From 4bd98671bc183ffa97ef5ee5766fc52466399b2b Mon Sep 17 00:00:00 2001
From: Asmod4n <Asmod4n@users.noreply.github.com>
Date: Thu, 17 Sep 2015 13:28:09 +0200
Subject: Problem: Hash#fetch doesn't raise KeyError when a key cannot be found

Solution: change the Exception class raised to KeyError when a key
cannot be found.
---
 mrbgems/mruby-hash-ext/mrblib/hash.rb | 4 ++--
 mrbgems/mruby-hash-ext/test/hash.rb   | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/mrbgems/mruby-hash-ext/mrblib/hash.rb b/mrbgems/mruby-hash-ext/mrblib/hash.rb
index 5056d0720..ec8bd05fb 100644
--- a/mrbgems/mruby-hash-ext/mrblib/hash.rb
+++ b/mrbgems/mruby-hash-ext/mrblib/hash.rb
@@ -130,7 +130,7 @@ class Hash
       elsif none != NONE
         none
       else
-        raise RuntimeError, "Key not found: #{key}"
+        raise KeyError, "Key not found: #{key}"
       end
     else
       self[key]
@@ -156,7 +156,7 @@ class Hash
 
     self.each do |k, v|
       self.delete(k) if block.call(k, v)
-    end 
+    end
     self
   end
 
diff --git a/mrbgems/mruby-hash-ext/test/hash.rb b/mrbgems/mruby-hash-ext/test/hash.rb
index 4950ef354..ef25acbe7 100644
--- a/mrbgems/mruby-hash-ext/test/hash.rb
+++ b/mrbgems/mruby-hash-ext/test/hash.rb
@@ -79,7 +79,7 @@ assert('Hash#fetch') do
   begin
     h.fetch("gnu")
   rescue => e
-    assert_kind_of(StandardError, e);
+    assert_kind_of(KeyError, e);
   end
 end
 
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