From 13801f816f0325fc86cbdbd72cf015f6c3728cb0 Mon Sep 17 00:00:00 2001
From: Zhiwei Shen <rayshen1012@gmail.com>
Date: Fri, 18 Mar 2022 14:30:41 +0800
Subject: [PATCH] fix setUTCMonth

this.month is the real month, but setUTCMonth value is 0 ~ 11
---
 std/assembly/date.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/std/assembly/date.ts b/std/assembly/date.ts
index 8f219b7100..d9ae5bd38c 100644
--- a/std/assembly/date.ts
+++ b/std/assembly/date.ts
@@ -169,7 +169,7 @@ export class Date {
   }
 
   setUTCMonth(month: i32): void {
-    if (this.month == month) return;
+    if (this.month == month + 1) return;
     var ms = euclidRem(this.epochMillis, MILLIS_PER_DAY);
     this.setTime(i64(daysSinceEpoch(this.year, month + 1, this.day)) * MILLIS_PER_DAY + ms);
   }