void inflatorOstreamTest()
{
// test
std::stringstream deflatetarget;
zim::DeflateStream deflator(deflatetarget);
deflator << testtext << std::flush;
{
std::ostringstream msg;
msg << "teststring with " << testtext.size() << " bytes compressed into " << deflatetarget.str().size() << " bytes";
reportMessage(msg.str());
}
std::ostringstream inflatetarget;
zim::InflateStream inflator(inflatetarget); // inflator is a ostream here
inflator << deflatetarget.str() << std::flush;
{
std::ostringstream msg;
msg << "teststring uncompressed to " << inflatetarget.str().size() << " bytes";
reportMessage(msg.str());
}
CXXTOOLS_UNIT_ASSERT_EQUALS(testtext, inflatetarget.str());
}
/*
* test that DecodeVector works
*/
void BaseInflatorTest::testDecodeVector() {
TestInflator inflator(0, PDU::ONE_BYTE);
uint8_t data[] = {1, 2, 3, 4, 5, 6}; // the test data
unsigned int vector = 1;
unsigned int bytes_used = 0;
uint8_t flags = PDU::VFLAG_MASK;
OLA_ASSERT_FALSE(inflator.DecodeVector(flags, data, 0, &vector, &bytes_used));
OLA_ASSERT_EQ((unsigned int) 0, vector);
OLA_ASSERT_EQ((unsigned int) 0, bytes_used);
data[0] = 42;
for (unsigned int i = 1; i < sizeof(data); i++) {
OLA_ASSERT(inflator.DecodeVector(flags, data, i, &vector, &bytes_used));
OLA_ASSERT_EQ((unsigned int) 42, vector);
OLA_ASSERT_EQ((unsigned int) 1, bytes_used);
}
// now make sure we can reuse the vector
flags = 0;
for (unsigned int i = 0; i < sizeof(data); i++) {
OLA_ASSERT(inflator.DecodeVector(flags, data, i, &vector, &bytes_used));
OLA_ASSERT_EQ((unsigned int) 42, vector);
OLA_ASSERT_EQ((unsigned int) 0, bytes_used);
}
// resetting doesn't allow us to reuse the vector
inflator.ResetPDUFields();
for (unsigned int i = 0; i < sizeof(data); i++) {
OLA_ASSERT_FALSE(inflator.DecodeVector(flags, data, i, &vector,
&bytes_used));
OLA_ASSERT_EQ((unsigned int) 0, vector);
OLA_ASSERT_EQ((unsigned int) 0, bytes_used);
}
// now try with a vector size of 2
flags = PDU::VFLAG_MASK;
TestInflator inflator2(0, PDU::TWO_BYTES);
for (unsigned int i = 0; i < 2; i++) {
OLA_ASSERT_FALSE(
inflator2.DecodeVector(flags, data, i, &vector, &bytes_used));
OLA_ASSERT_EQ((unsigned int) 0, vector);
OLA_ASSERT_EQ((unsigned int) 0, bytes_used);
}
data[0] = 0x80;
data[1] = 0x21;
for (unsigned int i = 2; i < sizeof(data); i++) {
OLA_ASSERT(inflator2.DecodeVector(flags, data, i, &vector, &bytes_used));
OLA_ASSERT_EQ((unsigned int) 32801, vector);
OLA_ASSERT_EQ((unsigned int) 2, bytes_used);
}
// now make sure we can reuse the vector
flags = 0;
for (unsigned int i = 0; i < sizeof(data); i++) {
OLA_ASSERT(inflator2.DecodeVector(flags, data, i, &vector, &bytes_used));
OLA_ASSERT_EQ((unsigned int) 32801, vector);
OLA_ASSERT_EQ((unsigned int) 0, bytes_used);
}
// resetting doesn't allow us to reuse the vector
inflator2.ResetPDUFields();
for (unsigned int i = 0; i < sizeof(data); i++) {
OLA_ASSERT_FALSE(
inflator2.DecodeVector(flags, data, i, &vector, &bytes_used));
OLA_ASSERT_EQ((unsigned int) 0, vector);
OLA_ASSERT_EQ((unsigned int) 0, bytes_used);
}
// now try with a vector size of 4
flags = PDU::VFLAG_MASK;
TestInflator inflator4(0, PDU::FOUR_BYTES);
for (unsigned int i = 0; i < 4; i++) {
OLA_ASSERT_FALSE(
inflator4.DecodeVector(flags, data, i, &vector, &bytes_used));
OLA_ASSERT_EQ((unsigned int) 0, vector);
OLA_ASSERT_EQ((unsigned int) 0, bytes_used);
}
data[0] = 0x01;
data[1] = 0x21;
data[2] = 0x32;
data[3] = 0x45;
for (unsigned int i = 4; i < 8; i++) {
OLA_ASSERT(inflator4.DecodeVector(flags, data, i, &vector, &bytes_used));
OLA_ASSERT_EQ((uint32_t) 18952773, vector);
OLA_ASSERT_EQ((unsigned int) 4, bytes_used);
}
}
