Merge pull request #2178 from nlohmann/input_adapter_tests
Add input adapter tests
This commit is contained in:
commit
14881cf901
4 changed files with 91 additions and 28 deletions
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@ -247,15 +247,15 @@ struct wide_string_input_helper<BaseInputAdapter, 2>
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}
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else if (wc <= 0x7FF)
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{
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utf8_bytes[0] = static_cast<std::char_traits<char>::int_type>(0xC0u | ((wc >> 6u)));
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utf8_bytes[1] = static_cast<std::char_traits<char>::int_type>(0x80u | (wc & 0x3Fu));
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utf8_bytes[0] = static_cast<std::char_traits<char>::int_type>(0xC0u | ((static_cast<unsigned int>(wc) >> 6u)));
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utf8_bytes[1] = static_cast<std::char_traits<char>::int_type>(0x80u | (static_cast<unsigned int>(wc) & 0x3Fu));
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utf8_bytes_filled = 2;
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}
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else if (0xD800 > wc or wc >= 0xE000)
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{
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utf8_bytes[0] = static_cast<std::char_traits<char>::int_type>(0xE0u | ((wc >> 12u)));
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utf8_bytes[1] = static_cast<std::char_traits<char>::int_type>(0x80u | ((wc >> 6u) & 0x3Fu));
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utf8_bytes[2] = static_cast<std::char_traits<char>::int_type>(0x80u | (wc & 0x3Fu));
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utf8_bytes[0] = static_cast<std::char_traits<char>::int_type>(0xE0u | ((static_cast<unsigned int>(wc) >> 12u)));
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utf8_bytes[1] = static_cast<std::char_traits<char>::int_type>(0x80u | ((static_cast<unsigned int>(wc) >> 6u) & 0x3Fu));
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utf8_bytes[2] = static_cast<std::char_traits<char>::int_type>(0x80u | (static_cast<unsigned int>(wc) & 0x3Fu));
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utf8_bytes_filled = 3;
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}
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else
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@ -263,7 +263,7 @@ struct wide_string_input_helper<BaseInputAdapter, 2>
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if (JSON_HEDLEY_UNLIKELY(not input.empty()))
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{
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const auto wc2 = static_cast<unsigned int>(input.get_character());
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const auto charcode = 0x10000u + (((wc & 0x3FFu) << 10u) | (wc2 & 0x3FFu));
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const auto charcode = 0x10000u + (((static_cast<unsigned int>(wc) & 0x3FFu) << 10u) | (wc2 & 0x3FFu));
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utf8_bytes[0] = static_cast<std::char_traits<char>::int_type>(0xF0u | (charcode >> 18u));
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utf8_bytes[1] = static_cast<std::char_traits<char>::int_type>(0x80u | ((charcode >> 12u) & 0x3Fu));
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utf8_bytes[2] = static_cast<std::char_traits<char>::int_type>(0x80u | ((charcode >> 6u) & 0x3Fu));
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@ -339,15 +339,18 @@ struct iterator_input_adapter_factory
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}
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};
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// This test breaks astyle formatting when inlined in a template specialization.
