From 370935a63a0305ba6145e633fc75e283d403f0f0 Mon Sep 17 00:00:00 2001
From: Thomas Kaul <4159106+dtslvr@users.noreply.github.com>
Date: Fri, 16 Aug 2024 21:58:06 +0200
Subject: [PATCH] Improve tests

---
 .../src/app/portfolio/calculator/twr/portfolio-calculator.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/apps/api/src/app/portfolio/calculator/twr/portfolio-calculator.ts b/apps/api/src/app/portfolio/calculator/twr/portfolio-calculator.ts
index e6897ceab..98ecae5a4 100644
--- a/apps/api/src/app/portfolio/calculator/twr/portfolio-calculator.ts
+++ b/apps/api/src/app/portfolio/calculator/twr/portfolio-calculator.ts
@@ -881,12 +881,13 @@ export class TWRPortfolioCalculator extends PortfolioCalculator {
       let average = new Big(0);
 
       const currentValuesAtStartDateWithCurrencyEffect =
-        currentValuesWithCurrencyEffect[format(startDate, DATE_FORMAT)];
+        currentValuesWithCurrencyEffect[format(startDate, DATE_FORMAT)] ??
+        new Big(0);
 
       const investmentValuesAccumulatedAtStartDateWithCurrencyEffect =
         investmentValuesAccumulatedWithCurrencyEffect[
           format(startDate, DATE_FORMAT)
-        ];
+        ] ?? new Big(0);
 
       // TODO: Rename?
       const grossPerformanceAtStartDateWithCurrencyEffect2 =