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How to use invokeMethod method of org.powermock.reflect.internal.WhiteboxImpl class

Best Powermock code snippet using org.powermock.reflect.internal.WhiteboxImpl.invokeMethod

Source:Whitebox.java

...346	}347	/**348	 * Invoke a private or inner class method without the need to specify the349	 * method name. This is thus a more refactor friendly version of the350	 * {@link #invokeMethod(Object, String, Object...)} method and is recommend351	 * over this method for that reason. This method might be useful to test352	 * private methods.353	 * 354	 * @throws Throwable355	 */356	public static synchronized <T> T invokeMethod(Object instance, Object... arguments) throws Exception {357		return WhiteboxImpl.<T> invokeMethod(instance, arguments);358	}359	/**360	 * Invoke a private or inner class static method without the need to specify361	 * the method name. This is thus a more refactor friendly version of the362	 * {@link #invokeMethod(Class, String, Object...)} method and is recommend363	 * over this method for that reason. This method might be useful to test364	 * private methods.365	 * 366	 */367	public static synchronized <T> T invokeMethod(Class<?> klass, Object... arguments) throws Exception {368		return WhiteboxImpl.<T> invokeMethod(klass, arguments);369	}370	/**371	 * Invoke a private or inner class method. This might be useful to test372	 * private methods.373	 */374	public static synchronized <T> T invokeMethod(Object instance, String methodToExecute, Object... arguments)375			throws Exception {376		return WhiteboxImpl.<T> invokeMethod(instance, methodToExecute, arguments);377	}378	/**379	 * Invoke a private or inner class method in cases where PowerMock cannot380	 * automatically determine the type of the parameters, for example when381	 * mixing primitive types and wrapper types in the same method. For most382	 * situations use {@link #invokeMethod(Object, Object...)} instead.383	 * 384	 * @throws Exception385	 *             Exception that may occur when invoking this method.386	 */387	public static synchronized <T> T invokeMethod(Object instance, String methodToExecute, Class<?>[] argumentTypes,388			Object... arguments) throws Exception {389		return WhiteboxImpl.<T> invokeMethod(instance, methodToExecute, argumentTypes, arguments);390	}391	/**392	 * Invoke a private or inner class method in a subclass (defined by393	 * <code>definedIn</code>) in cases where PowerMock cannot automatically394	 * determine the type of the parameters, for example when mixing primitive395	 * types and wrapper types in the same method. For most situations use396	 * {@link #invokeMethod(Object, Object...)} instead.397	 * 398	 * @throws Exception399	 *             Exception that may occur when invoking this method.400	 */401	public static synchronized <T> T invokeMethod(Object instance, String methodToExecute, Class<?> definedIn,402			Class<?>[] argumentTypes, Object... arguments) throws Exception {403		return WhiteboxImpl.<T> invokeMethod(instance, methodToExecute, definedIn, argumentTypes, arguments);404	}405	/**406	 * Invoke a private or inner class method in that is located in a subclass407	 * of the instance. This might be useful to test private methods.408	 * 409	 * @throws Exception410	 *             Exception that may occur when invoking this method.411	 */412	public static synchronized <T> T invokeMethod(Object instance, Class<?> declaringClass, String methodToExecute,413			Object... arguments) throws Exception {414		return WhiteboxImpl.<T> invokeMethod(instance, declaringClass, methodToExecute, arguments);415	}416	/**417	 * Invoke a private or inner class method in that is located in a subclass418	 * of the instance. This might be useful to test private methods.419	 * <p>420	 * Use this for overloaded methods.421	 * 422	 * @throws Exception423	 *             Exception that may occur when invoking this method.424	 */425	public static synchronized <T> T invokeMethod(Object object, Class<?> declaringClass, String methodToExecute,426			Class<?>[] parameterTypes, Object... arguments) throws Exception {427		return WhiteboxImpl.<T> invokeMethod(object, declaringClass, methodToExecute, parameterTypes, arguments);428	}429	/**430	 * Invoke a static private or inner class method. This may be useful to test431	 * private methods.432	 * 433	 */434	public static synchronized <T> T invokeMethod(Class<?> clazz, String methodToExecute, Object... arguments)435			throws Exception {436		return WhiteboxImpl.<T> invokeMethod(clazz, methodToExecute, arguments);437	}438	/**439	 * Invoke a constructor. Useful for testing classes with a private440	 * constructor when PowerMock cannot determine which constructor to invoke.441	 * This only happens if you have two constructors with the same number of442	 * arguments where one is using primitive data types and the other is using443	 * the wrapped counter part. For example:444	 * 445	 * <pre>446	 * public class MyClass {447	 *     private MyClass(Integer i) {448	 *         ...449	 *     } 450	 * ...

