修复TypeUtil.getTypeArgument对实现接口获取不全面问题

This commit is contained in:
Looly
2023-06-30 18:17:34 +08:00
parent b6ee14c8e2
commit e9aa7b3279
2 changed files with 121 additions and 13 deletions

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@@ -0,0 +1,60 @@
/*
* Copyright (c) 2023 looly(loolly@aliyun.com)
* Hutool 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 org.dromara.hutool.core.reflect;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import java.lang.reflect.Type;
public class IssueI7CRIWTest {
@Test
void getTypeArgumentsTest() {
// 无法从继承获取泛型,则从接口获取
Type type = TypeUtil.getTypeArgument(C.class);
Assertions.assertEquals(type, String.class);
// 继承和第一个接口都非泛型接口,则从找到的第一个泛型接口获取
type = TypeUtil.getTypeArgument(D.class);
Assertions.assertEquals(type, String.class);
}
static class A{
}
static class AT<T>{
}
interface Face1<T>{
}
interface Face2{
}
static class B extends A{
}
static class C extends A implements Face1<String>{
}
static class D extends A implements Face2, Face1<String>{
}
}