mirror of https://github.com/tc39/test262.git
285 lines
5.1 KiB
JavaScript
285 lines
5.1 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*---
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defines: [testDestructuringArrayDefault, formatArray, toSource]
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allow_unused: True
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---*/
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(function(global) {
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function func() {
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}
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class C {
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foo() {
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}
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static foo() {
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}
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}
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function test_one(pattern, val, opt) {
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var stmts = [];
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var i = 0;
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var c;
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stmts.push(`var ${pattern} = ${val};`);
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for (var stmt of stmts) {
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if (!opt.no_plain) {
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eval(`
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${stmt}
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`);
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}
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if (!opt.no_func) {
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eval(`
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function f${i}() {
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${stmt}
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}
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f${i}();
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`);
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i++;
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eval(`
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var f${i} = function foo() {
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${stmt}
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};
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f${i}();
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`);
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i++;
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eval(`
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var f${i} = () => {
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${stmt}
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};
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f${i}();
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`);
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i++;
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}
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if (!opt.no_gen) {
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eval(`
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function* g${i}() {
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${stmt}
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}
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[...g${i}()];
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`);
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i++;
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eval(`
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var g${i} = function* foo() {
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${stmt}
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};
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[...g${i}()];
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`);
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i++;
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}
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if (!opt.no_ctor) {
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eval(`
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class D${i} {
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constructor() {
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${stmt}
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}
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}
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new D${i}();
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`);
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i++;
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}
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if (!opt.no_derived_ctor) {
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if (opt.no_pre_super) {
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eval(`
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class D${i} extends C {
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constructor() {
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${stmt}
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try { super(); } catch (e) {}
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}
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}
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new D${i}();
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`);
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i++;
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} else {
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eval(`
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class D${i} extends C {
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constructor() {
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super();
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${stmt}
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}
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}
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new D${i}();
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`);
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i++;
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}
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}
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if (!opt.no_method) {
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eval(`
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class D${i} extends C {
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method() {
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${stmt}
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}
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static staticMethod() {
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${stmt}
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}
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}
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new D${i}().method();
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D${i}.staticMethod();
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`);
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i++;
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}
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}
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if (!opt.no_func_arg) {
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eval(`
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function f${i}(${pattern}) {}
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f${i}(${val});
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`);
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i++;
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eval(`
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var f${i} = function foo(${pattern}) {};
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f${i}(${val});
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`);
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i++;
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eval(`
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var f${i} = (${pattern}) => {};
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f${i}(${val});
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`);
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i++;
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}
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if (!opt.no_gen_arg) {
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eval(`
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function* g${i}(${pattern}) {}
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[...g${i}(${val})];
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`);
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i++;
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eval(`
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var g${i} = function* foo(${pattern}) {};
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[...g${i}(${val})];
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`);
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i++;
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}
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}
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function test(expr, opt={}) {
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var pattern = `[a=${expr}, ...c]`;
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test_one(pattern, "[]", opt);
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test_one(pattern, "[1]", opt);
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pattern = `[,a=${expr}]`;
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test_one(pattern, "[]", opt);
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test_one(pattern, "[1]", opt);
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test_one(pattern, "[1, 2]", opt);
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pattern = `[{x: [a=${expr}]}]`;
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test_one(pattern, "[{x: [1]}]", opt);
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pattern = `[x=[a=${expr}]=[]]`;
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test_one(pattern, "[]", opt);
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test_one(pattern, "[1]", opt);
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pattern = `[x=[a=${expr}]=[1]]`;
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test_one(pattern, "[]", opt);
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test_one(pattern, "[1]", opt);
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}
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global.testDestructuringArrayDefault = test;
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})(this);
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(function(global) {
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/*
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* Date: 07 February 2001
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*
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* Functionality common to Array testing -
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*/
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//-----------------------------------------------------------------------------
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var CHAR_LBRACKET = '[';
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var CHAR_RBRACKET = ']';
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var CHAR_QT_DBL = '"';
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var CHAR_COMMA = ',';
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var CHAR_SPACE = ' ';
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var TYPE_STRING = typeof 'abc';
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/*
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* If available, arr.toSource() gives more detail than arr.toString()
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*
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* var arr = Array(1,2,'3');
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*
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* arr.toSource()
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* [1, 2, "3"]
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*
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* arr.toString()
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* 1,2,3
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*
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* But toSource() doesn't exist in Rhino, so use our own imitation, below -
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*
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*/
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function formatArray(arr)
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{
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try
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{
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return arr.toSource();
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}
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catch(e)
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{
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return toSource(arr);
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}
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}
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global.formatArray = formatArray;
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/*
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* Imitate SpiderMonkey's arr.toSource() method:
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*
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* a) Double-quote each array element that is of string type
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* b) Represent |undefined| and |null| by empty strings
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* c) Delimit elements by a comma + single space
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* d) Do not add delimiter at the end UNLESS the last element is |undefined|
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* e) Add square brackets to the beginning and end of the string
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*/
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function toSource(arr)
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{
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var delim = CHAR_COMMA + CHAR_SPACE;
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var elt = '';
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var ret = '';
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var len = arr.length;
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for (i=0; i<len; i++)
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{
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elt = arr[i];
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switch(true)
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{
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case (typeof elt === TYPE_STRING) :
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ret += doubleQuote(elt);
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break;
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case (elt === undefined || elt === null) :
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break; // add nothing but the delimiter, below -
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default:
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ret += elt.toString();
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}
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if ((i < len-1) || (elt === undefined))
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ret += delim;
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}
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return CHAR_LBRACKET + ret + CHAR_RBRACKET;
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}
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global.toSource = toSource;
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function doubleQuote(text)
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{
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return CHAR_QT_DBL + text + CHAR_QT_DBL;
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}
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})(this);
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