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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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bool is_nfc;
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IsNFC quick;
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std::string nfc;
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};
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typedef TestEntry TE;
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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 << "», isNfc=" << tt.is_nfc << ", quick=" << tt.quick << ". ";
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}
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const char nullo[4] = {0,0,0,0};
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const std::vector<TestEntry> testValues =
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{
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{ "" , true, IsNFC::Yes, "" }, // always start with the simple case ;-)
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{ "123" , true, IsNFC::Yes, "123" }, // some ASCII digits. Still easy.
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{ "\n\\\b" , true, IsNFC::Yes, "\n\\\b" }, // backslash escapes for ASCII and control chars
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{ "ä" , true, IsNFC::Yes, "ä" }, // <U+00E4> small a with diaeresis
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{ "\xc4\x85" , true, IsNFC::Yes, "\xc4\x85" }, // <U+0105> small a with ogonek
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{ "a\xcc\x88", false, IsNFC::Maybe, "ä" }, // a + <U+0308> combining diaresis
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{ "a\xcc\xa8", false, IsNFC::Maybe, "\xc4\x85" }, // a + <U+0328> combining ogonek
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{ "a\xcc\xa8\xcc\x88", false, IsNFC::Maybe, "\xc4\x85\xcc\x88" }, // a + <U+0328> + <U+0308> (ogonek + diaeresis)
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{ "a\xcc\x88\xcc\xa8", false, IsNFC::Maybe, "\xc4\x85\xcc\x88" }, // a + <U+0308> + <U+0328> (diaeresis + ogonek)
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{ "\xc4\x85\xcc\x88" , true, IsNFC::Maybe, "\xc4\x85\xcc\x88" }, // <U+0105> small a with ogonek + combining diaeresis
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{ "ä\xcc\xa8" , false, IsNFC::Maybe, "\xc4\x85\xcc\x88" }, // a diaeresis + <U+0328> combining ogonek
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// Already implemented, because <U+305> and <U+33C> have neither "No" nor "Maybe" NFC class:
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{ "a\xcc\x85\xcc\xbc", false, IsNFC::No , "a\xcc\xbc\xcc\x85"}, // a + <U+0305> + <U+033C> (overline + seagull_below)
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{ "a\xcc\xbc\xcc\x85", true, IsNFC::Yes , "a\xcc\xbc\xcc\x85"}, // a + <U+033C> + <U+0305> (seagull_below + overline)
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{ std::string(nullo, nullo+1), true, IsNFC::Yes, std::string(nullo, nullo+1) }, // Yeah, 1 NUL byte
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{ std::string(nullo, nullo+4), true, IsNFC::Yes, std::string(nullo, nullo+4) }, // Yeah, 4 NUL bytes
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{ "EOF", true, IsNFC::Yes, "EOF" }
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};
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}
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class NfcTest : 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(NfcTestInstance, NfcTest, testing::ValuesIn(testValues) );
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TEST_P( NfcTest, Meh )
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{
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const auto& v = GetParam();
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EXPECT_EQ( v.quick, isNFC_quick_check(v.input) );
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EXPECT_EQ( v.is_nfc, isNFC(v.input) );
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EXPECT_EQ( v.nfc , toNFC(v.input) );
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if(v.is_nfc)
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{
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EXPECT_EQ( v.input, toNFC(v.input) );
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}
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}
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