transplant-weak-targets.js

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function testWeakRefAfterTransplant(global) {

  let {object, transplant} = transplantableObject();

  object.x = 42;

  let wr = new WeakRef(object);

  transplant(global);

  transplant = undefined;

  global.object = object;

  object = undefined;

  clearKeptObjects();

  gc();

  assertEq(wr.deref() !== undefined, true);

  assertEq(wr.deref().x, 42);

  global.object = undefined;

  clearKeptObjects();

  gc();

  assertEq(wr.deref(), undefined);

gczeal(0);

testWeakRefAfterTransplant(this);

testWeakRefAfterTransplant(newGlobal({sameZoneAs: this}));

testWeakRefAfterTransplant(newGlobal({newCompartment: true}));