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-rw-r--r--spec/ruby/core/complex/negative_spec.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/spec/ruby/core/complex/negative_spec.rb b/spec/ruby/core/complex/negative_spec.rb
index 5b51933106..62ab89c04a 100644
--- a/spec/ruby/core/complex/negative_spec.rb
+++ b/spec/ruby/core/complex/negative_spec.rb
@@ -1,10 +1,12 @@
+require_relative '../../spec_helper'
+
describe "Complex#negative?" do
it "is undefined" do
c = Complex(1)
c.methods.should_not include(:negative?)
- lambda {
+ -> {
c.negative?
}.should raise_error(NoMethodError)
end