2 files changed, 29 insertions, 0 deletions
diff --git a/cli/tests/unit_node/process_test.ts b/cli/tests/unit_node/process_test.ts
index 686a3dbbc..49b753db3 100644
--- a/cli/tests/unit_node/process_test.ts
+++ b/cli/tests/unit_node/process_test.ts
@@ -727,3 +727,22 @@ Deno.test({
     assertEquals(stripColor(decoder.decode(stdout).trim()), "exit");
   },
 });
+
+Deno.test({
+  name: "process.reallyExit",
+  async fn() {
+    const command = new Deno.Command(Deno.execPath(), {
+      args: [
+        "run",
+        "--quiet",
+        "--unstable",
+        "./testdata/process_really_exit.ts",
+      ],
+      cwd: testDir,
+    });
+    const { stdout } = await command.output();
+
+    const decoder = new TextDecoder();
+    assertEquals(stripColor(decoder.decode(stdout).trim()), "really exited");
+  },
+});
diff --git a/cli/tests/unit_node/testdata/process_really_exit.ts b/cli/tests/unit_node/testdata/process_really_exit.ts
new file mode 100644
index 000000000..16f30b33d
--- /dev/null
+++ b/cli/tests/unit_node/testdata/process_really_exit.ts
@@ -0,0 +1,10 @@
+import process from "node:process";
+
+//deno-lint-ignore no-undef
+// @ts-ignore - Node typings don't even have this because it's
+// been deprecated for 4 years. But it's used in `signal-exit`,
+// which in turn is used in `node-tap`.
+process.reallyExit = function () {
+  console.info("really exited");
+};
+process.exit();