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#include "SinkStreamFilter.h"
#include <cstdlib>
#include <iostream>
#include <cppunit/extensions/HelperMacros.h>
#include "Segment.h"
#include "ByteArrayDiskWriter.h"
#include "SinkStreamFilter.h"
#include "MockSegment.h"
namespace aria2 {
class SinkStreamFilterTest:public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(SinkStreamFilterTest);
CPPUNIT_TEST(testTransform_with_length);
CPPUNIT_TEST(testTransform_without_length);
CPPUNIT_TEST_SUITE_END();
class MockSegment2:public MockSegment {
public:
MockSegment2(int32_t length):length(length), writtenLength(0) {}
virtual int32_t getLength() const CXX11_OVERRIDE
{
return length;
}
virtual int32_t getWrittenLength() const CXX11_OVERRIDE
{
return writtenLength;
}
virtual void updateWrittenLength(int32_t bytes) CXX11_OVERRIDE
{
writtenLength += bytes;
}
int32_t length;
int32_t writtenLength;
};
std::shared_ptr<SinkStreamFilter> filter_;
std::shared_ptr<ByteArrayDiskWriter> writer_;
std::shared_ptr<MockSegment2> segment_;
void clearWriter()
{
writer_->setString("");
}
public:
void setUp()
{
writer_.reset(new ByteArrayDiskWriter());
filter_.reset(new SinkStreamFilter());
filter_->init();
segment_.reset(new MockSegment2(16));
}
void testTransform_with_length();
void testTransform_without_length();
};
CPPUNIT_TEST_SUITE_REGISTRATION( SinkStreamFilterTest );
void SinkStreamFilterTest::testTransform_with_length()
{
// If segment_->getLength() > 0, make sure that at most
// segment_->getLength()-segment_->getWrittenLength() bytes are
// written.
std::string msg("01234567890123456");
ssize_t r = filter_->transform
(writer_, segment_,
reinterpret_cast<const unsigned char*>(msg.c_str()), msg.size());
CPPUNIT_ASSERT_EQUAL((ssize_t)16, r);
}
void SinkStreamFilterTest::testTransform_without_length()
{
// If segment_->getLength() == 0, all incoming bytes are written.
segment_->length = 0;
std::string msg("01234567890123456");
ssize_t r = filter_->transform
(writer_, segment_,
reinterpret_cast<const unsigned char*>(msg.c_str()), msg.size());
CPPUNIT_ASSERT_EQUAL((ssize_t)17, r);
}
} // namespace aria2
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