1 files changed, 32 insertions, 0 deletions
diff --git a/date-fns/test/formatRFC3339/newzealand.js b/date-fns/test/formatRFC3339/newzealand.js
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+++ b/date-fns/test/formatRFC3339/newzealand.js
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+import formatRFC3339 from '../../src/formatRFC3339'
+import assert from 'assert'
+
+/**
+ * Pacific/Chatham (Chatham Islands, New Zealand) is interesting for being the farthest from UTC.
+ * It depends on Standard (+12:45) and Summer time (+13:45).
+ */
+if (process.env.TZ !== 'Pacific/Chatham')
+  throw new Error(
+    'The test must be run with TZ=Pacific/Chatham (UTC+12:45 or UTC+13:45)'
+  )
+
+if (parseInt(process.version.match(/^v(\d+)\./)[1]) < 10)
+  throw new Error('The test must be run on Node.js version >= 10')
+
+// Old date
+assert.equal(
+  formatRFC3339(new Date(1986, 3, 4, 10, 33, 1)),
+  '1986-04-04T10:33:01+12:45'
+)
+
+// Standard time (Chatham have +13:45)
+assert.equal(
+  formatRFC3339(new Date(2020, 8, 27, 20, 59, 1)),
+  '2020-09-27T20:59:01+13:45'
+)
+
+// Summer time (Chatham have +12:45)
+assert.equal(
+  formatRFC3339(new Date(2020, 3, 5, 5, 0, 54)),
+  '2020-04-05T05:00:54+12:45'
+)