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describe :enumerable_find_all, :shared => true 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.send(@method) {|i| i % 3 == 0 }.should == [3, 6, 9]
@numerous.send(@method) {|i| true }.should == @elements
@numerous.send(@method) {|i| false }.should == []
end
ruby_version_is ""..."1.8.7" do
it "raises a LocalJumpError if no block given" do
lambda { @numerous.send(@method) }.should raise_error(LocalJumpError)
end
end
ruby_version_is "1.8.7" do
it "returns an enumerator when no block given" do
@numerous.send(@method).should be_an_instance_of(enumerator_class)
end
it "passes through the values yielded by #each_with_index" do
[:a, :b].each_with_index.send(@method) { |x, i| ScratchPad << [x, i] }
ScratchPad.recorded.should == [[:a, 0], [:b, 1]]
end
end
it "gathers whole arrays as elements when each yields multiple" do
multi = EnumerableSpecs::YieldsMulti.new
multi.send(@method) {|e| e == [3, 4, 5] }.should == [[3, 4, 5]]
end
end
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