diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index af32c06..2b51f9e 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -4687,6 +4687,26 @@
     not grep -q "AES note: built-in implementation." ./programs/test/selftest
 }
 
+component_test_sha3_variations() {
+    msg "sha3 loop unroll variations"
+
+    # define minimal config sufficient to test SHA3
+    cat > include/mbedtls/mbedtls_config.h << END
+        #define MBEDTLS_SELF_TEST
+        #define MBEDTLS_SHA3_C
+END
+
+    msg "all loops unrolled"
+    make clean
+    make -C tests test_suite_shax CFLAGS="-DMBEDTLS_SHA3_THETA_UNROLL=1 -DMBEDTLS_SHA3_PI_UNROLL=1 -DMBEDTLS_SHA3_CHI_UNROLL=1 -DMBEDTLS_SHA3_RHO_UNROLL=1"
+    ./tests/test_suite_shax
+
+    msg "all loops rolled up"
+    make clean
+    make -C tests test_suite_shax CFLAGS="-DMBEDTLS_SHA3_THETA_UNROLL=0 -DMBEDTLS_SHA3_PI_UNROLL=0 -DMBEDTLS_SHA3_CHI_UNROLL=0 -DMBEDTLS_SHA3_RHO_UNROLL=0"
+    ./tests/test_suite_shax
+}
+
 support_test_aesni_m32() {
     support_test_m32_no_asm && (lscpu | grep -qw aes)
 }