package leetcode

import (
	"testing"
)

func TestLongestCommonPrefix(t *testing.T) {
	qsts := []question{
		question{
			Q: []string{},
			A: "",
		},
		question{
			Q: []string{"abc"},
			A: "abc",
		},
		question{
			A: "fl",
			Q: []string{"flower", "flow", "flight"},
		},
		question{
			A: "",
			Q: []string{"dog", "racecar", "car"},
		},
	}
	for _, q := range qsts {
		qst := q.Q.([]string)
		res := q.A.(string)
		if r := longestCommonPrefix(qst); r != res {
			t.Fatalf("quest is: %+v, except result is: %v, but exec result is: %v", qst, res, r)
		}
	}
}