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Merge pull request #3176 from feg545/v5-dev

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增加按字节长度截断字符串方法
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Golden Looly
2023-06-30 10:29:21 +08:00
committed by GitHub
parent 77e455d98b e997b4e0a8
commit a51d0e6bd7
2 changed files with 122 additions and 9 deletions
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44
hutool-core/src/test/java/cn/hutool/core/util/StrUtilTest.java
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@@ -1,11 +1,12 @@
package cn.hutool.core.util;
import java.nio.charset.StandardCharsets;
import java.util.List;
import cn.hutool.core.lang.Dict;
import org.junit.Assert;
import org.junit.Test;
import java.util.List;
/**
* 字符串工具类单元测试
*
@@ -648,4 +649,43 @@ public class StrUtilTest {
final String result = StrUtil.indexedFormat(template, 10);
Assert.assertEquals("I'm 10 years old.", result);
}
@Test
public void truncateUtf8Test() {
String str = "这是This一段中英文";
String ret = StrUtil.truncateUtf8(str, 12);
Assert.assertEquals("这是Thi...", ret);
ret = StrUtil.truncateUtf8(str, 13);
Assert.assertEquals("这是This...", ret);
ret = StrUtil.truncateUtf8(str, 14);
Assert.assertEquals("这是This...", ret);
ret = StrUtil.truncateUtf8(str, 999);
Assert.assertEquals(str, ret);
}
@Test
public void truncateGb18030Test() {
String str = "这是This一段中英文";
String ret = StrUtil.truncateGb18030(str, 12);
Assert.assertEquals("这是This...", ret);
ret = StrUtil.truncateGb18030(str, 13);
Assert.assertEquals("这是This一...", ret);
ret = StrUtil.truncateGb18030(str, 14);
Assert.assertEquals("这是This一...", ret);
ret = StrUtil.truncateGb18030(str, 999);
Assert.assertEquals(str, ret);
}
@Test
public void truncateByByteLengthTest() {
String str = "This is English";
String ret = StrUtil.truncateByByteLength(str, StandardCharsets.ISO_8859_1,10, 1, false);
Assert.assertEquals("This is En", ret);
}
}