From ca80f5285f272461a54a88d657fd50d43e340d87 Mon Sep 17 00:00:00 2001
From: Him188 <Him188@mamoe.net>
Date: Fri, 26 Nov 2021 18:03:51 +0000
Subject: [PATCH] Throw specific ISE when kicking members too fast, close #1503

---
 mirai-core/src/commonMain/kotlin/contact/NormalMemberImpl.kt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mirai-core/src/commonMain/kotlin/contact/NormalMemberImpl.kt b/mirai-core/src/commonMain/kotlin/contact/NormalMemberImpl.kt
index f3fc96c10..cdb3abc70 100644
--- a/mirai-core/src/commonMain/kotlin/contact/NormalMemberImpl.kt
+++ b/mirai-core/src/commonMain/kotlin/contact/NormalMemberImpl.kt
@@ -177,6 +177,7 @@ internal class NormalMemberImpl constructor(
                 ban = block
             ).sendAndExpect()
 
+            if (response.ret == 255) error("Operation too fast") // https://github.com/mamoe/mirai/issues/1503
             check(response.success) { "kick failed: ${response.ret}" }
 
             @Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")