ConcurrentMapBasedDoubleUnaryOperatorMemoizerTest.java 文件源码

/**
*
*/
@Test
public void shouldUseCallWrappedOperator() {
    // given
    final ConcurrentMap<Double, Double> cache = new ConcurrentHashMap<>();
    final DoubleUnaryOperator operator = Mockito.mock(DoubleUnaryOperator.class);
    final DoubleFunction<Double> keyFunction = Double::valueOf;

    // when
    final ConcurrentMapBasedDoubleUnaryOperatorMemoizer<Double> memoizer = new ConcurrentMapBasedDoubleUnaryOperatorMemoizer<>(
            cache, keyFunction, operator);

    // then
    memoizer.applyAsDouble(123D);
    Mockito.verify(operator).applyAsDouble(123D);
}