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448 lines
20 KiB
C++
448 lines
20 KiB
C++
/*
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* Copyright (c) 2021, Tim Flynn <trflynn89@serenityos.org>
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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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// Code points whose uppercase and titlecase mappings actually differ.
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EXPECT_EQ(Unicode::to_unicode_uppercase(0x01c6u), 0x01c4u); // "dž" to "DŽ"
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EXPECT_EQ(Unicode::to_unicode_uppercase(0x01c9u), 0x01c7u); // "lj" to "LJ"
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EXPECT_EQ(Unicode::to_unicode_uppercase(0x01ccu), 0x01cau); // "nj" to "NJ"
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EXPECT_EQ(Unicode::to_unicode_uppercase(0x01f3u), 0x01f1u); // "dz" to "DZ"
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}
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TEST_CASE(to_unicode_titlecase)
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{
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compare_to_ascii(toupper, Unicode::to_unicode_titlecase);
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EXPECT_EQ(Unicode::to_unicode_titlecase(0x03c9u), 0x03a9u); // "ω" to "Ω"
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EXPECT_EQ(Unicode::to_unicode_titlecase(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_titlecase(0x3400u), 0x3400u);
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EXPECT_EQ(Unicode::to_unicode_titlecase(0x3401u), 0x3401u);
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EXPECT_EQ(Unicode::to_unicode_titlecase(0x3402u), 0x3402u);
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EXPECT_EQ(Unicode::to_unicode_titlecase(0x4dbfu), 0x4dbfu);
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// Code points whose uppercase and titlecase mappings actually differ.
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EXPECT_EQ(Unicode::to_unicode_titlecase(0x01c6u), 0x01c5u); // "dž" to "Dž"
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EXPECT_EQ(Unicode::to_unicode_titlecase(0x01c9u), 0x01c8u); // "lj" to "Lj"
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EXPECT_EQ(Unicode::to_unicode_titlecase(0x01ccu), 0x01cbu); // "nj" to "Nj"
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EXPECT_EQ(Unicode::to_unicode_titlecase(0x01f3u), 0x01f2u); // "dz" to "Dz"
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}
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BENCHMARK_CASE(casing)
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{
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for (size_t i = 0; i < 50'000; ++i) {
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__test_to_unicode_lowercase();
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__test_to_unicode_uppercase();
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__test_to_unicode_titlecase();
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}
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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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BENCHMARK_CASE(general_category_performance)
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{
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auto general_category_cased_letter = Unicode::general_category_from_string("Cased_Letter"sv).value();
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for (size_t i = 0; i < 1'000'000; ++i) {
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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_cased_letter));
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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_cased_letter));
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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_cased_letter));
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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_cased_letter));
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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_cased_letter));
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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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TEST_CASE(script)
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{
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auto script = [](StringView name) {
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auto script = Unicode::script_from_string(name);
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VERIFY(script.has_value());
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return *script;
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};
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auto script_latin = script("Latin"sv);
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auto script_latn = script("Latn"sv);
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EXPECT_EQ(script_latin, script_latn);
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auto script_cyrillic = script("Cyrillic"sv);
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auto script_cyrl = script("Cyrl"sv);
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EXPECT_EQ(script_cyrillic, script_cyrl);
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auto script_greek = script("Greek"sv);
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auto script_grek = script("Grek"sv);
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EXPECT_EQ(script_greek, script_grek);
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for (u32 code_point = 0x41; code_point <= 0x5a; ++code_point) {
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EXPECT(Unicode::code_point_has_script(code_point, script_latin));
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EXPECT(Unicode::code_point_has_script_extension(code_point, script_latin));
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EXPECT(!Unicode::code_point_has_script(code_point, script_cyrillic));
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EXPECT(!Unicode::code_point_has_script(code_point, script_greek));
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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_script(code_point, script_latin));
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EXPECT(Unicode::code_point_has_script_extension(code_point, script_latin));
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EXPECT(!Unicode::code_point_has_script(code_point, script_cyrillic));
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EXPECT(!Unicode::code_point_has_script(code_point, script_greek));
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}
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for (u32 code_point = 0x400; code_point <= 0x481; ++code_point) {
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EXPECT(Unicode::code_point_has_script(code_point, script_cyrillic));
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EXPECT(Unicode::code_point_has_script_extension(code_point, script_cyrillic));