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template<typename T>
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inline constexpr bool is_iterator_of_multibyte()
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struct is_iterator_of_multibyte
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{
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return sizeof(typename std::iterator_traits<T>::value_type) > 1;
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}
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using value_type = typename std::iterator_traits<T>::value_type;
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enum
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{
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value = sizeof(value_type) > 1
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};
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};
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template<typename IteratorType>
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struct iterator_input_adapter_factory<IteratorType, enable_if_t<is_iterator_of_multibyte<IteratorType>()>>
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struct iterator_input_adapter_factory<IteratorType, enable_if_t<is_iterator_of_multibyte<IteratorType>::value>>
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{
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using iterator_type = IteratorType;
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using char_type = typename std::iterator_traits<iterator_type>::value_type;
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@ -113,7 +113,7 @@ class lexer : public lexer_base<BasicJsonType>
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using token_type = typename lexer_base<BasicJsonType>::token_type;
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explicit lexer(InputAdapterType&& adapter)
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: ia(std::move(adapter)), decimal_point_char(static_cast<char_type>(get_decimal_point())) {}
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: ia(std::move(adapter)), decimal_point_char(static_cast<char_int_type>(get_decimal_point())) {}
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// delete because of pointer members
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lexer(const lexer&) = delete;
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@ -1218,7 +1218,7 @@ scan_number_done:
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token_type scan_literal(const char_type* literal_text, const std::size_t length,
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token_type return_type)
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{
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assert(current == literal_text[0]);
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assert(std::char_traits<char_type>::to_char_type(current) == literal_text[0]);
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for (std::size_t i = 1; i < length; ++i)
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{
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if (JSON_HEDLEY_UNLIKELY(std::char_traits<char_type>::to_char_type(get()) != literal_text[i]))
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@ -1523,7 +1523,7 @@ scan_number_done:
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number_float_t value_float = 0;
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/// the decimal point
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const char_type decimal_point_char = '.';
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const char_int_type decimal_point_char = '.';
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};
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} // namespace detail
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} // namespace nlohmann
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@ -4669,15 +4669,15 @@ struct wide_string_input_helper<BaseInputAdapter, 2>
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}
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else if (wc <= 0x7FF)
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{
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utf8_bytes[0] = static_cast<std::char_traits<char>::int_type>(0xC0u | ((wc >> 6u)));
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utf8_bytes[1] = static_cast<std::char_traits<char>::int_type>(0x80u | (wc & 0x3Fu));
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utf8_bytes[0] = static_cast<std::char_traits<char>::int_type>(0xC0u | ((static_cast<unsigned int>(wc) >> 6u)));
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utf8_bytes[1] = static_cast<std::char_traits<char>::int_type>(0x80u | (static_cast<unsigned int>(wc) & 0x3Fu));
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utf8_bytes_filled = 2;
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}
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else if (0xD800 > wc or wc >= 0xE000)
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{
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utf8_bytes[0] = static_cast<std::char_traits<char>::int_type>(0xE0u | ((wc >> 12u)));
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utf8_bytes[1] = static_cast<std::char_traits<char>::int_type>(0x80u | ((wc >> 6u) & 0x3Fu));
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utf8_bytes[2] = static_cast<std::char_traits<char>::int_type>(0x80u | (wc & 0x3Fu));
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utf8_bytes[0] = static_cast<std::char_traits<char>::int_type>(0xE0u | ((static_cast<unsigned int>(wc) >> 12u)));
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utf8_bytes[1] = static_cast<std::char_traits<char>::int_type>(0x80u | ((static_cast<unsigned int>(wc) >> 6u) & 0x3Fu));
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utf8_bytes[2] = static_cast<std::char_traits<char>::int_type>(0x80u | (static_cast<unsigned int>(wc) & 0x3Fu));
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utf8_bytes_filled = 3;
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}
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else
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@ -4685,7 +4685,7 @@ struct wide_string_input_helper<BaseInputAdapter, 2>
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if (JSON_HEDLEY_UNLIKELY(not input.empty()))
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{
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const auto wc2 = static_cast<unsigned int>(input.get_character());
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const auto charcode = 0x10000u + (((wc & 0x3FFu) << 10u) | (wc2 & 0x3FFu));
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const auto charcode = 0x10000u + (((static_cast<unsigned int>(wc) & 0x3FFu) << 10u) | (wc2 & 0x3FFu));
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utf8_bytes[0] = static_cast<std::char_traits<char>::int_type>(0xF0u | (charcode >> 18u));
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utf8_bytes[1] = static_cast<std::char_traits<char>::int_type>(0x80u | ((charcode >> 12u) & 0x3Fu));
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utf8_bytes[2] = static_cast<std::char_traits<char>::int_type>(0x80u | ((charcode >> 6u) & 0x3Fu));
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@ -4761,15 +4761,18 @@ struct iterator_input_adapter_factory
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}
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};
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// This test breaks astyle formatting when inlined in a template specialization.
