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71 lines
1.9 KiB
71 lines
1.9 KiB
#include <gtest/gtest.h>
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#include "../src/nfc.hh" // for illegal_utf8 exception
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#include <vector>
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using namespace pEp;
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using std::string_view;
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namespace {
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struct TestEntry {
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string_view input;
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string_view 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 << "», nfc=«" << tt.nfc << "» ";
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}
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} // end of anonymous namespace
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TEST(NfcTestString, Simple)
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{
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pEp::nfc_string s;
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EXPECT_TRUE(s.empty());
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EXPECT_EQ(s.size(), 0);
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s.reserve(1000);
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EXPECT_GE(s.capacity(), 1000);
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s = "Ha\u0308user"; // non-NFC input will be normalized.
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EXPECT_NE(s.get(), std::string("Ha\u0308user"));
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EXPECT_EQ(s.get(), std::string("Häuser"));
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s.insert(0, "U\u0308ber");
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EXPECT_EQ(s.get(), std::string("ÜberHäuser"));
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s += "\u0328\u030c"; // COMBINING OGONEK (below), COMBINING CARON (above)
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// r absorbs the caron into U+0159, the combining ogonek remains separate
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EXPECT_EQ(s.get(), std::string("ÜberHäuse\u0159\u0328"));
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EXPECT_EQ(s.size(), 15);
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EXPECT_THROW(s.substr(1), pEp::illegal_utf);
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EXPECT_THROW(s.substr(2, 10), pEp::illegal_utf);
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// removal of the r-with-caron let the remaining ogonek combine with the e to U+0119 (E WITH OGONEK)
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EXPECT_EQ(s.erase(11, 2).get(), "ÜberHäus\u0119");
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EXPECT_TRUE(s.starts_with("Üb"));
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EXPECT_FALSE(s.starts_with("Üx"));
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EXPECT_TRUE(s.ends_with("s\u0119"));
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EXPECT_FALSE(s.ends_with("ss\u0119"));
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EXPECT_EQ(s.find("Über"), 0u);
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EXPECT_EQ(s.find("ber"), 2u);
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EXPECT_EQ(s.find("über"), UTF8::nfc_string::npos);
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EXPECT_EQ(s.find("Übel"), UTF8::nfc_string::npos);
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}
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TEST(NfcTestString, Exceptions)
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{
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pEp::nfc_string s;
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EXPECT_THROW(s = "Meep\xc0\x80.", pEp::illegal_utf);
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EXPECT_THROW(s += '\377', pEp::illegal_utf);
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}
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