assertTrue(stackTrace.length > 0);

        // First element should be from this test method
        StackTraceElement firstElement = stackTrace[0];
        assertEquals(this.getClass().getName(), firstElement.getClassName());
        assertEquals("test_stackTracePopulated", firstElement.getMethodName());
    }

    @Test
    public void test_toString() {
        // Test toString method (inherited from Throwable)

            final StackTraceElement se = stackTrace[i];

            if (i == s && SmbTreeImpl.class.getName().equals(se.getClassName()) && "close".equals(se.getMethodName())) {
                s++;
                continue;
            }

            if (se.getClassName().startsWith("org.junit.runners.")) {
                e = i - 4;
                break;
            }
        }

        // Verify the top of the stack trace is from this test class
        StackTraceElement topElement = stackTrace[0];
        assertEquals(this.getClass().getName(), topElement.getClassName());
    }

    @Test
    public void test_nestedExceptions() {
        // Test nested exception handling
        Exception level3 = new RuntimeException("Level 3 error");

    }

    private String extractOperationName() {
        StackTraceElement[] stack = Thread.currentThread().getStackTrace();
        for (StackTraceElement element : stack) {
            String className = element.getClassName();
            if (className.startsWith("jcifs.smb") && !className.contains("Exception")) {
                return element.getMethodName();
            }
        }
        return "unknown";
    }

    assertThat(ClassPath.getClassPathFromManifest(jarFile, manifest))
        .containsExactly(fullpath("base/relative.jar"));
  }

  public void testGetClassName() {
    assertThat(ClassPath.getClassName("abc/d/Abc.class")).isEqualTo("abc.d.Abc");
  }

  public void testResourceInfo_of() {
    assertThat(resourceInfo(ClassPathTest.class)).isInstanceOf(ClassInfo.class);

    assertThat(ClassPath.getClassPathFromManifest(jarFile, manifest))
        .containsExactly(fullpath("base/relative.jar"));
  }

  public void testGetClassName() {
    assertThat(ClassPath.getClassName("abc/d/Abc.class")).isEqualTo("abc.d.Abc");
  }

  public void testResourceInfo_of() {
    assertThat(resourceInfo(ClassPathTest.class)).isInstanceOf(ClassInfo.class);

    StackTraceElement[] elements = e.getStackTrace();
    for (int i = 0; i < elements.length; i++) {
      StackTraceElement element = elements[i];
      if (element.getClassName().equals(clazz) && element.getMethodName().equals(method)) {
        return i;
      }
    }
    throw new AssertionError(
        "Expected element " + clazz + "." + method + " not found in stack trace", e);

    StackTraceElement[] elements = e.getStackTrace();
    for (int i = 0; i < elements.length; i++) {
      StackTraceElement element = elements[i];
      if (element.getClassName().equals(clazz) && element.getMethodName().equals(method)) {
        return i;
      }
    }
    throw new AssertionError(
        "Expected element " + clazz + "." + method + " not found in stack trace", e);

  }

  @J2ktIncompatible
  @GwtIncompatible // used only in GwtIncompatible tests
  private static Predicate<StackTraceElement> hasClassName(Class<?> clazz) {
    return element -> element.getClassName().equals(clazz.getName());
  }

  private static final class CallerClass1 {
    static ListenableFuture<String> makeImmediateCancelledFuture() {
      return immediateCancelledFuture();
    }
  }

  }

  @J2ktIncompatible
  @GwtIncompatible // used only in GwtIncompatible tests
  private static Predicate<StackTraceElement> hasClassName(Class<?> clazz) {
    return element -> element.getClassName().equals(clazz.getName());
  }

  private static final class CallerClass1 {
    static ListenableFuture<String> makeImmediateCancelledFuture() {
      return immediateCancelledFuture();
    }
  }