fix lingering process by dead sockets (#1700)

`Bun.listen()` and `Bun.connect()` would create sockets that under certain conditions with calls to `.end()` or `.stop`,  prevents the process from exiting gracefully.

1 files changed, 34 insertions, 0 deletions

diff --git a/test/bun.js/socket/socket.test.ts b/test/bun.js/socket/socket.test.ts
new file mode 100644
index 000000000..aff001c75
--- /dev/null
+++ b/test/bun.js/socket/socket.test.ts
@@ -0,0 +1,34 @@
+import { expect, it } from "bun:test";
+import { bunExe } from "../bunExe";
+import { spawn } from "bun";
+
+it("should keep process alive only when active", async () => {
+  const { exited, stdout, stderr } = spawn({
+    cmd: [ bunExe(), "echo.js" ],
+    cwd: import.meta.dir,
+    stdout: "pipe",
+    stdin: null,
+    stderr: "pipe",
+    env: {
+      BUN_DEBUG_QUIET_LOGS: 1,
+    },
+  });
+  expect(await exited).toBe(0);
+  expect(await new Response(stderr).text()).toBe("");
+  var lines = (await new Response(stdout).text()).split(/\r?\n/);
+  expect(lines.filter(function(line) {
+    return line.startsWith("[Server]");
+  })).toEqual([
+    "[Server] OPENED",
+    "[Server] GOT request",
+    "[Server] CLOSED",
+  ]);
+  expect(lines.filter(function(line) {
+    return line.startsWith("[Client]");
+  })).toEqual([
+    "[Client] OPENED",
+    "[Client] GOT response",
+    "[Client] ENDED",
+    "[Client] CLOSED",
+  ]);
+});