// Copyright 2009 the Sputnik authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- info: > Result of number conversion from object value is the result of conversion from primitive value es5id: 9.3_A5_T1 description: > new Number(), new Number(0), new Number(Number.NaN), new Number(null), new Number(void 0) and others convert to Number by explicit transformation ---*/ // CHECK#1 if (Number(new Number()) !== 0) { $ERROR('#1: Number(new Number()) === 0. Actual: ' + (Number(new Number()))); } // CHECK#2 if (Number(new Number(0)) !== 0) { $ERROR('#2: Number(new Number(0)) === 0. Actual: ' + (Number(new Number(0)))); } // CHECK#3 assert.sameValue(Number(new Number(NaN)), NaN, "Number(new Number(NaN)"); // CHECK#4 if (Number(new Number(null)) !== 0) { $ERROR('#4.1: Number(new Number(null)) === 0. Actual: ' + (Number(new Number(null)))); } else { if (1/Number(new Number(null)) !== Number.POSITIVE_INFINITY) { $ERROR('#4.2: Number(new Number(null)) === +0. Actual: -0'); } } // CHECK#5 assert.sameValue(Number(new Number(void 0)), NaN, "Number(new Number(void 0)"); // CHECK#6 if (Number(new Number(true)) !== 1) { $ERROR('#6: Number(new Number(true)) === 1. Actual: ' + (Number(new Number(true)))); } // CHECK#7 if (Number(new Number(false)) !== +0) { $ERROR('#7.1: Number(new Number(false)) === 0. Actual: ' + (Number(new Number(false)))); } else { if (1/Number(new Number(false)) !== Number.POSITIVE_INFINITY) { $ERROR('#7.2: Number(new Number(false)) === +0. Actual: -0'); } } // CHECK#8 if (Number(new Boolean(true)) !== 1) { $ERROR('#8: Number(new Boolean(true)) === 1. Actual: ' + (Number(new Boolean(true)))); } // CHECK#9 if (Number(new Boolean(false)) !== +0) { $ERROR('#9.1: Number(new Boolean(false)) === 0. Actual: ' + (Number(new Boolean(false)))); } else { if (1/Number(new Boolean(false)) !== Number.POSITIVE_INFINITY) { $ERROR('#9.2: Number(new Boolean(false)) === +0. Actual: -0'); } } // CHECK#10 assert.sameValue(Number(new Array(2,4,8,16,32)), NaN, "Number(new Array(2,4,8,16,32))"); // CHECK#11 var myobj1 = { ToNumber : function(){return 12345;}, toString : function(){return "67890";}, valueOf : function(){return "[object MyObj]";} }; assert.sameValue(Number(myobj1), NaN, "Number(myobj1)"); // CHECK#12 var myobj2 = { ToNumber : function(){return 12345;}, toString : function(){return "67890";}, valueOf : function(){return "9876543210";} }; if (Number(myobj2) !== 9876543210){ $ERROR("#12: Number(myobj2) calls ToPrimitive with hint Number. Exptected: 9876543210. Actual: " + (Number(myobj2))); } // CHECK#13 var myobj3 = { ToNumber : function(){return 12345;}, toString : function(){return "[object MyObj]";} }; assert.sameValue(Number(myobj3), NaN, "Number(myobj3)"); // CHECK#14 var myobj4 = { ToNumber : function(){return 12345;}, toString : function(){return "67890";} }; if (Number(myobj4) !== 67890){ $ERROR("#14: Number(myobj4) calls ToPrimitive with hint Number. Exptected: 67890. Actual: " + (Number(myobj4))); } // CHECK#15 var myobj5 = { ToNumber : function(){return 12345;} }; assert.sameValue(Number(myobj5), NaN, "Number(myobj5)");