actualRuntimeException = e;
    }

    assertThat(actualResult).isEqualTo(expectedResult);
    if (expectedRuntimeException != null) {
      assertThat(actualRuntimeException).isNotNull();
      assertEquals(expectedRuntimeException.getClass(), actualRuntimeException.getClass());
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // SerializableTester

import assertk.assertions.isEqualTo
import assertk.assertions.isFalse
import assertk.assertions.isIn
import assertk.assertions.isLessThan
import assertk.assertions.isNotEmpty
import assertk.assertions.isNotNull
import assertk.assertions.isNotSameAs
import assertk.assertions.isNull
import assertk.assertions.isTrue
import assertk.assertions.matches
import assertk.assertions.prop
import assertk.assertions.startsWith

      assertFalse(queue.isEmpty());
      assertFalse(queue.offer("shouldBeRejected"));
      this.queue = queue;
    }

    @Override
    protected void doAction() {
      assertThat(queue.remove()).isNotNull();
    }
  }

  private static class EnableReads extends DelayedActionRunnable {
    private final BlockingQueue<String> queue;

    EnableReads(BlockingQueue<String> queue, long tMinus) {

      assertFalse(queue.isEmpty());
      assertFalse(queue.offer("shouldBeRejected"));
      this.queue = queue;
    }

    @Override
    protected void doAction() {
      assertThat(queue.remove()).isNotNull();
    }
  }

  private static class EnableReads extends DelayedActionRunnable {
    private final BlockingQueue<String> queue;

    EnableReads(BlockingQueue<String> queue, long tMinus) {

    }

    void check() {
      runTester();
      NullRejectingFromTo<?, ?> defaultFunction =
          (NullRejectingFromTo<?, ?>) getDefaultParameterValue(0);
      assertThat(defaultFunction).isNotNull();
      try {
        defaultFunction.apply(null);
        fail("Proxy Should have rejected null");
      } catch (NullPointerException expected) {
      }
    }
  }

    map.put(0, 1);
    map.put(1, 1);
    map.put(2, 1);
    map.entrySet()
        .removeIf(
            entry -> {
              assertThat(entry.getValue()).isNotNull();
              map.remove((entry.getKey() + 1) % 3);
              return false;
            });
    assertThat(map).hasSize(1);
  }