Add usecaseinformation tests and fix bug

spine/model/usecaseinformation_additions.go

@@ -44,10 +44,9 @@ func (u *UseCaseInformationDataType) Remove(useCaseName UseCaseNameType) {
 
 	for _, item := range u.UseCaseSupport {
 		if item.UseCaseName != nil && *item.UseCaseName != useCaseName {
-			continue
+			usecases = append(usecases, item)
 		}
 
-		usecases = append(usecases, item)
 	}
 
 	u.UseCaseSupport = usecases

spine/model/usecaseinformation_additions_test.go

@@ -0,0 +1,47 @@
+package model
+
+import (
+	"testing"
+
+	"github.com/enbility/eebus-go/util"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/suite"
+)
+
+func TestUseCaseInformationDataTypeSuite(t *testing.T) {
+	suite.Run(t, new(UseCaseInformationDataTypeSuite))
+}
+
+type UseCaseInformationDataTypeSuite struct {
+	suite.Suite
+}
+
+func (s *UseCaseInformationDataTypeSuite) SetupSuite()   {}
+func (s *UseCaseInformationDataTypeSuite) TearDownTest() {}
+
+func (s *UseCaseInformationDataTypeSuite) BeforeTest(suiteName, testName string) {}
+
+func (s *UseCaseInformationDataTypeSuite) Test_AdditionsAndRemovals() {
+	ucs := &UseCaseInformationDataType{}
+	assert.NotNil(s.T(), ucs)
+	assert.Equal(s.T(), 0, len(ucs.UseCaseSupport))
+
+	uc := UseCaseSupportType{}
+	ucs.Add(uc)
+	assert.Equal(s.T(), 0, len(ucs.UseCaseSupport))
+
+	uc = UseCaseSupportType{
+		UseCaseName: util.Ptr(UseCaseNameTypeControlOfBattery),
+	}
+	ucs.Add(uc)
+	assert.Equal(s.T(), 1, len(ucs.UseCaseSupport))
+
+	ucs.Add(uc)
+	assert.Equal(s.T(), 1, len(ucs.UseCaseSupport))
+
+	ucs.Remove(UseCaseNameTypeCoordinatedEVCharging)
+	assert.Equal(s.T(), 1, len(ucs.UseCaseSupport))
+
+	ucs.Remove(UseCaseNameTypeControlOfBattery)
+	assert.Equal(s.T(), 0, len(ucs.UseCaseSupport))
+}