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* 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
41 lines
964 B
Ruby
41 lines
964 B
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes', __FILE__)
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require 'matrix'
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describe "Matrix.rows" do
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before :each do
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@a = [1, 2]
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@b = [3, 4]
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@m = Matrix.rows([@a, @b])
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end
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it "returns a Matrix" do
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@m.should be_kind_of(Matrix)
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end
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it "creates a matrix from argument rows" do
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@m.row(0).to_a.should == @a
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@m.row(1).to_a.should == @b
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end
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it "copies the original rows by default" do
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@a << 3
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@b << 6
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@m.row(0).should_not equal(@a)
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@m.row(1).should_not equal(@b)
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end
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it "references the original rows if copy is false" do
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@m_ref = Matrix.rows([@a, @b], false)
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@a << 3
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@b << 6
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@m_ref.row(0).to_a.should == @a
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@m_ref.row(1).to_a.should == @b
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end
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describe "for a subclass of Matrix" do
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it "returns an instance of that subclass" do
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MatrixSub.rows([[0, 1], [0, 1]]).should be_an_instance_of(MatrixSub)
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end
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end
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end
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