xenia-project/xenia
1
0
Fork 0
mirror of https://github.com/xenia-project/xenia.git synced 2025-12-06 07:12:03 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity
xenia/src/xenia/base/testing/memory_test.cc

475 lines
16 KiB
C++
Raw Blame History

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2015 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include "xenia/base/memory.h"
#include "third_party/catch/include/catch.hpp"
#include "third_party/fmt/include/fmt/format.h"
#include "xenia/base/clock.h"
namespace xe {
namespace base {
namespace test {
TEST_CASE("copy_128_aligned", "Copy and Swap") {
alignas(128) uint8_t src[256], dest[256];
for (uint8_t i = 0; i < 255; ++i) {
src[i] = 255 - i;
}
std::memset(dest, 0, sizeof(dest));
copy_128_aligned(dest, src, 1);
REQUIRE(std::memcmp(dest, src, 128));
REQUIRE(dest[128] == 0);
std::memset(dest, 0, sizeof(dest));
copy_128_aligned(dest, src, 2);
REQUIRE(std::memcmp(dest, src, 256));
std::memset(dest, 0, sizeof(dest));
copy_128_aligned(dest, src + 1, 1);
REQUIRE(std::memcmp(dest, src + 1, 128));
}
TEST_CASE("copy_and_swap_16_aligned", "Copy and Swap") {
alignas(16) uint16_t a = 0x1111, b = 0xABCD;
copy_and_swap_16_aligned(&a, &b, 1);
REQUIRE(a == 0xCDAB);
REQUIRE(b == 0xABCD);
alignas(16) uint16_t c[] = {0x0000, 0x0000, 0x0000, 0x0000};
alignas(16) uint16_t d[] = {0x0123, 0x4567, 0x89AB, 0xCDEF};
copy_and_swap_16_aligned(c, d, 1);
REQUIRE(c[0] == 0x2301);
REQUIRE(c[1] == 0x0000);
REQUIRE(c[2] == 0x0000);
REQUIRE(c[3] == 0x0000);
copy_and_swap_16_aligned(c, d, 3);
REQUIRE(c[0] == 0x2301);
REQUIRE(c[1] == 0x6745);
REQUIRE(c[2] == 0xAB89);
REQUIRE(c[3] == 0x0000);
copy_and_swap_16_aligned(c, d, 4);
REQUIRE(c[0] == 0x2301);
REQUIRE(c[1] == 0x6745);
REQUIRE(c[2] == 0xAB89);
REQUIRE(c[3] == 0xEFCD);
alignas(16) uint64_t e;
copy_and_swap_16_aligned(&e, d, 4);
REQUIRE(e == 0xEFCDAB8967452301);
alignas(16) char f[85] = {0x00};
alignas(16) char g[] =
"This is a 85 byte long string... "
"It's supposed to be longer than standard alignment.";
copy_and_swap_16_aligned(f, g, 42);
REQUIRE(std::strcmp(f,
"hTsii s a58b ty eolgns rtni.g..I 't susppsodet oebl "
"noeg rhtnas atdnra dlagimnne.t") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_16_aligned(f, g + 16, 34);
REQUIRE(std::strcmp(f,
" eolgns rtni.g..I 't susppsodet oebl "
"noeg rhtnas atdnra dlagimnne.t") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_16_aligned(f, g + 32, 26);
REQUIRE(std::strcmp(f,
"I 't susppsodet oebl "
"noeg rhtnas atdnra dlagimnne.t") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_16_aligned(f, g + 64, 10);
REQUIRE(std::strcmp(f, "s atdnra dlagimnne.t") == 0);
}
TEST_CASE("copy_and_swap_16_unaligned", "Copy and Swap") {
uint16_t a = 0x1111, b = 0xABCD;
copy_and_swap_16_unaligned(&a, &b, 1);
REQUIRE(a == 0xCDAB);
REQUIRE(b == 0xABCD);
uint16_t c[] = {0x0000, 0x0000, 0x0000, 0x0000};
uint16_t d[] = {0x0123, 0x4567, 0x89AB, 0xCDEF};
