Add check: ForwardMessage.nodeList mustn't be empty

48362a24 · Him188 · 6a631418 · 48362a24
Commit 48362a24 authored Apr 25, 2020 by Him188
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mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/ForwardMessage.kt ...ain/kotlin/net.mamoe.mirai/message/data/ForwardMessage.kt +6 -0

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--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/ForwardMessage.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/ForwardMessage.kt
@@ -84,6 +84,12 @@ class ForwardMessage @JvmOverloads constructor(
    val nodeList: Collection<INode>,
    val displayStrategy: DisplayStrategy = DisplayStrategy
 ) : MessageContent {
+    init {
+        require(nodeList.isNotEmpty()) {
+            "Forward nodeList mustn't be empty"
+        }
+    }
+
    /**
     * @see ForwardMessage
     */