finalizationRegistry-register-error-gc.js

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gczeal(2, 5);

// Objects from this global are wrapped in g with security wrappers, so passing

// them as the target makes register fail.

var g = newGlobal({newCompartment: true, securityWrappers: true});

g.eval("var count = 0;");

var reg = new g.FinalizationRegistry(g.eval("() => count++"));

var targets = [];

for (var n = 1; n < 50; n++) {

  var target = new g.Object();

  targets.push(target);

  reg.register(target, 0, new g.Object());

  var ex = null;

  try {

    reg.register({}, 1);

  } catch (e) {

    ex = e;

  assertEq(ex.message, "Permission denied to access object");

targets = null;

target = null;

gc();

drainJobQueue();

assertEq(g.count, 49);