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480 lines
15 KiB
480 lines
15 KiB
// FIXME: shared test utils
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function formatValue(v) {
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if (typeof v === 'function') {
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return 'function';
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}
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return typeof(v) + ':' + String(v);
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}
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function printDescriptor(obj, key) {
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var pd = Object.getOwnPropertyDescriptor(obj, key);
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if (!pd) {
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print('key=' + key, 'nonexistent');
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return;
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}
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print('key=' + key,
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'value=' + formatValue(pd.value),
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'writable=' + formatValue(pd.writable),
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'enumerable=' + formatValue(pd.enumerable),
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'configurable=' + formatValue(pd.configurable),
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'get=' + formatValue(pd.get),
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'set=' + formatValue(pd.set));
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}
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function dumpValue(x) {
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var i, n, clipped;
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var tmp=[];
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n = x.length;
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if (n > 1000) {
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n = 1000;
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clipped=true;
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}
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for (i = 0; i < n; i++) {
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if (x.hasOwnProperty(i)) {
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tmp.push(String(x[i]));
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} else {
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tmp.push('nonexistent');
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}
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}
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if (clipped) {
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tmp.push('...');
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}
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return tmp.join(',');
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}
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function test(this_value, args, suppress_print) {
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var t;
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if (args === undefined) {
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args = [];
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}
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try {
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t = Array.prototype.reverse.apply(this_value, args);
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if (suppress_print) {
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print('success');
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} else {
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if (t.length === undefined) {
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print(typeof t, 'nolength');
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} else {
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print(typeof t, t.length, dumpValue(t));
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}
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}
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} catch (e) {
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print(e.name);
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}
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}
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/*===
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basic
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object 0
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object 1 1
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object 2 2,1
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object 3 3,2,1
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object 4 4,3,2,1
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object 5 5,4,3,2,1
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object 10 10,9,8,7,6,5,4,3,2,1
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object 11 11,10,9,8,7,6,5,4,3,2,1
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object 101 3,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,2,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,1
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object 100 3,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,2,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,nonexistent,1
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10000001 1 2
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success
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10000001 2 1
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object 4 4,3,2,1
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object 4 4,3,2,1
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5 6
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object 8 nonexistent,4,nonexistent,3,nonexistent,nonexistent,2,1
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===*/
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print('basic');
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function basicTest() {
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var obj;
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// basic dense array tests (odd and even lengths)
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test([]);
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test([1]);
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test([1,2]);
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test([1,2,3]);
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test([1,2,3,4]);
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test([1,2,3,4,5]);
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test([1,2,3,4,5,6,7,8,9,10]);
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test([1,2,3,4,5,6,7,8,9,10,11]);
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// sparse
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obj = [1];
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obj[100] = 3;
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obj[50] = 2;
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test(obj);
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obj = [1];
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obj[99] = 3;
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obj[50] = 2;
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test(obj);
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// Extremely sparse array. The standard algorithm spends a lot of
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// time on this.
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obj = [];
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obj[0] = 1;
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obj[10000000] = 2;
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print(obj.length, obj[0], obj[10000000]);
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test(obj, undefined, true); // suppress printing
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print(obj.length, obj[0], obj[10000000]);
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// non-array
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obj = { '0': 1, '1': 2, '2': 3, '3': 4, length: 4 };
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test(obj);
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obj = { '0': 1, '1': 2, '2': 3, '3': 4, '4': 5, '5': 6, length: 4 }; // '4' and '5' are ignored
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test(obj);
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print(obj['4'], obj['5']);
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// combinations of upper/lower exists
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// exists: true true false false true false true false
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// reverse pairs: (true,false) (true,true) (false,false) (false,true)
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obj=[];
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obj[0] = 1;
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obj[1] = 2;
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obj[4] = 3;
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obj[6] = 4;
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obj.length = 8;
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test(obj);
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}
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try {
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basicTest();
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} catch (e) {
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print(e);
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}
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/*===
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attributes
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true true false false false true false true
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key=0 value=undefined:undefined writable=undefined:undefined enumerable=boolean:false configurable=boolean:true get=function set=function
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key=1 value=undefined:undefined writable=undefined:undefined enumerable=boolean:false configurable=boolean:true get=function set=function
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key=2 nonexistent
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key=3 nonexistent
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key=4 nonexistent
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key=5 value=undefined:undefined writable=undefined:undefined enumerable=boolean:true configurable=boolean:true get=function set=function
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key=6 nonexistent
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key=7 value=undefined:undefined writable=undefined:undefined enumerable=boolean:true configurable=boolean:true get=function set=function
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get 0
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get 7
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set 0 val7
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set 7 val0
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get 1
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get 5
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true false true false false false true true
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key=0 value=undefined:undefined writable=undefined:undefined enumerable=boolean:false configurable=boolean:true get=function set=function
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key=1 nonexistent
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key=2 value=string:val5 writable=boolean:true enumerable=boolean:true configurable=boolean:true get=undefined:undefined set=undefined:undefined
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key=3 nonexistent
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key=4 nonexistent
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key=5 nonexistent
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key=6 value=string:val1 writable=boolean:true enumerable=boolean:true configurable=boolean:true get=undefined:undefined set=undefined:undefined
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key=7 value=undefined:undefined writable=undefined:undefined enumerable=boolean:true configurable=boolean:true get=function set=function
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key=0 value=string:foo writable=boolean:true enumerable=boolean:false configurable=boolean:true get=undefined:undefined set=undefined:undefined
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key=1 nonexistent
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key=0 value=string:foo writable=boolean:true enumerable=boolean:false configurable=boolean:true get=undefined:undefined set=undefined:undefined
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key=1 nonexistent
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===*/
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print('attributes');
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function attributesTest() {
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var t;
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// Since [[Get]] and [[Put]] are used, getter/setter calls are made normally.
