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◆ main openmsx / src / unittest / CircularBuffer_test.cc
1.1 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
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#include "catch.hpp"
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#include "CircularBuffer.hh"
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using namespace openmsx;
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TEST_CASE("CircularBuffer")
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{
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	CircularBuffer<int, 3> buf;
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	CHECK(buf.empty());
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	CHECK(!buf.full());
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	CHECK(buf.size() == 0);
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	buf.push_back(15);
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	CHECK(!buf.empty());
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	CHECK(!buf.full());
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	CHECK(buf.size() == 1);
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	CHECK(buf[0] == 15);
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	CHECK(buf.front() == 15);
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	CHECK(buf.back() == 15);
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	buf[0] = 25;
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	CHECK(buf[0] == 25);
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	buf.push_front(17);
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	CHECK(!buf.empty());
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	CHECK(!buf.full());
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	CHECK(buf.size() == 2);
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	CHECK(buf[0] == 17);
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	CHECK(buf[1] == 25);
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	CHECK(buf.front() == 17);
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	CHECK(buf.back() == 25);
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	buf[1] = 35;
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	CHECK(buf[0] == 17);
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	CHECK(buf[1] == 35);
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	buf[0] = 27;
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	CHECK(buf[0] == 27);
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	CHECK(buf[1] == 35);
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	buf.push_back(11);
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	CHECK(buf.full());
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	CHECK(!buf.empty());
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	CHECK(buf.size() == 3);
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	CHECK(buf.front() == 27);
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	CHECK(buf.back() == 11);
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	CHECK(buf.pop_front() == 27);
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	CHECK(!buf.full());
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	CHECK(buf.size() == 2);
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	CHECK(buf.front() == 35);
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	CHECK(buf.back() == 11);
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	CHECK(buf.pop_back() == 11);
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	CHECK(buf.size() == 1);
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	CHECK(buf[0] == 35);
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	CHECK(buf.pop_front() == 35);
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	CHECK(buf.empty());
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}