marked-atoms.js - mozsearch

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// Test basics of atom marking and check the isAtomMarked function works.

gczeal(0);

let global = newGlobal({newCompartment: true});

global.eval('var x = {}');

gc();

// Make an anonymous symbol and mark it in the global.

let atom = Symbol();

assertEq(isAtomMarked(this, atom), true);

assertEq(isAtomMarked(global, atom), false);

global.x[atom] = 0;

assertEq(isAtomMarked(global, atom), true);

// Make a named symbol (plus an atom for the description) and mark it.

let sym = Symbol("baz");

assertEq(isAtomMarked(this, sym), true);

assertEq(isAtomMarked(global, sym), false);

global.x[sym] = 0;

assertEq(isAtomMarked(global, sym), true);