| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Author: morlovich@google.com (Maksim Orlovich) |
| |
| // Unit-test for MockTimeCache |
| |
| #include "pagespeed/kernel/cache/mock_time_cache.h" |
| |
| #include <cstddef> |
| |
| #include "pagespeed/kernel/base/basictypes.h" |
| #include "pagespeed/kernel/base/gtest.h" |
| #include "pagespeed/kernel/base/mock_timer.h" |
| #include "pagespeed/kernel/base/scoped_ptr.h" |
| #include "pagespeed/kernel/base/shared_string.h" |
| #include "pagespeed/kernel/base/thread_system.h" |
| #include "pagespeed/kernel/cache/cache_test_base.h" |
| #include "pagespeed/kernel/cache/lru_cache.h" |
| #include "pagespeed/kernel/thread/mock_scheduler.h" |
| #include "pagespeed/kernel/util/platform.h" |
| |
| namespace net_instaweb { |
| namespace { |
| |
| const size_t kMaxSize = 100; |
| |
| // We start time from a non-zero value to make sure we don't confuse |
| // relative and absolute. The value itself is of no particular significance. |
| const int64 kStartTime = 3456; |
| |
| class MockTimeCacheTest : public CacheTestBase { |
| protected: |
| MockTimeCacheTest() |
| : thread_system_(Platform::CreateThreadSystem()), |
| timer_(thread_system_->NewMutex(), kStartTime), |
| scheduler_(thread_system_.get(), &timer_), |
| lru_cache_(kMaxSize), |
| cache_(&scheduler_, &lru_cache_) { |
| } |
| |
| virtual CacheInterface* Cache() { return &cache_; } |
| |
| void AdvanceTimeUs(int64 interval_us) { |
| scheduler_.AdvanceTimeUs(interval_us); |
| } |
| |
| protected: |
| scoped_ptr<ThreadSystem> thread_system_; |
| MockTimer timer_; |
| MockScheduler scheduler_; |
| LRUCache lru_cache_; |
| MockTimeCache cache_; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(MockTimeCacheTest); |
| }; |
| |
| TEST_F(MockTimeCacheTest, NoDelayOps) { |
| // Basic operation w/o any delay injected. |
| CheckNotFound("Name"); |
| CheckPut("Name", "Value"); |
| CheckGet("Name", "Value"); |
| cache_.Delete("Name"); |
| CheckNotFound("Name"); |
| } |
| |
| TEST_F(MockTimeCacheTest, DelayOps) { |
| const int64 kDelayUs = 10000; |
| cache_.set_delay_us(kDelayUs); |
| |
| // Load the value. |
| CheckPut("Name", "Value"); |
| |
| // Try getting... |
| CacheTestBase::Callback result; |
| cache_.Get("Name", &result); |
| |
| // Initially, should not have been called. |
| EXPECT_FALSE(result.called()); |
| |
| // Move halfways to completion; should still have not been called. |
| AdvanceTimeUs(kDelayUs / 2); |
| EXPECT_FALSE(result.called()); |
| |
| // Now after it expires, it should be OK. |
| AdvanceTimeUs(kDelayUs / 2 + 1); |
| EXPECT_TRUE(result.called()); |
| EXPECT_EQ(CacheInterface::kAvailable, result.state()); |
| EXPECT_EQ("Value", result.value()->Value()); |
| |
| // Do the same thing after deleting it. |
| cache_.Delete("Name"); |
| cache_.Get("Name", result.Reset()); |
| EXPECT_FALSE(result.called()); |
| AdvanceTimeUs(kDelayUs / 2); |
| EXPECT_FALSE(result.called()); |
| AdvanceTimeUs(kDelayUs / 2 + 1); |
| EXPECT_TRUE(result.called()); |
| EXPECT_EQ(CacheInterface::kNotFound, result.state()); |
| } |
| |
| } // namespace |
| } // namespace net_instaweb |