Disk cache: Add support for an extra data stream for each cache entry....

net/disk_cache/entry_unittest.cc

Index: net/disk_cache/entry_unittest.cc
===================================================================
--- net/disk_cache/entry_unittest.cc	(revision 6334)
+++ net/disk_cache/entry_unittest.cc	(working copy)
@@ -24,6 +24,7 @@
   void InternalAsyncIO();
   void ExternalSyncIO();
   void ExternalAsyncIO();
+  void StreamAccess();
   void GetKey();
   void GrowData();
   void TruncateData();
@@ -373,6 +374,42 @@
   ExternalAsyncIO();
 }
 
+// Tests IO on all valid streams.
+void DiskCacheEntryTest::StreamAccess() {
+  disk_cache::Entry *entry = NULL;
+  ASSERT_TRUE(cache_->CreateEntry("the first key", &entry));
+  ASSERT_TRUE(NULL != entry);
+
+  const int kBufferSize = 1024;
+  char buffer1[kBufferSize];
+  char buffer2[kBufferSize];
+
+  const int kNumStreams = 3;
+  for (int i = 0; i < kNumStreams; i++) {
+    CacheTestFillBuffer(buffer1, kBufferSize, false);
+    EXPECT_EQ(kBufferSize, entry->WriteData(i, 0, buffer1, kBufferSize, NULL,
+                                            false));
+    memset(buffer2, 0, kBufferSize);
+    EXPECT_EQ(kBufferSize, entry->ReadData(i, 0, buffer2, kBufferSize, NULL));
+    EXPECT_EQ(0, memcmp(buffer1, buffer2, kBufferSize));
+  }
+
+  EXPECT_EQ(net::ERR_INVALID_ARGUMENT,

[Nicolas Sylvain, 2008/12/04 18:52:28]

you comment says :  // Tests IO on all valid streams.
but you are testing also on non-valid streams

+            entry->ReadData(kNumStreams, 0, buffer1, kBufferSize, NULL));
+  entry->Close();
+}
+
+TEST_F(DiskCacheEntryTest, StreamAccess) {
+  InitCache();
+  StreamAccess();
+}
+
+TEST_F(DiskCacheEntryTest, MemoryOnlyStreamAccess) {
+  SetMemoryOnlyMode();
+  InitCache();
+  StreamAccess();
+}
+
 void DiskCacheEntryTest::GetKey() {
   std::string key1("the first key");
   disk_cache::Entry *entry1;