34 df = Intl.DateTimeFormat(undefined, {timeZone: 'UtC'});  property
35 assertEquals('UTC', df.resolvedOptions().timeZone);
37 df = Intl.DateTimeFormat(undefined, {timeZone: 'gmt'});  property
38 assertEquals('UTC', df.resolvedOptions().timeZone);
40 df = Intl.DateTimeFormat(undefined, {timeZone: 'America/Los_Angeles'});  property
41 assertEquals('America/Los_Angeles', df.resolvedOptions().timeZone);
43 df = Intl.DateTimeFormat(undefined, {timeZone: 'Europe/Belgrade'});  property
44 assertEquals('Europe/Belgrade', df.resolvedOptions().timeZone);
47 df = Intl.DateTimeFormat(undefined, {timeZone: 'Etc/UTC'});  property
48 assertEquals('UTC', df.resolvedOptions().timeZone);
50 df = Intl.DateTimeFormat(undefined, {timeZone: 'Etc/GMT'});  property
51 assertEquals('UTC', df.resolvedOptions().timeZone);
53 df = Intl.DateTimeFormat(undefined, {timeZone: 'euRope/beLGRade'});  property
54 assertEquals('Europe/Belgrade', df.resolvedOptions().timeZone);