d4d59fa339
This commit introduces all of the Windows Terminal and Console Host source, under the MIT license.
90 lines
3.3 KiB
C++
90 lines
3.3 KiB
C++
// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT license.
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#include "precomp.h"
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#include "WexTestClass.h"
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#include "../../inc/consoletaeftemplates.hpp"
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#include "../../types/inc/Utf16Parser.hpp"
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using namespace WEX::Common;
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using namespace WEX::Logging;
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using namespace WEX::TestExecution;
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static const std::vector<wchar_t> CyrillicChar = { 0x0431 }; // lowercase be
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static const std::vector<wchar_t> LatinChar = { 0x0061 }; // uppercase A
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static const std::vector<wchar_t> FullWidthChar = { 0xFF2D }; // fullwidth latin small letter m
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static const std::vector<wchar_t> GaelicChar = { 0x1E41 }; // latin small letter m with dot above
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static const std::vector<wchar_t> HiraganaChar = { 0x3059 }; // hiragana su
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static const std::vector<wchar_t> SunglassesEmoji = { 0xD83D, 0xDE0E }; // smiling face with sunglasses emoji
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class Utf16ParserTests
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{
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TEST_CLASS(Utf16ParserTests);
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TEST_METHOD(CanParseNonSurrogateText)
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{
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const std::vector<std::vector<wchar_t>> expected = { CyrillicChar, LatinChar, FullWidthChar, GaelicChar, HiraganaChar };
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std::wstring wstr;
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for (const auto& charData : expected)
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{
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wstr.push_back(charData.at(0));
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}
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const std::vector<std::vector<wchar_t>> result = Utf16Parser::Parse(wstr);
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VERIFY_ARE_EQUAL(expected.size(), result.size());
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for (size_t i = 0; i < result.size(); ++i)
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{
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const auto& sequence = result.at(i);
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VERIFY_ARE_EQUAL(sequence, expected.at(i));
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}
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}
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TEST_METHOD(CanParseSurrogatePairs)
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{
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const std::wstring wstr{ SunglassesEmoji.begin(), SunglassesEmoji.end() };
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const std::vector<std::vector<wchar_t>> result = Utf16Parser::Parse(wstr);
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VERIFY_ARE_EQUAL(result.size(), 1u);
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VERIFY_ARE_EQUAL(result.at(0).size(), SunglassesEmoji.size());
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for (size_t i = 0; i < SunglassesEmoji.size(); ++i)
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{
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VERIFY_ARE_EQUAL(result.at(0).at(i), SunglassesEmoji.at(i));
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}
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}
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TEST_METHOD(WillDropBadSurrogateCombinations)
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{
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// test dropping of invalid leading surrogates
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std::wstring wstr{ SunglassesEmoji.begin(), SunglassesEmoji.end() };
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wstr += wstr;
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wstr.at(1) = SunglassesEmoji.at(0); // wstr contains 3 leading, 1 trailing surrogate sequence
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std::vector<std::vector<wchar_t>> result = Utf16Parser::Parse(wstr);
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VERIFY_ARE_EQUAL(result.size(), 1u);
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VERIFY_ARE_EQUAL(result.at(0).size(), SunglassesEmoji.size());
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for (size_t i = 0; i < SunglassesEmoji.size(); ++i)
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{
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VERIFY_ARE_EQUAL(result.at(0).at(i), SunglassesEmoji.at(i));
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}
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// test dropping of invalid trailing surrogates
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wstr = { SunglassesEmoji.begin(), SunglassesEmoji.end() };
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wstr += wstr;
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wstr.at(0) = SunglassesEmoji.at(1); // wstr contains 2 trailing, 1 leading, 1 trailing surrogate sequence
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result = Utf16Parser::Parse(wstr);
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VERIFY_ARE_EQUAL(result.size(), 1u);
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VERIFY_ARE_EQUAL(result.at(0).size(), SunglassesEmoji.size());
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for (size_t i = 0; i < SunglassesEmoji.size(); ++i)
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{
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VERIFY_ARE_EQUAL(result.at(0).at(i), SunglassesEmoji.at(i));
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}
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}
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};
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