Add test for getPreviousCycle

2018-10-25 09:30:44 +02:00
parent 9188d84797
commit 5e8bc0a3e8
2 changed files with 175 additions and 4 deletions
@@ -47,8 +47,8 @@ export default function config(opts) {
  function getPreviousCycle(dateString) {
    const cycleStart = getLastMensesStartForDay(dateString)
    if (!cycleStart) return null
-    const i = cycleDaysSortedByDate.indexOf(cycleStart)
-    const earlierCycleStart = cycleDaysSortedByDate[i - 1]
+    const i = cycleStartsSortedByDate.indexOf(cycleStart)
+    const earlierCycleStart = cycleStartsSortedByDate[i + 1]
    if (!earlierCycleStart) return null
    return getCycleForStartDay(earlierCycleStart)
  }