Set-iterator-order.js

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// Set iterators produces entries in the order they were inserted.

var set = new Set();

var i;

for (i = 7; i !== 1; i = i * 7 % 1117)

    set.add(i);

assertEq(set.size, 557);

i = 7;

for (var v of set) {

    assertEq(v, i);

    i = i * 7 % 1117;

assertEq(i, 1);