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Diffstat (limited to 'spec/ruby/language/case_spec.rb')
-rw-r--r-- | spec/ruby/language/case_spec.rb | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/spec/ruby/language/case_spec.rb b/spec/ruby/language/case_spec.rb index cfa612b93a..3262f09dd5 100644 --- a/spec/ruby/language/case_spec.rb +++ b/spec/ruby/language/case_spec.rb @@ -415,6 +415,19 @@ describe "The 'case'-construct" do self.test("bar").should == false self.test(true).should == true end + + it "warns if there are identical when clauses" do + -> { + eval <<~RUBY + case 1 + when 2 + :foo + when 2 + :bar + end + RUBY + }.should complain(/warning: duplicated .when' clause with line \d+ is ignored/, verbose: true) + end end describe "The 'case'-construct with no target expression" do |