copy_and_swap_16_unaligned(c, d, 1);
REQUIRE(c[0] == 0x2301);
REQUIRE(c[1] == 0x0000);
REQUIRE(c[2] == 0x0000);
REQUIRE(c[3] == 0x0000);
copy_and_swap_16_unaligned(c, d, 4);
REQUIRE(c[0] == 0x2301);
REQUIRE(c[1] == 0x6745);
REQUIRE(c[2] == 0xAB89);
REQUIRE(c[3] == 0xEFCD);
uint64_t e;
copy_and_swap_16_unaligned(&e, d, 4);
REQUIRE(e == 0xEFCDAB8967452301);
char f[85] = {0x00};
char g[] =
"This is a 85 byte long string... "
"It's supposed to be longer than standard alignment.";
copy_and_swap_16_unaligned(f, g, 42);
REQUIRE(std::strcmp(f,
"hTsii s a58b ty eolgns rtni.g..I 't susppsodet oebl "
"noeg rhtnas atdnra dlagimnne.t") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_16_unaligned(f, g + 1, 41);
REQUIRE(std::strcmp(f,
"ih ssia 8 5ybetl no gtsirgn.. .tIs's puopes dotb "
"eolgnret ah ntsnaaddra ilngemtn") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_16_unaligned(f, g + 2, 41);
REQUIRE(std::strcmp(f,
"sii s a58b ty eolgns rtni.g..I 't susppsodet oebl "
"noeg rhtnas atdnra dlagimnne.t") == 0);
}
TEST_CASE("copy_and_swap_32_aligned", "Copy and Swap") {
alignas(32) uint32_t a = 0x11111111, b = 0x89ABCDEF;
copy_and_swap_32_aligned(&a, &b, 1);
REQUIRE(a == 0xEFCDAB89);
REQUIRE(b == 0x89ABCDEF);
alignas(32) uint32_t c[] = {0x00000000, 0x00000000, 0x00000000, 0x00000000};
alignas(32) uint32_t d[] = {0x01234567, 0x89ABCDEF, 0xE887EEED, 0xD8514199};
copy_and_swap_32_aligned(c, d, 1);
REQUIRE(c[0] == 0x67452301);
REQUIRE(c[1] == 0x00000000);
REQUIRE(c[2] == 0x00000000);
REQUIRE(c[3] == 0x00000000);
copy_and_swap_32_aligned(c, d, 3);
REQUIRE(c[0] == 0x67452301);
REQUIRE(c[1] == 0xEFCDAB89);
REQUIRE(c[2] == 0xEDEE87E8);
REQUIRE(c[3] == 0x00000000);
copy_and_swap_32_aligned(c, d, 4);
REQUIRE(c[0] == 0x67452301);
REQUIRE(c[1] == 0xEFCDAB89);
REQUIRE(c[2] == 0xEDEE87E8);
REQUIRE(c[3] == 0x994151D8);
alignas(32) uint64_t e;
copy_and_swap_32_aligned(&e, d, 2);
REQUIRE(e == 0xEFCDAB8967452301);
alignas(32) char f[85] = {0x00};
alignas(32) char g[] =
"This is a 85 byte long string... "
"It's supposed to be longer than standard alignment.";
copy_and_swap_32_aligned(f, g, 21);
REQUIRE(std::strcmp(f,
"sihT si 58 atyb ol es gnnirt...g'tI us ssoppt deeb "
"onol regnahtats radnla dmngi.tne") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_32_aligned(f, g + 16, 17);
REQUIRE(std::strcmp(f,
"ol es gnnirt...g'tI us ssoppt deeb "
"onol regnahtats radnla dmngi.tne") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_32_aligned(f, g + 32, 13);
REQUIRE(std::strcmp(f,
"'tI us ssoppt deeb "
"onol regnahtats radnla dmngi.tne") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_32_aligned(f, g + 64, 5);
REQUIRE(std::strcmp(f, "ats radnla dmngi.tne") == 0);
}
TEST_CASE("copy_and_swap_32_unaligned", "Copy and Swap") {
uint32_t a = 0x11111111, b = 0x89ABCDEF;
copy_and_swap_32_unaligned(&a, &b, 1);
REQUIRE(a == 0xEFCDAB89);
REQUIRE(b == 0x89ABCDEF);
