palindrome-spec.rb

require './palindrome'

describe '#next_palindrome' do
  it "should return the next smallest number that is greater than the given number which is a palindrome" do
    expect(next_palindrome(121)).to eq(131)
  end
  it "should return the next smallest number that is greater than the given number which is a palindrome" do
    expect(next_palindrome(1221)).to eq(1331)
  end
  it "should return the next smallest number that is greater than the given number which is a palindrome" do
    expect(next_palindrome(1991)).to eq(2002)
  end
  it "should return the next smallest number that is greater than the given number which is a palindrome" do
    expect(next_palindrome(2199912)).to eq(2200022)
  end
  it "should return the next smallest number that is greater than the given number which is a palindrome" do
    expect(next_palindrome(2129212)).to eq(2130312)
  end
  it "should return the next smallest number that is greater than the given number which is a palindrome" do
    expect(next_palindrome(999)).to eq(1001)
  end
  it "should return the next smallest number that is greater than the given number which is a palindrome" do
    expect(next_palindrome(99)).to eq(101)
  end
end