Add more tests for Common and Core/MMIO

Source/UnitTests/Common/CMakeLists.txt

@@ -0,0 +1,4 @@
+add_dolphin_test(CommonFuncsTest CommonFuncsTest.cpp common)
+add_dolphin_test(FifoQueueTest FifoQueueTest.cpp common)
+add_dolphin_test(FixedSizeQueueTest FixedSizeQueueTest.cpp common)
+add_dolphin_test(MathUtilTest MathUtilTest.cpp common)

Source/UnitTests/Common/CommonFuncsTest.cpp

@@ -0,0 +1,46 @@
+// Copyright 2014 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include <gtest/gtest.h>
+
+#include "Common/CommonFuncs.h"
+
+TEST(CommonFuncs, ArraySizeMacro)
+{
+	char test[4];
+	u32 test2[42];
+
+	EXPECT_EQ(4, ArraySize(test));
+	EXPECT_EQ(42, ArraySize(test2));
+}
+
+TEST(CommonFuncs, RoundUpPow2Macro)
+{
+	EXPECT_EQ(4, ROUND_UP_POW2(3));
+	EXPECT_EQ(4, ROUND_UP_POW2(4));
+	EXPECT_EQ(8, ROUND_UP_POW2(6));
+	EXPECT_EQ(0x40000000, ROUND_UP_POW2(0x23456789));
+}
+
+TEST(CommonFuncs, CrashMacro)
+{
+	EXPECT_DEATH({ Crash(); }, "");
+}
+
+TEST(CommonFuncs, MinMax)
+{
+	EXPECT_EQ(4, min(4, 5));
+	EXPECT_EQ(-1, min(-1, 1));
+
+	EXPECT_EQ(5, max(4, 5));
+	EXPECT_EQ(1, max(-1, 1));
+}
+
+TEST(CommonFuncs, Swap)
+{
+	EXPECT_EQ(0xf0, Common::swap8(0xf0));
+	EXPECT_EQ(0x1234, Common::swap16(0x3412));
+	EXPECT_EQ(0x12345678, Common::swap32(0x78563412));
+	EXPECT_EQ(0x123456789abcdef0ull, Common::swap64(0xf0debc9a78563412ull));
+}

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();
+}

Source/UnitTests/Common/FixedSizeQueueTest.cpp

@@ -0,0 +1,33 @@
+// Copyright 2014 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include <gtest/gtest.h>
+
+#include "Common/FixedSizeQueue.h"
+
+TEST(FixedSizeQueue, Simple)
+{
+	FixedSizeQueue<int, 5> q;
+
+	EXPECT_EQ(0, q.size());
+
+	q.push(0);
+	q.push(1);
+	q.push(2);
+	q.push(3);
+	q.push(4);
+	for (int i = 0; i < 1000; ++i)
+	{
+		EXPECT_EQ(i, q.front());
+		EXPECT_EQ(i, q.pop_front());
+		q.push(i + 5);
+	}
+	EXPECT_EQ(1000, q.pop_front());
+	EXPECT_EQ(1001, q.pop_front());
+	EXPECT_EQ(1002, q.pop_front());
+	EXPECT_EQ(1003, q.pop_front());
+	EXPECT_EQ(1004, q.pop_front());
+
+	EXPECT_EQ(0, q.size());
+}

Source/UnitTests/Common/MathUtilTest.cpp

@@ -0,0 +1,56 @@
+// Copyright 2014 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include <cmath>
+#include <gtest/gtest.h>
+
+#include "Common/MathUtil.h"
+
+template <typename T>
+T ClampAndReturn(const T& val, const T& min, const T& max)
+{
+	T ret = val;
+	MathUtil::Clamp(&ret, min, max);
+	return ret;
+}
+
+TEST(MathUtil, Clamp)
+{
+	EXPECT_EQ(1, ClampAndReturn(1, 0, 2));
+	EXPECT_EQ(1.0, ClampAndReturn(1.0, 0.0, 2.0));
+
+	EXPECT_EQ(2, ClampAndReturn(4, 0, 2));
+	EXPECT_EQ(2.0, ClampAndReturn(4.0, 0.0, 2.0));
+
+	EXPECT_EQ(0, ClampAndReturn(-1, 0, 2));
+	EXPECT_EQ(0.0, ClampAndReturn(-1.0, 0.0, 2.0));
+}
+
+TEST(MathUtil, IsNAN)
+{
+	EXPECT_TRUE(MathUtil::IsNAN(nan("")));
+}
+
+TEST(MathUtil, IsQNAN)
+{
+	// TODO
+}
+
+TEST(MathUtil, IsSNAN)
+{
+	// TODO
+}
+
+TEST(MathUtil, Log2)
+{
+	EXPECT_EQ(0, Log2(1));
+	EXPECT_EQ(1, Log2(2));
+	EXPECT_EQ(2, Log2(4));
+	EXPECT_EQ(3, Log2(8));
+	EXPECT_EQ(63, Log2(0x8000000000000000ull));
+
+	// Rounding behavior.
+	EXPECT_EQ(3, Log2(15));
+	EXPECT_EQ(63, Log2(0xFFFFFFFFFFFFFFFFull));
+}