Loading: move core/fetch to platform/loader/fetch

third_party/WebKit/Source/core/fetch/MemoryCacheTest.cpp

Index: third_party/WebKit/Source/core/fetch/MemoryCacheTest.cpp
diff --git a/third_party/WebKit/Source/core/fetch/MemoryCacheTest.cpp b/third_party/WebKit/Source/core/fetch/MemoryCacheTest.cpp
deleted file mode 100644
index a6465be606cb37fec618d7f70f210ff48a02ce84..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/fetch/MemoryCacheTest.cpp
+++ /dev/null
@@ -1,398 +0,0 @@
-/*
- * Copyright (c) 2013, Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "core/fetch/MemoryCache.h"
-
-#include "core/fetch/MockResourceClient.h"
-#include "core/fetch/RawResource.h"
-#include "platform/network/ResourceRequest.h"
-#include "platform/testing/UnitTestHelpers.h"
-#include "public/platform/Platform.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace blink {
-
-class MemoryCacheTest : public ::testing::Test {
- public:
-  class FakeDecodedResource final : public Resource {
-   public:
-    static FakeDecodedResource* create(const ResourceRequest& request,
-                                       Type type) {
-      return new FakeDecodedResource(request, type, ResourceLoaderOptions());
-    }
-
-    virtual void appendData(const char* data, size_t len) {
-      Resource::appendData(data, len);
-      setDecodedSize(this->size());
-    }
-
-   private:
-    FakeDecodedResource(const ResourceRequest& request,
-                        Type type,
-                        const ResourceLoaderOptions& options)
-        : Resource(request, type, options) {}
-
-    void destroyDecodedDataIfPossible() override { setDecodedSize(0); }
-  };
-
-  class FakeResource final : public Resource {
-   public:
-    static FakeResource* create(const ResourceRequest& request, Type type) {
-      return new FakeResource(request, type, ResourceLoaderOptions());
-    }
-
-    void fakeEncodedSize(size_t size) { setEncodedSize(size); }
-
-   private:
-    FakeResource(const ResourceRequest& request,
-                 Type type,
-                 const ResourceLoaderOptions& options)
-        : Resource(request, type, options) {}
-  };
-
- protected:
-  virtual void SetUp() {
-    // Save the global memory cache to restore it upon teardown.
-    m_globalMemoryCache = replaceMemoryCacheForTesting(MemoryCache::create());
-  }
-
-  virtual void TearDown() {
-    replaceMemoryCacheForTesting(m_globalMemoryCache.release());
-  }
-
-  Persistent<MemoryCache> m_globalMemoryCache;
-};
-
-// Verifies that setters and getters for cache capacities work correcty.
-TEST_F(MemoryCacheTest, CapacityAccounting) {
-  const size_t sizeMax = ~static_cast<size_t>(0);
-  const size_t totalCapacity = sizeMax / 4;
-  memoryCache()->setCapacity(totalCapacity);
-  EXPECT_EQ(totalCapacity, memoryCache()->capacity());
-}
-
-TEST_F(MemoryCacheTest, VeryLargeResourceAccounting) {
-  const size_t sizeMax = ~static_cast<size_t>(0);
-  const size_t totalCapacity = sizeMax / 4;
-  const size_t resourceSize1 = sizeMax / 16;
-  const size_t resourceSize2 = sizeMax / 20;
-  memoryCache()->setCapacity(totalCapacity);
-  FakeResource* cachedResource = FakeResource::create(
-      ResourceRequest("http://test/resource"), Resource::Raw);
-  cachedResource->fakeEncodedSize(resourceSize1);
-
-  EXPECT_EQ(0u, memoryCache()->size());
-  memoryCache()->add(cachedResource);
-  EXPECT_EQ(cachedResource->size(), memoryCache()->size());
-
-  Persistent<MockResourceClient> client =
-      new MockResourceClient(cachedResource);
-  EXPECT_EQ(cachedResource->size(), memoryCache()->size());
-
-  cachedResource->fakeEncodedSize(resourceSize2);
-  EXPECT_EQ(cachedResource->size(), memoryCache()->size());
-}
-
-static void runTask1(Resource* resource1, Resource* resource2) {
-  // The resource size has to be nonzero for this test to be meaningful, but
-  // we do not rely on it having any particular value.
