michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: 
michael@0: /*
michael@0:  * Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/licenses/publicdomain/
michael@0:  */
michael@0: 
michael@0: var obj = {}
michael@0: 
michael@0: function strict() { "use strict"; return this; }
michael@0: assertEq(strict.call(""), "");
michael@0: assertEq(strict.call(true), true);
michael@0: assertEq(strict.call(42), 42);
michael@0: assertEq(strict.call(null), null);
michael@0: assertEq(strict.call(undefined), undefined);
michael@0: assertEq(strict.call(obj), obj);
michael@0: assertEq(new strict() instanceof Object, true);
michael@0: 
michael@0: /* 
michael@0:  * The compiler internally converts x['foo'] to x.foo. Writing x[s] where
michael@0:  * s='foo' is enough to throw it off the scent for now.
michael@0:  */
michael@0: var strictString = 'strict';
michael@0: 
michael@0: Boolean.prototype.strict = strict;
michael@0: assertEq(true.strict(), true);
michael@0: assertEq(true[strictString](), true);
michael@0: 
michael@0: Number.prototype.strict = strict;
michael@0: assertEq((42).strict(), 42);
michael@0: assertEq(42[strictString](), 42);
michael@0: 
michael@0: String.prototype.strict = strict;
michael@0: assertEq("".strict(), "");
michael@0: assertEq(""[strictString](), "");
michael@0: 
michael@0: function lenient() { return this; }
michael@0: assertEq(lenient.call("") instanceof String, true);
michael@0: assertEq(lenient.call(true) instanceof Boolean, true);
michael@0: assertEq(lenient.call(42) instanceof Number, true);
michael@0: assertEq(lenient.call(null), this);
michael@0: assertEq(lenient.call(undefined), this);
michael@0: assertEq(lenient.call(obj), obj);
michael@0: assertEq(new lenient() instanceof Object, true);
michael@0: 
michael@0: var lenientString = 'lenient';
michael@0: 
michael@0: Boolean.prototype.lenient = lenient;
michael@0: assertEq(true.lenient() instanceof Boolean, true);
michael@0: assertEq(true[lenientString]() instanceof Boolean, true);
michael@0: 
michael@0: Number.prototype.lenient = lenient;
michael@0: assertEq(42[lenientString]() instanceof Number, true);
michael@0: 
michael@0: String.prototype.lenient = lenient;
michael@0: assertEq(""[lenientString]() instanceof String, true);
michael@0: 
michael@0: reportCompare(true, true);