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Diffstat (limited to 'spec/ruby/core/complex/finite_spec.rb')
-rw-r--r-- | spec/ruby/core/complex/finite_spec.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/spec/ruby/core/complex/finite_spec.rb b/spec/ruby/core/complex/finite_spec.rb new file mode 100644 index 0000000000..e9ee19bef3 --- /dev/null +++ b/spec/ruby/core/complex/finite_spec.rb @@ -0,0 +1,36 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +ruby_version_is "2.4" do + describe "Complex#finite?" do + it "returns true if magnitude is finite" do + (1+1i).finite?.should == true + end + + it "returns false for positive infinity" do + value = Complex(Float::INFINITY, 42) + value.finite?.should == false + end + + it "returns false for positive complex with infinite imaginary" do + value = Complex(1, Float::INFINITY) + value.finite?.should == false + end + + it "returns false for negative infinity" do + value = -Complex(Float::INFINITY, 42) + value.finite?.should == false + end + + it "returns false for negative complex with infinite imaginary" do + value = -Complex(1, Float::INFINITY) + value.finite?.should == false + end + + ruby_bug "#14014", "2.4"..."2.5" do + it "returns false for NaN" do + value = Complex(Float::NAN, Float::NAN) + value.finite?.should == false + end + end + end +end |