fix code

hutool-core/src/test/java/cn/hutool/core/convert/BasicTypeTest.java

@@ -0,0 +1,33 @@
+package cn.hutool.core.convert;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class BasicTypeTest {
+
+	@Test
+	public void wrapTest(){
+		Assert.assertEquals(Integer.class, BasicType.wrap(int.class));
+		Assert.assertEquals(Integer.class, BasicType.wrap(Integer.class));
+		Assert.assertEquals(String.class, BasicType.wrap(String.class));
+		Assert.assertNull(BasicType.wrap(null));
+	}
+
+	@Test
+	public void unWrapTest(){
+		Assert.assertEquals(int.class, BasicType.unWrap(int.class));
+		Assert.assertEquals(int.class, BasicType.unWrap(Integer.class));
+		Assert.assertEquals(String.class, BasicType.unWrap(String.class));
+		Assert.assertNull(BasicType.unWrap(null));
+	}
+
+	@Test
+	public void getPrimitiveSetTest(){
+		Assert.assertEquals(8, BasicType.getPrimitiveSet().size());
+	}
+
+	@Test
+	public void getWrapperSetTest(){
+		Assert.assertEquals(8, BasicType.getWrapperSet().size());
+	}
+}

hutool-core/src/test/java/cn/hutool/core/util/ClassUtilTest.java

@@ -41,4 +41,11 @@ public class ClassUtilTest {
 		final String classDir = ClassUtil.getLocationPath(ClassUtilTest.class);
 		Assert.assertTrue(Objects.requireNonNull(classDir).endsWith("/hutool-core/target/test-classes/"));
 	}
+
+	@Test
+	public void isAssignableTest(){
+		Assert.assertTrue(ClassUtil.isAssignable(int.class, int.class));
+		Assert.assertTrue(ClassUtil.isAssignable(int.class, Integer.class));
+		Assert.assertFalse(ClassUtil.isAssignable(int.class, String.class));
+	}
 }