mirror of https://github.com/tc39/test262.git
104 lines
2.9 KiB
JavaScript
104 lines
2.9 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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assert.sameValue(Number(new Number()), 0, 'Number(new Number()) must return 0');
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assert.sameValue(Number(new Number(0)), 0, 'Number(new Number(0)) must return 0');
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// CHECK#3
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assert.sameValue(Number(new Number(NaN)), NaN, 'Number(new Number(NaN)) returns NaN');
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assert.sameValue(Number(new Number(null)), 0, 'Number(new Number(null)) must return 0');
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// CHECK#5
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assert.sameValue(Number(new Number(void 0)), NaN, 'Number(new Number(void 0)) returns NaN');
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assert.sameValue(Number(new Number(true)), 1, 'Number(new Number(true)) must return 1');
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assert.sameValue(Number(new Number(false)), +0, 'Number(new Number(false)) must return +0');
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assert.sameValue(Number(new Boolean(true)), 1, 'Number(new Boolean(true)) must return 1');
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assert.sameValue(Number(new Boolean(false)), +0, 'Number(new Boolean(false)) must return +0');
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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)) returns NaN');
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// CHECK#11
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var myobj1 = {
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ToNumber: function() {
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return 12345;
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},
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toString: function() {
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return "67890";
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},
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valueOf: function() {
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return "[object MyObj]";
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}
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};
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assert.sameValue(Number(myobj1), NaN, 'Number("{ToNumber: function() {return 12345;}, toString: function() {return "67890";}, valueOf: function() {return "[object MyObj]";}}) returns NaN');
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// CHECK#12
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var myobj2 = {
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ToNumber: function() {
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return 12345;
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},
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toString: function() {
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return "67890";
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},
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valueOf: function() {
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return "9876543210";
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}
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};
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assert.sameValue(
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Number(myobj2),
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9876543210,
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'Number("{ToNumber: function() {return 12345;}, toString: function() {return "67890";}, valueOf: function() {return "9876543210";}}) must return 9876543210'
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);
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// CHECK#13
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var myobj3 = {
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ToNumber: function() {
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return 12345;
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},
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toString: function() {
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return "[object MyObj]";
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}
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};
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assert.sameValue(Number(myobj3), NaN, 'Number("{ToNumber: function() {return 12345;}, toString: function() {return "[object MyObj]";}}) returns NaN');
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// CHECK#14
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var myobj4 = {
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ToNumber: function() {
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return 12345;
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},
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toString: function() {
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return "67890";
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}
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};
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assert.sameValue(
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Number(myobj4),
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67890,
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'Number("{ToNumber: function() {return 12345;}, toString: function() {return "67890";}}) must return 67890'
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);
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// CHECK#15
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var myobj5 = {
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ToNumber: function() {
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return 12345;
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}
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};
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assert.sameValue(Number(myobj5), NaN, 'Number({ToNumber: function() {return 12345;}}) returns NaN');
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