-  EXPECT_GT(resource1->size(), 0u);
-  EXPECT_GT(resource2->size(), 0u);
-
-  EXPECT_EQ(0u, memoryCache()->size());
-
-  memoryCache()->add(resource1);
-  memoryCache()->add(resource2);
-
-  size_t totalSize = resource1->size() + resource2->size();
-  EXPECT_EQ(totalSize, memoryCache()->size());
-  EXPECT_GT(resource1->decodedSize(), 0u);
-  EXPECT_GT(resource2->decodedSize(), 0u);
-
-  // We expect actual pruning doesn't occur here synchronously but deferred
-  // to the end of this task, due to the previous pruning invoked in
-  // testResourcePruningAtEndOfTask().
-  memoryCache()->prune();
-  EXPECT_EQ(totalSize, memoryCache()->size());
-  EXPECT_GT(resource1->decodedSize(), 0u);
-  EXPECT_GT(resource2->decodedSize(), 0u);
-}
-
-static void runTask2(unsigned sizeWithoutDecode) {
-  // Next task: now, the resources was pruned.
-  EXPECT_EQ(sizeWithoutDecode, memoryCache()->size());
-}
-
-static void testResourcePruningAtEndOfTask(Resource* resource1,
-                                           Resource* resource2) {
-  memoryCache()->setDelayBeforeLiveDecodedPrune(0);
-
-  // Enforce pruning by adding |dummyResource| and then call prune().
-  Resource* dummyResource =
-      RawResource::create(ResourceRequest("http://dummy"), Resource::Raw);
-  memoryCache()->add(dummyResource);
-  EXPECT_GT(memoryCache()->size(), 1u);
-  const unsigned totalCapacity = 1;
-  memoryCache()->setCapacity(totalCapacity);
-  memoryCache()->prune();
-  memoryCache()->remove(dummyResource);
-  EXPECT_EQ(0u, memoryCache()->size());
-
-  const char data[6] = "abcde";
-  resource1->appendData(data, 3u);
-  resource1->finish();
-  Persistent<MockResourceClient> client = new MockResourceClient(resource2);
-  resource2->appendData(data, 4u);
-  resource2->finish();
-
-  Platform::current()->currentThread()->getWebTaskRunner()->postTask(
-      BLINK_FROM_HERE, WTF::bind(&runTask1, wrapPersistent(resource1),
-                                 wrapPersistent(resource2)));
-  Platform::current()->currentThread()->getWebTaskRunner()->postTask(
-      BLINK_FROM_HERE,
-      WTF::bind(&runTask2,
-                resource1->encodedSize() + resource1->overheadSize() +
-                    resource2->encodedSize() + resource2->overheadSize()));
-  testing::runPendingTasks();
-}
-
-// Verified that when ordering a prune in a runLoop task, the prune
-// is deferred to the end of the task.
-TEST_F(MemoryCacheTest, ResourcePruningAtEndOfTask_Basic) {
-  Resource* resource1 = FakeDecodedResource::create(
-      ResourceRequest("http://test/resource1"), Resource::Raw);
-  Resource* resource2 = FakeDecodedResource::create(
-      ResourceRequest("http://test/resource2"), Resource::Raw);
-  testResourcePruningAtEndOfTask(resource1, resource2);
-}
-
-TEST_F(MemoryCacheTest, ResourcePruningAtEndOfTask_MultipleResourceMaps) {
-  {
-    Resource* resource1 = FakeDecodedResource::create(
-        ResourceRequest("http://test/resource1"), Resource::Raw);
-    Resource* resource2 = FakeDecodedResource::create(
-        ResourceRequest("http://test/resource2"), Resource::Raw);
-    resource1->setCacheIdentifier("foo");
-    testResourcePruningAtEndOfTask(resource1, resource2);
-    memoryCache()->evictResources();
-  }
-  {
-    Resource* resource1 = FakeDecodedResource::create(
-        ResourceRequest("http://test/resource1"), Resource::Raw);
-    Resource* resource2 = FakeDecodedResource::create(
-        ResourceRequest("http://test/resource2"), Resource::Raw);
-    resource1->setCacheIdentifier("foo");
-    resource2->setCacheIdentifier("bar");
-    testResourcePruningAtEndOfTask(resource1, resource2);
-    memoryCache()->evictResources();
-  }
-}
-
-// Verifies that
-// - Resources are not pruned synchronously when ResourceClient is removed.
