1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/modules/bug-1501154.js b/js/src/jit-test/tests/modules/bug-1501154.js
new file mode 100644
index 0000000000..48a506db2b
--- /dev/null
+++ b/js/src/jit-test/tests/modules/bug-1501154.js
@@ -0,0 +1,25 @@
+// Test using an empty string as a module specifier fails.
+let result = null;
+let error = null;
+let promise = import("");
+promise.then((ns) => {
+    result = ns;
+}).catch((e) => {
+    error = e;
+});
+
+drainJobQueue();
+assertEq(result, null);
+assertEq(error instanceof Error, true);
+
+// Test reading a directory as a file fails.
+result = null;
+error = null;
+try {
+    result = os.file.readFile(".");
+} catch (e) {
+    error = e;
+}
+
+assertEq(result, null);
+assertEq(error instanceof Error, true);