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Minimal test - lines (27, 56)

Code

class nsBinaryOutputStream final : public nsIObjectOutputStream {
 public:
  nsBinaryOutputStream() = default;

 protected:
  friend already_AddRefed NS_NewObjectOutputStream(
      nsIOutputStream*);

  // nsISupports methods
  NS_DECL_ISUPPORTS

  // nsIOutputStream methods
  NS_DECL_NSIOUTPUTSTREAM

  // nsIBinaryOutputStream methods
  NS_DECL_NSIBINARYOUTPUTSTREAM

  // nsIObjectOutputStream methods
  NS_DECL_NSIOBJECTOUTPUTSTREAM

  // Call Write(), ensuring that all proffered data is written
  nsresult WriteFully(const char* aBuf, uint32_t aCount);

  nsCOMPtr mOutputStream;
  nsCOMPtr mBufferAccess;

 private:
  // virtual dtor since subclasses call our Release()
  virtual ~nsBinaryOutputStream() = default;
};

Minimal test - lines (67, 97)

Code

class nsBinaryInputStream final : public nsIObjectInputStream {
 public:
  nsBinaryInputStream() = default;

 protected:
  friend already_AddRefed NS_NewObjectInputStream(
      nsIInputStream*);

  // nsISupports methods
  NS_DECL_ISUPPORTS

  // nsIInputStream methods
  NS_DECL_NSIINPUTSTREAM

  // nsIBinaryInputStream methods
  NS_DECL_NSIBINARYINPUTSTREAM

  // nsIObjectInputStream methods
  NS_DECL_NSIOBJECTINPUTSTREAM

  nsCOMPtr mInputStream;
  nsCOMPtr mBufferAccess;

 private:
  // Shared infrastructure for ReadBytes and ReadByteArray.  Callers
  // are expected to provide a buffer that can contain aLength bytes.
  nsresult ReadBytesToBuffer(uint32_t aLength, uint8_t* aBuffer);

  // virtual dtor since subclasses call our Release()
  virtual ~nsBinaryInputStream() = default;
};

Minimal test - lines (29, 29)

Code

  nsBinaryOutputStream() = default;