Branch CEF3 files from /branches/cef3 to /trunk/cef3 (issue #564).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@571 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

tests/unittests/stream_unittest.cc

@@ -0,0 +1,363 @@
+// Copyright (c) 2009 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license that
+// can be found in the LICENSE file.
+
+#include "include/cef_stream.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+static void VerifyStreamReadBehavior(CefRefPtr<CefStreamReader> stream,
+                                     const std::string& contents) {
+  int contentSize = static_cast<int>(contents.size());
+  const char* contentStr = contents.c_str();
+
+  // Move to the beginning of the stream
+  ASSERT_EQ(0, stream->Seek(0, SEEK_SET));
+  ASSERT_EQ(0, stream->Tell());
+
+  // Move to the end of the stream
+  ASSERT_EQ(0, stream->Seek(0, SEEK_END));
+  ASSERT_EQ(contentSize, stream->Tell());
+
+  // Move to the beginning of the stream
+  ASSERT_EQ(0, stream->Seek(-contentSize, SEEK_CUR));
+  ASSERT_EQ(0, stream->Tell());
+
+  // Read 10 characters at a time and verify the result
+  char buff[10];
+  int res, read, offset = 0;
+  do {
+    read = std::min(static_cast<int>(sizeof(buff)), contentSize-offset);
+    res = stream->Read(buff, 1, read);
+    ASSERT_EQ(read, res);
+    ASSERT_TRUE(!memcmp(contentStr+offset, buff, res));
+    offset += res;
+  } while (offset < contentSize);
+
+  // Read past the end of the file
+  stream->Read(buff, 1, 1);
+  ASSERT_TRUE(stream->Eof());
+}
+
+static void VerifyStreamWriteBehavior(CefRefPtr<CefStreamWriter> stream,
+                                      const std::string& contents) {
+  int contentSize = static_cast<int>(contents.size());
+  const char* contentStr = contents.c_str();
+
+  // Write 10 characters at a time and verify the result
+  int res, write, offset = 0;
+  do {
+    write = std::min(10, contentSize-offset);
+    res = stream->Write(contentStr+offset, 1, write);
+    ASSERT_EQ(write, res);
+    offset += res;
+    ASSERT_EQ(offset, stream->Tell());
+  } while (offset < contentSize);
+
+  // Move to the beginning of the stream
+  ASSERT_EQ(0, stream->Seek(-contentSize, SEEK_CUR));
+  ASSERT_EQ(0, stream->Tell());
+
+  // Move to the end of the stream
+  ASSERT_EQ(0, stream->Seek(0, SEEK_END));
+  ASSERT_EQ(contentSize, stream->Tell());
+
+  // Move to the beginning of the stream
+  ASSERT_EQ(0, stream->Seek(0, SEEK_SET));
+  ASSERT_EQ(0, stream->Tell());
+}
+
+TEST(StreamTest, ReadFile) {
+  const char* fileName = "StreamTest.VerifyReadFile.txt";
+  CefString fileNameStr = "StreamTest.VerifyReadFile.txt";
+  std::string contents = "This is my test\ncontents for the file";
+
+  // Create the file
+  FILE* f = NULL;
+#ifdef _WIN32
+  fopen_s(&f, fileName, "wb");
+#else
+  f = fopen(fileName, "wb");
+#endif
+  ASSERT_TRUE(f != NULL);
+  ASSERT_EQ((size_t)1, fwrite(contents.c_str(), contents.size(), 1, f));
+  fclose(f);
+
+  // Test the stream
+  CefRefPtr<CefStreamReader> stream(
+      CefStreamReader::CreateForFile(fileNameStr));
+  ASSERT_TRUE(stream.get() != NULL);
+  VerifyStreamReadBehavior(stream, contents);
+
+  // Release the file pointer
+  stream = NULL;
+
+  // Delete the file
+#ifdef _WIN32
+  ASSERT_EQ(0, _unlink(fileName));
+#else
+  ASSERT_EQ(0, unlink(fileName));
