dolphin/Source/UnitTests/Common/CommonFuncsTest.cpp

// 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(4u, ArraySize(test));
	EXPECT_EQ(42u, 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(0x12345678u, Common::swap32(0x78563412));
	EXPECT_EQ(0x123456789abcdef0ull, Common::swap64(0xf0debc9a78563412ull));
}