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EXPECT(!Unicode::code_point_has_script(code_point, script_latin));
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EXPECT(!Unicode::code_point_has_script(code_point, script_greek));
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}
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for (u32 code_point = 0x400; code_point <= 0x481; ++code_point) {
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EXPECT(Unicode::code_point_has_script(code_point, script_cyrillic));
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EXPECT(Unicode::code_point_has_script_extension(code_point, script_cyrillic));
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EXPECT(!Unicode::code_point_has_script(code_point, script_latin));
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EXPECT(!Unicode::code_point_has_script(code_point, script_greek));
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}
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for (u32 code_point = 0x1f80; code_point <= 0x1fb4; ++code_point) {
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EXPECT(Unicode::code_point_has_script(code_point, script_greek));
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EXPECT(Unicode::code_point_has_script_extension(code_point, script_greek));
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EXPECT(!Unicode::code_point_has_script(code_point, script_latin));
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EXPECT(!Unicode::code_point_has_script(code_point, script_cyrillic));
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}
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}
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TEST_CASE(block)
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{
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for (u32 code_point = 0x0000; code_point <= 0x007F; ++code_point)
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EXPECT_EQ("Basic Latin"sv, Unicode::code_point_block_display_name(code_point).value());
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for (u32 code_point = 0x0370; code_point <= 0x03FF; ++code_point)
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EXPECT_EQ("Greek and Coptic"sv, Unicode::code_point_block_display_name(code_point).value());
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}
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TEST_CASE(script_extension)
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{
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auto script = [](StringView name) {
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auto script = Unicode::script_from_string(name);
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VERIFY(script.has_value());
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return *script;
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};
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auto script_latin = script("Latin"sv);
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auto script_greek = script("Greek"sv);
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for (u32 code_point = 0x363; code_point <= 0x36f; ++code_point) {
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EXPECT(!Unicode::code_point_has_script(code_point, script_latin));
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EXPECT(Unicode::code_point_has_script_extension(code_point, script_latin));
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}
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EXPECT(!Unicode::code_point_has_script(0x342, script_greek));
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EXPECT(Unicode::code_point_has_script_extension(0x342, script_greek));
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EXPECT(!Unicode::code_point_has_script(0x345, script_greek));
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EXPECT(Unicode::code_point_has_script_extension(0x345, script_greek));
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EXPECT(!Unicode::code_point_has_script(0x1dc0, script_greek));
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EXPECT(Unicode::code_point_has_script_extension(0x1dc0, script_greek));
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EXPECT(!Unicode::code_point_has_script(0x1dc1, script_greek));
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EXPECT(Unicode::code_point_has_script_extension(0x1dc1, script_greek));
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auto script_common = script("Common"sv);
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auto script_zyyy = script("Zyyy"sv);
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EXPECT_EQ(script_common, script_zyyy);
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EXPECT(Unicode::code_point_has_script(0x202f, script_common));
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EXPECT(!Unicode::code_point_has_script_extension(0x202f, script_common));
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EXPECT(Unicode::code_point_has_script(0x3000, script_common));
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EXPECT(Unicode::code_point_has_script_extension(0x3000, script_common));
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|
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auto script_inherited = script("Inherited"sv);
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auto script_qaai = script("Qaai"sv);
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auto script_zinh = script("Zinh"sv);
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EXPECT_EQ(script_inherited, script_qaai);
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EXPECT_EQ(script_inherited, script_zinh);
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|
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EXPECT(Unicode::code_point_has_script(0x1ced, script_inherited));
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EXPECT(!Unicode::code_point_has_script_extension(0x1ced, script_inherited));
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|
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EXPECT(Unicode::code_point_has_script(0x101fd, script_inherited));
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EXPECT(Unicode::code_point_has_script_extension(0x101fd, script_inherited));
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}
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|
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TEST_CASE(code_point_display_name)
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{
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auto code_point_display_name = [](u32 code_point) {
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auto name = Unicode::code_point_display_name(code_point);
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VERIFY(name.has_value());
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return name.release_value();
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};
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|
|
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// Control code points.
