A C++ wrapper for the basic C datatypes defined by the pEpEngine.
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#include <gtest/gtest.h>
#include "../src/nfc.hh" // for illegal_utf8 exception
#include <vector>
using namespace pEp;
namespace pEp
{
std::string escape_utf16(u16string_view s);
}
namespace {
struct TestEntry
{
u16string_view input;
bool is_nfc;
IsNFC quick;
u16string_view nfc;
};
typedef TestEntry TE;
std::ostream& operator<<(std::ostream& o, const TestEntry& tt)
{
return o << "input=«" << pEp::escape_utf16(tt.input) << "», isNfc=" << tt.is_nfc << ", quick=" << tt.quick << ". ";
}
const char16_t nullo[4] = {0,0,0,0};
const std::vector<TestEntry> testValues =
{
{ u"" , true, IsNFC::Yes, u"" }, // always start with the simple case ;-)
{ u"123" , true, IsNFC::Yes, u"123" }, // some ASCII digits. Still easy.
{ u"\n\\\b" , true, IsNFC::Yes, u"\n\\\b" }, // backslash escapes for ASCII and control chars
{ u"ä" , true, IsNFC::Yes, u"ä" }, // <U+00E4> small a with diaeresis
{ u"\u0105" , true, IsNFC::Yes, u"\u0105" }, // <U+0105> small a with ogonek
{ u"a\u0308" , false, IsNFC::Maybe, u"ä" }, // a + <U+0308> combining diaresis
{ u"a\u0328" , false, IsNFC::Maybe, u"\u0105" }, // a + <U+0328> combining ogonek
{ u"a\u0328\u0308", false, IsNFC::Maybe, u"\u0105\u0308" }, // a + <U+0328> + <U+0308> (ogonek + diaeresis)
{ u"a\u0308\u0328", false, IsNFC::Maybe, u"\u0105\u0308" }, // a + <U+0308> + <U+0328> (diaeresis + ogonek)
{ u"\u0105\u0308" , true, IsNFC::Maybe, u"\u0105\u0308" }, // <U+0105> small a with ogonek + combining diaeresis
{ u"ä\u0328" , false, IsNFC::Maybe, u"\u0105\u0308" }, // a diaeresis + <U+0328> combining ogonek
// Already implemented, because <U+305> and <U+33C> have neither "No" nor "Maybe" NFC class:
{ u"a\u0305\u033c", false, IsNFC::No , u"a\u033c\u0305"}, // a + <U+0305> + <U+033C> (overline + seagull_below)
{ u"a\u033c\u0305", true, IsNFC::Yes , u"a\u033c\u0305"}, // a + <U+033C> + <U+0305> (seagull_below + overline)
{ u"\U0001D161", false, IsNFC::No, u"x" }, // MUSICAL SYMBOL SIXTEENTH NOTE
{ u16string_view(nullo, 1), true, IsNFC::Yes, u16string_view(nullo, 1) }, // Yeah, 1 NUL byte
{ u16string_view(nullo, 4), true, IsNFC::Yes, u16string_view(nullo, 4) }, // Yeah, 4 NUL bytes
{ u"EOF", true, IsNFC::Yes, u"EOF" }
};
} // end of anonymous namespace
class Nfc16Test : public ::testing::TestWithParam<TestEntry>
{
// intentionally left blank for now.
};
INSTANTIATE_TEST_SUITE_P(Nfc16TestInstance, Nfc16Test, testing::ValuesIn(testValues) );
TEST_P( Nfc16Test, Meh )
{
const auto& v = GetParam();
EXPECT_EQ( v.quick, UTF16::isNFC_quick_check(v.input) );
EXPECT_EQ( v.is_nfc, UTF16::isNFC(v.input) );
EXPECT_EQ( v.nfc , UTF16::toNFC(v.input) );
if(v.is_nfc)
{
EXPECT_EQ( v.input, UTF16::toNFC(v.input) );
}
}