meta/send.rb in mutant-0.8.12 vs meta/send.rb in mutant-0.8.13

@@ -623,11 +623,11 @@
   mutation 'foo[*self]'
   mutation 'foo[*nil]'
   mutation 'self[*bar]'
 end
 
-(Mutant::AST::Types::BINARY_METHOD_OPERATORS - %i[<= >= < > == != eql?]).each do |operator|
+(Mutant::AST::Types::BINARY_METHOD_OPERATORS - %i[=~ <= >= < > == != eql?]).each do |operator|
   Mutant::Meta::Example.add :send do
     source "true #{operator} false"
 
     singleton_mutations
     mutation 'true'
@@ -743,6 +743,31 @@
   singleton_mutations
   mutation 'Proc.new'
   mutation 'self.new { }'
   mutation 'Proc.new { raise }'
   mutation 'lambda { }'
+end
+
+Mutant::Meta::Example.add :send do
+  source 'a =~ //'
+
+  singleton_mutations
+  mutation 'a'
+  mutation 'nil =~ //'
+  mutation 'self =~ //'
+  mutation '//'
+  mutation 'a =~ /nomatch\A/'
+  mutation 'a.match?(//)'
+end
+
+Mutant::Meta::Example.add :send do
+  source '//.match(a)'
+
+  singleton_mutations
+  mutation 'a'
+  mutation '//.match'
+  mutation '//.match(nil)'
+  mutation '//.match(self)'
+  mutation '//.match?(a)'
+  mutation '//'
+  mutation '/nomatch\A/.match(a)'
 end