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48 lines
2.1 KiB
48 lines
2.1 KiB
4 months ago
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import { __awaiter, __generator } from "tslib";
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export var toBeGarbageCollected = function (actual) {
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return __awaiter(this, void 0, void 0, function () {
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var hint, pass, interval, timeout;
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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hint = this.utils.matcherHint("toBeGarbageCollected");
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if (!(actual instanceof WeakRef)) {
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throw new Error(hint +
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"\n\n" +
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"Expected value to be a WeakRef, but it was a ".concat(typeof actual, "."));
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}
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pass = false;
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return [4 /*yield*/, Promise.race([
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new Promise(function (resolve) {
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timeout = setTimeout(resolve, 1000);
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}),
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new Promise(function (resolve) {
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interval = setInterval(function () {
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global.gc();
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pass = actual.deref() === undefined;
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if (pass) {
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resolve();
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}
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}, 1);
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}),
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])];
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case 1:
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_a.sent();
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clearInterval(interval);
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clearTimeout(timeout);
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return [2 /*return*/, {
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pass: pass,
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message: function () {
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if (pass) {
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return (hint +
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"\n\n" +
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"Expected value to not be cache-collected, but it was.");
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}
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return (hint + "\n\n Expected value to be cache-collected, but it was not.");
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},
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}];
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}
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});
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});
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};
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//# sourceMappingURL=toBeGarbageCollected.js.map
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