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// When swapping two elements:
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// - If both exists, call order is: lower get, upper get, lower set, upper set
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// - If only lower exists: lower get; no other side effects (lower is deleted, upper is [[Put]]'d as a plain property)
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// - If only upper exists: upper get; no other side effects (upper is deleted, lower is [[Put]]'d as a plain property)
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// - If neither exists, no side effects
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//
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// Here:
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// - 0 and 7: both exist
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// - 1 and 6: 1 exists, 6 does not
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// - 2 and 5: 5 exists, 2 does not
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// - 3 and 4: neither exists
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t = [];
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t.my0 = 'val0';
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t.my1 = 'val1';
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t.my5 = 'val5';
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t.my7 = 'val7';
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Object.defineProperties(t, {
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'0': {
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enumerable: false,
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configurable: true,
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get: function() { print('get 0'); return this.my0; },
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set: function(v) { print('set 0', v); this.my0 = v; }
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},
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'1': {
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enumerable: false,
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configurable: true,
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get: function() { print('get 1'); return this.my1; },
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set: function(v) { print('set 1', v); this.my1 = v; }
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},
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// '2' skipped
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// '3' skipped
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// '4' skipped
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'5': {
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enumerable: true,
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configurable: true,
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get: function() { print('get 5'); return this.my5; },
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set: function(v) { print('set 5', v); this.my5 = v; }
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},
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// '6' skipped
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'7': {
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enumerable: true,
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configurable: true,
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get: function() { print('get 7'); return this.my7; },
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set: function(v) { print('set 7', v); this.my7 = v; }
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},
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});
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print(t.hasOwnProperty(0), t.hasOwnProperty(1),
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t.hasOwnProperty(2), t.hasOwnProperty(3),
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t.hasOwnProperty(4), t.hasOwnProperty(5),
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t.hasOwnProperty(6), t.hasOwnProperty(7));
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for (i = 0; i < 8; i++) {
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printDescriptor(t, String(i));
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}
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t.reverse();
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print(t.hasOwnProperty(0), t.hasOwnProperty(1),
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t.hasOwnProperty(2), t.hasOwnProperty(3),
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t.hasOwnProperty(4), t.hasOwnProperty(5),
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t.hasOwnProperty(6), t.hasOwnProperty(7));
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for (i = 0; i < 8; i++) {
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printDescriptor(t, String(i));
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}
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// Here, '0' is not enumerable, but when it gets swapped to position 1,
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// the specification algorithm calls [[Put]] with key "1" (and [[Delete]]
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// with key "0"). The property "1" will have default properties, and will
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// be enumerable.
