diff options
Diffstat (limited to 'spec/ruby/core/complex/arg_spec.rb')
| -rw-r--r-- | spec/ruby/core/complex/arg_spec.rb | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/spec/ruby/core/complex/arg_spec.rb b/spec/ruby/core/complex/arg_spec.rb index 009f19429f..dd64102d77 100644 --- a/spec/ruby/core/complex/arg_spec.rb +++ b/spec/ruby/core/complex/arg_spec.rb @@ -1,6 +1,11 @@ require_relative '../../spec_helper' -require_relative 'shared/arg' describe "Complex#arg" do - it_behaves_like :complex_arg, :arg + it "returns the argument -- i.e., the angle from (1, 0) in the complex plane" do + two_pi = 2 * Math::PI + (Complex(1, 0).arg % two_pi).should be_close(0, TOLERANCE) + (Complex(0, 2).arg % two_pi).should be_close(Math::PI * 0.5, TOLERANCE) + (Complex(-100, 0).arg % two_pi).should be_close(Math::PI, TOLERANCE) + (Complex(0, -75.3).arg % two_pi).should be_close(Math::PI * 1.5, TOLERANCE) + end end |