lockB.lock();
    PotentialDeadlockException expected =
        assertThrows(PotentialDeadlockException.class, () -> lockA.lock());
    checkMessage(expected, "LockB -> LockA", "LockA -> LockB");
    firstException = expected;
    // Second time should also fail, with a cached causal chain.
    expected = assertThrows(PotentialDeadlockException.class, () -> lockA.lock());
    checkMessage(expected, "LockB -> LockA", "LockA -> LockB");

	}
	for i, test := range specs {
		result := extractPathPrefixAndSuffix(test.path, test.prefix, test.suffix)
		if result != test.expected {
			t.Errorf("unexpected result on test[%v]: expected[%s] but had [%s]", i, test.expected, result)
		}
	}

		}
		if d != testCase.duration {
			t.Errorf("Test %d: Expected duration %d, got %d", i+1, testCase.duration, d)
		}
	}
}

func TestExpCorrect(t *testing.T) {

      assertWrapsInterruptedException(expected);
    } finally {
      interruptenator.shutdown();
      Thread.interrupted();
    }
  }

  public void testAwaitDone_future_interrupted_interrupted() {
    Interruptenator interruptenator = new Interruptenator(Thread.currentThread());
    try {
      SettableFuture<@Nullable Void> future = SettableFuture.create();
      RuntimeException expected =

              + "expected = "
              + expected
              + ", actual = "
              + actual);
    }
  }

  public static void assertContentsInOrder(Iterable<?> actual, Object... expected) {
    assertEqualInOrder(asList(expected), actual);
  }

  public static void assertEqualIgnoringOrder(Iterable<?> expected, Iterable<?> actual) {

        // Expected format: buffer format (0x04) + path string (null terminated)
        byte[] expected = new byte[directoryName.length() + 2];
        expected[0] = 0x04; // Buffer format
        System.arraycopy(directoryName.getBytes(StandardCharsets.UTF_8), 0, expected, 1, directoryName.length());
        expected[directoryName.length() + 1] = 0x00; // Null terminator

		if err != nil && testCase.shouldPass {
			t.Errorf("Test %d: %s: Expected to pass, but failed with: <ERROR> %s", i+1, instanceType, err.Error())
		}
		if err == nil && !testCase.shouldPass {
			t.Errorf("Test %d: %s: Expected to fail with <ERROR> \"%s\", but passed instead", i+1, instanceType, testCase.err.Error())
		}
		// Failed as expected, but does it fail for the expected reason.
		if err != nil && !testCase.shouldPass {

  }

  public void testOnlyElementMultiple() {
    IllegalArgumentException expected =
        assertThrows(IllegalArgumentException.class, () -> Stream.of(1, 2).collect(onlyElement()));
    assertThat(expected).hasMessageThat().contains("1, 2");
  }

  public void testOnlyElementMany() {
    IllegalArgumentException expected =
        assertThrows(
            IllegalArgumentException.class,

  void testViewAgainstExpected(RangeSet<Integer> expected, RangeSet<Integer> view) {
    assertEquals(expected, view);
    assertEquals(expected.asRanges(), view.asRanges());
    assertEquals(expected.isEmpty(), view.isEmpty());

    if (!expected.isEmpty()) {
      assertEquals(expected.span(), view.span());
    }

    for (int i = MIN_BOUND - 1; i <= MAX_BOUND + 1; i++) {
      assertEquals(expected.contains(i), view.contains(i));

			if len(gotFields) != len(test.expectedFields) {
				t.Errorf("Expected keys %d, found %d", len(test.expectedFields), len(gotFields))
			}
			found := true
			for _, field := range gotFields {
				_, ok := test.expectedFields[field]
				found = found && ok
			}
			if !found {
				t.Errorf("Expected %s, got %s", test.expectedFields, gotFields)
			}
		})
	}
}