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| 1 /* | |
| 2 * Copyright 2012 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #include "SkTObjectPool.h" | |
| 9 #include "SkTObjectPool.h" | |
| 10 #include "Test.h" | |
| 11 | |
| 12 class PoolEntry { | |
| 13 public: | |
| 14 private: | |
| 15 SK_DECLARE_INTERNAL_SLIST_INTERFACE(PoolEntry); | |
| 16 }; | |
| 17 | |
| 18 static const int kNumItemsPerBlock = 3; | |
| 19 typedef SkTObjectPool<PoolEntry, kNumItemsPerBlock> ObjectPoolType; | |
| 20 | |
| 21 static bool verifyPool(skiatest::Reporter* reporter, | |
| 22 const ObjectPoolType& pool, | |
| 23 const char* stage, | |
| 24 int available, int blocks) { | |
| 25 if (available != pool.available()) { | |
| 26 ERRORF(reporter, "%s - Pool available is %d not %d", | |
| 27 stage, pool.available(), available); | |
| 28 return false; | |
| 29 } | |
| 30 if (blocks != pool.blocks()) { | |
| 31 ERRORF(reporter, "%s - Pool blocks is %d not %d", | |
| 32 stage, pool.blocks(), blocks); | |
| 33 return false; | |
| 34 } | |
| 35 return true; | |
| 36 } | |
| 37 | |
| 38 static const int kNumToAcquire = kNumItemsPerBlock * 5; | |
| 39 static void testObjectPool(skiatest::Reporter* reporter) { | |
| 40 ObjectPoolType pool; | |
| 41 SkTInternalSList<PoolEntry> used; | |
| 42 verifyPool(reporter, pool, "empty", 0, 0); | |
| 43 for (int index = 0; index < kNumToAcquire; ++index) { | |
| 44 used.push(pool.acquire()); | |
| 45 int blocks = (index / kNumItemsPerBlock) + 1; | |
| 46 int available = (blocks * kNumItemsPerBlock) - (index + 1); | |
| 47 if (!verifyPool(reporter, pool, "acquire", available, blocks)) { | |
| 48 return; | |
| 49 } | |
| 50 } | |
| 51 int available = pool.available(); | |
| 52 int blocks = pool.blocks(); | |
| 53 for (int index = 0; index < kNumToAcquire / 2; ++index) { | |
| 54 pool.release(used.pop()); | |
| 55 ++available; | |
| 56 if (!verifyPool(reporter, pool, "release", available, blocks)) { | |
| 57 return; | |
| 58 } | |
| 59 } | |
| 60 available += used.getCount(); | |
| 61 pool.releaseAll(&used); | |
| 62 REPORTER_ASSERT(reporter, used.isEmpty()); | |
| 63 verifyPool(reporter, pool, "releaseAll", available, blocks); | |
| 64 } | |
| 65 | |
| 66 DEF_TEST(ObjectPool, reporter) { | |
| 67 testObjectPool(reporter); | |
| 68 } | |
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