unicode.cpp

/*
    SPDX-License-Identifier: MIT
    Copyright © 2023 Amebis
*/
 
#include "pch.h"
 
using namespace std;
#ifdef _WIN32
using namespace Microsoft::VisualStudio::CppUnitTestFramework;
#endif
 
namespace UnitTests
{
    TEST_CLASS(unicode)
    {
    public:
        TEST_METHOD(str2wstr)
        {
            Assert::AreEqual(
                L"This is a test.",
                stdex::str2wstr("This is a test.", stdex::charset_id::utf8).c_str());
            Assert::AreEqual(
                L"Th\u00ed\u0161 i\u22c5 a te\u0073\u0304t. 😀😅",
                stdex::str2wstr("Thíš i⋅ a tes̄t. 😀😅", stdex::charset_id::utf8).c_str());
            std::string src;
            std::wstring dst;
            for (size_t i = 0; i < 2000; i++) {
                src += "🐔Test🐮\r\n";
                dst += L"🐔Test🐮\r\n";
            }
            Assert::AreEqual(dst.c_str(), stdex::str2wstr(src, stdex::charset_id::utf8).c_str());
            Assert::AreEqual(
                L"",
                stdex::str2wstr("test", 0, stdex::charset_id::utf8).c_str());
            Assert::AreEqual(
                L"",
                stdex::str2wstr(nullptr, 0, stdex::charset_id::utf8).c_str());
        }
 
        TEST_METHOD(wstr2str)
        {
            Assert::AreEqual(
                "This is a test.",
                stdex::wstr2str(L"This is a test.", stdex::charset_id::utf8).c_str());
            Assert::AreEqual(
                "Th\xc3\xad\xc5\xa1 i\xe2\x8b\x85 a tes\xcc\x84t. \xf0\x9f\x98\x80\xf0\x9f\x98\x85",
                stdex::wstr2str(L"Thíš i⋅ a tes̄t. 😀😅", stdex::charset_id::utf8).c_str());
            std::wstring src;
            std::string dst;
            for (size_t i = 0; i < 2000; i++) {
                src += L"🐔Test🐮\r\n";
                dst += "🐔Test🐮\r\n";
            }
            Assert::AreEqual(dst.c_str(), stdex::wstr2str(src, stdex::charset_id::utf8).c_str());
            Assert::AreEqual(
                "",
                stdex::wstr2str(L"test", 0, stdex::charset_id::utf8).c_str());
            Assert::AreEqual(
                "",
                stdex::wstr2str(nullptr, 0, stdex::charset_id::utf8).c_str());
        }
 
        TEST_METHOD(charset_encoder)
        {
            stdex::charset_encoder<char, char> win1250_to_utf8(stdex::charset_id::windows1250, stdex::charset_id::utf8);
 
            Assert::AreEqual(
                "This is a test.",
                win1250_to_utf8.convert("This is a test.").c_str());
            Assert::AreEqual(
                "Thíš i· a teşt.",
                win1250_to_utf8.convert("Th\xed\x9a i\xb7 a te\xbat.").c_str());
            std::string src, dst;
            for (size_t i = 0; i < 1000; i++) {
                src += "V ko\x9eu\x9a\xe8ku zlobnega mizarja stopiclja fant in kli\xe8" "e 0123456789.\r\n";
                dst += "V kožuščku zlobnega mizarja stopiclja fant in kliče 0123456789.\r\n";
            }
            Assert::AreEqual(dst.c_str(), win1250_to_utf8.convert(src).c_str());
            Assert::AreEqual(
                "",
                win1250_to_utf8.convert("test", 0).c_str());
            Assert::AreEqual(
                "",
                win1250_to_utf8.convert(nullptr, 0).c_str());
        }
    };
}