From b48696539dc58ccf98db461c67aa4559329c8603 Mon Sep 17 00:00:00 2001
From: Jakub Jelen <jjelen@redhat.com>
Date: Fri, 11 Dec 2020 20:13:00 +0100
Subject: [PATCH] tests: Verify there are no duplicate symbols exported

---
 tests/Makefile.am               |  3 ++-
 tests/test-duplicate-symbols.sh | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100755 tests/test-duplicate-symbols.sh

diff --git a/tests/Makefile.am b/tests/Makefile.am
index e241b615..a469c0e5 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -8,7 +8,8 @@ dist_noinst_SCRIPTS = common.sh \
                       test-pkcs11-tool-allowed-mechanisms.sh
 
 TESTS = \
-	test-manpage.sh \
+        test-manpage.sh \
+        test-duplicate-symbols.sh \
         test-pkcs11-tool-sign-verify.sh \
         test-pkcs11-tool-test.sh \
         test-pkcs11-tool-allowed-mechanisms.sh
diff --git a/tests/test-duplicate-symbols.sh b/tests/test-duplicate-symbols.sh
new file mode 100755
index 00000000..2b53a0af
--- /dev/null
+++ b/tests/test-duplicate-symbols.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+SOURCE_PATH=../
+
+EXPORTS=`find "${SOURCE_PATH}" -name "*exports"`
+
+ERRORS=0
+for E in $EXPORTS; do
+	NUM_DUPES=`sort $E | uniq -D | wc -l`
+	if [[ "$NUM_DUPES" != 0 ]]; then
+		echo "There are duplicate symbols in '$E'"
+		ERRORS=1
+	fi
+done
+
+if [[ "$ERRORS" = 1 ]]; then
+	echo "There are duplicate symbols"
+	exit 1
+fi
+
+exit $ERRORS