Sha256: 8bb0c5a85652f4e6dc5f375774b0bd055d34883d5dd8b4d326725301a7189888

Contents?: true

Size: 1.48 KB

Versions: 64

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Stored size: 1.48 KB

Contents

require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/fixtures/classes'

# sine : (-Inf, Inf) --> (-1.0, 1.0)
describe "Math.sin" do 
  it "returns a float" do 
    Math.sin(Math::PI).should be_kind_of(Float)
  end 
  
  it "returns the sine of the argument expressed in radians" do    
    Math.sin(Math::PI).should be_close(0.0, TOLERANCE)
    Math.sin(0).should be_close(0.0, TOLERANCE)
    Math.sin(Math::PI/2).should be_close(1.0, TOLERANCE)    
    Math.sin(3*Math::PI/2).should be_close(-1.0, TOLERANCE)
    Math.sin(2*Math::PI).should be_close(0.0, TOLERANCE)
  end  
 
  ruby_version_is ""..."1.9" do
    it "raises an ArgumentError if the argument cannot be coerced with Float()" do    
      lambda { Math.sin("test") }.should raise_error(ArgumentError)
    end
  end
  
  ruby_version_is "1.9" do
    it "raises a TypeError if the argument cannot be coerced with Float()" do    
      lambda { Math.sin("test") }.should raise_error(TypeError)
    end
  end

  it "raises a TypeError if the argument is nil" do
    lambda { Math.sin(nil) }.should raise_error(TypeError)
  end  
  
  it "accepts any argument that can be coerced with Float()" do
    Math.sin(MathSpecs::Float.new).should be_close(0.841470984807897, TOLERANCE)
  end
end

describe "Math#sin" do
  it "is accessible as a private instance method" do
    IncludesMath.new.send(:sin, 1.21).should be_close(0.935616001553386, TOLERANCE)
  end
end

Version data entries

64 entries across 64 versions & 1 rubygems

Version Path
rhodes-3.1.1 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.1.1.beta spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.1.0 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.1.0.beta.5 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.1.0.beta.4 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.1.0.beta.3 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.1.0.beta.2 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.1.0.beta.1 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.0.2 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.0.2.beta.1 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.0.1 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.0.1.beta.8 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.0.1.beta.7 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.0.1.beta.6 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.0.1.beta.5 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.0.1.beta.4 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.0.1.beta.3 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.0.1.beta.2 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.0.0 spec/framework_spec/app/spec/core/math/sin_spec.rb
rhodes-3.0.0.beta.7 spec/framework_spec/app/spec/core/math/sin_spec.rb