1 files changed, 4 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/function-tosource-func-proto.js b/js/src/jit-test/tests/basic/function-tosource-func-proto.js
new file mode 100644
index 0000000000..34bcdf965e
--- /dev/null
+++ b/js/src/jit-test/tests/basic/function-tosource-func-proto.js
@@ -0,0 +1,4 @@
+assertEq(Function.prototype.toString(), "function () {\n    [native code]\n}");
+if (Function.prototype.toSource) {
+    assertEq(Function.prototype.toSource(), "function () {\n    [native code]\n}");
+}