diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java index 69f3eebe71..bf9e4ea591 100644 --- a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java +++ b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateFieldsUnitTest.java @@ -8,50 +8,49 @@ import org.junit.jupiter.api.Test; public class AccessPrivateFieldsUnitTest { @Test - public void whenGetFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException { + public void whenGetIntegerFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException { Person person = new Person(); - Field nameField = person.getClass() - .getDeclaredField("name"); - nameField.setAccessible(true); - - String name = (String) nameField.get(person); - Field ageField = person.getClass() .getDeclaredField("age"); ageField.setAccessible(true); byte age = ageField.getByte(person); - - Assertions.assertEquals("John", name); Assertions.assertEquals(30, age); - } - - @Test - public void whenGetIntegerFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException { - Person person = new Person(); Field uidNumberField = person.getClass() .getDeclaredField("uidNumber"); uidNumberField.setAccessible(true); short uidNumber = uidNumberField.getShort(person); + Assertions.assertEquals(5555, uidNumber); Field pinCodeField = person.getClass() .getDeclaredField("pinCode"); pinCodeField.setAccessible(true); int pinCode = pinCodeField.getInt(person); + Assertions.assertEquals(452002, pinCode); Field contactNumberField = person.getClass() .getDeclaredField("contactNumber"); contactNumberField.setAccessible(true); long contactNumber = contactNumberField.getLong(person); - - Assertions.assertEquals(5555, uidNumber); - Assertions.assertEquals(452002, pinCode); Assertions.assertEquals(123456789L, contactNumber); + + } + + @Test + public void whenDoAutoboxing_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException { + Person person = new Person(); + + Field pinCodeField = person.getClass() + .getDeclaredField("pinCode"); + pinCodeField.setAccessible(true); + + Integer pinCode = pinCodeField.getInt(person); + Assertions.assertEquals(452002, pinCode); } @Test @@ -63,14 +62,13 @@ public class AccessPrivateFieldsUnitTest { heightField.setAccessible(true); float height = heightField.getFloat(person); + Assertions.assertEquals(6.1242f, height); Field weightField = person.getClass() .getDeclaredField("weight"); weightField.setAccessible(true); double weight = weightField.getDouble(person); - - Assertions.assertEquals(6.1242f, height); Assertions.assertEquals(75.2564, weight); } @@ -83,7 +81,6 @@ public class AccessPrivateFieldsUnitTest { genderField.setAccessible(true); char gender = genderField.getChar(person); - Assertions.assertEquals('M', gender); } @@ -96,10 +93,21 @@ public class AccessPrivateFieldsUnitTest { activeField.setAccessible(true); boolean active = activeField.getBoolean(person); - Assertions.assertTrue(active); } + @Test + public void whenGetObjectFields_thenSuccess() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException { + Person person = new Person(); + + Field nameField = person.getClass() + .getDeclaredField("name"); + nameField.setAccessible(true); + + String name = (String) nameField.get(person); + Assertions.assertEquals("John", name); + } + @Test public void givenInt_whenGetStringField_thenIllegalArgumentException() throws IllegalAccessException, IllegalArgumentException, NoSuchFieldException, NullPointerException { Person person = new Person();