pcsx-redux/third_party/EASTL/test/source/TestStringView.cpp
Nicolas 'Pixel' Noble d63f87a7f4 Adding EASTL.
2022-06-29 19:37:35 -07:00

108 lines
4 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Copyright (c) Electronic Arts Inc. All rights reserved.
/////////////////////////////////////////////////////////////////////////////
#include "EASTLTest.h"
#include <EABase/eabase.h>
#include <EASTL/numeric_limits.h>
#include <EASTL/string_view.h>
// Verify char8_t support is present if the test build requested it.
#if defined(EASTL_EXPECT_CHAR8T_SUPPORT) && !EA_CHAR8_UNIQUE
static_assert(false, "Building with char8_t tests enabled, but EA_CHAR8_UNIQUE evaluates to false.");
#endif
// this mess is required inorder to inject string literal string conversion macros into the unit tests
#define TEST_STRING_NAME TestBasicStringView
#define LITERAL(x) x
#include "TestStringView.inl"
#define TEST_STRING_NAME TestBasicStringViewW
#define LITERAL(x) EA_WCHAR(x)
#include "TestStringView.inl"
#define TEST_STRING_NAME TestBasicStringView8
#define LITERAL(x) EA_CHAR8(x)
#include "TestStringView.inl"
#define TEST_STRING_NAME TestBasicStringView16
#define LITERAL(x) EA_CHAR16(x)
#include "TestStringView.inl"
#define TEST_STRING_NAME TestBasicStringView32
#define LITERAL(x) EA_CHAR32(x)
#include "TestStringView.inl"
int TestStringView()
{
using namespace eastl;
int nErrorCount = 0;
nErrorCount += TestBasicStringView<eastl::basic_string_view<char>>();
nErrorCount += TestBasicStringView<eastl::string_view>();
nErrorCount += TestBasicStringViewW<eastl::basic_string_view<wchar_t>>();
nErrorCount += TestBasicStringViewW<eastl::wstring_view>();
#if EA_CHAR8_UNIQUE
nErrorCount += TestBasicStringView8<eastl::basic_string_view<char8_t>>();
nErrorCount += TestBasicStringView8<eastl::u8string_view>();
#endif
nErrorCount += TestBasicStringView16<eastl::basic_string_view<char16_t>>();
nErrorCount += TestBasicStringView16<eastl::u16string_view>();
#if EA_CHAR32_NATIVE
nErrorCount += TestBasicStringView32<eastl::basic_string_view<char32_t>>();
nErrorCount += TestBasicStringView32<eastl::u32string_view>();
#endif
// constexpr string_view operator "" sv(const char* str, size_t len) noexcept;
// constexpr u8string_view operator "" sv(const char8_t* str, size_t len) noexcept;
// constexpr u16string_view operator "" sv(const char16_t* str, size_t len) noexcept;
// constexpr u32string_view operator "" sv(const char32_t* str, size_t len) noexcept;
// constexpr wstring_view operator "" sv(const wchar_t* str, size_t len) noexcept;
#if EASTL_USER_LITERALS_ENABLED
{
VERIFY("cplusplus"_sv.compare("cplusplus") == 0);
VERIFY(L"cplusplus"_sv.compare(L"cplusplus") == 0);
VERIFY(u"cplusplus"_sv.compare(u"cplusplus") == 0);
VERIFY(U"cplusplus"_sv.compare(U"cplusplus") == 0);
VERIFY(u8"cplusplus"_sv.compare(u8"cplusplus") == 0);
static_assert(eastl::is_same_v<decltype("abcdef"_sv), eastl::string_view>, "string_view literal type mismatch");
static_assert(eastl::is_same_v<decltype(u8"abcdef"_sv), eastl::u8string_view>, "string_view literal type mismatch");
static_assert(eastl::is_same_v<decltype(u"abcdef"_sv), eastl::u16string_view>, "string_view literal type mismatch");
static_assert(eastl::is_same_v<decltype(U"abcdef"_sv), eastl::u32string_view>, "string_view literal type mismatch");
static_assert(eastl::is_same_v<decltype(L"abcdef"_sv), eastl::wstring_view>, "string_view literal type mismatch");
// TODO: Need to resolve this. Not sure why on Clang the user literal 'operator ""sv' can't be found.
// VERIFY("cplusplus"sv.compare("cplusplus") == 0);
// VERIFY(L"cplusplus"sv.compare(L"cplusplus") == 0);
// VERIFY(u"cplusplus"sv.compare(u"cplusplus") == 0);
// VERIFY(U"cplusplus"sv.compare(U"cplusplus") == 0);
// VERIFY(u8"cplusplus"sv.compare(u8"cplusplus") == 0);
}
#endif
// strlen(char_t) compatibility
{
auto* pStr = "Hello, World";
string_view sw(pStr, strlen(pStr));
VERIFY(sw.size() == strlen(pStr));
}
// strlen(wchar_t) compatibility
{
auto* pStr = L"Hello, World";
wstring_view sw(pStr, wcslen(pStr));
VERIFY(sw.size() == wcslen(pStr));
}
return nErrorCount;
}