uint32_t c[] = {0x00000000, 0x00000000, 0x00000000, 0x00000000};
uint32_t d[] = {0x01234567, 0x89ABCDEF, 0xE887EEED, 0xD8514199};
copy_and_swap_32_unaligned(c, d, 1);
REQUIRE(c[0] == 0x67452301);
REQUIRE(c[1] == 0x00000000);
REQUIRE(c[2] == 0x00000000);
REQUIRE(c[3] == 0x00000000);
copy_and_swap_32_unaligned(c, d, 3);
REQUIRE(c[0] == 0x67452301);
REQUIRE(c[1] == 0xEFCDAB89);
REQUIRE(c[2] == 0xEDEE87E8);
REQUIRE(c[3] == 0x00000000);
copy_and_swap_32_unaligned(c, d, 4);
REQUIRE(c[0] == 0x67452301);
REQUIRE(c[1] == 0xEFCDAB89);
REQUIRE(c[2] == 0xEDEE87E8);
REQUIRE(c[3] == 0x994151D8);
uint64_t e;
copy_and_swap_32_unaligned(&e, d, 2);
REQUIRE(e == 0xEFCDAB8967452301);
char f[85] = {0x00};
char g[] =
"This is a 85 byte long string... "
"It's supposed to be longer than standard alignment.";
copy_and_swap_32_unaligned(f, g, 21);
REQUIRE(std::strcmp(f,
"sihT si 58 atyb ol es gnnirt...g'tI us ssoppt deeb "
"onol regnahtats radnla dmngi.tne") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_32_unaligned(f, g + 1, 20);
REQUIRE(std::strcmp(f,
" siha si 58 etybnol ts ggnir ...s'tIpus esopot d eb "
"gnolt re nahnatsdradila emng") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_32_unaligned(f, g + 2, 20);
REQUIRE(std::strcmp(f,
"i si a sb 58 etygnolrts .gniI .. s'tppusdeso ot l "
"ebegnoht rs nadnat dragilanemn") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_32_unaligned(f, g + 3, 20);
REQUIRE(std::strcmp(f,
"si s8 a yb 5l et gnoirts..gntI .s s'oppu desb otol "
"eregnaht ts nadnaa drngiltnem") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_32_unaligned(f, g + 4, 20);
REQUIRE(std::strcmp(f,
" si 58 atyb ol es gnnirt...g'tI us ssoppt deeb onol "
"regnahtats radnla dmngi.tne") == 0);
}
TEST_CASE("copy_and_swap_64_aligned", "Copy and Swap") {
alignas(64) uint64_t a = 0x1111111111111111, b = 0x0123456789ABCDEF;
copy_and_swap_64_aligned(&a, &b, 1);
REQUIRE(a == 0xEFCDAB8967452301);
REQUIRE(b == 0x0123456789ABCDEF);
alignas(64) uint64_t c[] = {0x0000000000000000, 0x0000000000000000,
0x0000000000000000, 0x0000000000000000};
alignas(64) uint64_t d[] = {0x0123456789ABCDEF, 0xE887EEEDD8514199,
0x21D4745A1D4A7706, 0xA4174FED675766E3};
copy_and_swap_64_aligned(c, d, 1);
REQUIRE(c[0] == 0xEFCDAB8967452301);
REQUIRE(c[1] == 0x0000000000000000);
REQUIRE(c[2] == 0x0000000000000000);
REQUIRE(c[3] == 0x0000000000000000);
copy_and_swap_64_aligned(c, d, 3);
REQUIRE(c[0] == 0xEFCDAB8967452301);
REQUIRE(c[1] == 0x994151D8EDEE87E8);
REQUIRE(c[2] == 0x06774A1D5A74D421);
REQUIRE(c[3] == 0x0000000000000000);
copy_and_swap_64_aligned(c, d, 4);
REQUIRE(c[0] == 0xEFCDAB8967452301);
REQUIRE(c[1] == 0x994151D8EDEE87E8);
REQUIRE(c[2] == 0x06774A1D5A74D421);
REQUIRE(c[3] == 0xE3665767ED4F17A4);
alignas(64) uint64_t e;
copy_and_swap_64_aligned(&e, d, 1);
REQUIRE(e == 0xEFCDAB8967452301);
alignas(64) char f[85] = {0x00};
alignas(64) char g[] =
"This is a 85 byte long string... "
"It's supposed to be longer than standard alignment.";
