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Diffstat (limited to 'spec/ruby/shared/complex/numeric/real.rb')
-rw-r--r-- | spec/ruby/shared/complex/numeric/real.rb | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/spec/ruby/shared/complex/numeric/real.rb b/spec/ruby/shared/complex/numeric/real.rb new file mode 100644 index 0000000000..0dcf2e8381 --- /dev/null +++ b/spec/ruby/shared/complex/numeric/real.rb @@ -0,0 +1,30 @@ +require File.expand_path('../../../../spec_helper', __FILE__) + +describe :numeric_real, shared: true do + before :each do + @numbers = [ + 20, # Integer + 398.72, # Float + Rational(3, 4), # Rational + bignum_value, # Bignum + infinity_value, + nan_value + ].map{|n| [n,-n]}.flatten + end + + it "returns self" do + @numbers.each do |number| + if number.to_f.nan? + number.real.nan?.should be_true + else + number.real.should == number + end + end + end + + it "raises an ArgumentError if given any arguments" do + @numbers.each do |number| + lambda { number.real(number) }.should raise_error(ArgumentError) + end + end +end |