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How to use ConcreteClassGenerator class of org.powermock.core package

Best Powermock code snippet using org.powermock.core.ConcreteClassGenerator

Source:ConcreteClassGenerator.java

...23/**24 * This class takes care of creating a concrete sub-class implementing all25 * abstract methods in the parent.26 */27public class ConcreteClassGenerator {2829	// Used to make each new subclass of a specific type unique.30	private static AtomicInteger counter = new AtomicInteger(0);3132	public Class<?> createConcreteSubClass(Class<?> clazz) {33		if (clazz == null) {34			throw new IllegalArgumentException("clazz cannot be null");35		}36		if (!java.lang.reflect.Modifier.isAbstract(clazz.getModifiers())) {37			throw new IllegalArgumentException("clazz must be abstract");38		}39		ClassPool classpool = ClassPool.getDefault();40		final String originalClassName = clazz.getName();41		CtClass originalClassAsCtClass = null;
...

ConcreteClassGenerator

Using AI Code Generation

1import org.powermock.core.classloader.annotations.PrepareForTest;2import org.powermock.reflect.Whitebox;3import org.powermock.reflect.exceptions.ConstructorNotFoundException;4import org.powermock.reflect.exceptions.TooManyConstructorsFoundException;5import org.powermock.reflect.internal.ConcreteClassGenerator;6import java.lang.reflect.Constructor;7import java.lang.reflect.InvocationTargetException;8@PrepareForTest(ConcreteClassGenerator.class)9public class ConcreteClassGeneratorTest {10    public void testGenerateConcreteClass() throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException, InstantiationException, IllegalAccessException {11        Class<?> clazz = ConcreteClassGenerator.generateConcreteClass(HelloWorld.class);12        Constructor<?> constructor = clazz.getConstructor(String.class);13        Object object = constructor.newInstance("Hello World!");14        Assert.assertEquals("Hello World!", Whitebox.invokeMethod(object, "getMessage"));15    }16    public void testGenerateConcreteClassWithConstructor() throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException, InstantiationException, IllegalAccessException {17        Class<?> clazz = ConcreteClassGenerator.generateConcreteClass(HelloWorld.class, new Class[]{String.class}, new Object[]{"Hello World!"});18        Constructor<?> constructor = clazz.getConstructor(String.class);19        Object object = constructor.newInstance("Hello World!");20        Assert.assertEquals("Hello World!", Whitebox.invokeMethod(object, "getMessage"));21    }22    public void testGenerateConcreteClassWithConstructorWithNullArgs() throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException, InstantiationException, IllegalAccessException {23        Class<?> clazz = ConcreteClassGenerator.generateConcreteClass(HelloWorld.class, new Class[]{String.class}, null);24        Constructor<?> constructor = clazz.getConstructor(String.class);25        Object object = constructor.newInstance("Hello World!");26        Assert.assertEquals("Hello World!", Whitebox.invokeMethod(object, "getMessage"));27    }28    public void testGenerateConcreteClassWithConstructorWithNullTypes() throws ClassNotFoundException, NoSuchMethodException, InvocationTargetException, InstantiationException, IllegalAccessException {29        Class<?> clazz = ConcreteClassGenerator.generateConcreteClass(HelloWorld.class, null, new Object[]{"Hello World!"});30        Constructor<?> constructor = clazz.getConstructor(String.class);31        Object object = constructor.newInstance("Hello World!");32        Assert.assertEquals("Hello World!", Whitebox.invokeMethod(object, "getMessage"));33    }34    @Test(expected = ConstructorNotFoundException.class)35    public void testGenerateConcreteClassWithConstructorWithInvalidParams() throws ClassNotFoundException, NoSuchMethodException,

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