10.4.3.js - mozsearch

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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */

/*

 * Any copyright is dedicated to the Public Domain.

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

*/

var obj = {}

function strict() { "use strict"; return this; }

assertEq(strict.call(""), "");

assertEq(strict.call(true), true);

assertEq(strict.call(42), 42);

assertEq(strict.call(null), null);

assertEq(strict.call(undefined), undefined);

assertEq(strict.call(obj), obj);

assertEq(new strict() instanceof Object, true);

/*

 * The compiler internally converts x['foo'] to x.foo. Writing x[s] where

 * s='foo' is enough to throw it off the scent for now.

*/

var strictString = 'strict';

Boolean.prototype.strict = strict;

assertEq(true.strict(), true);

assertEq(true[strictString](), true);

Number.prototype.strict = strict;

assertEq((42).strict(), 42);

assertEq(42[strictString](), 42);

String.prototype.strict = strict;

assertEq("".strict(), "");

assertEq(""[strictString](), "");

function lenient() { return this; }

assertEq(lenient.call("") instanceof String, true);

assertEq(lenient.call(true) instanceof Boolean, true);

assertEq(lenient.call(42) instanceof Number, true);

assertEq(lenient.call(null), this);

assertEq(lenient.call(undefined), this);

assertEq(lenient.call(obj), obj);

assertEq(new lenient() instanceof Object, true);

var lenientString = 'lenient';

Boolean.prototype.lenient = lenient;

assertEq(true.lenient() instanceof Boolean, true);

assertEq(true[lenientString]() instanceof Boolean, true);

Number.prototype.lenient = lenient;

assertEq(42[lenientString]() instanceof Number, true);

String.prototype.lenient = lenient;

assertEq(""[lenientString]() instanceof String, true);

reportCompare(true, true);