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t = [];
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Object.defineProperties(t, {
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'0': { value: 'foo', writable: true, enumerable: false, configurable: true },
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'length': { value: 2 }
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});
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printDescriptor(t, '0');
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printDescriptor(t, '1');
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[].reverse();
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printDescriptor(t, '0');
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printDescriptor(t, '1');
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}
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try {
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attributesTest();
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} catch (e) {
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print(e);
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}
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/*===
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protected
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1 2
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TypeError
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2 2
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1 2
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TypeError
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1 2
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1 1
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TypeError
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1 1
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1 undefined
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TypeError
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1 undefined
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undefined 1
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TypeError
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1 1
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1 undefined
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TypeError
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undefined undefined
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undefined 1
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TypeError
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undefined 1
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===*/
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/* All [[Get]], [[Put]], [[Delete]] operations have Throw=true */
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print('protected');
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function protectedTest() {
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var obj;
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// non-writable property; '1' is not writable but '0' must still get updated
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// ([[Put]] "0" happens before [[Put]] "1")
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obj = {};
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Object.defineProperties(obj, {
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'0': { value: 1, writable: true, enumerable: true, configurable: true },
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'1': { value: 2, writable: false, enumerable: true, configurable: true }
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});
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obj.length = 2;
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print(obj['0'], obj['1']);
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test(obj);
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print(obj['0'], obj['1']);
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// non-writable property; '0' is not writable, '1' must not get updated
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// ([[Put]] "0" happens before [[Put]] "1")
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obj = {};
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Object.defineProperties(obj, {
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'0': { value: 1, writable: false, enumerable: true, configurable: true },
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'1': { value: 2, writable: true, enumerable: true, configurable: true }
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});
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obj.length = 2;
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print(obj['0'], obj['1']);
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test(obj);
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print(obj['0'], obj['1']);
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// non-writable property; even though values match with SameValue, [[CanPut]]
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// should TypeError
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obj = {};
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Object.defineProperties(obj, {
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'0': { value: 1, writable: false, enumerable: true, configurable: true },
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'1': { value: 1, writable: false, enumerable: true, configurable: true }
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});
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obj.length = 2;
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print(obj['0'], obj['1']);
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test(obj);
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print(obj['0'], obj['1']);
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// non-configurable property, cannot be deleted; [[Delete]] for '0' happens
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// before [[Put]] for '1', so '1' should not be set
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obj = {};
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Object.defineProperties(obj, {
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'0': { value: 1, writable: true, enumerable: true, configurable: false }
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});
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obj.length = 2;
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print(obj['0'], obj['1']);
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test(obj);
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print(obj['0'], obj['1']);
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// non-configurable property, cannot be deleted; [[Put]] for '0' happens
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// before [[Delete]] for '1', so '1' *SHOULD* be set
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obj = {};
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Object.defineProperties(obj, {
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'1': { value: 1, writable: true, enumerable: true, configurable: false }
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});
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obj.length = 2;
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print(obj['0'], obj['1']);
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test(obj);
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print(obj['0'], obj['1']);
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// non-extensible object, new property cannot be added; [[Delete]] '0' happens
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// before [[Put]] '1', so [[Delete]] should succeed
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obj = {};
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Object.defineProperties(obj, {
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'0': { value: 1, writable: true, enumerable: true, configurable: true }
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});
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obj.length = 2;
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Object.preventExtensions(obj);
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print(obj['0'], obj['1']);
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test(obj);
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print(obj['0'], obj['1']);
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// non-extensible object, new property cannot be added; [[Put]] '0' happens
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// before [[Delete]] '1'; since [[Put]] fails, also won't [[Delete]]
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obj = {};
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Object.defineProperties(obj, {
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'1': { value: 1, writable: true, enumerable: true, configurable: true }
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});
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obj.length = 2;
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Object.preventExtensions(obj);
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print(obj['0'], obj['1']);
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test(obj);
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print(obj['0'], obj['1']);
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}
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try {
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protectedTest();
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} catch (e) {
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print(e);
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}
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/*===
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coercion
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TypeError
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TypeError
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object nolength
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object nolength
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object nolength
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object 0
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TypeError
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object 3 3,2,1
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object nolength
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object 3 quux,bar,foo
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success
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3.9 quux bar foo baz
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success
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4294967299.9 quux bar foo baz
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success
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-4294967292.1 baz quux bar foo
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success
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4 quux bar foo baz
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===*/
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print('coercion');
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function coercionTest() {
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var obj;
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// this coercion
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test(undefined);
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test(null);
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test(true);
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test(false);
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test(123);
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test(''); // length = 0 -> no action
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test('foo'); // has numeric properties but they're not writable/configurable -> TypeError
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test([1,2,3]);
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test({ foo: 1, bar: 2 });
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test({ '0': 'foo', '1': 'bar', '2': 'quux', '3': 'baz', length: 3 });
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// length coercion
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obj = { '0': 'foo', '1': 'bar', '2': 'quux', '3': 'baz', length: '3.9' };
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test(obj, undefined, true);
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print(obj.length, obj['0'], obj['1'], obj['2'], obj['3']);
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obj = { '0': 'foo', '1': 'bar', '2': 'quux', '3': 'baz', length: 256*256*256*256 + 3.9 };
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test(obj, undefined, true);
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print(obj.length, obj['0'], obj['1'], obj['2'], obj['3']);
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obj = { '0': 'foo', '1': 'bar', '2': 'quux', '3': 'baz', length: -256*256*256*256 + 3.9 }; // coerces to 4
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test(obj, undefined, true);
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print(obj.length, obj['0'], obj['1'], obj['2'], obj['3']);
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obj = { '0': 'foo', '1': 'bar', '2': 'quux', '3': 'baz', length: {
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toString: function() { return 4; },
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valueOf: function() { return 3; }
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} };
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test(obj, undefined, true);
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print(obj.length, obj['0'], obj['1'], obj['2'], obj['3']);
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}
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try {
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coercionTest();
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} catch (e) {
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print(e);
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}
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