From e6738efa3fc4042676eaacdf3c20899b95186cad Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Thu, 12 May 2022 19:04:37 +0300
Subject: [PATCH] Add test for remove_emoji_modifiers.

---
 tdutils/test/emoji.cpp | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/tdutils/test/emoji.cpp b/tdutils/test/emoji.cpp
index beb130047..a8f22bbeb 100644
--- a/tdutils/test/emoji.cpp
+++ b/tdutils/test/emoji.cpp
@@ -7,7 +7,7 @@
 #include "td/utils/emoji.h"
 #include "td/utils/tests.h"
 
-TEST(Misc, is_emoji) {
+TEST(Emoji, is_emoji) {
   ASSERT_TRUE(td::is_emoji("👩🏼‍❤‍💋‍👩🏻"));
   ASSERT_TRUE(td::is_emoji("👩🏼‍❤️‍💋‍👩🏻"));
   ASSERT_TRUE(!td::is_emoji("👩🏼‍❤️️‍💋‍👩🏻"));
@@ -27,3 +27,26 @@ TEST(Misc, is_emoji) {
   ASSERT_TRUE(td::is_emoji("🎄"));
   ASSERT_TRUE(td::is_emoji("🧑‍🎄"));
 }
+
+static void test_remove_emoji_modifiers(td::string emoji, const td::string &result) {
+  ASSERT_STREQ(result, td::remove_emoji_modifiers(emoji));
+  td::remove_emoji_modifiers_in_place(emoji);
+  ASSERT_STREQ(result, emoji);
+  ASSERT_STREQ(emoji, td::remove_emoji_modifiers(emoji));
+}
+
+TEST(Emoji, remove_emoji_modifiers) {
+  test_remove_emoji_modifiers("", "");
+  test_remove_emoji_modifiers("👩🏼‍❤‍💋‍👩🏻", "👩‍❤‍💋‍👩");
+  test_remove_emoji_modifiers("👩🏼‍❤️‍💋‍👩🏻", "👩‍❤‍💋‍👩");
+  test_remove_emoji_modifiers("⌚", "⌚");
+  test_remove_emoji_modifiers("↔", "↔");
+  test_remove_emoji_modifiers("🪗", "🪗");
+  test_remove_emoji_modifiers("2️⃣", "2⃣");
+  test_remove_emoji_modifiers("2⃣", "2⃣");
+  test_remove_emoji_modifiers("❤️", "❤");
+  test_remove_emoji_modifiers("❤", "❤");
+  test_remove_emoji_modifiers("⌚", "⌚");
+  test_remove_emoji_modifiers("🎄", "🎄");
+  test_remove_emoji_modifiers("🧑‍🎄", "🧑‍🎄");
+}