Contents

require 'spec_helper'

describe Vertex do
  describe ".parse" do
    context "with a correctly formatted vertex" do
      before do
        @result = Vertex.parse("  vertex 16.5 0.0 -0.75\n")
      end
      
      it "should return a vertex object" do
        @result.should be_a Vertex
      end
      
      it "should correctly set the X value" do
        @result.x.should == 16.5
      end
      
      it "should correctly set the Y value" do
        @result.y.should == 0
      end
      
      it "should correctly set the Z value" do
        @result.z.should == -0.75
      end
    end
  end
  
  describe "#to_s" do
    it "should return the keyword 'vertex' followed by the XYZ coordinates" do
      vertex = Vertex.new(1.0, 2.0, -3.0)
      vertex.to_s.should == "vertex 1.0 2.0 -3.0"
    end
  end
  
  describe "#==" do
    it "should return true when the vertices have identical values" do
      (Vertex.new(1.0, 2.0, -3.1) == Vertex.new(1.0, 2.0, -3.1)).should be_true
    end
    
    it "should return false when the vertices do not have identical values" do
      (Vertex.new(1.0, 2.0, -3.1) == Vertex.new(1.0, 2.0, -3.2)).should be_false
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
triangular-0.0.2	spec/vertex_spec.rb
triangular-0.0.1	spec/vertex_spec.rb