1 files changed, 26 insertions, 0 deletions
diff --git a/test/bun.js/gc.ts b/test/bun.js/gc.ts
new file mode 100644
index 000000000..b9d80116d
--- /dev/null
+++ b/test/bun.js/gc.ts
@@ -0,0 +1,26 @@
+export function gc(force: boolean = true) {
+  Bun.gc(force);
+}
+
+// we must ensure that finalizers are run
+// so that the reference-counting logic is exercised
+export function gcTick(trace = false) {
+  trace && console.trace("");
+  // console.trace("hello");
+  gc();
+  return new Promise(resolve => {
+    setTimeout(resolve, 0);
+  });
+}
+
+export function withoutAggressiveGC(block) {
+  if (!Bun.unsafe.gcAggressionLevel) return block();
+
+  const origGC = Bun.unsafe.gcAggressionLevel();
+  Bun.unsafe.gcAggressionLevel(0);
+  try {
+    return block();
+  } finally {
+    Bun.unsafe.gcAggressionLevel(origGC);
+  }
+}