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ES-DE/external/rapidjson/test/unittest/encodingstest.cpp

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Squashed 'external/rapidjson/' content from commit 2e8f5d897 git-subtree-dir: external/rapidjson git-subtree-split: 2e8f5d897d9d461a7273b4b812b0127f321b1dcf
2021-10-06 15:39:12 +00:00
// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#include "unittest.h"
#include "rapidjson/filereadstream.h"
#include "rapidjson/filewritestream.h"
#include "rapidjson/encodedstream.h"
#include "rapidjson/stringbuffer.h"
using namespace rapidjson;
// Verification of encoders/decoders with Hoehrmann's UTF8 decoder
// http://www.unicode.org/Public/UNIDATA/Blocks.txt
static const unsigned kCodepointRanges[] = {
0x0000, 0x007F, // Basic Latin
0x0080, 0x00FF, // Latin-1 Supplement
0x0100, 0x017F, // Latin Extended-A
0x0180, 0x024F, // Latin Extended-B
0x0250, 0x02AF, // IPA Extensions
0x02B0, 0x02FF, // Spacing Modifier Letters
0x0300, 0x036F, // Combining Diacritical Marks
0x0370, 0x03FF, // Greek and Coptic
0x0400, 0x04FF, // Cyrillic
0x0500, 0x052F, // Cyrillic Supplement
0x0530, 0x058F, // Armenian
0x0590, 0x05FF, // Hebrew
0x0600, 0x06FF, // Arabic
0x0700, 0x074F, // Syriac
0x0750, 0x077F, // Arabic Supplement
0x0780, 0x07BF, // Thaana
0x07C0, 0x07FF, // NKo
0x0800, 0x083F, // Samaritan
0x0840, 0x085F, // Mandaic
0x0900, 0x097F, // Devanagari
0x0980, 0x09FF, // Bengali
0x0A00, 0x0A7F, // Gurmukhi
0x0A80, 0x0AFF, // Gujarati
0x0B00, 0x0B7F, // Oriya
0x0B80, 0x0BFF, // Tamil
0x0C00, 0x0C7F, // Telugu
0x0C80, 0x0CFF, // Kannada
0x0D00, 0x0D7F, // Malayalam
0x0D80, 0x0DFF, // Sinhala
0x0E00, 0x0E7F, // Thai
0x0E80, 0x0EFF, // Lao
0x0F00, 0x0FFF, // Tibetan
0x1000, 0x109F, // Myanmar
0x10A0, 0x10FF, // Georgian
0x1100, 0x11FF, // Hangul Jamo
0x1200, 0x137F, // Ethiopic
0x1380, 0x139F, // Ethiopic Supplement
0x13A0, 0x13FF, // Cherokee
0x1400, 0x167F, // Unified Canadian Aboriginal Syllabics
0x1680, 0x169F, // Ogham
0x16A0, 0x16FF, // Runic
0x1700, 0x171F, // Tagalog
0x1720, 0x173F, // Hanunoo
0x1740, 0x175F, // Buhid
0x1760, 0x177F, // Tagbanwa
0x1780, 0x17FF, // Khmer
0x1800, 0x18AF, // Mongolian
0x18B0, 0x18FF, // Unified Canadian Aboriginal Syllabics Extended
0x1900, 0x194F, // Limbu
0x1950, 0x197F, // Tai Le
0x1980, 0x19DF, // New Tai Lue
0x19E0, 0x19FF, // Khmer Symbols
0x1A00, 0x1A1F, // Buginese
0x1A20, 0x1AAF, // Tai Tham
0x1B00, 0x1B7F, // Balinese
0x1B80, 0x1BBF, // Sundanese
0x1BC0, 0x1BFF, // Batak
0x1C00, 0x1C4F, // Lepcha
0x1C50, 0x1C7F, // Ol Chiki
0x1CD0, 0x1CFF, // Vedic Extensions
0x1D00, 0x1D7F, // Phonetic Extensions
0x1D80, 0x1DBF, // Phonetic Extensions Supplement
0x1DC0, 0x1DFF, // Combining Diacritical Marks Supplement
0x1E00, 0x1EFF, // Latin Extended Additional
0x1F00, 0x1FFF, // Greek Extended
0x2000, 0x206F, // General Punctuation
