1 files changed, 58 insertions, 0 deletions
diff --git a/date-fns/test/dst/parseISO/sydney.js b/date-fns/test/dst/parseISO/sydney.js
new file mode 100644
index 0000000..3b733c0
--- /dev/null
+++ b/date-fns/test/dst/parseISO/sydney.js
@@ -0,0 +1,58 @@
+// This is basic DST test for parseISO
+
+import parseISO from '../../../src/parseISO'
+import assert from 'assert'
+
+if (process.env.TZ !== 'Australia/Sydney')
+  throw new Error('The test must be run with TZ=Australia/Sydney')
+
+if (parseInt(process.version.match(/^v(\d+)\./)[1]) < 10)
+  throw new Error('The test must be run on Node.js version >= 10')
+
+// Test DST start edge
+assert.equal(parseISO('2019-10-06').getDate(), 6) // DST start
+assert.equal(parseISO('2019-10-07').getDate(), 7)
+assert.equal(
+  parseISO('2019-10-06T01:00:00').toString(),
+  'Sun Oct 06 2019 01:00:00 GMT+1000 (Australian Eastern Standard Time)'
+)
+assert.equal(
+  parseISO('2019-10-06T02:00:00').toString(),
+  'Sun Oct 06 2019 03:00:00 GMT+1100 (Australian Eastern Daylight Time)'
+)
+
+assert.equal(
+  parseISO('2019-10-06T05:00:00').toString(),
+  'Sun Oct 06 2019 05:00:00 GMT+1100 (Australian Eastern Daylight Time)'
+)
+
+// Test DST end edge
+assert.equal(parseISO('2019-04-06').getDate(), 6)
+assert.equal(parseISO('2019-04-07').getDate(), 7) // DST end
+assert.equal(
+  parseISO('2019-04-06T11:00:00').toString(),
+  'Sat Apr 06 2019 11:00:00 GMT+1100 (Australian Eastern Daylight Time)'
+)
+assert.equal(
+  parseISO('2019-04-07T11:00:00').toString(),
+  'Sun Apr 07 2019 11:00:00 GMT+1000 (Australian Eastern Standard Time)'
+)
+
+assert.equal(
+  parseISO('2019-04-07T00:00:00').toString(),
+  'Sun Apr 07 2019 00:00:00 GMT+1100 (Australian Eastern Daylight Time)'
+)
+
+// test edge cases for months, years
+assert.equal(
+  parseISO('2020-01-01T00:00:00').toString(),
+  'Wed Jan 01 2020 00:00:00 GMT+1100 (Australian Eastern Daylight Time)'
+)
+assert.equal(
+  parseISO('2019-12-31T23:59:59').toString(),
+  'Tue Dec 31 2019 23:59:59 GMT+1100 (Australian Eastern Daylight Time)'
+)
+assert.equal(
+  parseISO('2020-02-29T23:59:59').toString(),
+  'Sat Feb 29 2020 23:59:59 GMT+1100 (Australian Eastern Daylight Time)'
+)