JCacheBasedDoubleBinaryOperatorMemoizerTest.java 文件源码

/**
*
*/
@Test
public void shouldMemoizeFunction() {
    // given
    final DoubleBinaryOperator function = (a, b) -> 123.456D;
    final DoubleBinaryFunction<String> keyFunction = (a, b) -> "key";
    try (final Cache<String, Double> cache = JCacheMemoize.createCache(DoubleFunction.class)) {
        // when
        final JCacheBasedDoubleBinaryOperatorMemoizer<String> loader = new JCacheBasedDoubleBinaryOperatorMemoizer<>(
                cache, keyFunction, function);

        // then
        Assert.assertEquals("Memoized value does not match expectation", 123.456D,
                loader.applyAsDouble(123.456D, 789.123D), 0.0D);
    }
}