[ruby/did_you_mean] Fixed correction duplicates in VariableNameChecker

https://github.com/ruby/did_you_mean/commit/c3fc412f6f

1 files changed, 12 insertions, 0 deletions

diff --git a/test/did_you_mean/spell_checking/test_variable_name_check.rb b/test/did_you_mean/spell_checking/test_variable_name_check.rb
index 9d8b86eb5b..0350b62660 100644
--- a/test/did_you_mean/spell_checking/test_variable_name_check.rb
+++ b/test/did_you_mean/spell_checking/test_variable_name_check.rb
@@ -137,4 +137,16 @@ class VariableNameCheckTest < Test::Unit::TestCase
     error = assert_raise(NameError){ foo }
     assert_empty error.corrections
   end
+
+  def test_exclude_duplicates_with_same_name
+    error = assert_raise(NameError) do
+      eval(<<~RUBY, binding, __FILE__, __LINE__)
+        bar = 1
+        def bar;end
+        zar
+      RUBY
+    end
+
+    assert_correction [:bar], error.corrections
+  end
 end