From 9cda737a5634e70d018a2c148fbcf59631591d23 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Thu, 2 Feb 2023 22:42:36 +0900
Subject: [PATCH] mruby-hash-ext/test: test Hash#compact! returns nil if
 unmodified

---
 mrbgems/mruby-hash-ext/test/hash.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mrbgems/mruby-hash-ext/test/hash.rb b/mrbgems/mruby-hash-ext/test/hash.rb
index a705af658..60a2123ea 100644
--- a/mrbgems/mruby-hash-ext/test/hash.rb
+++ b/mrbgems/mruby-hash-ext/test/hash.rb
@@ -89,8 +89,8 @@ end
 assert('Hash#compact!') do
   h = { "cat" => "feline", "dog" => nil, "cow" => false }
 
-  h.compact!
-  assert_equal({ "cat" => "feline", "cow" => false }, h)
+  assert_equal({ "cat" => "feline", "cow" => false }, h.compact!)
+  assert_nil(h.compact!)
 end
 
 assert('Hash#fetch') do