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Removed test cases for getting private methods

This commit is contained in:
Umang Budhwar 2020-06-23 21:48:01 +05:30
parent efa72998e5
commit a951d80b41
1 changed files with 0 additions and 81 deletions
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core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/access/privatefields/AccessPrivateMethodsUnitTest.java
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@ -1,81 +0,0 @@
package com.baeldung.reflection.access.privatefields;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
public class AccessPrivateMethodsUnitTest {
@Test
public void whenGetMethod_thenSuccess() throws IllegalArgumentException, IllegalAccessException, InvocationTargetException, NoSuchMethodException, NullPointerException {
Person person = new Person();
Method method = person.getClass()
.getDeclaredMethod("greet", String.class);
method.setAccessible(true);
String greetMessage = (String) method.invoke(person, "Jane");
Assertions.assertEquals("Hello Jane", greetMessage);
}
@Test
public void givenInt_whenInvokeMethod_thenIllegalArgumentException() throws IllegalArgumentException, IllegalAccessException, NoSuchMethodException, NullPointerException {
Person person = new Person();
Method method = person.getClass()
.getDeclaredMethod("greet", String.class);
method.setAccessible(true);
Assertions.assertThrows(IllegalArgumentException.class, () -> method.invoke(person, 25));
}
@Test
public void givenMultipleParameters_whenInvokeMethod_thenIllegalArgumentException() throws IllegalArgumentException, IllegalAccessException, NoSuchMethodException, NullPointerException {
Person person = new Person();
Method method = person.getClass()
.getDeclaredMethod("greet", String.class);
method.setAccessible(true);
Assertions.assertThrows(IllegalArgumentException.class, () -> method.invoke(person, "John", "Jane"));
}
@Test
public void whenMethodNotSetAccessible_thenIllegalAccessException() throws IllegalArgumentException, IllegalAccessException, NoSuchMethodException, NullPointerException {
Person person = new Person();
Method method = person.getClass()
.getDeclaredMethod("greet", String.class);
Assertions.assertThrows(IllegalAccessException.class, () -> method.invoke(person, "Jane"));
}
@Test
public void whenCallingMethodThrowsException_thenInvocationTargetException() throws IllegalArgumentException, IllegalAccessException, InvocationTargetException, NoSuchMethodException, NullPointerException {
Person person = new Person();
Method method = person.getClass()
.getDeclaredMethod("divideByZeroExample");
method.setAccessible(true);
Assertions.assertThrows(InvocationTargetException.class, () -> method.invoke(person));
}
@Test
public void whenAccessingWrongProperty_thenNoSuchMethodException() throws NoSuchMethodException, NullPointerException {
Person person = new Person();
Assertions.assertThrows(NoSuchMethodException.class, () -> person.getClass()
.getDeclaredMethod("greeting", String.class));
}
@Test
public void whenAccessingNullMethod_thenNullPointerException() throws NoSuchMethodException, NullPointerException {
Person person = new Person();
Assertions.assertThrows(NullPointerException.class, () -> person.getClass()
.getDeclaredMethod(null, String.class));
}
}