michael@0: // Any copyright is dedicated to the Public Domain.
michael@0: // http://creativecommons.org/licenses/publicdomain/
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: print("Test for correct implementation of |Date == boolean| and vice versa");
michael@0: 
michael@0: /**************
michael@0:  * BEGIN TEST *
michael@0:  **************/
michael@0: 
michael@0: Date.prototype.toString = function() { return 1; };
michael@0: Date.prototype.valueOf = function() { return 0; };
michael@0: 
michael@0: /*
michael@0:  * ES5 11.9.3 doesn't directly handle obj == boolean.  Instead it translates it
michael@0:  * as follows:
michael@0:  *
michael@0:  *   obj == boolean
michael@0:  *   ↳ obj == ToNumber(boolean), per step 7
michael@0:  *     ↳ ToPrimitive(obj) == ToNumber(boolean), per step 9
michael@0:  *
michael@0:  * ToPrimitive calls [[DefaultValue]] with no hint.  For Date objects this is
michael@0:  * treated as if it were instead called with hint String.  That calls toString,
michael@0:  * which returns 1, so Date objects here should compare equal to true and
michael@0:  * unequal to false.
michael@0:  */
michael@0: assertEq(new Date == true, true);
michael@0: assertEq(new Date == false, false);
michael@0: 
michael@0: /* == is symmetric. */
michael@0: assertEq(true == new Date, true);
michael@0: assertEq(false == new Date, false);
michael@0: 
michael@0: /******************************************************************************/
michael@0: 
michael@0: if (typeof reportCompare === "function")
michael@0:   reportCompare(true, true);
michael@0: 
michael@0: print("Tests complete");