Index: src/libchcore/Tests/TOverlappedDataBufferTests.cpp
===================================================================
diff -u -N -radf2d680643ef85665b042e03fed274ab8f11180 -r4160fe7ef4661c482d974476fa02eaadf1877d5b
--- src/libchcore/Tests/TOverlappedDataBufferTests.cpp	(.../TOverlappedDataBufferTests.cpp)	(revision adf2d680643ef85665b042e03fed274ab8f11180)
+++ src/libchcore/Tests/TOverlappedDataBufferTests.cpp	(.../TOverlappedDataBufferTests.cpp)	(revision 4160fe7ef4661c482d974476fa02eaadf1877d5b)
@@ -130,3 +130,156 @@
 
 	EXPECT_EQ(123, buffer.GetFilePosition());
 }
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+TEST(TOverlappedDataBufferTests, InitForRead)
+{
+	TOverlappedDataBufferQueue queue;
+	TOverlappedDataBuffer buffer(16384, &queue);
+
+	buffer.SetRequestedDataSize(123);
+	buffer.SetFilePosition(1);
+	buffer.SetRealDataSize(120);
+	buffer.SetLastPart(true);
+	buffer.SetErrorCode(54);
+	buffer.SetStatusCode(3);
+	buffer.SetBytesTransferred(12);
+
+	buffer.InitForRead(320, 600);
+
+	EXPECT_EQ(600, buffer.GetRequestedDataSize());
+	EXPECT_EQ(320, buffer.GetFilePosition());
+	EXPECT_EQ(0, buffer.GetRealDataSize());
+	EXPECT_EQ(false, buffer.IsLastPart());
+	EXPECT_EQ(0, buffer.GetErrorCode());
+	EXPECT_EQ(0, buffer.GetStatusCode());
+	EXPECT_EQ(0, buffer.GetBytesTransferred());
+}
+
+TEST(TOverlappedDataBufferTests, InitForWrite)
+{
+	TOverlappedDataBufferQueue queue;
+	TOverlappedDataBuffer buffer(16384, &queue);
+
+	buffer.SetRequestedDataSize(123);
+	buffer.SetFilePosition(1);
+	buffer.SetRealDataSize(120);
+	buffer.SetLastPart(true);
+	buffer.SetErrorCode(54);
+	buffer.SetStatusCode(3);
+	buffer.SetBytesTransferred(12);
+
+	buffer.InitForWrite();
+
+	EXPECT_EQ(0, buffer.GetErrorCode());
+	EXPECT_EQ(0, buffer.GetStatusCode());
+	EXPECT_EQ(0, buffer.GetBytesTransferred());
+}
+
+TEST(TOverlappedDataBufferTests, Reset)
+{
+	TOverlappedDataBufferQueue queue;
+	TOverlappedDataBuffer buffer(16384, &queue);
+
+	buffer.SetRequestedDataSize(123);
+	buffer.SetFilePosition(1);
+	buffer.SetRealDataSize(120);
+	buffer.SetLastPart(true);
+	buffer.SetErrorCode(54);
+	buffer.SetStatusCode(3);
+	buffer.SetBytesTransferred(12);
+
+	buffer.Reset();
+
+	EXPECT_EQ(0, buffer.GetRequestedDataSize());
+	EXPECT_EQ(0, buffer.GetFilePosition());
+	EXPECT_EQ(0, buffer.GetRealDataSize());
+	EXPECT_EQ(false, buffer.IsLastPart());
+	EXPECT_EQ(0, buffer.GetErrorCode());
+	EXPECT_EQ(0, buffer.GetStatusCode());
+	EXPECT_EQ(0, buffer.GetBytesTransferred());
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+TEST(TOverlappedDataBufferTests, RequeueAsEmpty)
+{
+	TOverlappedDataBufferQueue queue;
+	TOverlappedDataBuffer buffer(16384, &queue);
+
+	buffer.RequeueAsEmpty();
+
+	EXPECT_EQ(queue.GetEmptyBuffer(), &buffer);
+}
+
+TEST(TOverlappedDataBufferTests, RequeueAsFull)
+{
+	TOverlappedDataBufferQueue queue;
+	TOverlappedDataBuffer buffer(16384, &queue);
+
+	buffer.RequeueAsFull();
+
+	EXPECT_EQ(queue.GetFullBuffer(), &buffer);
+}
+
+TEST(TOverlappedDataBufferTests, RequeueAsFinished)
+{
+	TOverlappedDataBufferQueue queue;
+	TOverlappedDataBuffer buffer(16384, &queue);
+
+	buffer.RequeueAsFinished();
+
+	EXPECT_EQ(queue.GetFinishedBuffer(), &buffer);
+}
+///////////////////////////////////////////////////////////////////////////////////////////////////
+TEST(TOverlappedDataBufferTests, OverlappedReadCompleted_Success)
+{
+	TOverlappedDataBufferQueue queue;
+	TOverlappedDataBuffer buffer(16384, &queue);
+
+	buffer.InitForRead(0, 1024);
+	buffer.SetStatusCode(0);
+	buffer.SetBytesTransferred(234);
+
+	OverlappedReadCompleted(ERROR_SUCCESS, 234, &buffer);
+
+	EXPECT_TRUE(buffer.IsLastPart());
+	EXPECT_EQ(ERROR_SUCCESS, buffer.GetErrorCode());
+	EXPECT_EQ(234, buffer.GetRealDataSize());
+
+	EXPECT_EQ(queue.GetFullBuffer(), &buffer);
+}
+
+TEST(TOverlappedDataBufferTests, OverlappedReadCompleted_Failure)
+{
+	TOverlappedDataBufferQueue queue;
+	TOverlappedDataBuffer buffer(16384, &queue);
+
+	buffer.InitForRead(0, 1024);
+	buffer.SetStatusCode(0);
+	buffer.SetBytesTransferred(0);
+
+	OverlappedReadCompleted(ERROR_ACCESS_DENIED, 0, &buffer);
+
+	EXPECT_FALSE(buffer.IsLastPart());
+	EXPECT_EQ(ERROR_ACCESS_DENIED, buffer.GetErrorCode());
+	EXPECT_EQ(0, buffer.GetRealDataSize());
+
+	EXPECT_EQ(queue.GetFullBuffer(), &buffer);
+}
+
+TEST(TOverlappedDataBufferTests, OverlappedWriteCompleted_Success)
+{
+	TOverlappedDataBufferQueue queue;
+	TOverlappedDataBuffer buffer(16384, &queue);
+
+	buffer.InitForRead(0, 1024);
+	buffer.SetStatusCode(0);
+	buffer.SetBytesTransferred(234);
+	buffer.SetLastPart(true);
+	buffer.SetRealDataSize(234);
+
+	OverlappedWriteCompleted(ERROR_SUCCESS, 234, &buffer);
+
+	EXPECT_EQ(ERROR_SUCCESS, buffer.GetErrorCode());
+	EXPECT_EQ(queue.GetFinishedBuffer(), &buffer);
+}