fix timer's params length (#2655)

1 files changed, 7 insertions, 0 deletions

diff --git a/js/timers_test.ts b/js/timers_test.ts
index 76563c96e..2b10d9dad 100644
--- a/js/timers_test.ts
+++ b/js/timers_test.ts
@@ -249,6 +249,13 @@ test(function testFunctionName(): void {
   assertEquals(clearInterval.name, "clearInterval");
 });
 
+test(function testFunctionParamsLength(): void {
+  assertEquals(setTimeout.length, 1);
+  assertEquals(setInterval.length, 1);
+  assertEquals(clearTimeout.length, 0);
+  assertEquals(clearInterval.length, 0);
+});
+
 test(function clearTimeoutAndClearIntervalNotBeEquals(): void {
   assertNotEquals(clearTimeout, clearInterval);
 });