1 files changed, 50 insertions, 0 deletions
diff --git a/packages/order-utils/test/asset_data_utils_test.ts b/packages/order-utils/test/asset_data_utils_test.ts
new file mode 100644
index 000000000..f175b7a38
--- /dev/null
+++ b/packages/order-utils/test/asset_data_utils_test.ts
@@ -0,0 +1,50 @@
+import * as chai from 'chai';
+
+import { ERC20AssetData, ERC721AssetData } from '@0x/types';
+import { BigNumber } from '@0x/utils';
+
+import { assetDataUtils } from '../src/asset_data_utils';
+
+import { chaiSetup } from './utils/chai_setup';
+
+chaiSetup.configure();
+const expect = chai.expect;
+
+const KNOWN_ENCODINGS = [
+    {
+        address: '0x1dc4c1cefef38a777b15aa20260a54e584b16c48',
+        assetData: '0xf47261b00000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c48',
+    },
+    {
+        address: '0x1dc4c1cefef38a777b15aa20260a54e584b16c48',
+        tokenId: new BigNumber(1),
+        assetData:
+            '0x025717920000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c480000000000000000000000000000000000000000000000000000000000000001',
+    },
+];
+
+const ERC20_ASSET_PROXY_ID = '0xf47261b0';
+const ERC721_ASSET_PROXY_ID = '0x02571792';
+
+describe('assetDataUtils', () => {
+    it('should encode ERC20', () => {
+        const assetData = assetDataUtils.encodeERC20AssetData(KNOWN_ENCODINGS[0].address);
+        expect(assetData).to.equal(KNOWN_ENCODINGS[0].assetData);
+    });
+    it('should decode ERC20', () => {
+        const assetData: ERC20AssetData = assetDataUtils.decodeERC20AssetData(KNOWN_ENCODINGS[0].assetData);
+        expect(assetData.tokenAddress).to.equal(KNOWN_ENCODINGS[0].address);
+        expect(assetData.assetProxyId).to.equal(ERC20_ASSET_PROXY_ID);
+    });
+    it('should encode ERC721', () => {
+        const assetData = assetDataUtils.encodeERC721AssetData(KNOWN_ENCODINGS[1].address, KNOWN_ENCODINGS[1]
+            .tokenId as BigNumber);
+        expect(assetData).to.equal(KNOWN_ENCODINGS[1].assetData);
+    });
+    it('should decode ERC721', () => {
+        const assetData: ERC721AssetData = assetDataUtils.decodeERC721AssetData(KNOWN_ENCODINGS[1].assetData);
+        expect(assetData.tokenAddress).to.equal(KNOWN_ENCODINGS[1].address);
+        expect(assetData.assetProxyId).to.equal(ERC721_ASSET_PROXY_ID);
+        expect(assetData.tokenId).to.be.bignumber.equal(KNOWN_ENCODINGS[1].tokenId);
+    });
+});