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!757 【6.x】修复LambdaUtil对多参数且参数为包含数组的lambda的支持;优化clazz获取逻辑，直接从executable获取而不是反射

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Merge pull request !757 from 阿超/v6-dev
This commit is contained in:
Looly
2022-08-19 00:52:12 +00:00
committed by Gitee
parent 3da46bbc02 6bccf59079
commit e82d3c30e1
2 changed files with 30 additions and 18 deletions
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12
hutool-core/src/test/java/cn/hutool/core/lang/func/LambdaUtilTest.java
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@@ -7,11 +7,9 @@ import org.junit.Assert;
import org.junit.Test;
import java.io.Serializable;
import java.lang.reflect.Array;
import java.util.Objects;
import java.util.stream.Stream;
@SuppressWarnings("unchecked")
public class LambdaUtilTest {
@Test
@@ -29,7 +27,7 @@ public class LambdaUtilTest {
}
@Test
public void resolveTest() {
public <T> void resolveTest() {
Stream.<Runnable>of(() -> {
// 引用构造函数
final Func0<MyTeacher> lambda = MyTeacher::new;
@@ -41,7 +39,7 @@ public class LambdaUtilTest {
final Func1<Integer, MyTeacher[]> lambda = MyTeacher[]::new;
final LambdaInfo lambdaInfo = LambdaUtil.resolve(lambda);
Assert.assertEquals(int.class, lambdaInfo.getParameterTypes()[0]);
Assert.assertEquals(MyTeacher.class, ((Class<Array>) lambdaInfo.getReturnType()).getComponentType());
Assert.assertEquals(MyTeacher[].class, lambdaInfo.getReturnType());
}, () -> {
// 引用静态方法
final Func0<String> lambda = MyTeacher::takeAge;
@@ -80,6 +78,12 @@ public class LambdaUtilTest {
Assert.assertEquals(String.class, lambdaInfo.getParameterTypes()[4]);
Assert.assertEquals(void.class, lambdaInfo.getReturnType());
}, () -> {
// 一些特殊的lambda
Assert.assertEquals("T[]", LambdaUtil.<Func<Object, Stream<?>>>resolve(Stream::of).getParameterTypes()[0].getTypeName());
Assert.assertEquals(MyTeacher[][].class, LambdaUtil.<Func1<Integer, MyTeacher[][]>>resolve(MyTeacher[][]::new).getReturnType());
Assert.assertEquals(Integer[][][].class, LambdaUtil.<VoidFunc1<Integer[][][]>>resolve(a -> {}).getParameterTypes()[0]);
Assert.assertEquals(Integer[][][].class, LambdaUtil.resolve((Serializable & Consumer3<Integer[][][], Integer[][], Integer>) (a, b, c) -> {}).getParameterTypes()[0]);
}).forEach(Runnable::run);
}