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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
23 lines
447 B
Ruby
23 lines
447 B
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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require 'matrix'
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describe "Matrix#[]" do
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before :all do
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@m = Matrix[[0, 1, 2], [3, 4, 5], [6, 7, 8], [9, 10, 11]]
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end
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it "returns element at (i, j)" do
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(0..3).each do |i|
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(0..2).each do |j|
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@m[i, j].should == (i * 3) + j
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end
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end
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end
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it "returns nil for an invalid index pair" do
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@m[8,1].should be_nil
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@m[1,8].should be_nil
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end
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end
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