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Diffstat (limited to 'spec/ruby/shared/complex/to_s.rb')
-rw-r--r-- | spec/ruby/shared/complex/to_s.rb | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/spec/ruby/shared/complex/to_s.rb b/spec/ruby/shared/complex/to_s.rb new file mode 100644 index 0000000000..03f4f98b84 --- /dev/null +++ b/spec/ruby/shared/complex/to_s.rb @@ -0,0 +1,44 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe :complex_to_s, shared: true do + describe "when self's real component is 0" do + it "returns both the real and imaginary component even when the real is 0" do + Complex(0, 5).to_s.should == "0+5i" + Complex(0, -3.2).to_s.should == "0-3.2i" + end + end + + it "returns self as String" do + Complex(1, 5).to_s.should == "1+5i" + Complex(-2.5, 1.5).to_s.should == "-2.5+1.5i" + + Complex(1, -5).to_s.should == "1-5i" + Complex(-2.5, -1.5).to_s.should == "-2.5-1.5i" + + # Guard against the Mathn library + conflicts_with :Prime do + Complex(1, 0).to_s.should == "1+0i" + Complex(1, -0).to_s.should == "1+0i" + end + end + + it "returns 1+0.0i for Complex(1, 0.0)" do + Complex(1, 0.0).to_s.should == "1+0.0i" + end + + it "returns 1-0.0i for Complex(1, -0.0)" do + Complex(1, -0.0).to_s.should == "1-0.0i" + end + + it "returns 1+Infinity*i for Complex(1, Infinity)" do + Complex(1, infinity_value).to_s.should == "1+Infinity*i" + end + + it "returns 1-Infinity*i for Complex(1, -Infinity)" do + Complex(1, -infinity_value).to_s.should == "1-Infinity*i" + end + + it "returns 1+NaN*i for Complex(1, NaN)" do + Complex(1, nan_value).to_s.should == "1+NaN*i" + end +end |