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How to use Throwables_appendCurrentThreadStackTraceToThrowable_Test class of org.assertj.core.util package

Best Assertj code snippet using org.assertj.core.util.Throwables_appendCurrentThreadStackTraceToThrowable_Test

Source:Throwables_appendCurrentThreadStackTraceToThrowable_Test.java

...22 * Tests for {@link Throwables#appendStackTraceInCurentThreadToThrowable(Throwable, String)}.23 * 24 * @author Alex Ruiz25 */26public class Throwables_appendCurrentThreadStackTraceToThrowable_Test {27  private AtomicReference<RuntimeException> exceptionReference;28  @Before29  public void setUp() {30    exceptionReference = new AtomicReference<>();31  }32  @Test33  public void should_add_stack_trace_of_current_thread() {34    final CountDownLatch latch = new CountDownLatch(1);35    new Thread() {36      @Override37      public void run() {38        RuntimeException e = new RuntimeException("Thrown on purpose");39        exceptionReference.set(e);40        latch.countDown();41      }42    }.start();43    try {44      latch.await();45    } catch (InterruptedException e) {46      currentThread().interrupt();47    }48    RuntimeException thrown = exceptionReference.get();49    Throwables.appendStackTraceInCurentThreadToThrowable(thrown, "should_add_stack_trace_of_current_thread");50    StackTraceElement[] stackTrace = thrown.getStackTrace();51    assertThat(asString(stackTrace[0])).isEqualTo(52        "org.assertj.core.util.Throwables_appendCurrentThreadStackTraceToThrowable_Test$1.run");53    assertThat(asString(stackTrace[1])).isEqualTo(54        "org.assertj.core.util.Throwables_appendCurrentThreadStackTraceToThrowable_Test.should_add_stack_trace_of_current_thread"55    );56  }57  private String asString(StackTraceElement e) {58    return concat(e.getClassName(), ".", e.getMethodName());59  }60}

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