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// |reftest| skip-if(!this.hasOwnProperty("Tuple"))
var items = {};
var result, nextIterResult, lastIterResult;
items[Symbol.iterator] = function() {
return {
next: function() {
var result = nextIterResult;
nextIterResult = lastIterResult;
return result;
}
};
};
nextIterResult = lastIterResult = {
done: true
};
result = Tuple.from(items);
assertEq(result.length, 0);
nextIterResult = {
done: false
};
lastIterResult = {
done: true
};
result = Tuple.from(items);
assertEq(result.length, 1);
reportCompare(0, 0);