1 files changed, 17 insertions, 0 deletions
diff --git a/js/globals_test.ts b/js/globals_test.ts
new file mode 100644
index 000000000..e40718f28
--- /dev/null
+++ b/js/globals_test.ts
@@ -0,0 +1,17 @@
+import { test, assert } from "./test_util.ts";
+
+test(function globalThisExists() {
+  assert(globalThis != null);
+});
+
+test(function windowExists() {
+  assert(window != null);
+});
+
+test(function windowWindowExists() {
+  assert(window.window === window);
+});
+
+test(function globalThisEqualsWindow() {
+  assert(globalThis === window);
+});