Add regression test for #992

date-fns · Dec 7, 2018 · 96ad40c · 96ad40c
1 parent 947b215
commit 96ad40c
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diff --git a/scripts/test/regression.sh b/scripts/test/regression.sh
@@ -8,4 +8,5 @@ set -ex
 
 export PATH="$(yarn bin):$PATH"
 
-env TZ=America/Sao_Paulo babel-node ./test/regression/972.js
+env TZ=America/Sao_Paulo babel-node ./test/regression/972.js
+env TZ=America/Sao_Paulo babel-node ./test/regression/992.js
diff --git a/test/regression/992.js b/test/regression/992.js
@@ -0,0 +1,15 @@
+// This is a regression test for issue #992: https://github.com/date-fns/date-fns/issues/992
+
+import toDate from '../../src/toDate'
+import getDay from '../../src/getDay'
+import assert from 'assert'
+
+if (process.env.TZ !== 'America/Sao_Paulo')
+  throw new Error('The test must be run with TZ=America/Sao_Paulo')
+
+const result = getDay(toDate('2018-11-04'))
+const expectation = 0
+assert(
+  result === expectation,
+  `The result should be equal ${expectation} but got ${result}`
+)