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1
8 package com.tirsen.nanning.samples;
9
10 import com.tirsen.nanning.config.AspectSystem;
11 import com.tirsen.nanning.config.FindTargetMixinAspect;
12 import com.tirsen.nanning.attribute.AbstractAttributesTest;
13 import com.tirsen.nanning.Aspects;
14
15 public class CacheTest extends AbstractAttributesTest {
16
17 public void testCacheCounter() {
18 AspectSystem aspectSystem = new AspectSystem();
19 aspectSystem.addAspect(new FindTargetMixinAspect());
20 CacheAspect counter = new CacheAspect(new CacheInterceptor());
21 aspectSystem.addAspect(counter);
22
23 assertEquals(1, counter.getCacheHitRatio(), 0.01);
24 CacheTestCalculations cacheTestCalculations =
25 (CacheTestCalculations) aspectSystem.newInstance(CacheTestCalculations.class);
26 assertEquals(42.4711, cacheTestCalculations.someHeavyCalculation(1), 0.01);
27 assertEquals(1, counter.totalCount);
28 assertEquals(1, counter.missCount);
29 assertEquals(0, counter.getCacheHitRatio(), 0.01);
30
31 assertEquals(42.4711, cacheTestCalculations.someHeavyCalculation(1), 0.01);
32 assertEquals(2, counter.totalCount);
33 assertEquals(1, counter.missCount);
34 assertEquals(1, counter.totalCount - counter.missCount);
35 assertEquals(0.5, (counter.totalCount - counter.missCount) / (double) counter.totalCount, 0.01);
36 assertEquals(0.5, counter.getCacheHitRatio(), 0.01);
37
38 assertEquals(42.4711, cacheTestCalculations.someHeavyCalculation(1), 0.01);
39 assertEquals(0.66, counter.getCacheHitRatio(), 0.01);
40
41 assertEquals(84.9422, cacheTestCalculations.someHeavyCalculation(2), 0.01);
42 assertEquals(0.5, counter.getCacheHitRatio(), 0.01);
43
44 assertEquals(127.4132, cacheTestCalculations.someHeavyCalculation(3), 0.01);
45 assertEquals(0.4, counter.getCacheHitRatio(), 0.01);
46
47 assertEquals(3, counter.missCount);
48 cacheTestCalculations.someHeavyCalculation(1);
49 assertEquals(3, counter.missCount);
50 ((CacheInterceptor)
51 Aspects.findFirstInterceptorWithClass(cacheTestCalculations, CacheInterceptor.class)).clearCache();
52 cacheTestCalculations.someHeavyCalculation(1);
53 assertEquals(4, counter.missCount);
54 }
55
56 }
57 |
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