diff options
| author | Benoit Daloze <[email protected]> | 2019-09-29 16:03:58 +0200 |
|---|---|---|
| committer | Benoit Daloze <[email protected]> | 2019-09-29 16:03:58 +0200 |
| commit | 1c938a72aa9378f982dbc55327e86150c47b8707 (patch) | |
| tree | 34a0bb0a45396c26eed111877a810c3aa793bff5 /spec/ruby/library/cmath/math/shared/cos.rb | |
| parent | 31bb66a19df26409c9d47afcf37919c9a065516a (diff) | |
Update to ruby/spec@519df35
Diffstat (limited to 'spec/ruby/library/cmath/math/shared/cos.rb')
| -rw-r--r-- | spec/ruby/library/cmath/math/shared/cos.rb | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/spec/ruby/library/cmath/math/shared/cos.rb b/spec/ruby/library/cmath/math/shared/cos.rb new file mode 100644 index 0000000000..31cb5ab1e5 --- /dev/null +++ b/spec/ruby/library/cmath/math/shared/cos.rb @@ -0,0 +1,30 @@ +require_relative '../fixtures/classes' + +describe :complex_math_cos, shared: true do + it "returns the cosine of the argument expressed in radians" do + @object.send(:cos, CMath::PI).should be_close(-1.0, TOLERANCE) + @object.send(:cos, 0).should be_close(1.0, TOLERANCE) + @object.send(:cos, CMath::PI/2).should be_close(0.0, TOLERANCE) + @object.send(:cos, 3*Math::PI/2).should be_close(0.0, TOLERANCE) + @object.send(:cos, 2*Math::PI).should be_close(1.0, TOLERANCE) + end + + it "returns the cosine for Complex numbers" do + @object.send(:cos, Complex(0, CMath::PI)).should be_close(Complex(11.5919532755215, 0.0), TOLERANCE) + @object.send(:cos, Complex(3, 4)).should be_close(Complex(-27.0349456030742, -3.85115333481178), TOLERANCE) + end +end + +describe :complex_math_cos_bang, shared: true do + it "returns the cosine of the argument expressed in radians" do + @object.send(:cos!, CMath::PI).should be_close(-1.0, TOLERANCE) + @object.send(:cos!, 0).should be_close(1.0, TOLERANCE) + @object.send(:cos!, CMath::PI/2).should be_close(0.0, TOLERANCE) + @object.send(:cos!, 3*Math::PI/2).should be_close(0.0, TOLERANCE) + @object.send(:cos!, 2*Math::PI).should be_close(1.0, TOLERANCE) + end + + it "raises a TypeError when passed a Complex number" do + -> { @object.send(:cos!, Complex(3, 4)) }.should raise_error(TypeError) + end +end |