unit: add tests for util_get_{domain,username}

test-ssid-to-utf8 was hijacked and renamed to test-util, and
two tests were added for the new utility functions.

Makefile.am

@@ -312,7 +312,7 @@ unit_tests = unit/test-cmac-aes \
 		unit/test-hmac-md5 unit/test-hmac-sha1 unit/test-hmac-sha256 \
 		unit/test-prf-sha1 unit/test-kdf-sha256 \
 		unit/test-crypto unit/test-eapol unit/test-mpdu \
-		unit/test-ie unit/test-ssid-to-utf8 unit/test-ssid-security \
+		unit/test-ie unit/test-util unit/test-ssid-security \
 		unit/test-arc4 unit/test-wsc unit/test-eap-mschapv2 \
 		unit/test-eap-sim unit/test-sae
 
@@ -399,9 +399,9 @@ unit_test_eapol_SOURCES = unit/test-eapol.c \
 unit_test_eapol_LDADD = $(ell_ldadd)
 unit_test_eapol_DEPENDENCIES = ell/unit/test_data
 
-unit_test_ssid_to_utf8_SOURCES = src/util.h src/util.c \
-				unit/test-ssid-to-utf8.c
-unit_test_ssid_to_utf8_LDADD = $(ell_ldadd)
+unit_test_util_SOURCES = src/util.h src/util.c \
+				unit/test-util.c
+unit_test_util_LDADD = $(ell_ldadd)
 
 unit_test_ssid_security_SOURCES = unit/test-ssid-security.c src/ie.h src/ie.c \
 				src/common.h src/common.c

unit/test-util.c

@@ -77,11 +77,51 @@ static void ssid_to_utf8(const void *data)
 
 }
 
+static const char ms_id[] = "domain\\user";
+static const char id[] = "user@domain";
+static const char no_separator[] = "username";
+
+static void get_domain_test(const void *data)
+{
+	const char *test;
+
+	test = util_get_domain(ms_id);
+
+	assert(strcmp(test, "domain") == 0);
+
+	test = util_get_domain(id);
+
+	assert(strcmp(test, "domain") == 0);
+
+	test = util_get_domain(no_separator);
+
+	assert(strcmp(test, "username") == 0);
+}
+
+static void get_username_test(const void *data)
+{
+	const char *test;
+
+	test = util_get_username(ms_id);
+
+	assert(strcmp(test, "user") == 0);
+
+	test = util_get_username(id);
+
+	assert(strcmp(test, "user") == 0);
+
+	test = util_get_username(no_separator);
+
+	assert(strcmp(test, "username") == 0);
+}
+
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
 
 	l_test_add("/util/ssid_to_utf8/", ssid_to_utf8, ssid_samples);
+	l_test_add("/util/get_domain/", get_domain_test, NULL);
+	l_test_add("/util/get_username/", get_username_test, NULL);
 
 	return l_test_run();
 }