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#include "ChunkedDecoder.h"
#include "DlAbortEx.h"
#include <iostream>
#include <cppunit/extensions/HelperMacros.h>
namespace aria2 {
class ChunkedDecoderTest:public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(ChunkedDecoderTest);
CPPUNIT_TEST(testDecode);
CPPUNIT_TEST(testDecode_tooLargeChunkSize);
CPPUNIT_TEST(testDecode_chunkSizeMismatch);
CPPUNIT_TEST(testGetName);
CPPUNIT_TEST_SUITE_END();
public:
void setUp() {}
void testDecode();
void testDecode_tooLargeChunkSize();
void testDecode_chunkSizeMismatch();
void testGetName();
};
CPPUNIT_TEST_SUITE_REGISTRATION( ChunkedDecoderTest );
void ChunkedDecoderTest::testDecode()
{
ChunkedDecoder decoder;
decoder.init();
{
std::basic_string<unsigned char> msg =
reinterpret_cast<const unsigned char*>("a\r\n1234567890\r\n");
CPPUNIT_ASSERT_EQUAL(std::string("1234567890"),
decoder.decode(msg.c_str(), msg.size()));
}
// Feed extension; see it is ignored.
{
std::basic_string<unsigned char> msg =
reinterpret_cast<const unsigned char*>
("3;extensionIgnored\r\n123\r\n");
CPPUNIT_ASSERT_EQUAL(std::string("123"),
decoder.decode(msg.c_str(), msg.size()));
}
// Not all chunk size is available
{
std::basic_string<unsigned char> msg =
reinterpret_cast<const unsigned char*>("1");
CPPUNIT_ASSERT_EQUAL(std::string(),
decoder.decode(msg.c_str(), msg.size()));
}
{
std::basic_string<unsigned char> msg =
reinterpret_cast<const unsigned char*>("0\r\n1234567890123456\r\n");
CPPUNIT_ASSERT_EQUAL(std::string("1234567890123456"),
decoder.decode(msg.c_str(), msg.size()));
}
// Not all chunk data is available
{
std::basic_string<unsigned char> msg =
reinterpret_cast<const unsigned char*>("10\r\n1234567890");
CPPUNIT_ASSERT_EQUAL(std::string("1234567890"),
decoder.decode(msg.c_str(), msg.size()));
}
{
std::basic_string<unsigned char> msg =
reinterpret_cast<const unsigned char*>("123456\r\n");
CPPUNIT_ASSERT_EQUAL(std::string("123456"),
decoder.decode(msg.c_str(), msg.size()));
}
// no trailing CR LF.
{
std::basic_string<unsigned char> msg =
reinterpret_cast<const unsigned char*>
("10\r\n1234567890123456");
CPPUNIT_ASSERT_EQUAL(std::string("1234567890123456"),
decoder.decode(msg.c_str(), msg.size()));
}
// feed only CR
{
std::basic_string<unsigned char> msg =
reinterpret_cast<const unsigned char*>
("\r");
CPPUNIT_ASSERT_EQUAL(std::string(),
decoder.decode(msg.c_str(), msg.size()));
}
// feed next LF
{
std::basic_string<unsigned char> msg =
reinterpret_cast<const unsigned char*>
("\n");
CPPUNIT_ASSERT_EQUAL(std::string(),
decoder.decode(msg.c_str(), msg.size()));
}
// feed 0 CR LF.
{
std::basic_string<unsigned char> msg =
reinterpret_cast<const unsigned char*>
("0\r\n");
CPPUNIT_ASSERT_EQUAL(std::string(),
decoder.decode(msg.c_str(), msg.size()));
}
// input is over
CPPUNIT_ASSERT(decoder.finished());
decoder.release();
}
void ChunkedDecoderTest::testDecode_tooLargeChunkSize()
{
// chunkSize should be under 2^64-1
{
std::basic_string<unsigned char> msg =
reinterpret_cast<const unsigned char*>("ffffffffffffffff\r\n");
ChunkedDecoder decoder;
decoder.decode(msg.c_str(), msg.size());
}
// chunkSize 2^64 causes error
{
std::basic_string<unsigned char> msg =
reinterpret_cast<const unsigned char*>("10000000000000000\r\n");
ChunkedDecoder decoder;
try {
decoder.decode(msg.c_str(), msg.size());
CPPUNIT_FAIL("exception must be thrown.");
} catch(DlAbortEx& e) {
// success
}
}
}
void ChunkedDecoderTest::testDecode_chunkSizeMismatch()
{
std::basic_string<unsigned char> msg =
reinterpret_cast<const unsigned char*>("3\r\n1234\r\n");
ChunkedDecoder decoder;
try {
decoder.decode(msg.c_str(), msg.size());
CPPUNIT_FAIL("exception must be thrown.");
} catch(DlAbortEx& e) {
// success
}
}
void ChunkedDecoderTest::testGetName()
{
ChunkedDecoder decoder;
CPPUNIT_ASSERT_EQUAL(std::string("ChunkedDecoder"), decoder.getName());
}
} // namespace aria2
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