require File.expand_path('../../../spec_helper', __FILE__)

describe "Array#drop_while" do
  it "removes elements from the start of the array while the block evaluates to true" do
    [1, 2, 3, 4].drop_while { |n| n < 4 }.should == [4]
  end

  it "removes elements from the start of the array until the block returns nil" do
    [1, 2, 3, nil, 5].drop_while { |n| n }.should == [nil, 5]
  end

  it "removes elements from the start of the array until the block returns false" do
    [1, 2, 3, false, 5].drop_while { |n| n }.should == [false, 5]
  end
end