// Gulu - Golang common utilities for everyone.
// Copyright (c) 2019-present, b3log.org
//
// Gulu is licensed under Mulan PSL v2.
// You can use this software according to the terms and conditions of the Mulan PSL v2.
// You may obtain a copy of Mulan PSL v2 at:
//         http://license.coscl.org.cn/MulanPSL2
// THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
// See the Mulan PSL v2 for more details.

package gulu

import "testing"

func TestIsNumOrLetter(t *testing.T) {
	if !Rune.IsNumOrLetter(rune('0')) {
		t.Fail()
	}
	if Rune.IsNumOrLetter(rune('@')) {
		t.Fail()
	}
}

func TestIsLetter(t *testing.T) {
	if !Rune.IsLetter(rune('a')) {
		t.Fail()
	}
	if Rune.IsLetter(rune('0')) {
		t.Fail()
	}
}

func TestContainsChinese(t *testing.T) {
	if !Rune.ContainChinese("Hello 世界") {
		t.Fail()
	}
	if Rune.ContainChinese("Hello World") {
		t.Fail()
	}
	if Rune.ContainChinese("Hello，World") {
		t.Fail()
	}
}
