test: add test for building without BIGNUM_C

Signed-off-by: Valerio Setti <vsetti@baylibre.com>
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 18dc8a6..a6b4bcb 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -1277,6 +1277,57 @@
     make test
 }
 
+component_test_full_no_bignum () {
+    msg "build: full minus bignum"
+    scripts/config.py full
+    scripts/config.py unset MBEDTLS_BIGNUM_C
+    # Direct dependencies of bignum
+    scripts/config.py unset MBEDTLS_ECP_C
+    scripts/config.py unset MBEDTLS_RSA_C
+    scripts/config.py unset MBEDTLS_DHM_C
+    # Direct dependencies of ECP
+    scripts/config.py unset MBEDTLS_ECDH_C
+    scripts/config.py unset MBEDTLS_ECDSA_C
+    scripts/config.py unset MBEDTLS_ECJPAKE_C
+    scripts/config.py unset MBEDTLS_ECP_RESTARTABLE
+    # Indirect dependencies of ECP
+    scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
+    scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED
+    scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED
+    scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
+    scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
+    scripts/config.py unset MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED
+    scripts/config.py unset MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED
+    scripts/config.py unset MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED
+    # Direct dependencies of DHM
+    scripts/config.py unset MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED
+    # Direct dependencies of RSA
+    scripts/config.py unset MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED
+    scripts/config.py unset MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED
+    scripts/config.py unset MBEDTLS_KEY_EXCHANGE_RSA_ENABLED
+    scripts/config.py unset MBEDTLS_X509_RSASSA_PSS_SUPPORT
+    # PK and its dependencies
+    scripts/config.py unset MBEDTLS_PK_C
+    scripts/config.py unset MBEDTLS_PK_PARSE_C
+    scripts/config.py unset MBEDTLS_PK_WRITE_C
+    scripts/config.py unset MBEDTLS_X509_USE_C
+    scripts/config.py unset MBEDTLS_X509_CRT_PARSE_C
+    scripts/config.py unset MBEDTLS_X509_CRL_PARSE_C
+    scripts/config.py unset MBEDTLS_X509_CSR_PARSE_C
+    scripts/config.py unset MBEDTLS_X509_CREATE_C
+    scripts/config.py unset MBEDTLS_X509_CRT_WRITE_C
+    scripts/config.py unset MBEDTLS_X509_CSR_WRITE_C
+    scripts/config.py unset MBEDTLS_PKCS7_C
+    scripts/config.py unset MBEDTLS_SSL_SERVER_NAME_INDICATION
+    scripts/config.py unset MBEDTLS_SSL_ASYNC_PRIVATE
+    scripts/config.py unset MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK
+
+    make
+
+    msg "test: full minus bignum"
+    make test
+}
+
 component_test_tls1_2_default_stream_cipher_only () {
     msg "build: default with only stream cipher"