import { BigNumber } from '@0x/utils'; import { InsufficientAssetLiquidityError } from '../../src/errors'; export const testHelpers = { expectInsufficientLiquidityError: ( expect: Chai.ExpectStatic, functionWhichTriggersError: () => void, expectedAmountAvailableToFill?: BigNumber, ): void => { let wasErrorThrown = false; try { functionWhichTriggersError(); } catch (e) { wasErrorThrown = true; expect(e).to.be.instanceOf(InsufficientAssetLiquidityError); if (expectedAmountAvailableToFill) { expect(e.amountAvailableToFill).to.be.bignumber.equal(expectedAmountAvailableToFill); } else { expect(e.amountAvailableToFill).to.be.undefined(); } } expect(wasErrorThrown).to.be.true(); }, };