require File.expand_path('../../../spec_helper', __FILE__) describe "Array#count" do it "returns the number of elements" do [:a, :b, :c].count.should == 3 end it "returns the number of elements that equal the argument" do [:a, :b, :b, :c].count(:b).should == 2 end it "returns the number of element for which the block evaluates to true" do [:a, :b, :c].count { |s| s != :b }.should == 2 end end