From e38a646c89f3f4c630fe3d4a4475aecbf770a954 Mon Sep 17 00:00:00 2001
From: Matthew Lee <30479162+fmmmlee@users.noreply.github.com>
Date: Mon, 2 Mar 2020 14:57:42 -0800
Subject: [PATCH] Fixing https://github.com/google/gson/issues/1592 (#1623)

adding null parameter check to name(), fixing the issue and being consistent with superclass behavior
---
 .../java/com/google/gson/internal/bind/JsonTreeWriter.java     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gson/src/main/java/com/google/gson/internal/bind/JsonTreeWriter.java b/gson/src/main/java/com/google/gson/internal/bind/JsonTreeWriter.java
index 51dc1f3a34..ee91e6b4a8 100644
--- a/gson/src/main/java/com/google/gson/internal/bind/JsonTreeWriter.java
+++ b/gson/src/main/java/com/google/gson/internal/bind/JsonTreeWriter.java
@@ -130,6 +130,9 @@ private void put(JsonElement value) {
   }
 
   @Override public JsonWriter name(String name) throws IOException {
+    if (name == null) {
+      throw new NullPointerException("name == null");
+    }
     if (stack.isEmpty() || pendingName != null) {
       throw new IllegalStateException();
     }