fix: prevent Deno.exit to fail when dispatchEvent tampered (#14665)

Co-authored-by: Colin Ihrig <cjihrig@gmail.com>

2 files changed, 9 insertions, 0 deletions

diff --git a/cli/tests/integration/run_tests.rs b/cli/tests/integration/run_tests.rs
index a9e7d93cc..f5929ee55 100644
--- a/cli/tests/integration/run_tests.rs
+++ b/cli/tests/integration/run_tests.rs
@@ -922,6 +922,12 @@ itest!(set_exit_code_in_worker {
   exit_code: 42,
 });
 
+itest!(deno_exit_tampering {
+  args: "run --no-check --unstable deno_exit_tampering.ts",
+  output: "empty.out",
+  exit_code: 42,
+});
+
 itest!(heapstats {
   args: "run --quiet --unstable --v8-flags=--expose-gc heapstats.js",
   output: "heapstats.js.out",
diff --git a/cli/tests/testdata/deno_exit_tampering.ts b/cli/tests/testdata/deno_exit_tampering.ts
new file mode 100644
index 000000000..3b24261e2
--- /dev/null
+++ b/cli/tests/testdata/deno_exit_tampering.ts
@@ -0,0 +1,3 @@
+delete globalThis.dispatchEvent;
+delete EventTarget.prototype.dispatchEvent;
+Deno.exit(42);