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fix Bug for DeleteWhiteSpace when str is other utf8 string, eg. chinese #30

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fix Bug for DeleteWhiteSpace when str is other utf8 string, eg. chinese #30

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20 changes: 5 additions & 15 deletions stringutils.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,6 @@ limitations under the License.
package goutils

import (
"bytes"
"fmt"
"strings"
"unicode"
Expand Down Expand Up @@ -107,23 +106,14 @@ Returns:
the string without whitespaces
*/
func DeleteWhiteSpace(str string) string {
if str == "" {
return str
}
sz := len(str)
var chs bytes.Buffer
count := 0
for i := 0; i < sz; i++ {
ch := rune(str[i])
var b strings.Builder
b.Grow(len(str))
for _, ch := range str {
if !unicode.IsSpace(ch) {
chs.WriteRune(ch)
count++
b.WriteRune(ch)
}
}
if count == sz {
return str
}
return chs.String()
return b.String()
}

/*
Expand Down
8 changes: 8 additions & 0 deletions stringutils_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -148,6 +148,14 @@ func TestDeleteWhiteSpace(t *testing.T) {
if x := DeleteWhiteSpace(str); x != out {
t.Errorf("IndexOf(%v) = %v, want %v", str, x, out)
}

// Test 3
str = " 测试 测试 测试 "
out = "测试测试测试"

if x := DeleteWhiteSpace(str); x != out {
t.Errorf("IndexOf(%v) = %v, want %v", str, x, out)
}
}

func TestIndexOfDifference(t *testing.T) {
Expand Down