From 7ce1039d7c107500138415d16c3bb406fd1e9add Mon Sep 17 00:00:00 2001
From: Benoit Blanchon <git@benoitblanchon.fr>
Date: Fri, 19 Jul 2019 10:21:58 +0200
Subject: [PATCH] Added operators `==` and `!=` for `MemberProxy`

---
 CHANGELOG.md                           |  2 +-
 src/ArduinoJson/Object/MemberProxy.hpp |  8 ++++++++
 test/MemberProxy/CMakeLists.txt        |  1 +
 test/MemberProxy/compare.cpp           | 26 ++++++++++++++++++++++++++
 4 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 test/MemberProxy/compare.cpp

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7368a288..61a9430e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ ArduinoJson: change log
 HEAD
 ----
 
-* Added operators `==` and `!=` for `JsonDocument`
+* Added operators `==` and `!=` for `JsonDocument` and `MemberProxy`
 
 v6.11.2 (2019-07-08)
 -------
diff --git a/src/ArduinoJson/Object/MemberProxy.hpp b/src/ArduinoJson/Object/MemberProxy.hpp
index 5f7c66f9..f634a142 100644
--- a/src/ArduinoJson/Object/MemberProxy.hpp
+++ b/src/ArduinoJson/Object/MemberProxy.hpp
@@ -49,6 +49,14 @@ class MemberProxy : public VariantOperators<MemberProxy<TObject, TStringRef> >,
     return *this;
   }
 
+  FORCE_INLINE bool operator==(VariantConstRef rhs) const {
+    return static_cast<VariantConstRef>(getUpstreamMember()) == rhs;
+  }
+
+  FORCE_INLINE bool operator!=(VariantConstRef rhs) const {
+    return static_cast<VariantConstRef>(getUpstreamMember()) != rhs;
+  }
+
   FORCE_INLINE void clear() const {
     getUpstreamMember().clear();
   }
diff --git a/test/MemberProxy/CMakeLists.txt b/test/MemberProxy/CMakeLists.txt
index e948c656..5ce73d8f 100644
--- a/test/MemberProxy/CMakeLists.txt
+++ b/test/MemberProxy/CMakeLists.txt
@@ -5,6 +5,7 @@
 add_executable(MemberProxyTests
 	add.cpp
 	clear.cpp
+	compare.cpp
 	containsKey.cpp
 	remove.cpp
 	set.cpp
diff --git a/test/MemberProxy/compare.cpp b/test/MemberProxy/compare.cpp
new file mode 100644
index 00000000..1182a5a2
--- /dev/null
+++ b/test/MemberProxy/compare.cpp
@@ -0,0 +1,26 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2019
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+using namespace ARDUINOJSON_NAMESPACE;
+
+TEST_CASE("MemberProxy::operator==()") {
+  DynamicJsonDocument doc(4096);
+
+  SECTION("same values") {
+    doc["key1"] = "value";
+    doc["key2"] = "value";
+    REQUIRE(doc["key1"] == doc["key2"]);
+    REQUIRE_FALSE(doc["key1"] != doc["key2"]);
+  }
+
+  SECTION("different values") {
+    doc["key1"] = "value1";
+    doc["key2"] = "value2";
+    REQUIRE_FALSE(doc["key1"] == doc["key2"]);
+    REQUIRE(doc["key1"] != doc["key2"]);
+  }
+}