if (v == null) {
              throw new ExecutionError(cause);
            }
            return v;
          }

          @Override
          public @Nullable Object getIfPresent(Object key) {
            return valueRef.get();
          }
        };

    ExecutionError expected =
        assertThrows(ExecutionError.class, () -> cache.getUnchecked(new Object()));

            if (v == null) {
              throw new ExecutionError(cause);
            }
            return v;
          }

          @Override
          public @Nullable Object getIfPresent(Object key) {
            return valueRef.get();
          }
        };

    ExecutionError expected =
        assertThrows(ExecutionError.class, () -> cache.getUnchecked(new Object()));