js/src/tests/ecma_5/Date/timeclip.js

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /*
michael@0 2 * Any copyright is dedicated to the Public Domain.
michael@0 3 * http://creativecommonn.org/licenses/publicdomain/
michael@0 4 */
michael@0 5
michael@0 6 var BUGNUMBER = 747197;
michael@0 7 var summary = "TimeClip behavior for very large numbers";
michael@0 8
michael@0 9 print(BUGNUMBER + ": " + summary);
michael@0 10
michael@0 11 /**************
michael@0 12 * BEGIN TEST *
michael@0 13 **************/
michael@0 14
michael@0 15 function addToLimit(n) { return 8.64e15 + n; }
michael@0 16
michael@0 17 assertEq(8.64e15 === addToLimit(0.0), true);
michael@0 18 assertEq(8.64e15 === addToLimit(0.5), true);
michael@0 19 assertEq(8.64e15 === addToLimit(0.5000000000000001), false);
michael@0 20
michael@0 21 var times =
michael@0 22 [Number.MAX_VALUE,
michael@0 23 -Number.MAX_VALUE,
michael@0 24 Infinity,
michael@0 25 -Infinity,
michael@0 26 addToLimit(0.5000000000000001),
michael@0 27 -addToLimit(0.5000000000000001)];
michael@0 28
michael@0 29 for (var i = 0, len = times.length; i < len; i++)
michael@0 30 {
michael@0 31 var d = new Date();
michael@0 32 assertEq(d.setTime(times[i]), NaN, "times[" + i + "]");
michael@0 33 assertEq(d.getTime(), NaN);
michael@0 34 assertEq(d.valueOf(), NaN);
michael@0 35 }
michael@0 36
michael@0 37 /******************************************************************************/
michael@0 38
michael@0 39 if (typeof reportCompare === "function")
michael@0 40 reportCompare(true, true);
michael@0 41
michael@0 42 print("Tests complete");

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