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// Test combinations of arguments in different compartments.
gczeal(0);
let heldValues = [];
function ccwToObject() {
return evalcx('({})', newGlobal({newCompartment: true}));
}
function newRegistry() {
return new FinalizationRegistry(value => {
heldValues.push(value);
});
}
function ccwToRegistry() {
let global = newGlobal({newCompartment: true});
global.heldValues = heldValues;
return global.eval(
`new FinalizationRegistry(value => heldValues.push(value))`);
}
function incrementalGC() {
startgc(1);
while (gcstate() !== "NotActive") {
gcslice(1000);
}
}
// Test the case when the registry remains live.
for (let w of [false, true]) {
for (let x of [false, true]) {
for (let y of [false, true]) {
for (let z of [false, true]) {
let registry = w ? ccwToRegistry(w) : newRegistry();
let target = x ? ccwToObject() : {};
let heldValue = y ? ccwToObject() : {};
let token = z ? ccwToObject() : {};
registry.register(target, heldValue, token);
registry.unregister(token);
registry.register(target, heldValue, token);
target = undefined;
token = undefined;
heldValue = undefined;
incrementalGC();
heldValues.length = 0; // Clear, don't replace.
drainJobQueue();
assertEq(heldValues.length, 1);
}
}
}
}
// Test the case when registry has no more references.
for (let w of [false, true]) {
for (let x of [false, true]) {
for (let y of [false, true]) {
for (let z of [false, true]) {
let registry = w ? ccwToRegistry(w) : newRegistry();
let target = x ? ccwToObject() : {};
let heldValue = y ? ccwToObject() : {};
let token = z ? ccwToObject() : {};
registry.register(target, heldValue, token);
registry.unregister(token);
registry.register(target, heldValue, token);
target = undefined;
token = undefined;
heldValue = undefined;
registry = undefined; // Remove last reference to registry.
incrementalGC();
heldValues.length = 0;
drainJobQueue();
// The cleanup callback may or may not be run depending on
// which order the zones are swept in, which itself depends on
// the arrangement of CCWs.
assertEq(heldValues.length <= 1, true);
}
}
}
}
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