GuavaCacheBasedLongToIntFunctionMemoizerTest.java 文件源码

/**
 * @throws ExecutionException
 *             Added for the call to 'cache.get(..)'.
 */
@Test
@SuppressWarnings(CompilerWarnings.UNCHECKED)
public void shouldWrapExecutionExceptionInMemoizationException() throws ExecutionException {
    // given
    final LongFunction<Long> keyFunction = Long::valueOf;
    final Cache<Long, Integer> cache = Mockito.mock(Cache.class);
    given(cache.get(any(), any())).willThrow(ExecutionException.class);
    final GuavaCacheBasedLongToIntFunctionMemoizer<Long> memoizer = new GuavaCacheBasedLongToIntFunctionMemoizer<>(
            cache, keyFunction, null);

    // when
    thrown.expect(MemoizationException.class);

    // then
    memoizer.applyAsInt(789);
}