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// 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)");
|