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EXPECT_EQ(code_point_display_name(0), "NULL"sv);
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EXPECT_EQ(code_point_display_name(1), "START OF HEADING"sv);
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EXPECT_EQ(code_point_display_name(0xa), "LINE FEED"sv);
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|
|
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// Ideographic code points (which already appeared in a range in UnicodeData.txt).
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EXPECT_EQ(code_point_display_name(0x3400), "CJK UNIFIED IDEOGRAPH-3400"sv);
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EXPECT_EQ(code_point_display_name(0x3401), "CJK UNIFIED IDEOGRAPH-3401"sv);
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EXPECT_EQ(code_point_display_name(0x3402), "CJK UNIFIED IDEOGRAPH-3402"sv);
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|
EXPECT_EQ(code_point_display_name(0x4dbf), "CJK UNIFIED IDEOGRAPH-4DBF"sv);
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|
|
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EXPECT_EQ(code_point_display_name(0x20000), "CJK UNIFIED IDEOGRAPH-20000"sv);
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|
EXPECT_EQ(code_point_display_name(0x20001), "CJK UNIFIED IDEOGRAPH-20001"sv);
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EXPECT_EQ(code_point_display_name(0x20002), "CJK UNIFIED IDEOGRAPH-20002"sv);
|
|
EXPECT_EQ(code_point_display_name(0x2a6df), "CJK UNIFIED IDEOGRAPH-2A6DF"sv);
|
|
EXPECT(!Unicode::code_point_display_name(0x2a6e0).has_value());
|
|
|
|
// Ideographic code points (which appeared individually in UnicodeData.txt and were coalesced into a range).
|
|
EXPECT_EQ(code_point_display_name(0x2f800), "CJK COMPATIBILITY IDEOGRAPH-2F800"sv);
|
|
EXPECT_EQ(code_point_display_name(0x2f801), "CJK COMPATIBILITY IDEOGRAPH-2F801"sv);
|
|
EXPECT_EQ(code_point_display_name(0x2f802), "CJK COMPATIBILITY IDEOGRAPH-2F802"sv);
|
|
EXPECT_EQ(code_point_display_name(0x2fa1d), "CJK COMPATIBILITY IDEOGRAPH-2FA1D"sv);
|
|
}
|
|
|
|
TEST_CASE(code_point_bidirectional_character_type)
|
|
{
|
|
auto code_point_bidi_class = [](u32 code_point) {
|
|
auto bidi_class = Unicode::bidirectional_class(code_point);
|
|
VERIFY(bidi_class.has_value());
|
|
return bidi_class.release_value();
|
|
};
|
|
|
|
auto bidi_class_from_string = [](StringView name) {
|
|
auto result = Unicode::bidirectional_class_from_string(name);
|
|
VERIFY(result.has_value());
|
|
return result.release_value();
|
|
};
|
|
|
|
// Left-to-right
|
|
EXPECT_EQ(code_point_bidi_class('A'), bidi_class_from_string("L"sv));
|
|
EXPECT_EQ(code_point_bidi_class('z'), bidi_class_from_string("L"sv));
|
|
// European number
|
|
EXPECT_EQ(code_point_bidi_class('7'), bidi_class_from_string("EN"sv));
|
|
// Whitespace
|
|
EXPECT_EQ(code_point_bidi_class(' '), bidi_class_from_string("WS"sv));
|
|
// Arabic right-to-left (U+FEB4 ARABIC LETTER SEEN MEDIAL FORM)
|
|
EXPECT_EQ(code_point_bidi_class(0xFEB4), bidi_class_from_string("AL"sv));
|
|
}
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