0x2070, 0x209F, // Superscripts and Subscripts
0x20A0, 0x20CF, // Currency Symbols
0x20D0, 0x20FF, // Combining Diacritical Marks for Symbols
0x2100, 0x214F, // Letterlike Symbols
0x2150, 0x218F, // Number Forms
0x2190, 0x21FF, // Arrows
0x2200, 0x22FF, // Mathematical Operators
0x2300, 0x23FF, // Miscellaneous Technical
0x2400, 0x243F, // Control Pictures
0x2440, 0x245F, // Optical Character Recognition
0x2460, 0x24FF, // Enclosed Alphanumerics
0x2500, 0x257F, // Box Drawing
0x2580, 0x259F, // Block Elements
0x25A0, 0x25FF, // Geometric Shapes
0x2600, 0x26FF, // Miscellaneous Symbols
0x2700, 0x27BF, // Dingbats
0x27C0, 0x27EF, // Miscellaneous Mathematical Symbols-A
0x27F0, 0x27FF, // Supplemental Arrows-A
0x2800, 0x28FF, // Braille Patterns
0x2900, 0x297F, // Supplemental Arrows-B
0x2980, 0x29FF, // Miscellaneous Mathematical Symbols-B
0x2A00, 0x2AFF, // Supplemental Mathematical Operators
0x2B00, 0x2BFF, // Miscellaneous Symbols and Arrows
0x2C00, 0x2C5F, // Glagolitic
0x2C60, 0x2C7F, // Latin Extended-C
0x2C80, 0x2CFF, // Coptic
0x2D00, 0x2D2F, // Georgian Supplement
0x2D30, 0x2D7F, // Tifinagh
0x2D80, 0x2DDF, // Ethiopic Extended
0x2DE0, 0x2DFF, // Cyrillic Extended-A
0x2E00, 0x2E7F, // Supplemental Punctuation
0x2E80, 0x2EFF, // CJK Radicals Supplement
0x2F00, 0x2FDF, // Kangxi Radicals
0x2FF0, 0x2FFF, // Ideographic Description Characters
0x3000, 0x303F, // CJK Symbols and Punctuation
0x3040, 0x309F, // Hiragana
0x30A0, 0x30FF, // Katakana
0x3100, 0x312F, // Bopomofo
0x3130, 0x318F, // Hangul Compatibility Jamo
0x3190, 0x319F, // Kanbun
0x31A0, 0x31BF, // Bopomofo Extended
0x31C0, 0x31EF, // CJK Strokes
0x31F0, 0x31FF, // Katakana Phonetic Extensions
0x3200, 0x32FF, // Enclosed CJK Letters and Months
0x3300, 0x33FF, // CJK Compatibility
0x3400, 0x4DBF, // CJK Unified Ideographs Extension A
0x4DC0, 0x4DFF, // Yijing Hexagram Symbols
0x4E00, 0x9FFF, // CJK Unified Ideographs
0xA000, 0xA48F, // Yi Syllables
0xA490, 0xA4CF, // Yi Radicals
0xA4D0, 0xA4FF, // Lisu
0xA500, 0xA63F, // Vai
0xA640, 0xA69F, // Cyrillic Extended-B
0xA6A0, 0xA6FF, // Bamum
0xA700, 0xA71F, // Modifier Tone Letters
0xA720, 0xA7FF, // Latin Extended-D
0xA800, 0xA82F, // Syloti Nagri
0xA830, 0xA83F, // Common Indic Number Forms
0xA840, 0xA87F, // Phags-pa
0xA880, 0xA8DF, // Saurashtra
0xA8E0, 0xA8FF, // Devanagari Extended
0xA900, 0xA92F, // Kayah Li
0xA930, 0xA95F, // Rejang
0xA960, 0xA97F, // Hangul Jamo Extended-A
0xA980, 0xA9DF, // Javanese
0xAA00, 0xAA5F, // Cham
0xAA60, 0xAA7F, // Myanmar Extended-A
0xAA80, 0xAADF, // Tai Viet
0xAB00, 0xAB2F, // Ethiopic Extended-A
0xABC0, 0xABFF, // Meetei Mayek
0xAC00, 0xD7AF, // Hangul Syllables
0xD7B0, 0xD7FF, // Hangul Jamo Extended-B
//0xD800, 0xDB7F, // High Surrogates
//0xDB80, 0xDBFF, // High Private Use Surrogates
//0xDC00, 0xDFFF, // Low Surrogates
0xE000, 0xF8FF, // Private Use Area
