diff options
author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 20:18:52 +0000 |
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committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 20:18:52 +0000 |
commit | 1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch) | |
tree | a3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/library/matrix/row_spec.rb | |
parent | 75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff) |
Move spec/rubyspec to spec/ruby for consistency
* 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
Diffstat (limited to 'spec/ruby/library/matrix/row_spec.rb')
-rw-r--r-- | spec/ruby/library/matrix/row_spec.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/spec/ruby/library/matrix/row_spec.rb b/spec/ruby/library/matrix/row_spec.rb new file mode 100644 index 0000000000..e165e48f5f --- /dev/null +++ b/spec/ruby/library/matrix/row_spec.rb @@ -0,0 +1,36 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require 'matrix' + +describe "Matrix#row" do + before :all do + @m = Matrix[ [1, 2], [2, 3], [3, 4] ] + end + + it "returns a Vector when called without a block" do + @m.row(0).should == Vector[1,2] + end + + it "yields the elements of the row when called with a block" do + a = [] + @m.row(0) {|x| a << x} + a.should == [1,2] + end + + it "counts backwards for negative argument" do + @m.row(-1).should == Vector[3, 4] + end + + it "returns self when called with a block" do + @m.row(0) { |x| x }.should equal(@m) + end + + it "returns nil when out of bounds" do + @m.row(3).should == nil + @m.row(-4).should == nil + end + + it "never yields when out of bounds" do + lambda { @m.row(3){ raise } }.should_not raise_error + lambda { @m.row(-4){ raise } }.should_not raise_error + end +end |