add thread tests

CMakeLists.txt

@@ -60,3 +60,11 @@ foreach(arch ${ARCHES})
             ${arch}
     )
 endforeach()
+
+# Thread test
+add_test(
+  NAME "thread"
+  COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/tests/test-threads.sh
+          ${CMAKE_CURRENT_BINARY_DIR}/${PACKAGE_NAME}
+          ${CMAKE_CURRENT_SOURCE_DIR}
+  )

tests/test-threads.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/bash
+set -e
+
+if [ $# != 2 ]; then
+  echo "Usage path/to/test-threads.sh <termux-elf-cleaner> <source-dir>"
+  exit 1
+fi
+
+elf_cleaner="$1"
+source_dir="$2"
+
+for i in {1..100}; do
+  for arch in aarch64 arm i686 x86_64; do
+    for api in 21 24; do
+      cp "$source_dir/tests/curl-7.83.1-$arch-original" "$source_dir/tests/curl-8.83.1-$arch-api$api-threads-$i.test"
+    done
+  done
+done
+
+for api in 21 24; do
+  "$elf_cleaner" --api-level "$api" --quiet --jobs 4 "$source_dir/tests/curl-8.83.1-"*"-api$api-threads"*".test"
+done
+
+for i in {1..100}; do
+  for arch in aarch64 arm i686 x86_64; do
+    for api in 21 24; do
+      if not cmp -s "$source_dir/tests/curl-7.83.1-$arch-api$api-cleaned" "$source_dir/tests/curl-8.83.1-$arch-api$api-threads-$i.test"; then
+        echo "Expected and actual files differ for $source_dir/tests/curl-8.83.1-$arch-threads-$i.test"
+        exit 1
+      fi
+    done
+  done
+done