premiere-libtorrent/test/test_timestamp_history.cpp

/*

Copyright (c) 2008-2015, Arvid Norberg
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    * Redistributions in binary form must reproduce the above copyright
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      the documentation and/or other materials provided with the distribution.
    * Neither the name of the author nor the names of its
      contributors may be used to endorse or promote products derived
      from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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*/

#include "test.hpp"
#include "libtorrent/timestamp_history.hpp"

TORRENT_TEST(timestamp_history)
{
	using namespace libtorrent;

	timestamp_history h;
	TEST_EQUAL(h.add_sample(0x32, false), 0);
	TEST_EQUAL(h.base(), 0x32);
	TEST_EQUAL(h.add_sample(0x33, false), 0x1);
	TEST_EQUAL(h.base(), 0x32);
	TEST_EQUAL(h.add_sample(0x3433, false), 0x3401);
	TEST_EQUAL(h.base(), 0x32);
	TEST_EQUAL(h.add_sample(0x30, false), 0);
	TEST_EQUAL(h.base(), 0x30);

	// test that wrapping of the timestamp is properly handled
	h.add_sample(0xfffffff3, false);
	TEST_EQUAL(h.base(), 0xfffffff3);

	// TODO: test the case where we have > 120 samples (and have the base delay actually be updated)
	// TODO: test the case where a sample is lower than the history entry but not lower than the base
}