Merge pull request #146 from delroth/tests

Add more tests for Common and Core/MMIO

1 files changed, 67 insertions, 0 deletions

diff --git a/Source/UnitTests/Common/FifoQueueTest.cpp b/Source/UnitTests/Common/FifoQueueTest.cpp
new file mode 100644
index 0000000000..60135e699c
--- /dev/null
+++ b/Source/UnitTests/Common/FifoQueueTest.cpp
@@ -0,0 +1,67 @@
+// Copyright 2014 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include <gtest/gtest.h>
+#include <thread>
+
+#include "Common/FifoQueue.h"
+
+TEST(FifoQueue, Simple)
+{
+	Common::FifoQueue<u32> q;
+
+	EXPECT_EQ(0, q.Size());
+	EXPECT_TRUE(q.Empty());
+
+	q.Push(1);
+	EXPECT_EQ(1, q.Size());
+	EXPECT_FALSE(q.Empty());
+
+	u32 v; q.Pop(v);
+	EXPECT_EQ(1, v);
+	EXPECT_EQ(0, q.Size());
+	EXPECT_TRUE(q.Empty());
+
+	// Test the FIFO order.
+	for (u32 i = 0; i < 1000; ++i)
+		q.Push(i);
+	EXPECT_EQ(1000, q.Size());
+	for (u32 i = 0; i < 1000; ++i)
+	{
+		u32 v2; q.Pop(v2);
+		EXPECT_EQ(i, v2);
+	}
+	EXPECT_TRUE(q.Empty());
+
+	for (u32 i = 0; i < 1000; ++i)
+		q.Push(i);
+	EXPECT_FALSE(q.Empty());
+	q.Clear();
+	EXPECT_TRUE(q.Empty());
+}
+
+TEST(FifoQueue, MultiThreaded)
+{
+	Common::FifoQueue<u32> q;
+
+	auto inserter = [&q]() {
+		for (u32 i = 0; i < 100000; ++i)
+			q.Push(i);
+	};
+
+	auto popper = [&q]() {
+		for (u32 i = 0; i < 100000; ++i)
+		{
+			while (q.Empty());
+			u32 v; q.Pop(v);
+			EXPECT_EQ(i, v);
+		}
+	};
+
+	std::thread popper_thread(popper);
+	std::thread inserter_thread(inserter);
+
+	popper_thread.join();
+	inserter_thread.join();
+}