mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-11-15 13:57:57 -07:00
85 lines
2.1 KiB
C++
85 lines
2.1 KiB
C++
// Copyright 2014 Dolphin Emulator Project
|
|
// Licensed under GPLv2
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <gtest/gtest.h>
|
|
|
|
#include "Common/BitSet.h"
|
|
|
|
TEST(BitSet, Basics)
|
|
{
|
|
BitSet32 bs;
|
|
BitSet64 bs2(1);
|
|
BitSet64 bs3(2);
|
|
EXPECT_EQ(true, !!bs2);
|
|
EXPECT_EQ(false, !!bs);
|
|
EXPECT_EQ(bs2, bs2);
|
|
EXPECT_NE(bs2, bs3);
|
|
EXPECT_EQ(BitSet32(0xfff), BitSet32::AllTrue(12));
|
|
EXPECT_EQ(BitSet64(0xffffffffffffffff), BitSet64::AllTrue(64));
|
|
}
|
|
|
|
TEST(BitSet, BitGetSet)
|
|
{
|
|
BitSet32 bs;
|
|
bs[3] = bs[8] = bs[11] = true;
|
|
EXPECT_EQ(true, bs[3]);
|
|
EXPECT_EQ(false, bs[4]);
|
|
EXPECT_EQ((u32)((1 << 3) | (1 << 8) | (1 << 11)), bs.m_val);
|
|
}
|
|
|
|
TEST(BitSet, Count)
|
|
{
|
|
u32 random_numbers[] = {
|
|
0x2cb0b5f3, 0x81ab32a6, 0xd9030dc5, 0x325ffe26, 0xb2fcaee3,
|
|
0x4ccf188a, 0xf8be36dc, 0xb2fcecd5, 0xb750c2e5, 0x31d19074,
|
|
0xf267644a, 0xac00a719, 0x6d45f19b, 0xf7e91c5b, 0xf687e694,
|
|
0x9057c24e, 0x5eb65c39, 0x85d3038b, 0x101f4e66, 0xc202d136
|
|
};
|
|
u32 counts[] = {
|
|
17, 14, 14, 19, 20, 14, 20, 20, 16, 13, 16, 12, 18, 20, 18, 14, 18, 14, 14, 12
|
|
};
|
|
for (size_t i = 0; i < 20; i++)
|
|
{
|
|
EXPECT_EQ(counts[i], BitSet32(random_numbers[i]).Count());
|
|
}
|
|
|
|
u64 random_numbers_64[] = {
|
|
0xf86cd6f6ef09d7d4ULL, 0x6f2d8533255ead3cULL, 0x9da7941e0e52b345ULL,
|
|
0x06e4189be67d2b17ULL, 0x3eb0681f65cb6d25ULL, 0xccab8a7c74a51203ULL,
|
|
0x09d470516694c64bULL, 0x38cd077e075c778fULL, 0xd69ebfa6355ebfdeULL
|
|
};
|
|
u32 counts_64[] = {
|
|
39, 34, 31, 32, 33, 29, 27, 35, 43
|
|
};
|
|
for (size_t i = 0; i < 9; i++)
|
|
{
|
|
EXPECT_EQ(counts_64[i], BitSet64(random_numbers_64[i]).Count());
|
|
}
|
|
}
|
|
|
|
TEST(BitSet, BitOps)
|
|
{
|
|
BitSet32 a(3), b(5), c;
|
|
EXPECT_EQ(BitSet32(7), a | b);
|
|
EXPECT_EQ(BitSet32(6), a ^ b);
|
|
EXPECT_EQ(BitSet32(1), a & b);
|
|
EXPECT_EQ(BitSet32(0xfffffffc), ~a);
|
|
c = a; c |= b; EXPECT_EQ(BitSet32(7), c);
|
|
c = a; c ^= b; EXPECT_EQ(BitSet32(6), c);
|
|
c = a; c &= b; EXPECT_EQ(BitSet32(1), c);
|
|
}
|
|
|
|
TEST(BitSet, InitializerListsAndIteration)
|
|
{
|
|
std::vector<int> bits { 1, 10, 15, 17, 20, 30 };
|
|
BitSet32 bs { 1, 10, 15, 17, 20, 30 };
|
|
auto vit = bits.begin();
|
|
for (auto i : bs)
|
|
{
|
|
EXPECT_NE(vit, bits.end());
|
|
EXPECT_EQ(i, *vit++);
|
|
}
|
|
EXPECT_EQ(vit, bits.end());
|
|
}
|