Add tests to verify ZRX_ASSET_DATA

packages/contracts/test/exchange/libs.ts

@@ -4,6 +4,7 @@ import { SignedOrder } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 
+import { TestConstantsContract } from '../../generated_contract_wrappers/test_constants';
 import { TestLibsContract } from '../../generated_contract_wrappers/test_libs';
 import { addressUtils } from '../utils/address_utils';
 import { artifacts } from '../utils/artifacts';
@@ -21,6 +22,7 @@ describe('Exchange libs', () => {
     let signedOrder: SignedOrder;
     let orderFactory: OrderFactory;
     let libs: TestLibsContract;
+    let testConstants: TestConstantsContract;
 
     before(async () => {
         await blockchainLifecycle.startAsync();
@@ -32,6 +34,11 @@ describe('Exchange libs', () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         const makerAddress = accounts[0];
         libs = await TestLibsContract.deployFrom0xArtifactAsync(artifacts.TestLibs, provider, txDefaults);
+        testConstants = await TestConstantsContract.deployFrom0xArtifactAsync(
+            artifacts.TestConstants,
+            provider,
+            txDefaults,
+        );
 
         const defaultOrderParams = {
             ...constants.STATIC_ORDER_PARAMS,
@@ -52,6 +59,15 @@ describe('Exchange libs', () => {
         await blockchainLifecycle.revertAsync();
     });
 
+    describe('LibConstants', () => {
+        describe('ZRX_ASSET_DATA', () => {
+            it('should have the correct ZRX_ASSET_DATA', async () => {
+                const isValid = await testConstants.assertValidZrxAssetData.callAsync();
+                expect(isValid).to.be.equal(true);
+            });
+        });
+    });
+
     describe('LibOrder', () => {
         describe('getOrderSchema', () => {
             it('should output the correct order schema hash', async () => {