42 lines
1.0 KiB
JavaScript
42 lines
1.0 KiB
JavaScript
asyncTestStart(1);
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function makeWeakRef() { return new WeakRef({foo: 1 }); }
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noInline(makeWeakRef);
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// Turns out the test times out if we turn the event loop 10000 times...
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let loopCount = globalThis.window ? 300 : 10000;
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function turnEventLoop() {
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return new Promise(function(resolve, reject) {
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if (globalThis.window) {
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window.setTimeout(() => {
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resolve();
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}, 0);
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} else {
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releaseWeakRefs();
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resolve();
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}
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});
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}
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let weakSet = new WeakSet();
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let weakRefs = [];
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async function* foo() {
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let weak = makeWeakRef();
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weakSet.add(weak.deref());
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await turnEventLoop();
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weakRefs.push(weak);
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}
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async function test() {
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for (let i = 0; i < loopCount; i++) {
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for await (value of foo()) { }
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}
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gc();
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if (weakRefs.find((weak) => weak.deref() && !weakSet.has(weak.deref())))
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throw new Error("Weak ref has target but weak set lost reference." )
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asyncTestPassed();
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}
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test().catch(e => debug(e));
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