From 1d15d5f08032acf1b7bceacbb450d617ff6e0931 Mon Sep 17 00:00:00 2001 From: eregon Date: Wed, 20 Sep 2017 20:18:52 +0000 Subject: Move spec/rubyspec to spec/ruby for consistency * Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- spec/ruby/library/complex/math/shared/atan.rb | 32 +++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 spec/ruby/library/complex/math/shared/atan.rb (limited to 'spec/ruby/library/complex/math/shared/atan.rb') diff --git a/spec/ruby/library/complex/math/shared/atan.rb b/spec/ruby/library/complex/math/shared/atan.rb new file mode 100644 index 0000000000..44fa65e1e9 --- /dev/null +++ b/spec/ruby/library/complex/math/shared/atan.rb @@ -0,0 +1,32 @@ +require File.expand_path('../../fixtures/classes', __FILE__) + +describe :complex_math_atan, shared: true do + it "returns the arctangent of the argument" do + @object.send(:atan, 1).should be_close(Math::PI/4, TOLERANCE) + @object.send(:atan, 0).should be_close(0.0, TOLERANCE) + @object.send(:atan, -1).should be_close(-Math::PI/4, TOLERANCE) + @object.send(:atan, 0.25).should be_close(0.244978663126864, TOLERANCE) + @object.send(:atan, 0.50).should be_close(0.463647609000806, TOLERANCE) + @object.send(:atan, 0.75).should be_close(0.643501108793284, TOLERANCE) + end + + it "returns the arctangent for Complex numbers" do + @object.send(:atan, Complex(3, 4)).should be_close(Complex(1.44830699523146, 0.158997191679999), TOLERANCE) + @object.send(:atan, Complex(3.5, -4)).should be_close(Complex(1.44507428165589, -0.140323762363786), TOLERANCE) + end +end + +describe :complex_math_atan_bang, shared: true do + it "returns the arctangent of the argument" do + @object.send(:atan!, 1).should be_close(Math::PI/4, TOLERANCE) + @object.send(:atan!, 0).should be_close(0.0, TOLERANCE) + @object.send(:atan!, -1).should be_close(-Math::PI/4, TOLERANCE) + @object.send(:atan!, 0.25).should be_close(0.244978663126864, TOLERANCE) + @object.send(:atan!, 0.50).should be_close(0.463647609000806, TOLERANCE) + @object.send(:atan!, 0.75).should be_close(0.643501108793284, TOLERANCE) + end + + it "raises a TypeError when passed a Complex number" do + lambda { @object.send(:atan!, Complex(4, 5)) }.should raise_error(TypeError) + end +end -- cgit v1.2.3