diff --git a/tests/edge/broken.js b/tests/edge/broken.js
new file mode 100644
index 0000000..113c195
--- /dev/null
+++ b/tests/edge/broken.js
@@ -0,0 +1 @@
+export const apple =
diff --git a/tests/edge/edge.test.ts b/tests/edge/edge.test.ts
new file mode 100644
index 0000000..261f498
--- /dev/null
+++ b/tests/edge/edge.test.ts
@@ -0,0 +1,9 @@
+import importSync from '../../src';
+
+test('Empty file', () => {
+  expect(importSync('./empty')).toStrictEqual({});
+});
+
+test('Broken file', () => {
+  expect(() => importSync('./broken')).toThrow(Error);
+});
diff --git a/tests/edge/empty.js b/tests/edge/empty.js
new file mode 100644
index 0000000..e69de29