word-break_test.go

package problem0139

import (
	"fmt"
	"testing"

	"github.com/stretchr/testify/assert"
)

// tcs is testcase slice
var tcs = []struct {
	s        string
	wordDict []string
	ans      bool
}{

	{
		"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab",
		[]string{"a", "aa", "aaa", "aaaa", "aaaaa", "aaaaaa", "aaaaaaa", "aaaaaaaa", "aaaaaaaaa", "aaaaaaaaaa"},
		false,
	},

	{
		"bb",
		[]string{"a", "b", "bbb", "bbbb"},
		true,
	},

	{
		"a",
		[]string{},
		false,
	},

	{
		"aaaaaaa",
		[]string{"aaaa", "aaa"},
		true,
	},

	{
		"leetc",
		[]string{"leet", "code"},
		false,
	},

	{
		"leetcode",
		[]string{"leet", "code"},
		true,
	},

	{
		"leetleet",
		[]string{"leet", "code"},
		true,
	},

	// 可以有多个 testcase
}

func Test_wordBreak(t *testing.T) {
	ast := assert.New(t)

	for _, tc := range tcs {
		fmt.Printf("~~%v~~\n", tc)
		ast.Equal(tc.ans, wordBreak(tc.s, tc.wordDict), "输入:%v", tc)
	}
}

func Benchmark_wordBreak(b *testing.B) {
	for i := 0; i < b.N; i++ {
		for _, tc := range tcs {
			wordBreak(tc.s, tc.wordDict)
		}
	}
}