1 files changed, 54 insertions, 0 deletions
diff --git a/packages/contracts/test/exchange/combinatorial_tests.ts b/packages/contracts/test/exchange/combinatorial_tests.ts
new file mode 100644
index 000000000..fd9193d69
--- /dev/null
+++ b/packages/contracts/test/exchange/combinatorial_tests.ts
@@ -0,0 +1,54 @@
+import { BlockchainLifecycle } from '@0xproject/dev-utils';
+import * as _ from 'lodash';
+
+import { chaiSetup } from '../../src/utils/chai_setup';
+import { CoreCombinatorialUtils, coreCombinatorialUtilsFactoryAsync } from '../../src/utils/core_combinatorial_utils';
+import { provider, txDefaults, web3Wrapper } from '../../src/utils/web3_wrapper';
+
+import { FillScenario, OrderScenario, TakerAssetFillAmountScenario } from '../../src/utils/types';
+
+chaiSetup.configure();
+const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
+
+describe('Combinatorial tests', () => {
+    let coreCombinatorialUtils: CoreCombinatorialUtils;
+
+    before(async () => {
+        await blockchainLifecycle.startAsync();
+        coreCombinatorialUtils = await coreCombinatorialUtilsFactoryAsync(web3Wrapper, txDefaults);
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    beforeEach(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    afterEach(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    const test = (fillScenarios: FillScenario[]) => {
+        _.forEach(fillScenarios, fillScenario => {
+            const orderScenario = fillScenario.orderScenario;
+            const description = `Combinatorial OrderFill: ${orderScenario.feeRecipientScenario} ${
+                orderScenario.makerAssetAmountScenario
+            } ${orderScenario.takerAssetAmountScenario} ${orderScenario.makerFeeScenario} ${
+                orderScenario.takerFeeScenario
+            } ${orderScenario.expirationTimeSecondsScenario} ${orderScenario.makerAssetDataScenario} ${
+                orderScenario.takerAssetDataScenario
+            }`;
+            it(description, async () => {
+                await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            });
+        });
+    };
+
+    const allOrderScenarios = CoreCombinatorialUtils.generateOrderCombinations();
+    const allFillScenarios = _.map(allOrderScenarios, orderScenario => {
+        return {
+            orderScenario,
+            takerAssetFillAmountScenario: TakerAssetFillAmountScenario.LessThanRemainingFillableTakerAssetAmount,
+        };
+    });
+
+    describe('Fills orders', () => test(allFillScenarios));
+});