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Disallow constructing sf::String from std::nullptr_t

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This commit is contained in:
Chris Thrasher 2024-06-30 22:26:41 -06:00
parent 705aa7e891
commit 27943ea774
2 changed files with 97 additions and 33 deletions
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8
include/SFML/System/String.hpp
View File

@ -110,6 +110,14 @@ public:
////////////////////////////////////////////////////////////
String() = default;
////////////////////////////////////////////////////////////
/// \brief Deleted nullptr constructor
///
/// Disallow construction from nullptr literal
///
////////////////////////////////////////////////////////////
String(std::nullptr_t, const std::locale& = {}) = delete;
////////////////////////////////////////////////////////////
/// \brief Construct from a single ANSI character and a locale
///

122
test/System/String.test.cpp
View File

@ -200,6 +200,8 @@ TEST_CASE("[System] sf::String")
SECTION("Type traits")
{
STATIC_CHECK(!std::is_constructible_v<sf::String, std::nullptr_t>);
STATIC_CHECK(!std::is_constructible_v<sf::String, std::nullptr_t, const std::locale&>);
STATIC_CHECK(std::is_copy_constructible_v<sf::String>);
STATIC_CHECK(std::is_copy_assignable_v<sf::String>);
STATIC_CHECK(std::is_nothrow_move_constructible_v<sf::String>);
@ -240,17 +242,35 @@ TEST_CASE("[System] sf::String")
SECTION("ANSI C string constructor")
{
const sf::String string = "def";
CHECK(std::string(string) == "def"s);
CHECK(std::wstring(string) == L"def"s);
CHECK(string.toAnsiString() == "def"s);
CHECK(string.toWideString() == L"def"s);
CHECK(string.toUtf8() == sf::U8String{'d', 'e', 'f'});
CHECK(string.toUtf16() == u"def"s);
CHECK(string.toUtf32() == U"def"s);
CHECK(string.getSize() == 3);
CHECK(!string.isEmpty());
CHECK(string.getData() != nullptr);
SECTION("Nullptr")
{
const sf::String string = static_cast<char*>(nullptr);
CHECK(std::string(string).empty());
CHECK(std::wstring(string).empty());
CHECK(string.toAnsiString().empty());
CHECK(string.toWideString().empty());
CHECK(string.toUtf8().empty());
CHECK(string.toUtf16().empty());
CHECK(string.toUtf32().empty());
CHECK(string.getSize() == 0);
CHECK(string.isEmpty());
CHECK(string.getData() != nullptr);
}
SECTION("Non-empty string")
{
const sf::String string = "def";
CHECK(std::string(string) == "def"s);
CHECK(std::wstring(string) == L"def"s);
CHECK(string.toAnsiString() == "def"s);
CHECK(string.toWideString() == L"def"s);
CHECK(string.toUtf8() == sf::U8String{'d', 'e', 'f'});
CHECK(string.toUtf16() == u"def"s);
CHECK(string.toUtf32() == U"def"s);
CHECK(string.getSize() == 3);
CHECK(!string.isEmpty());
CHECK(string.getData() != nullptr);
}
}
SECTION("ANSI string constructor")
@ -285,17 +305,35 @@ TEST_CASE("[System] sf::String")
SECTION("Wide C string constructor")
{
const sf::String string = L"j\xFAl";
CHECK(std::string(string) == select("j\xFAl"s, "j\0l"s));
CHECK(std::wstring(string) == L"j\xFAl"s);
CHECK(string.toAnsiString() == select("j\xFAl"s, "j\0l"s));
CHECK(string.toWideString() == L"j\xFAl"s);
CHECK(string.toUtf8() == sf::U8String{'j', 0xC3, 0xBA, 'l'});
CHECK(string.toUtf16() == u"j\xFAl"s);
CHECK(string.toUtf32() == U"j\xFAl"s);
CHECK(string.getSize() == 3);
CHECK(!string.isEmpty());
CHECK(string.getData() != nullptr);
SECTION("Nullptr")
{
const sf::String string = static_cast<wchar_t*>(nullptr);
CHECK(std::string(string).empty());
CHECK(std::wstring(string).empty());
CHECK(string.toAnsiString().empty());
CHECK(string.toWideString().empty());
CHECK(string.toUtf8().empty());
CHECK(string.toUtf16().empty());
CHECK(string.toUtf32().empty());
CHECK(string.getSize() == 0);
CHECK(string.isEmpty());
CHECK(string.getData() != nullptr);
}
SECTION("Non-empty string")
{
const sf::String string = L"j\xFAl";
CHECK(std::string(string) == select("j\xFAl"s, "j\0l"s));
CHECK(std::wstring(string) == L"j\xFAl"s);
CHECK(string.toAnsiString() == select("j\xFAl"s, "j\0l"s));
CHECK(string.toWideString() == L"j\xFAl"s);
CHECK(string.toUtf8() == sf::U8String{'j', 0xC3, 0xBA, 'l'});
CHECK(string.toUtf16() == u"j\xFAl"s);
CHECK(string.toUtf32() == U"j\xFAl"s);
CHECK(string.getSize() == 3);
CHECK(!string.isEmpty());
CHECK(string.getData() != nullptr);
}
}
SECTION("Wide string constructor")
@ -330,17 +368,35 @@ TEST_CASE("[System] sf::String")
SECTION("UTF-32 C string constructor")
{
const sf::String string = U"\U0010ABCDrs";
CHECK(std::string(string) == "\0rs"s);
CHECK(std::wstring(string) == select(L"rs"s, L"\U0010ABCDrs"s));
CHECK(string.toAnsiString() == "\0rs"s);
CHECK(string.toWideString() == select(L"rs"s, L"\U0010ABCDrs"s));
CHECK(string.toUtf8() == sf::U8String{0xF4, 0x8A, 0xAF, 0x8D, 'r', 's'});
CHECK(string.toUtf16() == u"\U0010ABCDrs"s);
CHECK(string.toUtf32() == U"\U0010ABCDrs"s);
CHECK(string.getSize() == 3);
CHECK(!string.isEmpty());
CHECK(string.getData() != nullptr);
SECTION("Nullptr")
{
const sf::String string = static_cast<char32_t*>(nullptr);
CHECK(std::string(string).empty());
CHECK(std::wstring(string).empty());
CHECK(string.toAnsiString().empty());
CHECK(string.toWideString().empty());
CHECK(string.toUtf8().empty());
CHECK(string.toUtf16().empty());
CHECK(string.toUtf32().empty());
CHECK(string.getSize() == 0);
CHECK(string.isEmpty());
CHECK(string.getData() != nullptr);
}
SECTION("Non-empty string")
{
const sf::String string = U"\U0010ABCDrs";
CHECK(std::string(string) == "\0rs"s);
CHECK(std::wstring(string) == select(L"rs"s, L"\U0010ABCDrs"s));
CHECK(string.toAnsiString() == "\0rs"s);
CHECK(string.toWideString() == select(L"rs"s, L"\U0010ABCDrs"s));
CHECK(string.toUtf8() == sf::U8String{0xF4, 0x8A, 0xAF, 0x8D, 'r', 's'});
CHECK(string.toUtf16() == u"\U0010ABCDrs"s);
CHECK(string.toUtf32() == U"\U0010ABCDrs"s);
CHECK(string.getSize() == 3);
CHECK(!string.isEmpty());
CHECK(string.getData() != nullptr);
}
}
SECTION("UTF-32 string constructor")