Set-iterator-remove-6.js

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// Removing many Set entries does not cause a live iterator to skip any of the

// entries that were not removed. (Compacting a Set must not be observable to

// script.)

load(libdir + "iteration.js");

var set = new Set();

for (var i = 0; i < 32; i++)

    set.add(i);

var iter = set[Symbol.iterator]();

assertIteratorNext(iter, 0);

for (var i = 0; i < 30; i++)

    set.delete(i);

assertEq(set.size, 2);

for (var i = 32; i < 100; i++)

    set.add(i);  // eventually triggers compaction

for (var i = 30; i < 100; i++)

    assertIteratorNext(iter, i);

assertIteratorDone(iter, undefined);