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// |reftest| skip-if(!this.hasOwnProperty("Tuple"))
var thisVals = [];
var nextResult = {
done: false,
value: {}
};
var nextNextResult = {
done: false,
value: {}
};
var firstReturnVal = 1;
var secondReturnVal = 2;
var mapFn = function(value, idx) {
var returnVal = nextReturnVal;
nextReturnVal = nextNextReturnVal;
nextNextReturnVal = null;
return returnVal;
};
var nextReturnVal = firstReturnVal;
var nextNextReturnVal = secondReturnVal;
var items = {};
var result;
items[Symbol.iterator] = function() {
return {
next: function() {
var result = nextResult;
nextResult = nextNextResult;
nextNextResult = {
done: true
};
return result;
}
};
};
result = Tuple.from(items, mapFn);
assertEq(result.length, 2);
assertEq(result[0], firstReturnVal);
assertEq(result[1], secondReturnVal);
reportCompare(0, 0);
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