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377 lines
16 KiB
C++
377 lines
16 KiB
C++
/*
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* Copyright (c) 2021, Tim Flynn <trflynn89@pm.me>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibTest/TestCase.h>
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#include <AK/StringView.h>
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#include <LibUnicode/CharacterTypes.h>
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#include <ctype.h>
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static void compare_to_ascii(auto& old_function, auto& new_function)
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{
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i64 result1 = 0;
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i64 result2 = 0;
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for (u32 i = 0; i < 0x80; ++i) {
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EXPECT_EQ(result1 = old_function(i), result2 = new_function(i));
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if (result1 != result2)
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dbgln("Function input value was {}.", i);
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}
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}
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TEST_CASE(to_unicode_lowercase)
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{
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compare_to_ascii(tolower, Unicode::to_unicode_lowercase);
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EXPECT_EQ(Unicode::to_unicode_lowercase(0x03c9u), 0x03c9u); // "ω" to "ω"
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EXPECT_EQ(Unicode::to_unicode_lowercase(0x03a9u), 0x03c9u); // "Ω" to "ω"
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// Code points encoded by ranges in UnicodeData.txt
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EXPECT_EQ(Unicode::to_unicode_lowercase(0x3400u), 0x3400u);
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EXPECT_EQ(Unicode::to_unicode_lowercase(0x3401u), 0x3401u);
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EXPECT_EQ(Unicode::to_unicode_lowercase(0x3402u), 0x3402u);
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EXPECT_EQ(Unicode::to_unicode_lowercase(0x4dbfu), 0x4dbfu);
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}
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TEST_CASE(to_unicode_uppercase)
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{
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compare_to_ascii(toupper, Unicode::to_unicode_uppercase);
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EXPECT_EQ(Unicode::to_unicode_uppercase(0x03c9u), 0x03a9u); // "ω" to "Ω"
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EXPECT_EQ(Unicode::to_unicode_uppercase(0x03a9u), 0x03a9u); // "Ω" to "Ω"
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// Code points encoded by ranges in UnicodeData.txt
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EXPECT_EQ(Unicode::to_unicode_uppercase(0x3400u), 0x3400u);
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EXPECT_EQ(Unicode::to_unicode_uppercase(0x3401u), 0x3401u);
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EXPECT_EQ(Unicode::to_unicode_uppercase(0x3402u), 0x3402u);
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EXPECT_EQ(Unicode::to_unicode_uppercase(0x4dbfu), 0x4dbfu);
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}
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TEST_CASE(to_unicode_lowercase_unconditional_special_casing)
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{
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// LATIN SMALL LETTER SHARP S
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auto result = Unicode::to_unicode_lowercase_full("\u00DF"sv);
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EXPECT_EQ(result, "\u00DF");
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// LATIN CAPITAL LETTER I WITH DOT ABOVE
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result = Unicode::to_unicode_lowercase_full("\u0130"sv);
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EXPECT_EQ(result, "\u0069\u0307");
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// LATIN SMALL LIGATURE FF
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result = Unicode::to_unicode_lowercase_full("\uFB00"sv);
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EXPECT_EQ(result, "\uFB00");
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// LATIN SMALL LIGATURE FI
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result = Unicode::to_unicode_lowercase_full("\uFB01"sv);
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EXPECT_EQ(result, "\uFB01");
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// LATIN SMALL LIGATURE FL
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result = Unicode::to_unicode_lowercase_full("\uFB02"sv);
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EXPECT_EQ(result, "\uFB02");
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// LATIN SMALL LIGATURE FFI
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result = Unicode::to_unicode_lowercase_full("\uFB03"sv);
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EXPECT_EQ(result, "\uFB03");
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// LATIN SMALL LIGATURE FFL
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result = Unicode::to_unicode_lowercase_full("\uFB04"sv);
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EXPECT_EQ(result, "\uFB04");
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// LATIN SMALL LIGATURE LONG S T
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result = Unicode::to_unicode_lowercase_full("\uFB05"sv);
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EXPECT_EQ(result, "\uFB05");
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// LATIN SMALL LIGATURE ST
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result = Unicode::to_unicode_lowercase_full("\uFB06"sv);
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EXPECT_EQ(result, "\uFB06");
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// GREEK SMALL LETTER ALPHA WITH PERISPOMENI AND YPOGEGRAMMENI
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result = Unicode::to_unicode_lowercase_full("\u1FB7"sv);
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EXPECT_EQ(result, "\u1FB7");
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// GREEK SMALL LETTER ETA WITH PERISPOMENI AND YPOGEGRAMMENI
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result = Unicode::to_unicode_lowercase_full("\u1FC7"sv);
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EXPECT_EQ(result, "\u1FC7");
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// GREEK SMALL LETTER OMEGA WITH PERISPOMENI AND YPOGEGRAMMENI
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result = Unicode::to_unicode_lowercase_full("\u1FF7"sv);
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EXPECT_EQ(result, "\u1FF7");
