js/src/tests/ecma_6/Map/NaN-as-key.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/ecma_6/Map/NaN-as-key.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,55 @@
     1.4 +/*
     1.5 + * Any copyright is dedicated to the Public Domain.
     1.6 + * http://creativecommons.org/licenses/publicdomain/
     1.7 + */
     1.8 +
     1.9 +//-----------------------------------------------------------------------------
    1.10 +var BUGNUMBER = 722260;
    1.11 +var summary = 'All NaNs must be treated as identical keys for Map';
    1.12 +
    1.13 +print(BUGNUMBER + ": " + summary);
    1.14 +
    1.15 +/**************
    1.16 + * BEGIN TEST *
    1.17 + **************/
    1.18 +
    1.19 +/* Avoid constant-folding that would happen were |undefined| to be used. */
    1.20 +var key = -/a/g.missingProperty;
    1.21 +
    1.22 +var m = new Map();
    1.23 +m.set(key, 17);
    1.24 +assertEq(m.get(key), 17);
    1.25 +assertEq(m.get(-key), 17);
    1.26 +assertEq(m.get(NaN), 17);
    1.27 +
    1.28 +m.delete(-key);
    1.29 +assertEq(m.has(key), false);
    1.30 +assertEq(m.has(-key), false);
    1.31 +assertEq(m.has(NaN), false);
    1.32 +
    1.33 +m.set(-key, 17);
    1.34 +assertEq(m.get(key), 17);
    1.35 +assertEq(m.get(-key), 17);
    1.36 +assertEq(m.get(NaN), 17);
    1.37 +
    1.38 +m.delete(NaN);
    1.39 +assertEq(m.has(key), false);
    1.40 +assertEq(m.has(-key), false);
    1.41 +assertEq(m.has(NaN), false);
    1.42 +
    1.43 +m.set(NaN, 17);
    1.44 +assertEq(m.get(key), 17);
    1.45 +assertEq(m.get(-key), 17);
    1.46 +assertEq(m.get(NaN), 17);
    1.47 +
    1.48 +m.delete(key);
    1.49 +assertEq(m.has(key), false);
    1.50 +assertEq(m.has(-key), false);
    1.51 +assertEq(m.has(NaN), false);
    1.52 +
    1.53 +/******************************************************************************/
    1.54 +
    1.55 +if (typeof reportCompare === "function")
    1.56 +  reportCompare(true, true);
    1.57 +
    1.58 +print("Tests complete");

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