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-rw-r--r--spec/ruby/core/regexp/try_convert_spec.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/spec/ruby/core/regexp/try_convert_spec.rb b/spec/ruby/core/regexp/try_convert_spec.rb
index be567e2130..e775dbe971 100644
--- a/spec/ruby/core/regexp/try_convert_spec.rb
+++ b/spec/ruby/core/regexp/try_convert_spec.rb
@@ -18,4 +18,10 @@ describe "Regexp.try_convert" do
rex.should_receive(:to_regexp).and_return(/(p(a)t[e]rn)/)
Regexp.try_convert(rex).should == /(p(a)t[e]rn)/
end
+
+ it "raises a TypeError if the object does not return an Regexp from #to_regexp" do
+ obj = mock("regexp")
+ obj.should_receive(:to_regexp).and_return("string")
+ -> { Regexp.try_convert(obj) }.should raise_error(TypeError, "can't convert MockObject to Regexp (MockObject#to_regexp gives String)")
+ end
end