public void Snapshot_CreatesSnapshotWithCurrentPerformanceCount() { this.performanceCounter.AddCacheHitCount(15); this.performanceCounter.AddCacheMissCount(7); this.performanceCounter.AddCacheRemoveCount(3); this.performanceCounter.AddCacheSetCount(1); BlockStoreCachePerformanceSnapshot snapshot1 = this.performanceCounter.Snapshot(); this.performanceCounter.AddCacheHitCount(50); this.performanceCounter.AddCacheMissCount(9); this.performanceCounter.AddCacheRemoveCount(6); this.performanceCounter.AddCacheSetCount(67); BlockStoreCachePerformanceSnapshot snapshot2 = this.performanceCounter.Snapshot(); Assert.Equal(15, snapshot1.TotalCacheHitCount); Assert.Equal(7, snapshot1.TotalCacheMissCount); Assert.Equal(3, snapshot1.TotalCacheRemoveCount); Assert.Equal(1, snapshot1.TotalCacheSetCount); Assert.Equal(65, snapshot2.TotalCacheHitCount); Assert.Equal(16, snapshot2.TotalCacheMissCount); Assert.Equal(9, snapshot2.TotalCacheRemoveCount); Assert.Equal(68, snapshot2.TotalCacheSetCount); }
public void Constructor_InitializesCounters() { var snapshot = new BlockStoreCachePerformanceSnapshot(1301, 2352, 1244, 6452) { Start = new DateTime(2017, 1, 1), Taken = DateTime.UtcNow }; Assert.Equal(1301, snapshot.TotalCacheHitCount); Assert.Equal(2352, snapshot.TotalCacheMissCount); Assert.Equal(1244, snapshot.TotalCacheRemoveCount); Assert.Equal(6452, snapshot.TotalCacheSetCount); }
public void SubtractOperator_SubtractsValuesFromMultipleSnapshots_CreatesNewSnapshot() { var snapshot = new BlockStoreCachePerformanceSnapshot(1301, 2352, 1244, 6452) { Start = new DateTime(2017, 1, 1), Taken = new DateTime(2017, 1, 1, 1, 1, 1) }; var snapshot2 = new BlockStoreCachePerformanceSnapshot(4312, 3552, 2216, 9023) { Start = new DateTime(2017, 1, 1), Taken = new DateTime(2017, 1, 1, 3, 1, 1) }; BlockStoreCachePerformanceSnapshot snapshot3 = snapshot2 - snapshot; Assert.Equal(3011, snapshot3.TotalCacheHitCount); Assert.Equal(1200, snapshot3.TotalCacheMissCount); Assert.Equal(972, snapshot3.TotalCacheRemoveCount); Assert.Equal(2571, snapshot3.TotalCacheSetCount); Assert.Equal(new DateTime(2017, 1, 1, 1, 1, 1), snapshot3.Start); Assert.Equal(new DateTime(2017, 1, 1, 3, 1, 1), snapshot3.Taken); }