diff --git a/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/exception/invocationtarget/InvocationTargetExample.java b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/exception/invocationtarget/InvocationTargetExample.java new file mode 100644 index 0000000000..a20ee527f8 --- /dev/null +++ b/core-java-modules/core-java-reflection/src/main/java/com/baeldung/reflection/exception/invocationtarget/InvocationTargetExample.java @@ -0,0 +1,7 @@ +package com.baeldung.reflection.exception.invocationtarget; + +public class InvocationTargetExample { + public int divideByZeroExample() { + return 1 / 0; + } +} \ No newline at end of file diff --git a/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/exception/invocationtarget/InvocationTargetUnitTest.java b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/exception/invocationtarget/InvocationTargetUnitTest.java new file mode 100644 index 0000000000..b4cabebcef --- /dev/null +++ b/core-java-modules/core-java-reflection/src/test/java/com/baeldung/reflection/exception/invocationtarget/InvocationTargetUnitTest.java @@ -0,0 +1,23 @@ +package com.baeldung.reflection.exception.invocationtarget; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertThrows; + +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; + +import org.junit.jupiter.api.Test; + +public class InvocationTargetUnitTest { + + @Test + public void whenCallingMethodThrowsException_thenAssertCauseOfInvocationTargetException() throws Exception { + + InvocationTargetExample targetExample = new InvocationTargetExample(); + Method method = InvocationTargetExample.class.getMethod("divideByZeroExample"); + + Exception exception = assertThrows(InvocationTargetException.class, () -> method.invoke(targetExample)); + + assertEquals(ArithmeticException.class, exception.getCause().getClass()); + } +}