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* For easier modifications of ruby/spec by MRI developers. * .gitignore: track changes under spec. * spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec. These files can therefore be updated like any other file in MRI. Instructions are provided in spec/README. [Feature #13156] [ruby-core:79246] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
18 lines
495 B
Ruby
18 lines
495 B
Ruby
require File.expand_path('../../../../spec_helper', __FILE__)
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require 'matrix'
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describe "Vector#normalize" do
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it "returns a normalized copy of the vector" do
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x = 0.2672612419124244
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Vector[1, 2, 3].normalize.should == Vector[x, x * 2, x * 3]
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end
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it "raises an error for zero vectors" do
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lambda {
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Vector[].normalize
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}.should raise_error(Vector::ZeroVectorError)
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lambda {
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Vector[0, 0, 0].normalize
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}.should raise_error(Vector::ZeroVectorError)
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end
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end
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