ShuriZma
/
xenia
mirror of https://github.com/xenia-project/xenia.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[Base] Add easier to debug `copy_and_swap` tests

This commit is contained in:
Joel Linn 2022-01-22 14:17:29 +01:00 committed by Triang3l
parent 617b17e25b
commit bfaad055a2
1 changed files with 47 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
src/xenia/base/testing/memory_test.cc
View File

@ -2,7 +2,7 @@
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2021 Ben Vanik. All rights reserved. *
* Copyright 2022 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
@ -14,6 +14,8 @@
#include "xenia/base/clock.h"
#include <array>
namespace xe {
namespace base {
namespace test {
@ -113,6 +115,24 @@ TEST_CASE("copy_and_swap_16_unaligned", "[copy_and_swap]") {
REQUIRE(c[2] == 0xAB89);
REQUIRE(c[3] == 0xEFCD);
{
constexpr size_t count = 100;
std::array<uint8_t, count * 2> src{};
std::array<uint8_t, count * 2> dst{};
for (size_t i = 0; i < src.size(); ++i) {
src[i] = static_cast<uint8_t>(i) + 1; // no zero in array
}
copy_and_swap_16_unaligned(dst.data(), src.data(), count);
for (size_t i = 0; i < src.size(); i += 2) {
// Check src is untouched
REQUIRE(static_cast<size_t>(src[i + 0]) == i + 1);
REQUIRE(static_cast<size_t>(src[i + 1]) == i + 2);
// Check swapped bytes
REQUIRE(static_cast<size_t>(dst[i]) == static_cast<size_t>(src[i + 1]));
REQUIRE(static_cast<size_t>(dst[i + 1]) == static_cast<size_t>(src[i]));
}
}
uint64_t e;
copy_and_swap_16_unaligned(&e, d, 4);
REQUIRE(e == 0xEFCDAB8967452301);
@ -221,6 +241,32 @@ TEST_CASE("copy_and_swap_32_unaligned", "[copy_and_swap]") {
REQUIRE(c[2] == 0xEDEE87E8);
REQUIRE(c[3] == 0x994151D8);
{
constexpr size_t count = 17;
std::array<uint8_t, count * 4> src{};
std::array<uint8_t, count * 4> dst{};
for (size_t i = 0; i < src.size(); ++i) {
src[i] = static_cast<uint8_t>(i) + 1; // no zero in array
}
copy_and_swap_32_unaligned(dst.data(), src.data(), count);
for (size_t i = 0; i < src.size(); i += 4) {
// Check src is untouched
REQUIRE(static_cast<size_t>(src[i + 0]) == i + 1);
REQUIRE(static_cast<size_t>(src[i + 1]) == i + 2);
REQUIRE(static_cast<size_t>(src[i + 2]) == i + 3);
REQUIRE(static_cast<size_t>(src[i + 3]) == i + 4);
// Check swapped bytes
REQUIRE(static_cast<size_t>(dst[i + 0]) ==
static_cast<size_t>(src[i + 3]));
REQUIRE(static_cast<size_t>(dst[i + 1]) ==
static_cast<size_t>(src[i + 2]));
REQUIRE(static_cast<size_t>(dst[i + 2]) ==
static_cast<size_t>(src[i + 1]));
REQUIRE(static_cast<size_t>(dst[i + 3]) ==
static_cast<size_t>(src[i + 0]));
}
}
uint64_t e;
copy_and_swap_32_unaligned(&e, d, 2);
REQUIRE(e == 0xEFCDAB8967452301);