10   df = new Intl.DateTimeFormat('en-US', {'timeZone': 'eUrope/isLe_OF_man'})  property
13   df = new Intl.DateTimeFormat('en-US', {'timeZone': 'africa/Dar_eS_salaam'})  property
16   df = new Intl.DateTimeFormat('en-US', {'timeZone': 'America/port_of_spain'})  property
20   df = new Intl.DateTimeFormat('en-US', {'timeZone': 'America/north_Dakota/new_salem'})  property
25   df1 = new Intl.DateTimeFormat('en-US', {'timeZone': 'America/aRgentina/buenos_aIres'})  property
26   df2 = new Intl.DateTimeFormat('en-US', {'timeZone': 'America/Argentina/Buenos_Aires'})  property
29   df2 = new Intl.DateTimeFormat('en-US', {'timeZone': 'America/Buenos_Aires'})  property
32   df1 = new Intl.DateTimeFormat('en-US', {'timeZone': 'America/Indiana/Indianapolis'})  property
33   df2 = new Intl.DateTimeFormat('en-US', {'timeZone': 'America/Indianapolis'})  property
42   df = new Intl.DateTimeFormat('en-US', {'timeZone': 'America/port-aU-pRince'})  property
46   df1 = new Intl.DateTimeFormat('en-US', {'timeZone': 'Asia/Ho_Chi_Minh'})  property
47   df2 = new Intl.DateTimeFormat('en-US', {'timeZone': 'Asia/Saigon'})  property
51   assertThrows(() => Intl.DateTimeFormat(undefined, {timeZone: 'Europe/_Paris'}));  property
52   assertThrows(() => Intl.DateTimeFormat(undefined, {timeZone: 'America/New__York'}));  property
53   assertThrows(() => Intl.DateTimeFormat(undefined, {timeZone: 'America//New_York'}));  property
54   assertThrows(() => Intl.DateTimeFormat(undefined, {timeZone: 'America/New_York_'}));  property
55   assertThrows(() => Intl.DateTimeFormat(undefined, {timeZone: 'America/New_Y0rk'}));  property