tests: plain-needed.sh: add tescases for --add-needed-/--remove-needed

Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>

tests/plain-needed.sh

@@ -1,4 +1,25 @@
 #! /bin/sh
 set -e
+
+SCRATCH=scratch/$(basename $0 .sh)
+MAIN_ELF="${SCRATCH}/main"
+
+PATCHELF="../src/patchelf"
+
+rm -rf ${SCRATCH}
+mkdir -p ${SCRATCH}
+cp main ${SCRATCH}/
+
 echo "Confirming main requires libfoo"
-../src/patchelf --print-needed main | grep -q libfoo.so
+${PATCHELF} --print-needed "${MAIN_ELF}" | grep -q libfoo.so
+
+echo "Testing --add-needed functionality"
+${PATCHELF} --add-needed bar.so "${MAIN_ELF}"
+${PATCHELF} --print-needed "${MAIN_ELF}" | grep -q bar.so
+
+echo "Testing --remove-needed functionality"
+${PATCHELF} --remove-needed bar.so "${MAIN_ELF}"
+if ${PATCHELF} --print-needed "${MAIN_ELF}" | grep -q bar.so; then
+	echo "ERROR: --remove-needed did not eliminate bar.so!"
+	exit 1
+fi