add simple ring buffer

Containers/tests/RingBufferByte.cpp

@@ -0,0 +1,69 @@
+
+#include "Tests.hpp"
+#include "RingBufferByte.hpp"
+
+SUITE(RingBufferBytes) {
+	TEST(Simple) {
+
+		using Data = std::vector<uint8_t>;
+		using DataStorage = std::vector<Data>;
+
+		constexpr auto BUFFER_SIZE = 395;
+		constexpr auto MAX_MSG_SIZE = 31;
+		constexpr auto ITERATIONS = 100000;
+
+		DataStorage pushed;
+		DataStorage popped;
+
+		RingBufferByte<true> buffer(BUFFER_SIZE);
+
+		Data randomSamples(MAX_MSG_SIZE);
+
+		for (auto idx = 0; idx < MAX_MSG_SIZE; idx++) {
+			randomSamples[idx] = (idx + 5 * 31) % 13;
+		}
+
+		const auto PUSH = [&](RingBufferByte<true>& buffer, DataStorage* storage) {
+			const Data& pushedSample = randomSamples;
+
+			buffer.pushBack(pushedSample.data(), pushedSample.size());
+
+			if (storage) {
+				storage->push_back(pushedSample);
+			}
+		};
+
+		const auto POP = [](RingBufferByte<true>& buffer, DataStorage* storage) {
+			const auto poppedSampleSize = buffer.frontSize();
+
+			Data poppedSample(poppedSampleSize);
+
+			const auto SIZE = buffer.popFront(poppedSample.data());
+
+			CHECK(poppedSample.size() == SIZE);
+
+			if (storage) {
+				storage->push_back(poppedSample);
+			}
+		};
+
+		for (auto iteration = 0; iteration < ITERATIONS; iteration++) {
+			PUSH(buffer, nullptr);
+		}
+
+		while (!buffer.empty()) {
+			POP(buffer, nullptr);
+		}
+
+		for (auto iteration = 0; iteration < ITERATIONS; iteration++) {
+			PUSH(buffer, &pushed);
+			POP(buffer, &popped);
+		}
+
+		CHECK(pushed.size() == popped.size());
+
+		for (auto idx = 0; idx < popped.size(); idx++) {
+			CHECK(pushed[idx] == popped[idx]);
+		}
+	}
+}