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/***************************************************************************
copyright : (C) 2015 by Tsuda Kageyu
email : tsuda.kageyu@gmail.com
***************************************************************************/
/***************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License version *
* 2.1 as published by the Free Software Foundation. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
* 02110-1301 USA *
* *
* Alternatively, this file is available under the Mozilla Public *
* License Version 1.1. You may obtain a copy of the License at *
* http://www.mozilla.org/MPL/ *
***************************************************************************/
#include <tfile.h>
#include <cppunit/extensions/HelperMacros.h>
#include "utils.h"
using namespace TagLib;
// File subclass that gives tests access to filesystem operations
class PlainFile : public File {
public:
PlainFile(FileName name) : File(name) { }
Tag *tag() const { return NULL; }
AudioProperties *audioProperties() const { return NULL; }
bool save(){ return false; }
void truncate(long length) { File::truncate(length); }
};
class TestFile : public CppUnit::TestFixture
{
CPPUNIT_TEST_SUITE(TestFile);
CPPUNIT_TEST(testFindInSmallFile);
CPPUNIT_TEST(testRFindInSmallFile);
CPPUNIT_TEST(testSeek);
CPPUNIT_TEST_SUITE_END();
public:
void testFindInSmallFile()
{
ScopedFileCopy copy("empty", ".ogg");
std::string name = copy.fileName();
{
PlainFile file(name.c_str());
file.seek(0);
file.writeBlock(ByteVector("0123456239", 10));
file.truncate(10);
}
{
PlainFile file(name.c_str());
CPPUNIT_ASSERT_EQUAL(10l, file.length());
CPPUNIT_ASSERT_EQUAL(2l, file.find(ByteVector("23", 2)));
CPPUNIT_ASSERT_EQUAL(2l, file.find(ByteVector("23", 2), 2));
CPPUNIT_ASSERT_EQUAL(7l, file.find(ByteVector("23", 2), 3));
file.seek(0);
const ByteVector v = file.readBlock(file.length());
CPPUNIT_ASSERT_EQUAL((unsigned int)10, v.size());
CPPUNIT_ASSERT_EQUAL((long)v.find("23"), file.find("23"));
CPPUNIT_ASSERT_EQUAL((long)v.find("23", 2), file.find("23", 2));
CPPUNIT_ASSERT_EQUAL((long)v.find("23", 3), file.find("23", 3));
}
}
void testRFindInSmallFile()
{
ScopedFileCopy copy("empty", ".ogg");
std::string name = copy.fileName();
{
PlainFile file(name.c_str());
file.seek(0);
file.writeBlock(ByteVector("0123456239", 10));
file.truncate(10);
}
{
PlainFile file(name.c_str());
CPPUNIT_ASSERT_EQUAL(10l, file.length());
CPPUNIT_ASSERT_EQUAL(7l, file.rfind(ByteVector("23", 2)));
CPPUNIT_ASSERT_EQUAL(7l, file.rfind(ByteVector("23", 2), 7));
CPPUNIT_ASSERT_EQUAL(2l, file.rfind(ByteVector("23", 2), 6));
file.seek(0);
const ByteVector v = file.readBlock(file.length());
CPPUNIT_ASSERT_EQUAL((unsigned int)10, v.size());
CPPUNIT_ASSERT_EQUAL((long)v.rfind("23"), file.rfind("23"));
CPPUNIT_ASSERT_EQUAL((long)v.rfind("23", 7), file.rfind("23", 7));
CPPUNIT_ASSERT_EQUAL((long)v.rfind("23", 6), file.rfind("23", 6));
}
}
void testSeek()
{
ScopedFileCopy copy("empty", ".ogg");
std::string name = copy.fileName();
PlainFile f(name.c_str());
CPPUNIT_ASSERT_EQUAL((long)0, f.tell());
CPPUNIT_ASSERT_EQUAL((long)4328, f.length());
f.seek(100, File::Beginning);
CPPUNIT_ASSERT_EQUAL((long)100, f.tell());
f.seek(100, File::Current);
CPPUNIT_ASSERT_EQUAL((long)200, f.tell());
f.seek(-300, File::Current);
CPPUNIT_ASSERT_EQUAL((long)200, f.tell());
f.seek(-100, File::End);
CPPUNIT_ASSERT_EQUAL((long)4228, f.tell());
f.seek(-100, File::Current);
CPPUNIT_ASSERT_EQUAL((long)4128, f.tell());
f.seek(300, File::Current);
CPPUNIT_ASSERT_EQUAL((long)4428, f.tell());
}
};
CPPUNIT_TEST_SUITE_REGISTRATION(TestFile);
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