+#endif
+}
+
+TEST(StreamTest, ReadData) {
+  std::string contents = "This is my test\ncontents for the file";
+
+  // Test the stream
+  CefRefPtr<CefStreamReader> stream(
+      CefStreamReader::CreateForData(
+          static_cast<void*>(const_cast<char*>(contents.c_str())),
+          contents.size()));
+  ASSERT_TRUE(stream.get() != NULL);
+  VerifyStreamReadBehavior(stream, contents);
+}
+
+TEST(StreamTest, WriteFile) {
+  const char* fileName = "StreamTest.VerifyWriteFile.txt";
+  CefString fileNameStr = "StreamTest.VerifyWriteFile.txt";
+  std::string contents = "This is my test\ncontents for the file";
+
+  // Test the stream
+  CefRefPtr<CefStreamWriter> stream(
+      CefStreamWriter::CreateForFile(fileNameStr));
+  ASSERT_TRUE(stream.get() != NULL);
+  VerifyStreamWriteBehavior(stream, contents);
+
+  // Release the file pointer
+  stream = NULL;
+
+  // Read the file that was written
+  FILE* f = NULL;
+  char* buff = new char[contents.size()];
+#ifdef _WIN32
+  fopen_s(&f, fileName, "rb");
+#else
+  f = fopen(fileName, "rb");
+#endif
+  ASSERT_TRUE(f != NULL);
+  ASSERT_EQ((size_t)1, fread(buff, contents.size(), 1, f));
+
+  // Read past the end of the file
+  fgetc(f);
+  ASSERT_TRUE(feof(f));
+  fclose(f);
+
+  // Verify the file contents
+  ASSERT_TRUE(!memcmp(contents.c_str(), buff, contents.size()));
+  delete [] buff;
+
+  // Delete the file
+#ifdef _WIN32
+  ASSERT_EQ(0, _unlink(fileName));
+#else
+  ASSERT_EQ(0, unlink(fileName));
+#endif
+}
+
+bool g_ReadHandlerTesterDeleted = false;
+
+class ReadHandlerTester : public CefReadHandler {
+ public:
+  ReadHandlerTester()
+    : read_called_(false),
+      read_ptr_(NULL),
+      read_size_(0),
+      read_n_(0),
+      seek_called_(false),
+      seek_offset_(0),
+      seek_whence_(0),
+      tell_called_(false),
+      eof_called_(false) {
+  }
+  virtual ~ReadHandlerTester() {
+    g_ReadHandlerTesterDeleted = true;
+  }
+
+  virtual size_t Read(void* ptr, size_t size, size_t n) {
+    read_called_ = true;
+    read_ptr_ = ptr;
+    read_size_ = size;
+    read_n_ = n;
+    return 10;
+  }
+
+  virtual int Seek(int64 offset, int whence) {
+    seek_called_ = true;
+    seek_offset_ = offset;
+    seek_whence_ = whence;
+    return 10;
+  }
+
+  virtual int64 Tell() {
+    tell_called_ = true;
+    return 10;
+  }
+
+  virtual int Eof() {
+    eof_called_ = true;
+    return 10;
+  }
+
+  bool read_called_;
+  const void* read_ptr_;
+  size_t read_size_;
+  size_t read_n_;
+
+  bool seek_called_;
+  int64 seek_offset_;
+  int seek_whence_;
+
+  bool tell_called_;
+
+  bool eof_called_;
+
+  IMPLEMENT_REFCOUNTING(ReadHandlerTester);
+};
+
+TEST(StreamTest, ReadHandler) {
+  ReadHandlerTester* handler = new ReadHandlerTester();
+  ASSERT_TRUE(handler != NULL);
+
+  CefRefPtr<CefStreamReader> stream(CefStreamReader::CreateForHandler(handler));
+  ASSERT_TRUE(stream.get() != NULL);
+
+  // CefReadHandler Read
+  const char* read_ptr = "My data";
+  size_t read_size = sizeof(read_ptr);
+  size_t read_n = 1;
+  size_t read_res = stream->Read(
+      static_cast<void*>(const_cast<char*>(read_ptr)), read_size, read_n);
+  ASSERT_TRUE(handler->read_called_);
+  ASSERT_EQ((size_t)10, read_res);
+  ASSERT_EQ(read_ptr, handler->read_ptr_);
+  ASSERT_EQ(read_size, handler->read_size_);
