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authoreregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
committereregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
commit1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch)
treea3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/library/complex/math/shared/cos.rb
parent75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff)
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
Diffstat (limited to 'spec/ruby/library/complex/math/shared/cos.rb')
-rw-r--r--spec/ruby/library/complex/math/shared/cos.rb30
1 files changed, 30 insertions, 0 deletions
diff --git a/spec/ruby/library/complex/math/shared/cos.rb b/spec/ruby/library/complex/math/shared/cos.rb
new file mode 100644
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+++ b/spec/ruby/library/complex/math/shared/cos.rb
@@ -0,0 +1,30 @@
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+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
+ lambda { @object.send(:cos!, Complex(3, 4)) }.should raise_error(TypeError)
+ end
+end