diff options
Diffstat (limited to 'spec/ruby/core/array/each_spec.rb')
-rw-r--r-- | spec/ruby/core/array/each_spec.rb | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/spec/ruby/core/array/each_spec.rb b/spec/ruby/core/array/each_spec.rb new file mode 100644 index 0000000000..a8bac6442e --- /dev/null +++ b/spec/ruby/core/array/each_spec.rb @@ -0,0 +1,32 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) +require File.expand_path('../shared/enumeratorize', __FILE__) +require File.expand_path('../../enumerable/shared/enumeratorized', __FILE__) + +# Modifying a collection while the contents are being iterated +# gives undefined behavior. See +# http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/23633 + +describe "Array#each" do + it "yields each element to the block" do + a = [] + x = [1, 2, 3] + x.each { |item| a << item }.should equal(x) + a.should == [1, 2, 3] + end + + it "yields each element to a block that takes multiple arguments" do + a = [[1, 2], :a, [3, 4]] + b = [] + + a.each { |x, y| b << x } + b.should == [1, :a, 3] + + b = [] + a.each { |x, y| b << y } + b.should == [2, nil, 4] + end + + it_behaves_like :enumeratorize, :each + it_behaves_like :enumeratorized_with_origin_size, :each, [1,2,3] +end |