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}
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TEST_CASE(to_unicode_lowercase_special_casing_sigma)
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{
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auto result = Unicode::to_unicode_lowercase_full("ABCI"sv);
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EXPECT_EQ(result, "abci");
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// Sigma preceded by A
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result = Unicode::to_unicode_lowercase_full("A\u03A3"sv);
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EXPECT_EQ(result, "a\u03C2");
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// Sigma preceded by FEMININE ORDINAL INDICATOR
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result = Unicode::to_unicode_lowercase_full("\u00AA\u03A3"sv);
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EXPECT_EQ(result, "\u00AA\u03C2");
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// Sigma preceded by ROMAN NUMERAL ONE
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result = Unicode::to_unicode_lowercase_full("\u2160\u03A3"sv);
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EXPECT_EQ(result, "\u2170\u03C2");
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// Sigma preceded by COMBINING GREEK YPOGEGRAMMENI
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result = Unicode::to_unicode_lowercase_full("\u0345\u03A3"sv);
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EXPECT_EQ(result, "\u0345\u03C3");
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// Sigma preceded by A and FULL STOP
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result = Unicode::to_unicode_lowercase_full("A.\u03A3"sv);
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EXPECT_EQ(result, "a.\u03C2");
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// Sigma preceded by A and MONGOLIAN VOWEL SEPARATOR
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result = Unicode::to_unicode_lowercase_full("A\u180E\u03A3"sv);
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EXPECT_EQ(result, "a\u180E\u03C2");
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// Sigma preceded by A and MONGOLIAN VOWEL SEPARATOR, followed by B
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result = Unicode::to_unicode_lowercase_full("A\u180E\u03A3B"sv);
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EXPECT_EQ(result, "a\u180E\u03C3b");
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// Sigma followed by A
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result = Unicode::to_unicode_lowercase_full("\u03A3A"sv);
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EXPECT_EQ(result, "\u03C3a");
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// Sigma preceded by A, followed by MONGOLIAN VOWEL SEPARATOR
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result = Unicode::to_unicode_lowercase_full("A\u03A3\u180E"sv);
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EXPECT_EQ(result, "a\u03C2\u180E");
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// Sigma preceded by A, followed by MONGOLIAN VOWEL SEPARATOR and B
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result = Unicode::to_unicode_lowercase_full("A\u03A3\u180EB"sv);
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EXPECT_EQ(result, "a\u03C3\u180Eb");
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// Sigma preceded by A and MONGOLIAN VOWEL SEPARATOR, followed by MONGOLIAN VOWEL SEPARATOR
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result = Unicode::to_unicode_lowercase_full("A\u180E\u03A3\u180E"sv);
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EXPECT_EQ(result, "a\u180E\u03C2\u180E");
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// Sigma preceded by A and MONGOLIAN VOWEL SEPARATOR, followed by MONGOLIAN VOWEL SEPARATOR and B
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result = Unicode::to_unicode_lowercase_full("A\u180E\u03A3\u180EB"sv);
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EXPECT_EQ(result, "a\u180E\u03C3\u180Eb");
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}
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TEST_CASE(to_unicode_uppercase_unconditional_special_casing)
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{
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// LATIN SMALL LETTER SHARP S
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auto result = Unicode::to_unicode_uppercase_full("\u00DF"sv);
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EXPECT_EQ(result, "\u0053\u0053");
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// LATIN CAPITAL LETTER I WITH DOT ABOVE
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result = Unicode::to_unicode_uppercase_full("\u0130"sv);
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EXPECT_EQ(result, "\u0130");
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// LATIN SMALL LIGATURE FF
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result = Unicode::to_unicode_uppercase_full("\uFB00"sv);
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EXPECT_EQ(result, "\u0046\u0046");
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// LATIN SMALL LIGATURE FI
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result = Unicode::to_unicode_uppercase_full("\uFB01"sv);
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EXPECT_EQ(result, "\u0046\u0049");
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// LATIN SMALL LIGATURE FL
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result = Unicode::to_unicode_uppercase_full("\uFB02"sv);
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EXPECT_EQ(result, "\u0046\u004C");
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// LATIN SMALL LIGATURE FFI
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result = Unicode::to_unicode_uppercase_full("\uFB03"sv);
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EXPECT_EQ(result, "\u0046\u0046\u0049");
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// LATIN SMALL LIGATURE FFL
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result = Unicode::to_unicode_uppercase_full("\uFB04"sv);
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EXPECT_EQ(result, "\u0046\u0046\u004C");
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// LATIN SMALL LIGATURE LONG S T
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result = Unicode::to_unicode_uppercase_full("\uFB05"sv);
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EXPECT_EQ(result, "\u0053\u0054");
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// LATIN SMALL LIGATURE ST
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result = Unicode::to_unicode_uppercase_full("\uFB06"sv);
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EXPECT_EQ(result, "\u0053\u0054");
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// GREEK SMALL LETTER IOTA WITH DIALYTIKA AND TONOS
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result = Unicode::to_unicode_uppercase_full("\u0390"sv);