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template<typename T>
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inline constexpr bool is_iterator_of_multibyte()
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struct is_iterator_of_multibyte
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{
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return sizeof(typename std::iterator_traits<T>::value_type) > 1;
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}
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using value_type = typename std::iterator_traits<T>::value_type;
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enum
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{
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value = sizeof(value_type) > 1
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};
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};
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template<typename IteratorType>
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struct iterator_input_adapter_factory<IteratorType, enable_if_t<is_iterator_of_multibyte<IteratorType>()>>
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struct iterator_input_adapter_factory<IteratorType, enable_if_t<is_iterator_of_multibyte<IteratorType>::value>>
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{
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using iterator_type = IteratorType;
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using char_type = typename std::iterator_traits<iterator_type>::value_type;
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@ -8177,7 +8180,7 @@ class lexer : public lexer_base<BasicJsonType>
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using token_type = typename lexer_base<BasicJsonType>::token_type;
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explicit lexer(InputAdapterType&& adapter)
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: ia(std::move(adapter)), decimal_point_char(static_cast<char_type>(get_decimal_point())) {}
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: ia(std::move(adapter)), decimal_point_char(static_cast<char_int_type>(get_decimal_point())) {}
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// delete because of pointer members
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lexer(const lexer&) = delete;
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@ -9282,7 +9285,7 @@ scan_number_done:
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token_type scan_literal(const char_type* literal_text, const std::size_t length,
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token_type return_type)
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{
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assert(current == literal_text[0]);
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assert(std::char_traits<char_type>::to_char_type(current) == literal_text[0]);
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for (std::size_t i = 1; i < length; ++i)
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{
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if (JSON_HEDLEY_UNLIKELY(std::char_traits<char_type>::to_char_type(get()) != literal_text[i]))
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@ -9587,7 +9590,7 @@ scan_number_done:
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number_float_t value_float = 0;
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/// the decimal point
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const char_type decimal_point_char = '.';
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const char_int_type decimal_point_char = '.';
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};
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} // namespace detail
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} // namespace nlohmann
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@ -1039,3 +1039,60 @@ TEST_CASE("deserialization")
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}));
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}
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}
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TEST_CASE_TEMPLATE("deserialization of different character types (ASCII)", T,
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char, unsigned char, signed char,
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wchar_t,
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char16_t, char32_t,
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std::uint8_t, std::int8_t,
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std::int16_t, std::uint16_t,
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std::int32_t, std::uint32_t)
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{
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std::vector<T> v = {'t', 'r', 'u', 'e'};
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CHECK(json::parse(v) == json(true));
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CHECK(json::accept(v));
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SaxEventLogger l;
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CHECK(json::sax_parse(v, &l));
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CHECK(l.events.size() == 1);
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CHECK(l.events == std::vector<std::string>({"boolean(true)"}));
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}
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TEST_CASE_TEMPLATE("deserialization of different character types (UTF-8)", T,
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char, unsigned char, std::uint8_t)
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{
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// a star emoji
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std::vector<T> v = {'"', static_cast<T>(0xe2), static_cast<T>(0xad), static_cast<T>(0x90), static_cast<T>(0xef), static_cast<T>(0xb8), static_cast<T>(0x8f), '"'};
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CHECK(json::parse(v).dump(-1, ' ', true) == "\"\\u2b50\\ufe0f\"");
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CHECK(json::accept(v));
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SaxEventLogger l;
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CHECK(json::sax_parse(v, &l));
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CHECK(l.events.size() == 1);
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}
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TEST_CASE_TEMPLATE("deserialization of different character types (UTF-16)", T,
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char16_t, std::uint16_t)
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{
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// a star emoji
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std::vector<T> v = {static_cast<T>('"'), static_cast<T>(0x2b50), static_cast<T>(0xfe0f), static_cast<T>('"')};
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CHECK(json::parse(v).dump(-1, ' ', true) == "\"\\u2b50\\ufe0f\"");
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CHECK(json::accept(v));
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SaxEventLogger l;
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CHECK(json::sax_parse(v, &l));
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CHECK(l.events.size() == 1);
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}
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TEST_CASE_TEMPLATE("deserialization of different character types (UTF-32)", T,
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char32_t, std::uint32_t)
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{
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// a star emoji
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std::vector<T> v = {static_cast<T>('"'), static_cast<T>(0x2b50), static_cast<T>(0xfe0f), static_cast<T>('"')};
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CHECK(json::parse(v).dump(-1, ' ', true) == "\"\\u2b50\\ufe0f\"");
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CHECK(json::accept(v));
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SaxEventLogger l;
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CHECK(json::sax_parse(v, &l));
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CHECK(l.events.size() == 1);
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}
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