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Diffstat (limited to 'spec/ruby/core/numeric/to_c_spec.rb')
-rw-r--r-- | spec/ruby/core/numeric/to_c_spec.rb | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/spec/ruby/core/numeric/to_c_spec.rb b/spec/ruby/core/numeric/to_c_spec.rb new file mode 100644 index 0000000000..38452231b0 --- /dev/null +++ b/spec/ruby/core/numeric/to_c_spec.rb @@ -0,0 +1,45 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "Numeric#to_c" do + before :all do + @numbers = [ + 0, + 29871, + 99999999999999**99, + -72628191273, + Rational(2,3), + Rational(1.898), + Rational(-238), + 29282.2827, + -2927.00091, + 0.0, + 12.0, + Float::MAX, + infinity_value, + nan_value + ] + end + + it "returns a Complex object" do + @numbers.each do |number| + number.to_c.should be_an_instance_of(Complex) + end + end + + it "uses self as the real component" do + @numbers.each do |number| + real = number.to_c.real + if Float === number and number.nan? + real.nan?.should be_true + else + real.should == number + end + end + end + + it "uses 0 as the imaginary component" do + @numbers.each do |number| + number.to_c.imag.should == 0 + end + end +end |