Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

package agent

​

import "testing"

​

func TestCutAfterN(t *testing.T) {

    type args struct {

        s string

        n int

    }

    tests := []struct {

        name string

        args args

        want string

    }{

        {"+base", args{"foobar", 3}, "foo"},

        {"+shorter string", args{"foo", 4}, "foo"},

        {"+cut after zero", args{"foobar", 0}, ""},

        {"+shorter by one byte", args{"foo", 2}, "fo"},

        {"-empty string", args{"", 3}, ""},

        {"-empty", args{"", 0}, ""},

        {"-one utf-8 character", args{"ыы", 1}, "ы"},

        {"-two utf-8 characters", args{"ыыыы", 2}, "ыы"},

        {"-japanese utf-8 characters", args{"日本語", 2}, "日本"},

    }

    for _, tt := range tests {

        t.Run(tt.name, func(t *testing.T) {

            if got := CutAfterN(tt.args.s, tt.args.n); got != tt.want {

                t.Errorf("CutAfterN() = %v, want %v", got, tt.want)

            }

        })

    }

}