test north hemisphere spring too #233

spencermountain · Oct 28, 2020 · 3b978ea · 3b978ea
1 parent c9c8d72
commit 3b978ea
Showing 1 changed file with 42 additions and 16 deletions.
diff --git a/test/dst-north.test.js b/test/dst-north.test.js
@@ -15,41 +15,67 @@ let zones = [
   'america/indianapolis',
   'america/tijuana', //11/01:02  -7hrs
   'mexico/bajanorte', //11/01:02  -7hrs
-  'america/havana',
+  // 'america/havana',
   'america/indiana',
   'america/kentucky',
-  'america/north_dakota',
-  'america/scoresbysund',
-  'asia/amman',
-  'asia/gaza',
-  'asia/hebron',
-  'atlantic/azores',
-  'asia/damascus', //10/29:24
-  'asia/beirut', //10/24:24
-  'asia/tehran' //09/20:24
+  'america/north_dakota'
+  // 'america/scoresbysund',
+  // 'asia/amman',
+  // 'asia/gaza',
+  // 'asia/hebron',
+  // 'atlantic/azores',
+  // 'asia/damascus', //10/29:24
+  // 'asia/beirut', //10/24:24
+  // 'asia/tehran' //09/20:24
 ]
 
-test('increment-to-fall-back', (t) => {
+test('north-increment-spring', (t) => {
   zones.forEach((tz) => {
     // get fall dst change
     let dstStr = spacetime().timezones[tz].dst
-    let change = dstParse(dstStr, 1)
+    let change = dstParse(dstStr, 0)
     //create a date 2mins after dst change
-    let after = spacetime(change, tz)
+    let before = spacetime(change, tz).minus(1, 'hour')
     // create a time 2hrs before a dst change (-3hrs)
-    let before = after.clone().minus(3, 'hours')
+    let after = before.clone().add(2, 'hours')
+    // console.log(before.format('nice'), after.format('nice'))
     // start rolling towards the dst shift (but don't hit it)
     for (let i = 0; i < 12; i += 1) {
       let time = before.time()
       t.equal(before.isBefore(after), true, time + ' before-change ' + tz)
-      t.equal(before.timezone().current.isDST, true, time + ' dst-on ' + tz)
+      t.equal(before.timezone().current.isDST, false, time + ' dst-off ' + tz)
       before = before.add(10, 'minutes')
     }
     for (let i = 0; i < 14; i += 1) {
       let time = before.time()
-      t.equal(before.timezone().current.isDST, false, time + ' dst-now-off ' + tz)
+      t.equal(before.timezone().current.isDST, true, time + ' dst-now-on ' + tz)
       before = before.add(10, 'minutes')
     }
   })
   t.end()
 })
+
+// test('north-increment-fall', (t) => {
+//   zones.forEach((tz) => {
+//     // get fall dst change
+//     let dstStr = spacetime().timezones[tz].dst
+//     let change = dstParse(dstStr, 1)
+//     //create a date 2mins after dst change
+//     let after = spacetime(change, tz)
+//     // create a time 2hrs before a dst change (-3hrs)
+//     let before = after.clone().minus(3, 'hours')
+//     // start rolling towards the dst shift (but don't hit it)
+//     for (let i = 0; i < 12; i += 1) {
+//       let time = before.time()
+//       t.equal(before.isBefore(after), true, time + ' before-change ' + tz)
+//       t.equal(before.timezone().current.isDST, true, time + ' dst-on ' + tz)
+//       before = before.add(10, 'minutes')
+//     }
+//     for (let i = 0; i < 14; i += 1) {
+//       let time = before.time()
+//       t.equal(before.timezone().current.isDST, false, time + ' dst-now-off ' + tz)
+//       before = before.add(10, 'minutes')
+//     }
+//   })
+//   t.end()
+// })