31 assertEquals(getDefaultTimeZone(), df.resolvedOptions().timeZone);
33 df = Intl.DateTimeFormat(undefined, {timeZone: 'UtC'});  property
34 assertEquals('UTC', df.resolvedOptions().timeZone);
36 df = Intl.DateTimeFormat(undefined, {timeZone: 'gmt'});  property
37 assertEquals('UTC', df.resolvedOptions().timeZone);
39 df = Intl.DateTimeFormat(undefined, {timeZone: 'America/Los_Angeles'});  property
40 assertEquals('America/Los_Angeles', df.resolvedOptions().timeZone);
42 df = Intl.DateTimeFormat(undefined, {timeZone: 'Europe/Belgrade'});  property
43 assertEquals('Europe/Belgrade', df.resolvedOptions().timeZone);
46 df = Intl.DateTimeFormat(undefined, {timeZone: 'Etc/UTC'});  property
47 assertEquals('UTC', df.resolvedOptions().timeZone);
49 df = Intl.DateTimeFormat(undefined, {timeZone: 'Etc/GMT'});  property
50 assertEquals('UTC', df.resolvedOptions().timeZone);
52 df = Intl.DateTimeFormat(undefined, {timeZone: 'euRope/beLGRade'});  property
53 assertEquals('Europe/Belgrade', df.resolvedOptions().timeZone);