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EscapingSink_test.cpp
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/*
* EscapingSink_test.cpp
*
* Created on: Sep 22, 2015
* Author: peter
*/
#include <boost/test/unit_test.hpp>
#include "EscapingSink.h"
#include "RingBufferWriter.h"
namespace hdlc {
BOOST_AUTO_TEST_CASE( test_EscapingSink_is_born_ready ) {
RingBuffer<64> medium;
RingBufferWriter sink = RingBufferWriter(medium);
EscapingSink escapingSink = EscapingSink(sink);
BOOST_CHECK(escapingSink.isReady());
}
BOOST_AUTO_TEST_CASE( test_EscapingSink_becomes_unready_when_transmitting ) {
RingBuffer<64> medium;
RingBufferWriter sink = RingBufferWriter(medium);
EscapingSink escapingSink = EscapingSink(sink);
escapingSink.write(0x42);
BOOST_CHECK(!escapingSink.isReady());
}
BOOST_AUTO_TEST_CASE( test_EscapingSink_becomes_ready_after_transmitting ) {
RingBuffer<64> medium;
RingBufferWriter sink = RingBufferWriter(medium);
EscapingSink escapingSink = EscapingSink(sink);
escapingSink.write(0x42);
escapingSink.schedule();
BOOST_CHECK(escapingSink.isReady());
}
BOOST_AUTO_TEST_CASE( test_EscapingSink_transmits_octet_correctly ) {
RingBuffer<64> medium;
RingBufferWriter sink = RingBufferWriter(medium);
EscapingSink escapingSink = EscapingSink(sink);
escapingSink.write(0x42);
escapingSink.schedule();
BOOST_CHECK(0x42 == medium.get());
BOOST_CHECK(medium.isEmpty());
}
BOOST_AUTO_TEST_CASE( test_EscapingSink_transmits_escapable_octet_correctly ) {
RingBuffer<64> medium;
RingBufferWriter sink = RingBufferWriter(medium);
EscapingSink escapingSink = EscapingSink(sink);
escapingSink.write(EscapingSink::FLAG);
escapingSink.schedule();
escapingSink.write(EscapingSink::ESCAPE);
escapingSink.schedule();
BOOST_CHECK(EscapingSink::ESCAPE == medium.get());
BOOST_CHECK((EscapingSink::FLAG ^ EscapingSink::MASK) == medium.get());
BOOST_CHECK(EscapingSink::ESCAPE == medium.get());
BOOST_CHECK((EscapingSink::ESCAPE ^ EscapingSink::MASK) == medium.get());
BOOST_CHECK(medium.isEmpty());
}
BOOST_AUTO_TEST_CASE( test_EscapingSink_transmits_flag_octet_correctly ) {
RingBuffer<64> medium;
RingBufferWriter sink = RingBufferWriter(medium);
EscapingSink escapingSink = EscapingSink(sink);
escapingSink.writeFlag();
escapingSink.schedule();
BOOST_CHECK(EscapingSink::FLAG == medium.get());
BOOST_CHECK(medium.isEmpty());
}
} /* namespace hdlc */