2 files changed, 16 insertions, 0 deletions
diff --git a/cli/tests/testdata/npm/compare_globals/main.out b/cli/tests/testdata/npm/compare_globals/main.out
index 8b3b62bc1..e60a39ba6 100644
--- a/cli/tests/testdata/npm/compare_globals/main.out
+++ b/cli/tests/testdata/npm/compare_globals/main.out
@@ -5,3 +5,6 @@ Download http://localhost:4545/npm/registry/@types/node/node-18.8.2.tgz
 Check file:///[WILDCARD]/npm/compare_globals/main.ts
 true
 []
+5
+undefined
+undefined
diff --git a/cli/tests/testdata/npm/compare_globals/main.ts b/cli/tests/testdata/npm/compare_globals/main.ts
index 5710d0bd5..0468404a8 100644
--- a/cli/tests/testdata/npm/compare_globals/main.ts
+++ b/cli/tests/testdata/npm/compare_globals/main.ts
@@ -12,3 +12,16 @@ type _TestHasNodeJsGlobal = NodeJS.Architecture;
 
 const controller = new AbortController();
 controller.abort("reason"); // in the NodeJS declaration it doesn't have a reason
+
+// Super edge case where some Node code deletes a global where the
+// Node code has its own global and the Deno code has the same global,
+// but it's different. Basically if some Node code deletes
+// one of these globals then we don't want it to suddenly inherit
+// the Deno global.
+globals.withNodeGlobalThis((nodeGlobalThis: any) => {
+  (globalThis as any).setTimeout = 5;
+  console.log(setTimeout);
+  delete nodeGlobalThis["setTimeout"];
+  console.log(nodeGlobalThis["setTimeout"]); // should be undefined
+  console.log(globalThis["setTimeout"]); // should be undefined
+});