tor-browser

The Tor Browser
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parse-milliseconds.js (2450B)

      1 /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
      2 /* This Source Code Form is subject to the terms of the Mozilla Public
      3 * License, v. 2.0. If a copy of the MPL was not distributed with this
      4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      5 
      6 const accepted = {
      7  "Sep 26 1995 12:34:56.789": "1995-09-26T12:34:56.789",
      8  "Sep 26 1995 12:34:56.7": "1995-09-26T12:34:56.700",
      9  "Sep 26 1995 12:34:56.78": "1995-09-26T12:34:56.780",
     10  "Sep 26 1995 12:34:56.001": "1995-09-26T12:34:56.001",
     11 
     12  "Sep 26 1995 12:34:56.789Z": "1995-09-26T12:34:56.789Z",
     13  "Sep 26 1995 12:34:56.789 -0500": "1995-09-26T12:34:56.789-0500",
     14  "Sep 26 1995 12:34:56.789-0500": "1995-09-26T12:34:56.789-0500",
     15 
     16  // Note that the trailing '.' without milliseconds is rejected.
     17  // Rejecting this case could be done trivially, but Chrome allows it,
     18  // so we will allow it for parity.
     19  "Sep 26 1995 12:34:56.789.": "1995-09-26T12:34:56.789",
     20 
     21  // Truncate after 3 digits
     22  "Sep 26 1995 12:34:56.0001": "1995-09-26T12:34:56",
     23  "Sep 26 1995 12:34:56.0009": "1995-09-26T12:34:56",
     24  "Sep 26 1995 12:34:56.999": "1995-09-26T12:34:56.999",
     25  "Sep 26 1995 12:34:56.9990": "1995-09-26T12:34:56.999",
     26  "Sep 26 1995 12:34:56.9999": "1995-09-26T12:34:56.999",
     27  // Before bug 746529, it would have rounded up here:
     28  "Sep 26 1995 12:34:56.99999999999999996": "1995-09-26T12:34:56.999",
     29  "Sep 26 1995 12:34:56.50099999999999996": "1995-09-26T12:34:56.500",
     30  "Sep 26 1995 12:34:56.00099999999999996": "1995-09-26T12:34:56",
     31  "Sep 26 1995 12:34:56.000999999999999999999": "1995-09-26T12:34:56",
     32 };
     33 const rejected = [
     34  "Sep 26 1995 12:34:56.",
     35  "Sep 26 1995 12:34:56:789",
     36  "Sep 26 1995 12:34:56..789",
     37 ];
     38 
     39 // Sanity check to make sure these are being parsed to the right precision
     40 // Otherwise, the comparisons in the above object could still pass
     41 assertEq(Date.parse("1970-01-01T00:00:00.99999999999999996Z"), 999);
     42 
     43 for (const [test, expected] of Object.entries(accepted)) {
     44  const testDate = new Date(test);
     45  const expectedDate = new Date(expected);
     46 
     47  assertEq(
     48    false, isNaN(testDate),
     49    `${test} should be accepted.`
     50  );
     51 
     52  assertEq(
     53    testDate.getTime(), expectedDate.getTime(),
     54    `"${test}" should be ${expectedDate} (got ${testDate}).`
     55  );
     56 }
     57 
     58 for (const reject of rejected) {
     59  assertEq(
     60    true, isNaN(new Date(reject)),
     61    `"${reject}" should be rejected.`
     62  );
     63 }
     64 
     65 if (typeof reportCompare === "function")
     66  reportCompare(true, true);