0xF900, 0xFAFF, // CJK Compatibility Ideographs
0xFB00, 0xFB4F, // Alphabetic Presentation Forms
0xFB50, 0xFDFF, // Arabic Presentation Forms-A
0xFE00, 0xFE0F, // Variation Selectors
0xFE10, 0xFE1F, // Vertical Forms
0xFE20, 0xFE2F, // Combining Half Marks
0xFE30, 0xFE4F, // CJK Compatibility Forms
0xFE50, 0xFE6F, // Small Form Variants
0xFE70, 0xFEFF, // Arabic Presentation Forms-B
0xFF00, 0xFFEF, // Halfwidth and Fullwidth Forms
0xFFF0, 0xFFFF, // Specials
0x10000, 0x1007F, // Linear B Syllabary
0x10080, 0x100FF, // Linear B Ideograms
0x10100, 0x1013F, // Aegean Numbers
0x10140, 0x1018F, // Ancient Greek Numbers
0x10190, 0x101CF, // Ancient Symbols
0x101D0, 0x101FF, // Phaistos Disc
0x10280, 0x1029F, // Lycian
0x102A0, 0x102DF, // Carian
0x10300, 0x1032F, // Old Italic
0x10330, 0x1034F, // Gothic
0x10380, 0x1039F, // Ugaritic
0x103A0, 0x103DF, // Old Persian
0x10400, 0x1044F, // Deseret
0x10450, 0x1047F, // Shavian
0x10480, 0x104AF, // Osmanya
0x10800, 0x1083F, // Cypriot Syllabary
0x10840, 0x1085F, // Imperial Aramaic
0x10900, 0x1091F, // Phoenician
0x10920, 0x1093F, // Lydian
0x10A00, 0x10A5F, // Kharoshthi
0x10A60, 0x10A7F, // Old South Arabian
0x10B00, 0x10B3F, // Avestan
0x10B40, 0x10B5F, // Inscriptional Parthian
0x10B60, 0x10B7F, // Inscriptional Pahlavi
0x10C00, 0x10C4F, // Old Turkic
0x10E60, 0x10E7F, // Rumi Numeral Symbols
0x11000, 0x1107F, // Brahmi
0x11080, 0x110CF, // Kaithi
0x12000, 0x123FF, // Cuneiform
0x12400, 0x1247F, // Cuneiform Numbers and Punctuation
0x13000, 0x1342F, // Egyptian Hieroglyphs
0x16800, 0x16A3F, // Bamum Supplement
0x1B000, 0x1B0FF, // Kana Supplement
0x1D000, 0x1D0FF, // Byzantine Musical Symbols
0x1D100, 0x1D1FF, // Musical Symbols
0x1D200, 0x1D24F, // Ancient Greek Musical Notation
0x1D300, 0x1D35F, // Tai Xuan Jing Symbols
0x1D360, 0x1D37F, // Counting Rod Numerals
0x1D400, 0x1D7FF, // Mathematical Alphanumeric Symbols
0x1F000, 0x1F02F, // Mahjong Tiles
0x1F030, 0x1F09F, // Domino Tiles
0x1F0A0, 0x1F0FF, // Playing Cards
0x1F100, 0x1F1FF, // Enclosed Alphanumeric Supplement
0x1F200, 0x1F2FF, // Enclosed Ideographic Supplement
0x1F300, 0x1F5FF, // Miscellaneous Symbols And Pictographs
0x1F600, 0x1F64F, // Emoticons
0x1F680, 0x1F6FF, // Transport And Map Symbols
0x1F700, 0x1F77F, // Alchemical Symbols
0x20000, 0x2A6DF, // CJK Unified Ideographs Extension B
0x2A700, 0x2B73F, // CJK Unified Ideographs Extension C
0x2B740, 0x2B81F, // CJK Unified Ideographs Extension D
0x2F800, 0x2FA1F, // CJK Compatibility Ideographs Supplement
0xE0000, 0xE007F, // Tags
0xE0100, 0xE01EF, // Variation Selectors Supplement
0xF0000, 0xFFFFF, // Supplementary Private Use Area-A
0x100000, 0x10FFFF, // Supplementary Private Use Area-B
0xFFFFFFFF
};
// Copyright (c) 2008-2010 Bjoern Hoehrmann <bjoern@hoehrmann.de>
// See http://bjoern.hoehrmann.de/utf-8/decoder/dfa/ for details.
