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Bug #14325

closed

Set#reset raise RuntimeError instead of FrozenError

Added by znz (Kazuhiro NISHIYAMA) about 6 years ago. Updated over 4 years ago.

Status:
Closed
Target version:
-
ruby -v:
ruby 2.6.0dev (2018-01-06 trunk 61640) [x86_64-darwin16]
[ruby-core:84677]

Description

I think it should use FrozenError instead of RuntimeError.
I can't reproduce without modifying instance variable directly.

%  ruby -v -r set -e 'Set[].tap{|s|s.instance_variable_set(:@hash, :dummy)}.freeze.reset'
ruby 2.6.0dev (2018-01-06 trunk 61640) [x86_64-darwin16]
Traceback (most recent call last):
	1: from -e:1:in `<main>'
.../lib/ruby/2.6.0/set.rb:527:in `reset': can't modify frozen Set (RuntimeError)
%  ruby -v -I ./lib -r set -e 'Set[].tap{|s|s.instance_variable_set(:@hash, :dummy)}.freeze.reset'
ruby 2.6.0dev (2018-01-06 trunk 61640) [x86_64-darwin16]
Traceback (most recent call last):
	1: from -e:1:in `<main>'
.../lib/set.rb:527:in `reset': can't modify frozen Set (FrozenError)
diff --git a/lib/set.rb b/lib/set.rb
index 9642e74af4..d777b81b8f 100644
--- a/lib/set.rb
+++ b/lib/set.rb
@@ -524,7 +524,7 @@ def reset
     if @hash.respond_to?(:rehash)
       @hash.rehash # This should perform frozenness check.
     else
-      raise "can't modify frozen #{self.class.name}" if frozen?
+      raise FrozenError, "can't modify frozen #{self.class.name}" if frozen?
     end
     self
   end
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