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93 lines
3.4 KiB
JavaScript
93 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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* The unshift function is intentionally generic.
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* It does not require that its this value be an Array object
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*
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* @path ch15/15.4/15.4.4/15.4.4.13/S15.4.4.13_A2_T3.js
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* @description Operator use ToNumber from length.
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* If Type(value) is Object, evaluate ToPrimitive(value, Number)
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*/
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var obj = {};
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obj.unshift = Array.prototype.unshift;
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//CHECK#1
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obj.length = {valueOf: function() {return 3}};
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var unshift = obj.unshift();
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if (unshift !== 3) {
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$ERROR('#1: obj.length = {valueOf: function() {return 3}} obj.unshift() === 3. Actual: ' + (unshift));
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}
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//CHECK#2
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obj.length = {valueOf: function() {return 3}, toString: function() {return 1}};
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var unshift = obj.unshift();
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if (unshift !== 3) {
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$ERROR('#0: obj.length = {valueOf: function() {return 3}, toString: function() {return 1}} obj.unshift() === 3. Actual: ' + (unshift));
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}
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//CHECK#3
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obj.length = {valueOf: function() {return 3}, toString: function() {return {}}};
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var unshift = obj.unshift();
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if (unshift !== 3) {
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$ERROR('#1: obj.length = {valueOf: function() {return 3}, toString: function() {return {}}} obj.unshift() === 3. Actual: ' + (unshift));
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}
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//CHECK#4
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try {
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obj.length = {valueOf: function() {return 3}, toString: function() {throw "error"}};
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var unshift = obj.unshift();
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if (unshift !== 3) {
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$ERROR('#4.1: obj.length = {valueOf: function() {return 3}, toString: function() {throw "error"}}; obj.unshift() === ",". Actual: ' + (unshift));
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}
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}
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catch (e) {
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if (e === "error") {
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$ERROR('#4.2: obj.length = {valueOf: function() {return 3}, toString: function() {throw "error"}}; obj.unshift() not throw "error"');
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} else {
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$ERROR('#4.3: obj.length = {valueOf: function() {return 3}, toString: function() {throw "error"}}; obj.unshift() not throw Error. Actual: ' + (e));
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}
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}
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//CHECK#5
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obj.length = {toString: function() {return 1}};
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var unshift = obj.unshift();
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if (unshift !== 1) {
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$ERROR('#5: obj.length = {toString: function() {return 1}} obj.unshift() === 1. Actual: ' + (unshift));
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}
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//CHECK#6
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obj.length = {valueOf: function() {return {}}, toString: function() {return 1}}
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var unshift = obj.unshift();
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if (unshift !== 1) {
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$ERROR('#6: obj.length = {valueOf: function() {return {}}, toString: function() {return 1}} obj.unshift() === 1. Actual: ' + (unshift));
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}
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//CHECK#7
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try {
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obj.length = {valueOf: function() {throw "error"}, toString: function() {return 1}};
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var unshift = obj.unshift();
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$ERROR('#7.1: obj.length = {valueOf: function() {throw "error"}, toString: function() {return 1}}; obj.unshift() throw "error". Actual: ' + (unshift));
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}
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catch (e) {
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if (e !== "error") {
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$ERROR('#7.2: obj.length = {valueOf: function() {throw "error"}, toString: function() {return 1}}; obj.unshift() throw "error". Actual: ' + (e));
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}
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}
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//CHECK#8
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try {
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obj.length = {valueOf: function() {return {}}, toString: function() {return {}}};
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var unshift = obj.unshift();
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$ERROR('#8.1: obj.length = {valueOf: function() {return {}}, toString: function() {return {}}} obj.unshift() throw TypeError. Actual: ' + (unshift));
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}
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catch (e) {
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if ((e instanceof TypeError) !== true) {
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$ERROR('#8.2: obj.length = {valueOf: function() {return {}}, toString: function() {return {}}} obj.unshift() throw TypeError. Actual: ' + (e));
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}
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}
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