The Tor Browser: js/src/tests/ecma_6/Map/NaN-as-key.js@b8a032363ba2

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

     1 /*

     2  * Any copyright is dedicated to the Public Domain.

     3  * http://creativecommons.org/licenses/publicdomain/

     4  */

     6 //-----------------------------------------------------------------------------

     7 var BUGNUMBER = 722260;

     8 var summary = 'All NaNs must be treated as identical keys for Map';

    10 print(BUGNUMBER + ": " + summary);

    12 /**************

    13  * BEGIN TEST *

    14  **************/

    16 /* Avoid constant-folding that would happen were |undefined| to be used. */

    17 var key = -/a/g.missingProperty;

    19 var m = new Map();

    20 m.set(key, 17);

    21 assertEq(m.get(key), 17);

    22 assertEq(m.get(-key), 17);

    23 assertEq(m.get(NaN), 17);

    25 m.delete(-key);

    26 assertEq(m.has(key), false);

    27 assertEq(m.has(-key), false);

    28 assertEq(m.has(NaN), false);

    30 m.set(-key, 17);

    31 assertEq(m.get(key), 17);

    32 assertEq(m.get(-key), 17);

    33 assertEq(m.get(NaN), 17);

    35 m.delete(NaN);

    36 assertEq(m.has(key), false);

    37 assertEq(m.has(-key), false);

    38 assertEq(m.has(NaN), false);

    40 m.set(NaN, 17);

    41 assertEq(m.get(key), 17);

    42 assertEq(m.get(-key), 17);

    43 assertEq(m.get(NaN), 17);

    45 m.delete(key);

    46 assertEq(m.has(key), false);

    47 assertEq(m.has(-key), false);

    48 assertEq(m.has(NaN), false);

    50 /******************************************************************************/

    52 if (typeof reportCompare === "function")

    53   reportCompare(true, true);

    55 print("Tests complete");

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