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// Copyright 2015 Huan Du. All rights reserved.
// Licensed under the MIT license that can be found in the LICENSE file.
package xstrings
import (
"strconv"
"strings"
"testing"
)
func TestExpandTabs(t *testing.T) {
runner := func(str string) (result string) {
defer func() {
if e := recover(); e != nil {
result = e.(string)
}
}()
input := strings.Split(str, separator)
n, _ := strconv.Atoi(input[1])
return ExpandTabs(input[0], n)
}
runTestCases(t, runner, _M{
sep("a\tbc\tdef\tghij\tk", "4"): "a bc def ghij k",
sep("abcdefg\thij\nk\tl", "4"): "abcdefg hij\nk l",
sep("z中\t文\tw", "4"): "z中 文 w",
sep("abcdef", "4"): "abcdef",
sep("abc\td\tef\tghij\nk\tl", "3"): "abc d ef ghij\nk l",
sep("abc\td\tef\tghij\nk\tl", "1"): "abc d ef ghij\nk l",
sep("abc", "0"): "tab size must be positive",
sep("abc", "-1"): "tab size must be positive",
})
}
func TestLeftJustify(t *testing.T) {
runner := func(str string) string {
input := strings.Split(str, separator)
n, _ := strconv.Atoi(input[1])
return LeftJustify(input[0], n, input[2])
}
runTestCases(t, runner, _M{
sep("hello", "4", " "): "hello",
sep("hello", "10", " "): "hello ",
sep("hello", "10", "123"): "hello12312",
sep("hello中文test", "4", " "): "hello中文test",
sep("hello中文test", "12", " "): "hello中文test ",
sep("hello中文test", "18", "测试！"): "hello中文test测试！测试！测",
sep("hello中文test", "0", "123"): "hello中文test",
sep("hello中文test", "18", ""): "hello中文test",
})
}
func TestRightJustify(t *testing.T) {
runner := func(str string) string {
input := strings.Split(str, separator)
n, _ := strconv.Atoi(input[1])
return RightJustify(input[0], n, input[2])
}
runTestCases(t, runner, _M{
sep("hello", "4", " "): "hello",
sep("hello", "10", " "): " hello",
sep("hello", "10", "123"): "12312hello",
sep("hello中文test", "4", " "): "hello中文test",
sep("hello中文test", "12", " "): " hello中文test",
sep("hello中文test", "18", "测试！"): "测试！测试！测hello中文test",
sep("hello中文test", "0", "123"): "hello中文test",
sep("hello中文test", "18", ""): "hello中文test",
})
}
func TestCenter(t *testing.T) {
runner := func(str string) string {
input := strings.Split(str, separator)
n, _ := strconv.Atoi(input[1])
return Center(input[0], n, input[2])
}
runTestCases(t, runner, _M{
sep("hello", "4", " "): "hello",
sep("hello", "10", " "): " hello ",
sep("hello", "10", "123"): "12hello123",
sep("hello中文test", "4", " "): "hello中文test",
sep("hello中文test", "12", " "): "hello中文test ",
sep("hello中文test", "18", "测试！"): "测试！hello中文test测试！测",
sep("hello中文test", "0", "123"): "hello中文test",
sep("hello中文test", "18", ""): "hello中文test",
})
}
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