# termux-elf-cleaner 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/>.
+
+# Ensure that termux-elf-cleaner can run on several threads
+
+AT_BANNER([Multiple threads])
+
+AT_SETUP([Parallel on 100 files])
+AT_KEYWORDS([dynamic-section api-24 aarch64])
+AT_CHECK([
+for i in $(seq 1 100); do
+  cp ${top_srcdir}/tests/curl-7.83.1-aarch64-original curl-7.83.1-aarch64-original-$i
+done
+${abs_top_builddir}/termux-elf-cleaner --api-level 24 --jobs 4 --quiet curl-7.83.1-aarch64-original-*
+for i in $(seq 1 100); do
+  cmp --silent curl-7.83.1-aarch64-original-$i ${top_srcdir}/tests/curl-7.83.1-aarch64-api24-cleaned
+done
+],
+[0],
+[])
+AT_CLEANUP