-// - size() is updated appropriately when Resources are added to MemoryCache
-//   and garbage collected.
-static void testClientRemoval(Resource* resource1, Resource* resource2) {
-  const char data[6] = "abcde";
-  Persistent<MockResourceClient> client1 = new MockResourceClient(resource1);
-  resource1->appendData(data, 4u);
-  Persistent<MockResourceClient> client2 = new MockResourceClient(resource2);
-  resource2->appendData(data, 4u);
-
-  memoryCache()->setCapacity(0);
-  memoryCache()->add(resource1);
-  memoryCache()->add(resource2);
-
-  size_t originalTotalSize = resource1->size() + resource2->size();
-
-  // Call prune. There is nothing to prune, but this will initialize
-  // the prune timestamp, allowing future prunes to be deferred.
-  memoryCache()->prune();
-  EXPECT_GT(resource1->decodedSize(), 0u);
-  EXPECT_GT(resource2->decodedSize(), 0u);
-  EXPECT_EQ(originalTotalSize, memoryCache()->size());
-
-  // Removing the client from resource1 should not trigger pruning.
-  client1->removeAsClient();
-  EXPECT_GT(resource1->decodedSize(), 0u);
-  EXPECT_GT(resource2->decodedSize(), 0u);
-  EXPECT_EQ(originalTotalSize, memoryCache()->size());
-  EXPECT_TRUE(memoryCache()->contains(resource1));
-  EXPECT_TRUE(memoryCache()->contains(resource2));
-
-  // Removing the client from resource2 should not trigger pruning.
-  client2->removeAsClient();
-  EXPECT_GT(resource1->decodedSize(), 0u);
-  EXPECT_GT(resource2->decodedSize(), 0u);
-  EXPECT_EQ(originalTotalSize, memoryCache()->size());
-  EXPECT_TRUE(memoryCache()->contains(resource1));
-  EXPECT_TRUE(memoryCache()->contains(resource2));
-
-  WeakPersistent<Resource> resource1Weak = resource1;
-  WeakPersistent<Resource> resource2Weak = resource2;
-
-  ThreadState::current()->collectGarbage(
-      BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithSweep, BlinkGC::ForcedGC);
-  // Resources are garbage-collected (WeakMemoryCache) and thus removed
-  // from MemoryCache.
-  EXPECT_FALSE(resource1Weak);
-  EXPECT_FALSE(resource2Weak);
-  EXPECT_EQ(0u, memoryCache()->size());
-}
-
-TEST_F(MemoryCacheTest, ClientRemoval_Basic) {
-  Resource* resource1 = FakeDecodedResource::create(
-      ResourceRequest("http://foo.com"), Resource::Raw);
-  Resource* resource2 = FakeDecodedResource::create(
-      ResourceRequest("http://test/resource"), Resource::Raw);
-  testClientRemoval(resource1, resource2);
-}
-
-TEST_F(MemoryCacheTest, ClientRemoval_MultipleResourceMaps) {
-  {
-    Resource* resource1 = FakeDecodedResource::create(
-        ResourceRequest("http://foo.com"), Resource::Raw);
-    resource1->setCacheIdentifier("foo");
-    Resource* resource2 = FakeDecodedResource::create(
-        ResourceRequest("http://test/resource"), Resource::Raw);
-    testClientRemoval(resource1, resource2);
-    memoryCache()->evictResources();
-  }
-  {
-    Resource* resource1 = FakeDecodedResource::create(
-        ResourceRequest("http://foo.com"), Resource::Raw);
-    Resource* resource2 = FakeDecodedResource::create(
-        ResourceRequest("http://test/resource"), Resource::Raw);
-    resource2->setCacheIdentifier("foo");
-    testClientRemoval(resource1, resource2);
-    memoryCache()->evictResources();
-  }
-  {
-    Resource* resource1 = FakeDecodedResource::create(
-        ResourceRequest("http://test/resource"), Resource::Raw);
-    resource1->setCacheIdentifier("foo");
-    Resource* resource2 = FakeDecodedResource::create(
-        ResourceRequest("http://test/resource"), Resource::Raw);
-    resource2->setCacheIdentifier("bar");
-    testClientRemoval(resource1, resource2);
-    memoryCache()->evictResources();
