mirror of https://github.com/tc39/test262.git
116 lines
3.4 KiB
JavaScript
116 lines
3.4 KiB
JavaScript
// Copyright 2009 the Sputnik authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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info: >
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Result of number conversion from object value is the result
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of conversion from primitive value
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es5id: 9.3_A5_T1
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description: >
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new Number(), new Number(0), new Number(Number.NaN), new
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Number(null), new Number(void 0) and others convert to Number by
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explicit transformation
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---*/
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// CHECK#1
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if (Number(new Number()) !== 0) {
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$ERROR('#1: Number(new Number()) === 0. Actual: ' + (Number(new Number())));
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}
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// CHECK#2
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if (Number(new Number(0)) !== 0) {
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$ERROR('#2: Number(new Number(0)) === 0. Actual: ' + (Number(new Number(0))));
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}
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// CHECK#3
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assert.sameValue(Number(new Number(NaN)), NaN, "Number(new Number(NaN)");
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// CHECK#4
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if (Number(new Number(null)) !== 0) {
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$ERROR('#4.1: Number(new Number(null)) === 0. Actual: ' + (Number(new Number(null))));
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} else {
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if (1/Number(new Number(null)) !== Number.POSITIVE_INFINITY) {
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$ERROR('#4.2: Number(new Number(null)) === +0. Actual: -0');
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}
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}
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// CHECK#5
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assert.sameValue(Number(new Number(void 0)), NaN, "Number(new Number(void 0)");
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// CHECK#6
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if (Number(new Number(true)) !== 1) {
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$ERROR('#6: Number(new Number(true)) === 1. Actual: ' + (Number(new Number(true))));
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}
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// CHECK#7
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if (Number(new Number(false)) !== +0) {
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$ERROR('#7.1: Number(new Number(false)) === 0. Actual: ' + (Number(new Number(false))));
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} else {
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if (1/Number(new Number(false)) !== Number.POSITIVE_INFINITY) {
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$ERROR('#7.2: Number(new Number(false)) === +0. Actual: -0');
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}
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}
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// CHECK#8
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if (Number(new Boolean(true)) !== 1) {
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$ERROR('#8: Number(new Boolean(true)) === 1. Actual: ' + (Number(new Boolean(true))));
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}
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// CHECK#9
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if (Number(new Boolean(false)) !== +0) {
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$ERROR('#9.1: Number(new Boolean(false)) === 0. Actual: ' + (Number(new Boolean(false))));
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} else {
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if (1/Number(new Boolean(false)) !== Number.POSITIVE_INFINITY) {
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$ERROR('#9.2: Number(new Boolean(false)) === +0. Actual: -0');
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}
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}
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// CHECK#10
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assert.sameValue(Number(new Array(2,4,8,16,32)), NaN, "Number(new Array(2,4,8,16,32))");
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// CHECK#11
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var myobj1 = {
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ToNumber : function(){return 12345;},
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toString : function(){return "67890";},
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valueOf : function(){return "[object MyObj]";}
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};
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assert.sameValue(Number(myobj1), NaN, "Number(myobj1)");
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// CHECK#12
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var myobj2 = {
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ToNumber : function(){return 12345;},
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toString : function(){return "67890";},
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valueOf : function(){return "9876543210";}
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};
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if (Number(myobj2) !== 9876543210){
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$ERROR("#12: Number(myobj2) calls ToPrimitive with hint Number. Exptected: 9876543210. Actual: " + (Number(myobj2)));
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}
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// CHECK#13
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var myobj3 = {
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ToNumber : function(){return 12345;},
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toString : function(){return "[object MyObj]";}
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};
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assert.sameValue(Number(myobj3), NaN, "Number(myobj3)");
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// CHECK#14
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var myobj4 = {
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ToNumber : function(){return 12345;},
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toString : function(){return "67890";}
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};
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if (Number(myobj4) !== 67890){
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$ERROR("#14: Number(myobj4) calls ToPrimitive with hint Number. Exptected: 67890. Actual: " + (Number(myobj4)));
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}
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// CHECK#15
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var myobj5 = {
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ToNumber : function(){return 12345;}
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};
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assert.sameValue(Number(myobj5), NaN, "Number(myobj5)");
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