@Input() fedExciseExpensesInputs: Array<BackendDto.FedExciseExpense>;
@Input() currentSelectedCurrency: string;
@Input() currentSelectedCoveragePolicy: number;
@Input() currentSelected953D: number;
private _fedExTax: BackendDto.FedExciseExpense = { value: 0, coveragePolicyTypeId: null, is953D: null };

  get fedExTax(): BackendDto.FedExciseExpense {
    if (this.currentSelectedCoveragePolicy !== 0) {
      this.isReadOnly = false;
      return this.fedExciseExpensesInputs.find(x => x.coveragePolicyTypeId === this.currentSelectedCoveragePolicy && x.is953D === this.currentSelected953D);
    } else {
      this.isReadOnly = true;
      return this._fedExTax;
    }
  }

beforeEach(() => {
            fixture = TestBed.createComponent(HostFormTestComponent);
            harness = fixture.componentInstance;
            fixture.detectChanges();
            sut = harness.componentUnderTest;
            harness.incrementalExpensesInputs = IncrementalExpenses;
            harness.fedExciseExpensesInputs = fedExciseTaxExpenses;
            fixture.detectChanges();
          });

      it('should set fields correctly when currentSelectedCoveragePolicy is 0', () => {
        sut.fedExTax.coveragePolicyTypeId = 0;
        fixture.detectChanges();
        //expect(sut.fedExTax.coveragePolicyTypeId).toBeNull();
        expect(sut.fedExciseExpensesInputs).toBeNull();
      });

      it('should set fields correctly when currentSelectedCoveragePolicy is 1', () => {
        sut.currentSelectedCoveragePolicy = 1;
        fixture.detectChanges();
        expect(sut.fedExciseExpensesInputs[0].coveragePolicyTypeId).toEqual(1);
        //expect(sut.fedExTax.coveragePolicyTypeId).toEqual(1);
      });


     export const createFedExciseExpenses = (): Array<BackendDto.FedExciseExpense> => {
    return [
        {is953D : 1, coveragePolicyTypeId : 1, value : 0},
        {is953D : 0, coveragePolicyTypeId : 1, value : 1},
        {is953D : 0, coveragePolicyTypeId : 2, value : 4},
        {is953D : 1, coveragePolicyTypeId : 2, value : 0}
    ];
};