1 files changed, 33 insertions, 0 deletions
diff --git a/spec/ruby/core/enumerable/select_spec.rb b/spec/ruby/core/enumerable/select_spec.rb
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+++ b/spec/ruby/core/enumerable/select_spec.rb
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+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/enumerable_enumeratorized'
+
+describe "Enumerable#select" do
+  before :each do
+    ScratchPad.record []
+    @elements = (1..10).to_a
+    @numerous = EnumerableSpecs::Numerous.new(*@elements)
+  end
+
+  it "returns all elements for which the block is not false" do
+    @numerous.select {|i| i % 3 == 0 }.should == [3, 6, 9]
+    @numerous.select {|i| true }.should == @elements
+    @numerous.select {|i| false }.should == []
+  end
+
+  it "returns an enumerator when no block given" do
+    @numerous.select.should.instance_of?(Enumerator)
+  end
+
+  it "passes through the values yielded by #each_with_index" do
+    [:a, :b].each_with_index.select { |x, i| ScratchPad << [x, i] }
+    ScratchPad.recorded.should == [[:a, 0], [:b, 1]]
+  end
+
+  it "gathers whole arrays as elements when each yields multiple" do
+    multi = EnumerableSpecs::YieldsMulti.new
+    multi.select {|e| e == [3, 4, 5] }.should == [[3, 4, 5]]
+  end
+
+  it_behaves_like :enumerable_enumeratorized_with_origin_size, :select
+end