Function ExpectHelloWorldDigits

tests/ocr_test.cpp:17–22

}

void ExpectHelloWorldDigits(const std::wstring &text) {
    const std::wstring normalized_letters = test_support::NormalizeOcrLetters(text);
    const std::wstring digits = test_support::ExtractDigits(text);
    EXPECT_LE(test_support::EditDistance(normalized_letters, L"helloworld"), 3u) << "normalized letters differ too much";
    EXPECT_NE(digits.find(L"12345"), wstring::npos) << "missing digit anchor 12345";
}

std::string WideToUtf8(const std::wstring &text) {
    if (text.empty())