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ruby--ruby/spec/ruby/core/array/shared/select.rb
eregon b1a8c64483 Add a new #filter alias for #select
* In Enumerable, Enumerator::Lazy, Array, Hash and Set
  [Feature #13784] [ruby-core:82285]
* Share specs for the various #select#select! methods and
  reuse them for #filter/#filter!.
* Add corresponding filter tests for select tests.
* Update NEWS.

[Fix GH-1824]

From: Alexander Patrick <adp90@case.edu>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62575 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-02-25 13:52:07 +00:00

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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('../../shared/keep_if', __FILE__)
require File.expand_path('../../../enumerable/shared/enumeratorized', __FILE__)
describe :array_select, shared: true do
it_should_behave_like :enumeratorize
before :each do
@object = [1,2,3]
end
it_should_behave_like :enumeratorized_with_origin_size
it "returns a new array of elements for which block is true" do
[1, 3, 4, 5, 6, 9].send(@method) { |i| i % ((i + 1) / 2) == 0}.should == [1, 4, 6]
end
it "does not return subclass instance on Array subclasses" do
ArraySpecs::MyArray[1, 2, 3].send(@method) { true }.should be_an_instance_of(Array)
end
it "properly handles recursive arrays" do
empty = ArraySpecs.empty_recursive_array
empty.send(@method) { true }.should == empty
empty.send(@method) { false }.should == []
array = ArraySpecs.recursive_array
array.send(@method) { true }.should == [1, 'two', 3.0, array, array, array, array, array]
array.send(@method) { false }.should == []
end
end