This commit is contained in:
Looly 2022-10-11 23:04:55 +08:00
parent 66d5e4d3e9
commit 7b7240aa4b

View File

@ -0,0 +1,52 @@
package cn.hutool.core.bean;
import cn.hutool.core.date.StopWatch;
import cn.hutool.core.lang.Console;
import lombok.Data;
import org.junit.Ignore;
import org.junit.Test;
import java.util.ArrayList;
import java.util.List;
public class Issue2649Test {
@Test
@Ignore
public void toListTest() {
final List<View1> view1List = new ArrayList<>();
for (int i = 0; i < 200; i++) {
final View1 view1 = new View1();
view1.setA(String.valueOf(i));
view1.setB(String.valueOf(i));
for (int j = 0; j < 2; j++) {
final View2 view2 = new View2();
view1.setA(String.valueOf(i));
view1.setB(String.valueOf(i));
view1.getViewList().add(view2);
}
view1List.add(view1);
}
final StopWatch stopWatch = new StopWatch();
stopWatch.start();
@SuppressWarnings("unused")
final List<View2> view2s = BeanUtil.copyToList(view1List, View2.class);
stopWatch.stop();
Console.log(stopWatch.getTotalTimeSeconds());
}
@Data
static class View1{
private String a;
private String b;
private List<View2> viewList = new ArrayList<>();
}
@Data
static class View2{
private String a;
private String b;
private List<View2> viewList = new ArrayList<>();
}
}