package kata_test

import (
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	. "code.osinet.fr/fgm/codewars/kyu5/gap_in_primes"
)

func dotest(k, start, nd int, exp []int) {
	var ans = Gap(k, start, nd)
	Expect(ans).To(Equal(exp))
}

var _ = Describe("Test Example", func() {

	It("should handle basic cases", func() {
		dotest(2, 100, 110, []int{101, 103})
		dotest(4, 100, 110, []int{103, 107})
		dotest(6, 100, 110, nil)
		dotest(8, 300, 400, []int{359, 367})
		dotest(10, 300, 400, []int{337, 347})
		dotest(4, 30000, 100000, []int{30109, 30113})
		dotest(6, 30000, 100000, []int{30091, 30097})
		dotest(8, 30000, 100000, []int{30161, 30169})
		dotest(11, 30000, 100000, nil)
		dotest(2, 10000000, 11000000, []int{10000139, 10000141})
	})
})