Merge pull request #8485 from vikasrajput6035/BAEL-3504
BAEL-3504: Article - what causes invocation-target-exception : done
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package com.baeldung.reflection.exception.invocationtarget;
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public class InvocationTargetExample {
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public int divideByZeroExample() {
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return 1 / 0;
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}
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}
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package com.baeldung.reflection.exception.invocationtarget;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import org.junit.jupiter.api.Test;
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public class InvocationTargetUnitTest {
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@Test
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public void whenCallingMethodThrowsException_thenAssertCauseOfInvocationTargetException() throws Exception {
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InvocationTargetExample targetExample = new InvocationTargetExample();
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Method method = InvocationTargetExample.class.getMethod("divideByZeroExample");
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Exception exception = assertThrows(InvocationTargetException.class, () -> method.invoke(targetExample));
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assertEquals(ArithmeticException.class, exception.getCause().getClass());
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}
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}
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