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