From 518f351235d1a3380ca1b4c803a43f507e4e3b85 Mon Sep 17 00:00:00 2001
From: Lawrence Forman <lawrence@0xproject.com>
Date: Tue, 21 May 2019 22:10:33 -0400
Subject: [PATCH] `@0x/contracts-exchange`: Correct coding convention in
 `match_orders.ts`

---
 contracts/exchange/test/match_orders.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/contracts/exchange/test/match_orders.ts b/contracts/exchange/test/match_orders.ts
index 35d79ae55f..a0d10a6fae 100644
--- a/contracts/exchange/test/match_orders.ts
+++ b/contracts/exchange/test/match_orders.ts
@@ -1374,11 +1374,11 @@ describe('matchOrders', () => {
             function getAssetData(tokenType: TokenType, ownerAddress: string): string {
                 const encodeERC20AssetData = assetDataUtils.encodeERC20AssetData;
                 const encodeERC721AssetData = assetDataUtils.encodeERC721AssetData;
-                if (tokenType in nameToERC20Tokens) {
+                if (nameToERC20Tokens[tokenType] !== undefined) {
                     const tokenAddress = nameToERC20Tokens[tokenType];
                     return encodeERC20AssetData(tokenAddress);
                 }
-                if (tokenType in nameToERC721Tokens) {
+                if (nameToERC721Tokens[tokenType] !== undefined) {
                     const tokenAddress = nameToERC721Tokens[tokenType];
                     const tokenIdx = tokenType.charCodeAt(tokenType.length - 1) - 'A'.charCodeAt(0);
                     const tokenId = erc721TokenIdsByOwner[ownerAddress][tokenAddress][tokenIdx];