Source:WhiteboxImplTest.java

...35	@Test36	public void assertThatClassAndNotStringIsNotSameWhenInvokingCheckIfTypesAreSame() throws Exception {37		Method method = WhiteboxImpl.getMethod(WhiteboxImpl.class, "checkIfParameterTypesAreSame", boolean.class,38				Class[].class, Class[].class);39		boolean invokeMethod = (Boolean) method.invoke(WhiteboxImpl.class, false, new Class<?>[] { Class.class },40				new Class<?>[] { String.class });41		assertFalse(invokeMethod);42	}4344	@Test45	public void assertThatClassAndClassIsSameWhenInvokingCheckIfTypesAreSame() throws Exception {46		Method method = WhiteboxImpl.getMethod(WhiteboxImpl.class, "checkIfParameterTypesAreSame", boolean.class,47				Class[].class, Class[].class);48		boolean invokeMethod = (Boolean) method.invoke(WhiteboxImpl.class, false, new Class<?>[] { Class.class },49				new Class<?>[] { Class.class });50		assertTrue(invokeMethod);51	}5253	@Test54	public void getBestCandidateMethodReturnsMatchingMethodWhenNoOverloading() throws Exception {55		final Method expectedMethod = ClassWithStandardMethod.class.getDeclaredMethod("myMethod", double.class);56		final Method actualMethod = WhiteboxImpl.getBestMethodCandidate(ClassWithStandardMethod.class, "myMethod",57				new Class<?>[] { double.class }, false);58		assertEquals(expectedMethod, actualMethod);59	}6061	@Test62	public void getBestCandidateMethodReturnsMatchingMethodWhenOverloading() throws Exception {63		final Method expectedMethod = ClassWithOverloadedMethods.class.getDeclaredMethod("overloaded", double.class,64				Child.class);
...

invokeMethod

Using AI Code Generation

1import java.lang.reflect.InvocationTargetException;2import java.lang.reflect.Method;3import org.powermock.reflect.internal.WhiteboxImpl;4public class 4 {5    public static void main(String[] args) throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {6        Class c = Class.forName("A");7        Object obj = c.newInstance();8        Method m = c.getDeclaredMethod("method1", String.class);9        System.out.println("The value of the method is "+WhiteboxImpl.invokeMethod(obj, m, "Hello World!"));10    }11}12public class A {13    public String method1(String s) {14        return s;15    }16}17Recommended Posts: Java Reflection | invoke() method18Java Reflection | setAccessible() method19Java Reflection | getDeclaredMethod() method20Java Reflection | getDeclaredMethods() method21Java Reflection | getMethod() method22Java Reflection | getMethods() method23Java Reflection | getDeclaredField() method24Java Reflection | getDeclaredFields() method25Java Reflection | getField() method26Java Reflection | getFields() method27Java Reflection | getDeclaredConstructor() method28Java Reflection | getDeclaredConstructors() method29Java Reflection | getConstructor() method30Java Reflection | getConstructors() method31Java Reflection | getModifiers() method32Java Reflection | getSuperclass() method33Java Reflection | getInterfaces() method34Java Reflection | getPackage() method35Java Reflection | getClasses() method36Java Reflection | newInstance() method37Java Reflection | set() method38Java Reflection | get() method39Java Reflection | setAccessible() method40Java Reflection | getDeclaredMethod() method41Java Reflection | getDeclaredMethods() method42Java Reflection | getMethod() method43Java Reflection | getMethods() method44Java Reflection | getDeclaredField() method45Java Reflection | getDeclaredFields() method46Java Reflection | getField() method47Java Reflection | getFields() method48Java Reflection | getDeclaredConstructor() method49Java Reflection | getDeclaredConstructors() method50Java Reflection | getConstructor() method51Java Reflection | getConstructors() method52Java Reflection | getModifiers() method53Java Reflection | getSuperclass() method54Java Reflection | getInterfaces() method55Java Reflection | getPackage() method56Java Reflection | getClasses()

