Test for Flow::Test::Reactor.

source/flow_test/testreactor_tests.cpp

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+/* The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Cynara Krewe
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software, hardware and associated documentation files (the "Solution"), to deal
+ * in the Solution without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Solution, and to permit persons to whom the Solution is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Solution.
+ *
+ * THE SOLUTION IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOLUTION OR THE USE OR OTHER DEALINGS IN THE
+ * SOLUTION.
+ */
+
+#include <stdint.h>
+#include <vector>
+
+#include "CppUTest/TestHarness.h"
+#include "CppUTestExt/MockSupport.h"
+
+#include "flow/components.h"
+#include "flow/reactor.h"
+#include "flow/utility.h"
+
+#include "flow_test/data.h"
+
+using Flow::Test::Reactor;
+
+TEST_GROUP(TestReactor_TestBench)
+{
+	Reactor* reactor;
+
+	SoftwareTimer* timer;
+	Counter<Tick>* counterA;
+	Counter<uint32_t>* counterB;
+
+	std::vector<Flow::Connection*> connections;
+
+	Flow::InPort<uint32_t> inCount{ nullptr };
+
+	void setup()
+	{
+		reactor = new Reactor;
+
+		timer = new SoftwareTimer{1};
+		counterA = new Counter<Tick>{UINT32_MAX};
+		counterB = new Counter<uint32_t>{UINT32_MAX};
+
+		connections =
+		{
+			Flow::connect(timer->outTick, counterA->in),
+			Flow::connect(counterA->out, counterB->in),
+			Flow::connect(counterB->out, inCount)
+		};
+	}
+
+	void teardown()
+	{
+		mock().clear();
+
+		for(Flow::Connection* connection : connections)
+		{
+			Flow::disconnect(connection);
+		}
+		connections.clear();
+
+		delete timer;
+		delete counterA;
+		delete counterB;
+
+		delete reactor;
+	}
+};
+
+TEST(TestReactor_TestBench, React)
+{
+	reactor->start();
+
+	uint32_t finalCount = 0;
+	do
+	{
+		timer->isr();
+
+		mock().expectOneCall("Platform::waitForEvent()");
+		reactor->run();
+
+		inCount.receive(finalCount);
+	} while(finalCount < 100);
+
+	mock().expectOneCall("Platform::waitForEvent()");
+	reactor->run();
+
+	reactor->stop();
+
+	mock().checkExpectations();
+}