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EXPECT_EQ(result, "\u0399\u0308\u0301");
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// GREEK SMALL LETTER UPSILON WITH DIALYTIKA AND TONOS
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result = Unicode::to_unicode_uppercase_full("\u03B0"sv);
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EXPECT_EQ(result, "\u03A5\u0308\u0301");
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// GREEK SMALL LETTER ALPHA WITH PERISPOMENI AND YPOGEGRAMMENI
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result = Unicode::to_unicode_uppercase_full("\u1FB7"sv);
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EXPECT_EQ(result, "\u0391\u0342\u0399");
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// GREEK SMALL LETTER ETA WITH PERISPOMENI AND YPOGEGRAMMENI
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result = Unicode::to_unicode_uppercase_full("\u1FC7"sv);
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EXPECT_EQ(result, "\u0397\u0342\u0399");
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// GREEK SMALL LETTER OMEGA WITH PERISPOMENI AND YPOGEGRAMMENI
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result = Unicode::to_unicode_uppercase_full("\u1FF7"sv);
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EXPECT_EQ(result, "\u03A9\u0342\u0399");
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}
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TEST_CASE(general_category)
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{
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auto general_category = [](StringView name) {
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auto general_category = Unicode::general_category_from_string(name);
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VERIFY(general_category.has_value());
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return *general_category;
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};
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auto general_category_c = general_category("C"sv);
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auto general_category_other = general_category("Other"sv);
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EXPECT_EQ(general_category_c, general_category_other);
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auto general_category_cc = general_category("Cc"sv);
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auto general_category_control = general_category("Control"sv);
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EXPECT_EQ(general_category_cc, general_category_control);
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auto general_category_co = general_category("Co"sv);
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auto general_category_private_use = general_category("Private_Use"sv);
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EXPECT_EQ(general_category_co, general_category_private_use);
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auto general_category_cn = general_category("Cn"sv);
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auto general_category_unassigned = general_category("Unassigned"sv);
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EXPECT_EQ(general_category_cn, general_category_unassigned);
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auto general_category_lc = general_category("LC"sv);
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auto general_category_cased_letter = general_category("Cased_Letter"sv);
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EXPECT_EQ(general_category_lc, general_category_cased_letter);
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auto general_category_ll = general_category("Ll"sv);
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auto general_category_lowercase_letter = general_category("Lowercase_Letter"sv);
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EXPECT_EQ(general_category_ll, general_category_lowercase_letter);
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auto general_category_lu = general_category("Lu"sv);
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auto general_category_uppercase_letter = general_category("Uppercase_Letter"sv);
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EXPECT_EQ(general_category_lu, general_category_uppercase_letter);
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for (u32 code_point = 0; code_point <= 0x1f; ++code_point) {
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EXPECT(Unicode::code_point_has_general_category(code_point, general_category_c));
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EXPECT(Unicode::code_point_has_general_category(code_point, general_category_cc));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_co));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_cn));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_lc));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_ll));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_lu));
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}
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for (u32 code_point = 0xe000; code_point <= 0xe100; ++code_point) {
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EXPECT(Unicode::code_point_has_general_category(code_point, general_category_c));
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EXPECT(Unicode::code_point_has_general_category(code_point, general_category_co));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_cc));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_cn));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_lc));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_ll));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_lu));
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}
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for (u32 code_point = 0x101fe; code_point <= 0x1027f; ++code_point) {
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EXPECT(Unicode::code_point_has_general_category(code_point, general_category_c));
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EXPECT(Unicode::code_point_has_general_category(code_point, general_category_cn));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_cc));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_co));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_lc));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_ll));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_lu));
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}
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for (u32 code_point = 0x61; code_point <= 0x7a; ++code_point) {
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EXPECT(Unicode::code_point_has_general_category(code_point, general_category_lc));
