1 files changed, 17 insertions, 0 deletions
diff --git a/test/addons/worker-buffer-callback/test-free-called.js b/test/addons/worker-buffer-callback/test-free-called.js
new file mode 100644
index 0000000000..2a3cc9e47c
--- /dev/null
+++ b/test/addons/worker-buffer-callback/test-free-called.js
@@ -0,0 +1,17 @@
+'use strict';
+const common = require('../../common');
+const path = require('path');
+const assert = require('assert');
+const { Worker } = require('worker_threads');
+const binding = path.resolve(__dirname, `./build/${common.buildType}/binding`);
+const { getFreeCallCount } = require(binding);
+
+// Test that buffers allocated with a free callback through our APIs are
+// released when a Worker owning it exits.
+
+const w = new Worker(`require(${JSON.stringify(binding)})`, { eval: true });
+
+assert.strictEqual(getFreeCallCount(), 0);
+w.on('exit', common.mustCall(() => {
+  assert.strictEqual(getFreeCallCount(), 1);
+}));