Refs #20543: Include unit test

Signed-off-by: JesusPoderoso <[email protected]>

test/unittest/dds/participant/ParticipantTests.cpp

@@ -564,6 +564,20 @@ TEST(ParticipantTests, CreateDomainParticipantWithProfile)
     ASSERT_TRUE(DomainParticipantFactory::get_instance()->delete_participant(participant) == ReturnCode_t::RETCODE_OK);
 }
 
+// Task #20543 participant creation loading values from env
+TEST(ParticipantTests, CreateDomainParticipantWithDefaultProfile)
+{
+    setenv("FASTDDS_DEFAULT_PROFILES_FILE", "test_xml_profile.xml", 1); // overwrite if exists
+    //participant using default profile
+    DomainParticipant* participant =
+            DomainParticipantFactory::get_instance()->create_participant_with_default_profile();
+    uint32_t domain_id = 123u; // default domain id from test_xml_profile.xml
+    ASSERT_NE(participant, nullptr);
+    ASSERT_EQ(participant->get_domain_id(), domain_id); //Keep the DID given to the method, not the one on the profile
+    ASSERT_TRUE(DomainParticipantFactory::get_instance()->delete_participant(participant) == ReturnCode_t::RETCODE_OK);
+    unsetenv("FASTDDS_DEFAULT_PROFILES_FILE");
+}
+
 TEST(ParticipantTests, GetParticipantProfileQos)
 {
     DomainParticipantFactory::get_instance()->load_XML_profiles_file("test_xml_profile.xml");
@@ -589,7 +603,6 @@ TEST(ParticipantTests, GetParticipantProfileQos)
     ASSERT_EQ(DomainParticipantFactory::get_instance()->delete_participant(participant), ReturnCode_t::RETCODE_OK);
 }
 
-
 TEST(ParticipantTests, DeleteDomainParticipant)
 {
     DomainParticipant* participant =