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EXPECT(Unicode::code_point_has_general_category(code_point, general_category_ll));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_c));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_cc));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_co));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_cn));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_lu));
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}
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for (u32 code_point = 0x41; code_point <= 0x5a; ++code_point) {
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EXPECT(Unicode::code_point_has_general_category(code_point, general_category_lc));
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EXPECT(Unicode::code_point_has_general_category(code_point, general_category_lu));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_c));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_cc));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_co));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_cn));
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EXPECT(!Unicode::code_point_has_general_category(code_point, general_category_ll));
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}
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}
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TEST_CASE(property)
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{
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auto property = [](StringView name) {
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auto property = Unicode::property_from_string(name);
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VERIFY(property.has_value());
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return *property;
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};
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auto property_any = property("Any"sv);
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auto property_assigned = property("Assigned"sv);
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auto property_ascii = property("ASCII"sv);
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auto property_white_space = property("White_Space"sv);
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auto property_wspace = property("WSpace"sv);
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auto property_space = property("space"sv);
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EXPECT_EQ(property_white_space, property_wspace);
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EXPECT_EQ(property_white_space, property_space);
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auto property_emoji_presentation = property("Emoji_Presentation"sv);
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auto property_epres = property("EPres"sv);
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EXPECT_EQ(property_emoji_presentation, property_epres);
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for (u32 code_point = 0; code_point <= 0x10ffff; code_point += 1000)
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EXPECT(Unicode::code_point_has_property(code_point, property_any));
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for (u32 code_point = 0x101d0; code_point <= 0x101fd; ++code_point) {
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EXPECT(Unicode::code_point_has_property(code_point, property_any));
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EXPECT(Unicode::code_point_has_property(code_point, property_assigned));
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EXPECT(!Unicode::code_point_has_property(code_point, property_ascii));
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EXPECT(!Unicode::code_point_has_property(code_point, property_white_space));
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EXPECT(!Unicode::code_point_has_property(code_point, property_emoji_presentation));
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}
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for (u32 code_point = 0x101fe; code_point <= 0x1027f; ++code_point) {
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EXPECT(Unicode::code_point_has_property(code_point, property_any));
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EXPECT(!Unicode::code_point_has_property(code_point, property_assigned));
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EXPECT(!Unicode::code_point_has_property(code_point, property_ascii));
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EXPECT(!Unicode::code_point_has_property(code_point, property_white_space));
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EXPECT(!Unicode::code_point_has_property(code_point, property_emoji_presentation));
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}
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for (u32 code_point = 0; code_point <= 0x7f; ++code_point) {
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EXPECT(Unicode::code_point_has_property(code_point, property_any));
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EXPECT(Unicode::code_point_has_property(code_point, property_assigned));
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EXPECT(Unicode::code_point_has_property(code_point, property_ascii));
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EXPECT(!Unicode::code_point_has_property(code_point, property_emoji_presentation));
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}
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for (u32 code_point = 0x9; code_point <= 0xd; ++code_point) {
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EXPECT(Unicode::code_point_has_property(code_point, property_any));
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EXPECT(Unicode::code_point_has_property(code_point, property_assigned));
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EXPECT(Unicode::code_point_has_property(code_point, property_ascii));
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EXPECT(Unicode::code_point_has_property(code_point, property_white_space));
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EXPECT(!Unicode::code_point_has_property(code_point, property_emoji_presentation));
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}
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for (u32 code_point = 0x1f3e5; code_point <= 0x1f3f0; ++code_point) {
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EXPECT(Unicode::code_point_has_property(code_point, property_any));
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EXPECT(Unicode::code_point_has_property(code_point, property_assigned));
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EXPECT(Unicode::code_point_has_property(code_point, property_emoji_presentation));
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EXPECT(!Unicode::code_point_has_property(code_point, property_ascii));
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EXPECT(!Unicode::code_point_has_property(code_point, property_white_space));
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}
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}
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