js/src/tests/ecma_5/Array/length-01.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/ecma_5/Array/length-01.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,71 @@
     1.4 +/*
     1.5 + * Any copyright is dedicated to the Public Domain.
     1.6 + * http://creativecommons.org/licenses/publicdomain/
     1.7 + * Contributor:
     1.8 + *   Jeff Walden <jwalden+code@mit.edu>
     1.9 + */
    1.10 +
    1.11 +//-----------------------------------------------------------------------------
    1.12 +var BUGNUMBER = 600392;
    1.13 +var summary =
    1.14 +  'Object.preventExtensions([]).length = 0 should do nothing, not throw';
    1.15 +
    1.16 +print(BUGNUMBER + ": " + summary);
    1.17 +
    1.18 +/**************
    1.19 + * BEGIN TEST *
    1.20 + **************/
    1.21 +
    1.22 +
    1.23 +function testEmpty()
    1.24 +{
    1.25 +  var a = [];
    1.26 +  assertEq(a.length, 0);
    1.27 +  assertEq(Object.preventExtensions(a), a);
    1.28 +  assertEq(a.length, 0);
    1.29 +  a.length = 0;
    1.30 +  assertEq(a.length, 0);
    1.31 +}
    1.32 +testEmpty();
    1.33 +
    1.34 +function testEmptyStrict()
    1.35 +{
    1.36 +  "use strict";
    1.37 +  var a = [];
    1.38 +  assertEq(a.length, 0);
    1.39 +  assertEq(Object.preventExtensions(a), a);
    1.40 +  assertEq(a.length, 0);
    1.41 +  a.length = 0;
    1.42 +  assertEq(a.length, 0);
    1.43 +}
    1.44 +testEmptyStrict();
    1.45 +
    1.46 +function testNonEmpty()
    1.47 +{
    1.48 +  var a = [1, 2, 3];
    1.49 +  assertEq(a.length, 3);
    1.50 +  assertEq(Object.preventExtensions(a), a);
    1.51 +  assertEq(a.length, 3);
    1.52 +  a.length = 0;
    1.53 +  assertEq(a.length, 0);
    1.54 +}
    1.55 +testNonEmpty();
    1.56 +
    1.57 +function testNonEmptyStrict()
    1.58 +{
    1.59 +  "use strict";
    1.60 +  var a = [1, 2, 3];
    1.61 +  assertEq(a.length, 3);
    1.62 +  assertEq(Object.preventExtensions(a), a);
    1.63 +  assertEq(a.length, 3);
    1.64 +  a.length = 0;
    1.65 +  assertEq(a.length, 0);
    1.66 +}
    1.67 +testNonEmptyStrict();
    1.68 +
    1.69 +/******************************************************************************/
    1.70 +
    1.71 +if (typeof reportCompare === "function")
    1.72 +  reportCompare(true, true);
    1.73 +
    1.74 +print("All tests passed!");

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