#define UTF8_ACCEPT 0u
static const unsigned char utf8d[] = {
// The first part of the table maps bytes to character classes that
// to reduce the size of the transition table and create bitmasks.
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,
7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
8,8,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
10,3,3,3,3,3,3,3,3,3,3,3,3,4,3,3, 11,6,6,6,5,8,8,8,8,8,8,8,8,8,8,8,
// The second part is a transition table that maps a combination
// of a state of the automaton and a character class to a state.
0,12,24,36,60,96,84,12,12,12,48,72, 12,12,12,12,12,12,12,12,12,12,12,12,
12, 0,12,12,12,12,12, 0,12, 0,12,12, 12,24,12,12,12,12,12,24,12,24,12,12,
12,12,12,12,12,12,12,24,12,12,12,12, 12,24,12,12,12,12,12,12,12,24,12,12,
12,12,12,12,12,12,12,36,12,36,12,12, 12,36,12,12,12,12,12,36,12,36,12,12,
12,36,12,12,12,12,12,12,12,12,12,12,
};
static unsigned inline decode(unsigned* state, unsigned* codep, unsigned byte) {
unsigned type = utf8d[byte];
*codep = (*state != UTF8_ACCEPT) ?
(byte & 0x3fu) | (*codep << 6) :
(0xffu >> type) & (byte);
*state = utf8d[256 + *state + type];
return *state;
}
//static bool IsUTF8(unsigned char* s) {
// unsigned codepoint, state = 0;
//
// while (*s)
// decode(&state, &codepoint, *s++);
//
// return state == UTF8_ACCEPT;
//}
TEST(EncodingsTest, UTF8) {
StringBuffer os, os2;
for (const unsigned* range = kCodepointRanges; *range != 0xFFFFFFFF; range += 2) {
for (unsigned codepoint = range[0]; codepoint <= range[1]; ++codepoint) {
os.Clear();
UTF8<>::Encode(os, codepoint);
const char* encodedStr = os.GetString();
// Decode with Hoehrmann
{
unsigned decodedCodepoint = 0;
unsigned state = 0;
unsigned decodedCount = 0;
for (const char* s = encodedStr; *s; ++s)
if (!decode(&state, &decodedCodepoint, static_cast<unsigned char>(*s))) {
EXPECT_EQ(codepoint, decodedCodepoint);
decodedCount++;
}
if (*encodedStr) { // This decoder cannot handle U+0000
EXPECT_EQ(1u, decodedCount); // Should only contain one code point
}
EXPECT_EQ(UTF8_ACCEPT, state);
if (UTF8_ACCEPT != state)
std::cout << std::hex << codepoint << " " << decodedCodepoint << std::endl;
}
// Decode
{
StringStream is(encodedStr);
unsigned decodedCodepoint;
bool result = UTF8<>::Decode(is, &decodedCodepoint);
EXPECT_TRUE(result);
EXPECT_EQ(codepoint, decodedCodepoint);
if (!result || codepoint != decodedCodepoint)
std::cout << std::hex << codepoint << " " << decodedCodepoint << std::endl;
}
// Validate
{
StringStream is(encodedStr);
os2.Clear();
bool result = UTF8<>::Validate(is, os2);
EXPECT_TRUE(result);
EXPECT_EQ(0, StrCmp(encodedStr, os2.GetString()));
}
}
}
}
TEST(EncodingsTest, UTF16) {
GenericStringBuffer<UTF16<> > os, os2;
GenericStringBuffer<UTF8<> > utf8os;
for (const unsigned* range = kCodepointRanges; *range != 0xFFFFFFFF; range += 2) {
for (unsigned codepoint = range[0]; codepoint <= range[1]; ++codepoint) {
os.Clear();
UTF16<>::Encode(os, codepoint);
const UTF16<>::Ch* encodedStr = os.GetString();
// Encode with Hoehrmann's code
if (codepoint != 0) // cannot handle U+0000
{
// encode with UTF8<> first
utf8os.Clear();
UTF8<>::Encode(utf8os, codepoint);
// transcode from UTF8 to UTF16 with Hoehrmann's code
unsigned decodedCodepoint = 0;
unsigned state = 0;
UTF16<>::Ch buffer[3], *p = &buffer[0];
for (const char* s = utf8os.GetString(); *s; ++s) {
if (!decode(&state, &decodedCodepoint, static_cast<unsigned char>(*s)))
break;
}
if (codepoint <= 0xFFFF)
*p++ = static_cast<UTF16<>::Ch>(decodedCodepoint);
else {
// Encode code points above U+FFFF as surrogate pair.
