Add some unit tests for MemoryCache.

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

 /*
  * 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
@@ skipping 407 matching lines @@
     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);
+    ASSERT_TRUE(memoryCache()->contains(resource));
+
+    EXPECT_EQ(resource, memoryCache()->resourceForURL(url1));
+
+    const KURL url2 = KURL(ParsedURLString, "http://test/resource");

[Nate Chapin, 2016/07/26 19:14:18]

Optional: url2 = url1.removeFragmentIdentifier();

[Nate Chapin, 2016/07/26 19:15:22]

Sorry, I meant MemoryCache::removeFragmentIdentifierIfNeeded(url1).

[HyungwookLee, 2016/07/27 00:53:24]

Done.

+    EXPECT_EQ(resource, memoryCache()->resourceForURL(url2));
+}
+
+TEST_F(MemoryCacheTest, MakeLiveAndDead)
+{
+    FakeResource* resource = FakeResource::create(ResourceRequest("http://test/resource"), Resource::Raw);
+    const char data[6] = "abcde";
+    resource->appendData(data, 5u);
+    memoryCache()->add(resource);
+
+    const size_t deadSize = memoryCache()->deadSize();
+    const size_t liveSize = memoryCache()->liveSize();
+
+    memoryCache()->makeLive(resource);
+    ASSERT_EQ(deadSize, memoryCache()->deadSize() + resource->size());
+    ASSERT_EQ(liveSize, memoryCache()->liveSize() - resource->size());
+
+    memoryCache()->makeDead(resource);
+    ASSERT_EQ(deadSize, memoryCache()->deadSize());
+    ASSERT_EQ(liveSize, memoryCache()->liveSize());
+}
+
+TEST_F(MemoryCacheTest, RemoveURLFromCache)
+{
+    const KURL url1 = KURL(ParsedURLString, "http://test/resource1");
+    FakeResource* resource1 = FakeResource::create(ResourceRequest(url1), Resource::Raw);
+    memoryCache()->add(resource1);
+    ASSERT_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);
+    ASSERT_TRUE(memoryCache()->contains(resource2));
+
+    memoryCache()->removeURLFromCache(url2);
+    EXPECT_FALSE(memoryCache()->contains(resource2));
+}
+
 } // namespace blink