本文整理汇总了C++中BinaryFile::isFileOpen方法的典型用法代码示例。如果您正苦于以下问题:C++ BinaryFile::isFileOpen方法的具体用法?C++ BinaryFile::isFileOpen怎么用?C++ BinaryFile::isFileOpen使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类BinaryFile
的用法示例。
在下文中一共展示了BinaryFile::isFileOpen方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: testSeek
void BinaryFileTestCase::testSeek()
{
tstring str = TestHelper::getTestDataPath(_T("BinaryFileTestSeek"), false);
BinaryFile fileWriter;
fileWriter.open(str, BinaryFile::CREATE);
CPPUNIT_ASSERT( fileWriter.isFileOpen() );
int32_t nData;
for(size_t i = 0; i < 1000; ++i)
{
nData = (int32_t)i;
fileWriter.write(&nData, sizeof(int32_t));
}
fileWriter.close();
BinaryFile fileReader;
fileReader.open(str, BinaryFile::READ);
CPPUNIT_ASSERT( fileReader.isFileOpen() );
CPPUNIT_ASSERT((int64_t)1000 * sizeof(int32_t) == fileReader.getLength());
CPPUNIT_ASSERT_EQUAL((int64_t)0, fileReader.getPos());
fileReader.seek(10);
CPPUNIT_ASSERT_EQUAL((int64_t)10, fileReader.getPos());
fileReader.close();
//Remove file
File f(str);
f.remove();
}
示例2: index
void index(const tstring& sDir)
{
IndexWriterPtr pIndexWriter = m_pIndex->acquireWriter();
DirectoryIterator di(sDir, false);
while(di.hasNext())
{
const File& f = di.next();
if(f.isFile())
{
BinaryFile bf;
bf.open(f.getPath().c_str(), BinaryFile::READ);
if(bf.isFileOpen())
{
size_t nRead = (size_t)bf.getLength();
if (nRead > 0)
{
DocumentPtr pDoc = new Document(pIndexWriter->getDocSchema());
pDoc->addField(0, f.getPath().c_str());
char* buf = new char[nRead + 1];
bf.read(buf, nRead);
buf[nRead] = 0;
pDoc->addField(1, buf, nRead, false);
delete[] buf;
pIndexWriter->addDocument(pDoc);
}
}
}
}
docPool.commit();
pIndexWriter->close();
}
示例3: testLargeFileSeekAndRead
void BinaryFileTestCase::testLargeFileSeekAndRead()
{
#ifdef TEST_LARGE_FILE
tstring str = TestHelper::getTestDataPath(_T("BinaryFileTestLargeFile"), false);
BinaryFile bf;
bf.open(str.c_str(), BinaryFile::READ);
CPPUNIT_ASSERT( bf.isFileOpen() );
int64_t nPos = 1000000000;//1 GB
nPos <<= 4;//16 GB
int64_t nData = 123456789;
bf.seek(nPos);
bf.read(&nData,sizeof(int64_t));
CPPUNIT_ASSERT_EQUAL(nData,(int64_t)123456789);
#endif
}
示例4: testRead
void BinaryFileTestCase::testRead()
{
tstring str = TestHelper::getTestDataPath(_T("BinaryFileTestWriteFile"), false);
BinaryFile bf;
bf.open(str.c_str(),BinaryFile::READ);
CPPUNIT_ASSERT( bf.isFileOpen() );
int32_t nData;
for(size_t i = 0; i < 10000;i += 1000)
{
bf.seek(i);
bf.read(&nData,sizeof(int32_t));
CPPUNIT_ASSERT_EQUAL(nData,(int32_t)i);
}
bf.close();
}
示例5: testLargeFileWrite
void BinaryFileTestCase::testLargeFileWrite()
{
#ifdef TEST_LARGE_FILE
BinaryFile bf;
tstring str = TestHelper::getTestDataPath(_T("BinaryFileTestLargeFile"), false);
bf.open(str.c_str(),BinaryFile::CRTR);
CPPUNIT_ASSERT( bf.isFileOpen() );
int64_t nPos = 1000000000;//1 GB
nPos <<= 4;//16 GB
bf.seek(nPos);
int64_t nData = 123456789;
bf.write(&nData,sizeof(int64_t));
bf.close();
#endif
}