package funk import ( "fmt" "testing" ) func TestNextPermutation(t *testing.T) { type args struct { nums []int } tests := []struct { name string args args wantErr bool }{ { name: "case1", args: args{ nums: []int{1, 2, 3}, }, wantErr: false, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { if err := NextPermutation(tt.args.nums); (err != nil) != tt.wantErr { t.Errorf("NextPermutation() error = %v, wantErr %v", err, tt.wantErr) } else { fmt.Println(tt.args.nums) } }) } }