mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
1d15d5f080
* 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
74 lines
2 KiB
Ruby
74 lines
2 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
|
|
require 'matrix'
|
|
|
|
describe "Matrix#each" do
|
|
before :all do
|
|
@m = Matrix[ [1, 2, 3], [4, 5, 6] ]
|
|
@result = (1..6).to_a
|
|
end
|
|
|
|
it "returns an Enumerator when called without a block" do
|
|
enum = @m.each
|
|
enum.should be_an_instance_of(Enumerator)
|
|
enum.to_a.should == @result
|
|
end
|
|
|
|
it "returns self" do
|
|
@m.each{}.should equal(@m)
|
|
end
|
|
|
|
it "yields the elements starting with the those of the first row" do
|
|
a = []
|
|
@m.each {|x| a << x}
|
|
a.should == @result
|
|
end
|
|
end
|
|
|
|
describe "Matrix#each with an argument" do
|
|
before :all do
|
|
@m = Matrix[ [1, 2, 3, 4], [5, 6, 7, 8] ]
|
|
@t = Matrix[ [1, 2], [3, 4], [5, 6], [7, 8] ]
|
|
end
|
|
|
|
it "raises an ArgumentError for unrecognized argument" do
|
|
lambda {
|
|
@m.each("all"){}
|
|
}.should raise_error(ArgumentError)
|
|
lambda {
|
|
@m.each(nil){}
|
|
}.should raise_error(ArgumentError)
|
|
lambda {
|
|
@m.each(:left){}
|
|
}.should raise_error(ArgumentError)
|
|
end
|
|
|
|
it "yields the rights elements when passed :diagonal" do
|
|
@m.each(:diagonal).to_a.should == [1, 6]
|
|
@t.each(:diagonal).to_a.should == [1, 4]
|
|
end
|
|
|
|
it "yields the rights elements when passed :off_diagonal" do
|
|
@m.each(:off_diagonal).to_a.should == [2, 3, 4, 5, 7, 8]
|
|
@t.each(:off_diagonal).to_a.should == [2, 3, 5, 6, 7, 8]
|
|
end
|
|
|
|
it "yields the rights elements when passed :lower" do
|
|
@m.each(:lower).to_a.should == [1, 5, 6]
|
|
@t.each(:lower).to_a.should == [1, 3, 4, 5, 6, 7, 8]
|
|
end
|
|
|
|
it "yields the rights elements when passed :strict_lower" do
|
|
@m.each(:strict_lower).to_a.should == [5]
|
|
@t.each(:strict_lower).to_a.should == [3, 5, 6, 7, 8]
|
|
end
|
|
|
|
it "yields the rights elements when passed :strict_upper" do
|
|
@m.each(:strict_upper).to_a.should == [2, 3, 4, 7, 8]
|
|
@t.each(:strict_upper).to_a.should == [2]
|
|
end
|
|
|
|
it "yields the rights elements when passed :upper" do
|
|
@m.each(:upper).to_a.should == [1, 2, 3, 4, 6, 7, 8]
|
|
@t.each(:upper).to_a.should == [1, 2, 4]
|
|
end
|
|
end
|