1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arguments/defaults-with-rest.js b/js/src/jit-test/tests/arguments/defaults-with-rest.js
new file mode 100644
index 0000000000..b0c7c8bcf9
--- /dev/null
+++ b/js/src/jit-test/tests/arguments/defaults-with-rest.js
@@ -0,0 +1,23 @@
+load(libdir + "eqArrayHelper.js");
+load(libdir + "asserts.js");
+
+function f1(a, bIs, b=3, ...rest) {
+    assertEq(a, 1);
+    assertEq(bIs, b);
+    assertEqArray(rest, []);
+}
+assertEq(f1.length, 2);
+f1(1, 3);
+f1(1, 42, 42);
+function f2(a=rest, ...rest) {
+}
+// TDZ
+assertThrowsInstanceOf(f2, ReferenceError);
+function f3(a=rest, ...rest) {
+}
+assertThrowsInstanceOf(f3, ReferenceError);
+function f4(a=42, ...f)  {
+    assertEq(typeof f, "function");
+    function f() {}
+}
+f4()