diff --git a/tests/data_files/cert_v1_with_ext.crt b/tests/data_files/cert_v1_with_ext.crt
new file mode 100644
index 0000000..4f07048
--- /dev/null
+++ b/tests/data_files/cert_v1_with_ext.crt
@@ -0,0 +1,23 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/tests/suites/test_suite_x509parse.data b/tests/suites/test_suite_x509parse.data
index b6ccd1b..b853e26 100644
--- a/tests/suites/test_suite_x509parse.data
+++ b/tests/suites/test_suite_x509parse.data
@@ -70,6 +70,10 @@
 depends_on:POLARSSL_PEM_PARSE_C:POLARSSL_ECP_C
 x509_cert_info:"data_files/server3.crt":"cert. version \: 3\nserial number \: 0D\nissuer name   \: C=NL, O=PolarSSL, CN=PolarSSL Test CA\nsubject name  \: C=NL, O=PolarSSL, CN=localhost\nissued  on    \: 2013-08-09 09\:17\:03\nexpires on    \: 2023-08-07 09\:17\:03\nsigned using  \: RSA with SHA1\nEC key size   \: 192 bits\n"
 
+X509 certificate v1 with extension
+depends_on:POLARSSL_PEM_PARSE_C:POLARSSL_RSA_C:POLARSSL_X509_ALLOW_EXTENSIONS_NON_V3
+x509_cert_info:"data_files/cert_v1_with_ext.crt":"cert. version \: 1\nserial number \: BD\:ED\:44\:C7\:D2\:3E\:C2\:A4\nissuer name   \: C=XX, ST=XX, L=XX, O=XX, OU=XX, emailAddress=admin@identity-check.org, CN=identity-check.org\nsubject name  \: C=XX, ST=XX, L=XX, O=XX, OU=XX, emailAddress=admin@identity-check.org, CN=identity-check.org\nissued  on    \: 2013-07-04 16\:17\:02\nexpires on    \: 2014-07-04 16\:17\:02\nsigned using  \: RSA with SHA1\nRSA key size  \: 2048 bits\n"
+
 X509 CRL information #1
 depends_on:POLARSSL_PEM_PARSE_C
 x509_crl_info:"data_files/crl_expired.pem":"CRL version   \: 1\nissuer name   \: C=NL, O=PolarSSL, CN=PolarSSL Test CA\nthis update   \: 2011-02-20 10\:24\:19\nnext update   \: 2011-02-20 11\:24\:19\nRevoked certificates\:\nserial number\: 01 revocation date\: 2011-02-12 14\:44\:07\nserial number\: 03 revocation date\: 2011-02-12 14\:44\:07\nsigned using  \: RSA with SHA1\n"