diff options
| -rw-r--r-- | packages/0x.js/test/order_state_watcher_test.ts | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/packages/0x.js/test/order_state_watcher_test.ts b/packages/0x.js/test/order_state_watcher_test.ts index 8236a6d6b..b7b5842c9 100644 --- a/packages/0x.js/test/order_state_watcher_test.ts +++ b/packages/0x.js/test/order_state_watcher_test.ts @@ -337,6 +337,29 @@ describe('OrderStateWatcher', () => { await zeroEx.exchange.cancelOrderAsync(signedOrder, fillableAmount); })().catch(done); }); + it('should emit orderStateInvalid when within rounding error range', (done: DoneCallback) => { + (async () => { + const fillableAmountInBaseUnits = new BigNumber(10).pow(18); + const remainingFillableAmountInBaseUnits = new BigNumber(10).pow(2); + signedOrder = await fillScenarios.createFillableSignedOrderAsync( + makerToken.address, takerToken.address, maker, taker, fillableAmountInBaseUnits, + ); + const orderHash = ZeroEx.getOrderHashHex(signedOrder); + zeroEx.orderStateWatcher.addOrder(signedOrder); + + const callback = reportCallbackErrors(done)((orderState: OrderState) => { + expect(orderState.isValid).to.be.false(); + const invalidOrderState = orderState as OrderStateInvalid; + expect(invalidOrderState.orderHash).to.be.equal(orderHash); + expect(invalidOrderState.error).to.be.equal(ExchangeContractErrs.OrderFillRoundingError); + done(); + }); + zeroEx.orderStateWatcher.subscribe(callback); + await zeroEx.exchange.cancelOrderAsync( + signedOrder, fillableAmountInBaseUnits.minus(remainingFillableAmountInBaseUnits), + ); + })().catch(done); + }); it('should emit orderStateValid when watched order partially cancelled', (done: DoneCallback) => { (async () => { signedOrder = await fillScenarios.createFillableSignedOrderAsync( |