activateAsDefault(profileId);
        }
    }

    /* (non-Javadoc)
     * @see org.apache.maven.profiles.ProfileManager#explicitlyActivate(java.lang.String)
     */
    @Override
    public void explicitlyActivate(String profileId) {
        if (!activatedIds.contains(profileId)) {
            logger.debug("Profile with id: '" + profileId + "' has been explicitly activated.");

	}

	type User struct {
		gorm.Model
		Profile   Profile `gorm:"ForeignKey:ProfileID;References:Refer"`
		ProfileID int
	}

	checkStructRelation(t, &User{}, Relation{
		Name: "Profile", Type: schema.BelongsTo, Schema: "User", FieldSchema: "Profile",
		References: []Reference{{"Refer", "Profile", "ProfileID", "User", "", false}},
	})
}

func TestBelongsToWithOnlyReferences(t *testing.T) {
	type Profile struct {