2 files changed, 30 insertions, 0 deletions
diff --git a/test/did_you_mean/spell_checking/test_method_name_check.rb b/test/did_you_mean/spell_checking/test_method_name_check.rb
index d2e46d58f3..4daaf7cec7 100644
--- a/test/did_you_mean/spell_checking/test_method_name_check.rb
+++ b/test/did_you_mean/spell_checking/test_method_name_check.rb
@@ -4,6 +4,8 @@ class MethodNameCheckTest < Test::Unit::TestCase
   include DidYouMean::TestHelper
 
   class User
+    attr_writer :writer
+    attr_reader :reader
     def friends; end
     def first_name; end
     def descendants; end
@@ -144,4 +146,20 @@ class MethodNameCheckTest < Test::Unit::TestCase
     assert_correction [], error.corrections
     assert_not_match(/Did you mean\? +yield/, get_message(error))
   end if RUBY_ENGINE != "jruby"
+
+  # Do not suggest `name=` for `name`
+  def test_does_not_suggest_writer
+    error = assert_raise(NoMethodError) { @user.writer }
+
+    assert_correction [], error.corrections
+    assert_not_match(/Did you mean\?  writer=/, get_message(error))
+  end
+
+  # Do not suggest `name` for `name=`
+  def test_does_not_suggest_reader
+    error = assert_raise(NoMethodError) { @user.reader = 1 }
+
+    assert_correction [], error.corrections
+    assert_not_match(/Did you mean\?  reader/, get_message(error))
+  end
 end
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