75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
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#include <gtest/gtest.h>
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#include "nfc.hh" // for illegal_utf8 exception
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#include <vector>
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namespace {
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struct TestEntry
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{
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std::string input;
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std::u32string output;
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};
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std::string uplus(const std::u32string& u32)
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{
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std::string ret; ret.reserve(u32.size()*6);
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char hexa[16];
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for(auto c:u32)
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{
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snprintf(hexa,15, "<U+%04X>", unsigned(c));
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ret += hexa;
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}
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return ret;
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}
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std::ostream& operator<<(std::ostream& o, const TestEntry& tt)
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{
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return o << "input=«" << tt.input << "», output=«" << uplus(tt.output) << "» ";
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}
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const char nullo[4] = {0,0,0,0};
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const char32_t nullo32[4] = {0,0,0,0};
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const std::vector<TestEntry> testValues =
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{
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{ "" , U"" }, // always start with the simple case ;-)
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{ "123" , U"123" }, // some ASCII digits. Still easy.
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{ "\n\\\b", U"\n\\\b" }, // backslash escapes for ASCII and control chars
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{ "ä" , U"a\u0308" }, // <U+00E4> small a with diaeresis -> decompose ä
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{ "\xc4\x85" , U"a\u0328" }, // <U+0105> small a with ogonek -> decompose ą
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{ "a\xcc\x88", U"a\u0308" }, // a + <U+0308> combining diaresis
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{ "a\xcc\xa8", U"a\u0328" }, // a + <U+0328> combining ogonek
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{ "a\xcc\xa8\xcc\x88", U"a\u0328\u0308" }, // a + <U+0328> + <U+0308> ( ogonek + diaresis)
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{ "a\xcc\x88\xcc\xa8", U"a\u0328\u0308" }, // a + <U+0308> + <U+0328> ( diaeresis + ogonek) -> canonicalOrdering reorders the accents!
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// ogonek sorts before diaeresis or breve-below:
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{ "ä\xcc\xa8ü\xcc\xa8ḫ\xcc\xa8", U"a\u0328\u0308u\u0328\u0308h\u0328\u032e"}, // ä + ogonek, ü + ogonek, h-breve-below + ogonek
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{ "a\xcc\x85\xcc\xbc", U"a\u033c\u0305" }, // a + <U+0305> + <U+033C> ( overline + seagull_below) -> canonicalOrdering reorders the accents!
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{ "a\xcc\xbc\xcc\x85", U"a\u033c\u0305" }, // a + <U+033C> + <U+0305> ( seagull_below + overline)
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{ std::string(nullo, nullo+1), std::u32string(nullo32, nullo32+1) }, // Yeah, 1 NUL byte
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{ std::string(nullo, nullo+4), std::u32string(nullo32, nullo32+4) }, // Yeah, 4 NUL bytes
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{ "EOF", U"EOF" }
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};
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}
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class DecomposeTest : public ::testing::TestWithParam<TestEntry>
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{
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// intentionally left blank for now.
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};
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INSTANTIATE_TEST_CASE_P(DecomposeTestInstance, DecomposeTest, testing::ValuesIn(testValues) );
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TEST_P( DecomposeTest, Meh )
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{
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const auto v = GetParam();
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EXPECT_EQ( v.output, fromUtf8_decompose(v.input) );
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}
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