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27
28// Tests time zone names.
29
30// Winter date (PST).
31var winter = new Date(2013, 1, 12, 14, 42, 53, 0);
32
33// Summer date (PDT).
34var summer = new Date(2013, 7, 12, 14, 42, 53, 0);
35
36// Common flags for both formatters.
37var flags = {
38  year: 'numeric', month: 'long', day: 'numeric',
39  hour : '2-digit', minute : '2-digit', second : '2-digit',
40  timeZone: 'America/Los_Angeles'
41};
42
43flags.timeZoneName = "short";
44var dfs = new Intl.DateTimeFormat('en-US', flags);
45
46assertTrue(dfs.format(winter).indexOf('PST') !== -1);
47assertTrue(dfs.format(summer).indexOf('PDT') !== -1);
48
49flags.timeZoneName = "long";
50var dfl = new Intl.DateTimeFormat('en-US', flags);
51
52assertTrue(dfl.format(winter).indexOf('Pacific Standard Time') !== -1);
53assertTrue(dfl.format(summer).indexOf('Pacific Daylight Time') !== -1);
54