copy_and_swap_64_aligned(f, g, 10);
REQUIRE(std::strcmp(f,
" si sihTtyb 58 as gnol e...gnirtus s'tI t desoppnol eb "
"onaht regradnats mngila d") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_64_aligned(f, g + 16, 8);
REQUIRE(std::strcmp(f,
"s gnol e...gnirtus s'tI t desoppnol eb "
"onaht regradnats mngila d") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_64_aligned(f, g + 32, 6);
REQUIRE(std::strcmp(f,
"us s'tI t desoppnol eb "
"onaht regradnats mngila d") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_64_aligned(f, g + 64, 2);
REQUIRE(std::strcmp(f, "radnats mngila d") == 0);
}
TEST_CASE("copy_and_swap_64_unaligned", "Copy and Swap") {
uint64_t a = 0x1111111111111111, b = 0x0123456789ABCDEF;
copy_and_swap_64_unaligned(&a, &b, 1);
REQUIRE(a == 0xEFCDAB8967452301);
REQUIRE(b == 0x0123456789ABCDEF);
uint64_t c[] = {0x0000000000000000, 0x0000000000000000, 0x0000000000000000,
0x0000000000000000};
uint64_t d[] = {0x0123456789ABCDEF, 0xE887EEEDD8514199, 0x21D4745A1D4A7706,
0xA4174FED675766E3};
copy_and_swap_64_unaligned(c, d, 1);
REQUIRE(c[0] == 0xEFCDAB8967452301);
REQUIRE(c[1] == 0x0000000000000000);
REQUIRE(c[2] == 0x0000000000000000);
REQUIRE(c[3] == 0x0000000000000000);
copy_and_swap_64_unaligned(c, d, 3);
REQUIRE(c[0] == 0xEFCDAB8967452301);
REQUIRE(c[1] == 0x994151D8EDEE87E8);
REQUIRE(c[2] == 0x06774A1D5A74D421);
REQUIRE(c[3] == 0x0000000000000000);
copy_and_swap_64_unaligned(c, d, 4);
REQUIRE(c[0] == 0xEFCDAB8967452301);
REQUIRE(c[1] == 0x994151D8EDEE87E8);
REQUIRE(c[2] == 0x06774A1D5A74D421);
REQUIRE(c[3] == 0xE3665767ED4F17A4);
uint64_t e;
copy_and_swap_64_unaligned(&e, d, 1);
REQUIRE(e == 0xEFCDAB8967452301);
char f[85] = {0x00};
char g[] =
"This is a 85 byte long string... "
"It's supposed to be longer than standard alignment.";
copy_and_swap_64_unaligned(f, g, 10);
REQUIRE(std::strcmp(f,
" si sihTtyb 58 as gnol e...gnirtus s'tI t desoppnol eb "
"onaht regradnats mngila d") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_64_unaligned(f, g + 1, 10);
REQUIRE(std::strcmp(f,
"a si sihetyb 58 ts gnol ...gnirpus s'tIot desopgnol "
"eb naht redradnatsemngila ") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_64_unaligned(f, g + 2, 10);
REQUIRE(std::strcmp(f,
" a si si etyb 58rts gnolI ...gnippus s't ot desoegnol "
"ebs naht r dradnatnemngila") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_64_unaligned(f, g + 3, 10);
REQUIRE(std::strcmp(f,
"8 a si sl etyb 5irts gnotI ...gnoppus s'b ot desregnol "
"ets naht a dradnatnemngil") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_64_unaligned(f, g + 4, 10);
REQUIRE(std::strcmp(f,
"58 a si ol etyb nirts gn'tI ...gsoppus seb ot de "
"regnol ats nahtla dradn.tnemngi") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_64_unaligned(f, g + 5, 9);
REQUIRE(std::strcmp(f,
" 58 a sinol etybgnirts gs'tI ...esoppus eb ot dt "