-  }
-}
-
-TEST_F(MemoryCacheTest, RemoveDuringRevalidation) {
-  FakeResource* resource1 = FakeResource::create(
-      ResourceRequest("http://test/resource"), Resource::Raw);
-  memoryCache()->add(resource1);
-
-  FakeResource* resource2 = FakeResource::create(
-      ResourceRequest("http://test/resource"), Resource::Raw);
-  memoryCache()->remove(resource1);
-  memoryCache()->add(resource2);
-  EXPECT_TRUE(memoryCache()->contains(resource2));
-  EXPECT_FALSE(memoryCache()->contains(resource1));
-
-  FakeResource* resource3 = FakeResource::create(
-      ResourceRequest("http://test/resource"), Resource::Raw);
-  memoryCache()->remove(resource2);
-  memoryCache()->add(resource3);
-  EXPECT_TRUE(memoryCache()->contains(resource3));
-  EXPECT_FALSE(memoryCache()->contains(resource2));
-}
-
-TEST_F(MemoryCacheTest, ResourceMapIsolation) {
-  FakeResource* resource1 = FakeResource::create(
-      ResourceRequest("http://test/resource"), Resource::Raw);
-  memoryCache()->add(resource1);
-
-  FakeResource* resource2 = FakeResource::create(
-      ResourceRequest("http://test/resource"), Resource::Raw);
-  resource2->setCacheIdentifier("foo");
-  memoryCache()->add(resource2);
-  EXPECT_TRUE(memoryCache()->contains(resource1));
-  EXPECT_TRUE(memoryCache()->contains(resource2));
-
-  const KURL url = KURL(ParsedURLString, "http://test/resource");
-  EXPECT_EQ(resource1, memoryCache()->resourceForURL(url));
-  EXPECT_EQ(resource1, memoryCache()->resourceForURL(
-                           url, memoryCache()->defaultCacheIdentifier()));
-  EXPECT_EQ(resource2, memoryCache()->resourceForURL(url, "foo"));
-  EXPECT_EQ(0, memoryCache()->resourceForURL(KURL()));
-
-  FakeResource* resource3 = FakeResource::create(
-      ResourceRequest("http://test/resource"), Resource::Raw);
-  resource3->setCacheIdentifier("foo");
-  memoryCache()->remove(resource2);
-  memoryCache()->add(resource3);
-  EXPECT_TRUE(memoryCache()->contains(resource1));
-  EXPECT_FALSE(memoryCache()->contains(resource2));
-  EXPECT_TRUE(memoryCache()->contains(resource3));
-
-  HeapVector<Member<Resource>> resources = memoryCache()->resourcesForURL(url);
-  EXPECT_EQ(2u, resources.size());
-
-  memoryCache()->evictResources();
-  EXPECT_FALSE(memoryCache()->contains(resource1));
-  EXPECT_FALSE(memoryCache()->contains(resource3));
-}
-
-TEST_F(MemoryCacheTest, FragmentIdentifier) {
-  const KURL url1 = KURL(ParsedURLString, "http://test/resource#foo");
-  FakeResource* resource =
-      FakeResource::create(ResourceRequest(url1), Resource::Raw);
-  memoryCache()->add(resource);
-  EXPECT_TRUE(memoryCache()->contains(resource));
-
-  EXPECT_EQ(resource, memoryCache()->resourceForURL(url1));
-
-  const KURL url2 = MemoryCache::removeFragmentIdentifierIfNeeded(url1);
-  EXPECT_EQ(resource, memoryCache()->resourceForURL(url2));
-}
-
-TEST_F(MemoryCacheTest, RemoveURLFromCache) {
-  const KURL url1 = KURL(ParsedURLString, "http://test/resource1");
-  Persistent<FakeResource> resource1 =
-      FakeResource::create(ResourceRequest(url1), Resource::Raw);
-  memoryCache()->add(resource1);
-  EXPECT_TRUE(memoryCache()->contains(resource1));
-
-  memoryCache()->removeURLFromCache(url1);
-  EXPECT_FALSE(memoryCache()->contains(resource1));
-
-  const KURL url2 = KURL(ParsedURLString, "http://test/resource2#foo");
-  FakeResource* resource2 =
-      FakeResource::create(ResourceRequest(url2), Resource::Raw);
-  memoryCache()->add(resource2);
-  EXPECT_TRUE(memoryCache()->contains(resource2));
-
-  memoryCache()->removeURLFromCache(url2);
-  EXPECT_FALSE(memoryCache()->contains(resource2));
-}
-
-}  // namespace blink