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-rw-r--r--spec/ruby/core/complex/polar_spec.rb16
1 files changed, 16 insertions, 0 deletions
diff --git a/spec/ruby/core/complex/polar_spec.rb b/spec/ruby/core/complex/polar_spec.rb
index 2a5d8ebd69..3bb3751bc6 100644
--- a/spec/ruby/core/complex/polar_spec.rb
+++ b/spec/ruby/core/complex/polar_spec.rb
@@ -10,6 +10,22 @@ describe "Complex.polar" do
->{ Complex.polar(nil) }.should raise_error(TypeError)
->{ Complex.polar(nil, nil) }.should raise_error(TypeError)
end
+
+ ruby_bug "#19004", ""..."3.2" do
+ it "computes the real values of the real & imaginary parts from the polar form" do
+ a = Complex.polar(1.0+0.0i, Math::PI/2+0.0i)
+ a.real.should be_close(0.0, TOLERANCE)
+ a.imag.should be_close(1.0, TOLERANCE)
+ a.real.real?.should be_true
+ a.imag.real?.should be_true
+
+ b = Complex.polar(1+0.0i)
+ b.real.should be_close(1.0, TOLERANCE)
+ b.imag.should be_close(0.0, TOLERANCE)
+ b.real.real?.should be_true
+ b.imag.real?.should be_true
+ end
+ end
end
describe "Complex#polar" do