"regnolnats nahila drad") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_64_unaligned(f, g + 6, 9);
REQUIRE(std::strcmp(f,
"b 58 a sgnol ety.gnirts s'tI ..desoppusl eb ot ht "
"regnodnats nagila dra") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_64_unaligned(f, g + 7, 9);
REQUIRE(std::strcmp(f,
"yb 58 a gnol et..gnirtss s'tI . desoppuol eb otaht "
"regnadnats nngila dr") == 0);
std::memset(f, 0, sizeof(f));
copy_and_swap_64_unaligned(f, g + 8, 9);
REQUIRE(std::strcmp(f,
"tyb 58 as gnol e...gnirtus s'tI t desoppnol eb onaht "
"regradnats mngila d") == 0);
}
TEST_CASE("copy_and_swap_16_in_32_aligned", "Copy and Swap") {
// TODO(bwrsandman): test once properly understood.
REQUIRE(true == true);
}
TEST_CASE("copy_and_swap_16_in_32_unaligned", "Copy and Swap") {
// TODO(bwrsandman): test once properly understood.
REQUIRE(true == true);
}
TEST_CASE("create_and_close_file_mapping", "Virtual Memory Mapping") {
auto path = fmt::format("xenia_test_{}", Clock::QueryHostTickCount());
auto memory = xe::memory::CreateFileMappingHandle(
path, 0x100, xe::memory::PageAccess::kReadWrite, true);
REQUIRE(memory != xe::memory::kFileMappingHandleInvalid);
xe::memory::CloseFileMappingHandle(memory, path);
}
TEST_CASE("map_view", "Virtual Memory Mapping") {
auto path = fmt::format("xenia_test_{}", Clock::QueryHostTickCount());
const size_t length = 0x100;
auto memory = xe::memory::CreateFileMappingHandle(
path, length, xe::memory::PageAccess::kReadWrite, true);
REQUIRE(memory != xe::memory::kFileMappingHandleInvalid);
uintptr_t address = 0x100000000;
auto view =
xe::memory::MapFileView(memory, reinterpret_cast<void*>(address), length,
xe::memory::PageAccess::kReadWrite, 0);
REQUIRE(reinterpret_cast<uintptr_t>(view) == address);
xe::memory::UnmapFileView(memory, reinterpret_cast<void*>(address), length);
xe::memory::CloseFileMappingHandle(memory, path);
}
TEST_CASE("read_write_view", "Virtual Memory Mapping") {
const size_t length = 0x100;
auto path = fmt::format("xenia_test_{}", Clock::QueryHostTickCount());
auto memory = xe::memory::CreateFileMappingHandle(
path, length, xe::memory::PageAccess::kReadWrite, true);
REQUIRE(memory != xe::memory::kFileMappingHandleInvalid);
uintptr_t address = 0x100000000;
auto view =
xe::memory::MapFileView(memory, reinterpret_cast<void*>(address), length,
xe::memory::PageAccess::kReadWrite, 0);
REQUIRE(reinterpret_cast<uintptr_t>(view) == address);
for (uint32_t i = 0; i < length; i += sizeof(uint8_t)) {
auto p_value = reinterpret_cast<uint8_t*>(address + i);
*p_value = i;
}
for (uint32_t i = 0; i < length; i += sizeof(uint8_t)) {
auto p_value = reinterpret_cast<uint8_t*>(address + i);
uint8_t value = *p_value;
REQUIRE(value == i);
}
xe::memory::UnmapFileView(memory, reinterpret_cast<void*>(address), length);
xe::memory::CloseFileMappingHandle(memory, path);
}
} // namespace test
} // namespace base
} // namespace xe
Reference in a new issue View git blame Copy permalink