tor-browser

The Tor Browser
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instant-string.js (2089B)

      1 // |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
      2 // Copyright (C) 2021 Igalia, S.L. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 
      5 /*---
      6 esid: sec-temporal.instant.from
      7 description: Conversion of ISO date-time strings to Temporal.Instant instances
      8 features: [Temporal]
      9 ---*/
     10 
     11 let str = "1970-01-01T00:00";
     12 assert.throws(RangeError, () => Temporal.Instant.from(str), "bare date-time string is not an instant");
     13 str = "1970-01-01T00:00[UTC]";
     14 assert.throws(RangeError, () => Temporal.Instant.from(str), "date-time + IANA annotation is not an instant");
     15 
     16 str = "1970-01-01T00:00Z";
     17 const result1 = Temporal.Instant.from(str);
     18 assert.sameValue(result1.epochNanoseconds, 0n, "date-time + Z preserves exact time");
     19 
     20 str = "1970-01-01T00:00+01:00";
     21 const result2 = Temporal.Instant.from(str);
     22 assert.sameValue(result2.epochNanoseconds, -3600_000_000_000n, "date-time + offset preserves exact time with offset");
     23 
     24 str = "1970-01-01T00:00Z[Etc/Ignored]";
     25 const result3 = Temporal.Instant.from(str);
     26 assert.sameValue(result3.epochNanoseconds, 0n, "date-time + Z + IANA annotation ignores the IANA annotation");
     27 
     28 str = "1970-01-01T00:00+01:00[Etc/Ignored]";
     29 const result4 = Temporal.Instant.from(str);
     30 assert.sameValue(result4.epochNanoseconds, -3600_000_000_000n, "date-time + offset + IANA annotation ignores the IANA annotation");
     31 
     32 str = "1970-01-01T00:00Z[u-ca=hebrew]";
     33 const result6 = Temporal.Instant.from(str);
     34 assert.sameValue(result6.epochNanoseconds, 0n, "date-time + Z + Calendar ignores the Calendar");
     35 
     36 str = "1970-01-01T00:00+01:00[u-ca=hebrew]";
     37 const result7 = Temporal.Instant.from(str);
     38 assert.sameValue(result7.epochNanoseconds, -3600_000_000_000n, "date-time + offset + Calendar ignores the Calendar");
     39 
     40 str = "1970-01-01T00:00+01:00[Etc/Ignored][u-ca=hebrew]";
     41 const result8 = Temporal.Instant.from(str);
     42 assert.sameValue(result8.epochNanoseconds, -3600_000_000_000n, "date-time + offset + IANA annotation + Calendar ignores the Calendar and IANA annotation");
     43 
     44 reportCompare(0, 0);