*p++ = static_cast<UTF16<>::Ch>(0xD7C0 + (decodedCodepoint >> 10));
*p++ = static_cast<UTF16<>::Ch>(0xDC00 + (decodedCodepoint & 0x3FF));
}
*p++ = '\0';
EXPECT_EQ(0, StrCmp(buffer, encodedStr));
}
// Decode
{
GenericStringStream<UTF16<> > is(encodedStr);
unsigned decodedCodepoint;
bool result = UTF16<>::Decode(is, &decodedCodepoint);
EXPECT_TRUE(result);
EXPECT_EQ(codepoint, decodedCodepoint);
if (!result || codepoint != decodedCodepoint)
std::cout << std::hex << codepoint << " " << decodedCodepoint << std::endl;
}
// Validate
{
GenericStringStream<UTF16<> > is(encodedStr);
os2.Clear();
bool result = UTF16<>::Validate(is, os2);
EXPECT_TRUE(result);
EXPECT_EQ(0, StrCmp(encodedStr, os2.GetString()));
}
}
}
}
TEST(EncodingsTest, UTF32) {
GenericStringBuffer<UTF32<> > os, os2;
for (const unsigned* range = kCodepointRanges; *range != 0xFFFFFFFF; range += 2) {
for (unsigned codepoint = range[0]; codepoint <= range[1]; ++codepoint) {
os.Clear();
UTF32<>::Encode(os, codepoint);
const UTF32<>::Ch* encodedStr = os.GetString();
// Decode
{
GenericStringStream<UTF32<> > is(encodedStr);
unsigned decodedCodepoint;
bool result = UTF32<>::Decode(is, &decodedCodepoint);
EXPECT_TRUE(result);
EXPECT_EQ(codepoint, decodedCodepoint);
if (!result || codepoint != decodedCodepoint)
std::cout << std::hex << codepoint << " " << decodedCodepoint << std::endl;
}
// Validate
{
GenericStringStream<UTF32<> > is(encodedStr);
os2.Clear();
bool result = UTF32<>::Validate(is, os2);
EXPECT_TRUE(result);
EXPECT_EQ(0, StrCmp(encodedStr, os2.GetString()));
}
}
}
}
TEST(EncodingsTest, ASCII) {
StringBuffer os, os2;
for (unsigned codepoint = 0; codepoint < 128; codepoint++) {
os.Clear();
ASCII<>::Encode(os, codepoint);
const ASCII<>::Ch* encodedStr = os.GetString();
{
StringStream is(encodedStr);
unsigned decodedCodepoint;
bool result = ASCII<>::Decode(is, &decodedCodepoint);
if (!result || codepoint != decodedCodepoint)
std::cout << std::hex << codepoint << " " << decodedCodepoint << std::endl;
}
// Validate
{
StringStream is(encodedStr);
os2.Clear();
bool result = ASCII<>::Validate(is, os2);
EXPECT_TRUE(result);
EXPECT_EQ(0, StrCmp(encodedStr, os2.GetString()));
}
}
}
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