+  ASSERT_EQ(read_n, handler->read_n_);
+
+  // CefReadHandler Seek
+  int64 seek_offset = 10;
+  int seek_whence = SEEK_CUR;
+  int seek_res = stream->Seek(seek_offset, seek_whence);
+  ASSERT_TRUE(handler->seek_called_);
+  ASSERT_EQ(10, seek_res);
+  ASSERT_EQ(seek_offset, handler->seek_offset_);
+  ASSERT_EQ(seek_whence, handler->seek_whence_);
+
+  // CefReadHandler Tell
+  int64 tell_res = stream->Tell();
+  ASSERT_TRUE(handler->tell_called_);
+  ASSERT_EQ(10, tell_res);
+
+  // CefReadHandler Eof
+  int eof_res = stream->Eof();
+  ASSERT_TRUE(handler->eof_called_);
+  ASSERT_EQ(10, eof_res);
+
+  // Delete the stream
+  stream = NULL;
+
+  // Verify that the handler object was deleted
+  ASSERT_TRUE(g_ReadHandlerTesterDeleted);
+}
+
+bool g_WriteHandlerTesterDeleted = false;
+
+class WriteHandlerTester : public CefWriteHandler {
+ public:
+  WriteHandlerTester()
+    : write_called_(false),
+      write_ptr_(NULL),
+      write_size_(0),
+      write_n_(0),
+      seek_called_(false),
+      seek_offset_(0),
+      seek_whence_(0),
+      tell_called_(false),
+      flush_called_(false) {
+  }
+  virtual ~WriteHandlerTester() {
+    g_WriteHandlerTesterDeleted = true;
+  }
+
+  virtual size_t Write(const void* ptr, size_t size, size_t n) {
+    write_called_ = true;
+    write_ptr_ = ptr;
+    write_size_ = size;
+    write_n_ = n;
+    return 10;
+  }
+
+  virtual int Seek(int64 offset, int whence) {
+    seek_called_ = true;
+    seek_offset_ = offset;
+    seek_whence_ = whence;
+    return 10;
+  }
+
+  virtual int64 Tell() {
+    tell_called_ = true;
+    return 10;
+  }
+
+  virtual int Flush() {
+    flush_called_ = true;
+    return 10;
+  }
+
+  bool write_called_;
+  const void* write_ptr_;
+  size_t write_size_;
+  size_t write_n_;
+
+  bool seek_called_;
+  int64 seek_offset_;
+  int seek_whence_;
+
+  bool tell_called_;
+
+  bool flush_called_;
+
+  IMPLEMENT_REFCOUNTING(WriteHandlerTester);
+};
+
+TEST(StreamTest, WriteHandler) {
+  WriteHandlerTester* handler = new WriteHandlerTester();
+  ASSERT_TRUE(handler != NULL);
+
+  CefRefPtr<CefStreamWriter> stream(CefStreamWriter::CreateForHandler(handler));
+  ASSERT_TRUE(stream.get() != NULL);
+
+  // CefWriteHandler Write
+  const char* write_ptr = "My data";
+  size_t write_size = sizeof(write_ptr);
+  size_t write_n = 1;
+  size_t write_res = stream->Write(write_ptr, write_size, write_n);
+  ASSERT_TRUE(handler->write_called_);
+  ASSERT_EQ((size_t)10, write_res);
+  ASSERT_EQ(write_ptr, handler->write_ptr_);
+  ASSERT_EQ(write_size, handler->write_size_);
+  ASSERT_EQ(write_n, handler->write_n_);
+
+  // CefWriteHandler Seek
+  int64 seek_offset = 10;
+  int seek_whence = SEEK_CUR;
+  int seek_res = stream->Seek(seek_offset, seek_whence);
+  ASSERT_TRUE(handler->seek_called_);
+  ASSERT_EQ(10, seek_res);
+  ASSERT_EQ(seek_offset, handler->seek_offset_);
+  ASSERT_EQ(seek_whence, handler->seek_whence_);
+
+  // CefWriteHandler Tell
+  int64 tell_res = stream->Tell();
+  ASSERT_TRUE(handler->tell_called_);
+  ASSERT_EQ(10, tell_res);
+
+  // CefWriteHandler Flush
+  int flush_res = stream->Flush();
+  ASSERT_TRUE(handler->flush_called_);
+  ASSERT_EQ(10, flush_res);
+
+  // Delete the stream
+  stream = NULL;
+
+  // Verify that the handler object was deleted
+  ASSERT_TRUE(g_WriteHandlerTesterDeleted);
+}