invokeMethod

Using AI Code Generation

1package com.powermock;2import java.lang.reflect.InvocationTargetException;3import org.powermock.reflect.Whitebox;4public class InvokeMethod {5	public static void main(String[] args) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException {6		Whitebox.invokeMethod("Hello World");7	}8}9Related Posts: How to use Whitebox.invokeMethod() method of org.powermock.reflect.internal.WhiteboxImpl class10How to use Whitebox.invokeConstructor() method of org.powermock.reflect.internal.WhiteboxImpl class11How to use Whitebox.invokeConstructor() method of org.powermock.reflect.internal.WhiteboxImpl class12How to use Whitebox.setInternalState() method of org.powermock.reflect.internal.WhiteboxImpl class13How to use Whitebox.setInternalState() method of org.powermock.reflect.internal.WhiteboxImpl class14How to use Whitebox.getInternalState() method of org.powermock.reflect.internal.WhiteboxImpl class15How to use Whitebox.getInternalState() method of org.powermock.reflect.internal.WhiteboxImpl class16How to use Whitebox.setInternalState() method of org.powermock.reflect.internal.WhiteboxImpl class17How to use Whitebox.setInternalState() method of org.powermock.reflect.internal.WhiteboxImpl class18How to use Whitebox.setInternalState() method of org.powermock.reflect.internal.WhiteboxImpl class

invokeMethod

Using AI Code Generation

1package com.example;2import java.lang.reflect.InvocationTargetException;3import java.lang.reflect.Method;4import org.powermock.reflect.internal.WhiteboxImpl;5public class InvokeMethod {6    public static void main(String[] args) throws InvocationTargetException, IllegalAccessException {7        WhiteboxImpl whitebox = new WhiteboxImpl();8        Class<?> clazz = String.class;9        Object object = "String";10        String methodName = "length";11        Object[] args1 = new Object[] {};12        Method method = whitebox.getMatchingAccessibleMethod(clazz, methodName, args1);13        int result = (int) whitebox.invokeMethod(method, object, args1);14        System.out.println(result);15    }16}

invokeMethod

Using AI Code Generation

1import org.powermock.reflect.Whitebox;2import org.powermock.reflect.internal.WhiteboxImpl;3public class 4 {4public static void main(String[] args) throws Exception {5WhiteboxImpl whiteboxImpl = new WhiteboxImpl();6String str = "Hello World";7String result = (String) whiteboxImpl.invokeMethod(str, "substring", 6);8System.out.println(result);9}10}

invokeMethod

Using AI Code Generation

1import org.powermock.reflect.internal.WhiteboxImpl;2import java.lang.reflect.Method;3public class Main {4    public static void main(String[] args) throws Exception {5        Class c = Class.forName("MyClass");6        Method m = c.getDeclaredMethod("myMethod", int.class, int.class);7        Object object = c.newInstance();8        System.out.println("Invoking private method myMethod with arguments 1 and 2");9        Object result = WhiteboxImpl.invokeMethod(object, m, 1, 2);10        System.out.println("The result is: " + result);11    }12}13import org.powermock.reflect.internal.WhiteboxImpl;14import java.lang.reflect.Method;15public class Main {16    public static void main(String[] args) throws Exception {17        Class c = Class.forName("MyClass");18        Method m = c.getDeclaredMethod("myMethod", int.class, int.class);19        Object object = c.newInstance();20        System.out.println("Invoking private method myMethod with arguments 1 and 2");21        Object result = WhiteboxImpl.invokeMethod(object, m, 1, 2);22        System.out.println("The result is: " + result);23    }24}25import org.powermock.reflect.internal.WhiteboxImpl;26import java.lang.reflect.Method;27public class Main {28    public static void main(String[] args) throws Exception {29        Class c = Class.forName("MyClass");30        Method m = c.getDeclaredMethod("myMethod", int.class, int.class);31        Object object = c.newInstance();32        System.out.println("Invoking private method myMethod with arguments 1 and 2");33        Object result = WhiteboxImpl.invokeMethod(object, m, 1, 2);34        System.out.println("The result is: " + result);35    }36}37import org.powermock.reflect.internal.WhiteboxImpl;38import java.lang.reflect.Method;39public class Main {40    public static void main(String[]

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