tesseract/unittest/validate_khmer_test.cc

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#include "tesseract/training/normstrngs.h"
#include "tesseract/unittest/normstrngs_test.h"
namespace tesseract {
namespace {
// Test some random Khmer words.
TEST(ValidateKhmerTest, GoodKhmerWords) {
string str = "ព័ត៏មានប្លែកៗ";
ExpectGraphemeModeResults(str, UnicodeNormMode::kNFC, 13, 12, 7, str);
str = "ទំនុកច្រៀង";
ExpectGraphemeModeResults(str, UnicodeNormMode::kNFC, 10, 9, 5, str);
str = "កាលីហ្វូញ៉ា";
ExpectGraphemeModeResults(str, UnicodeNormMode::kNFC, 11, 10, 4, str);
str = "ចាប់ពីផ្លូវ";
ExpectGraphemeModeResults(str, UnicodeNormMode::kNFC, 11, 10, 5, str);
}
// Test some random Khmer words with dotted circles.
TEST(ValidateKhmerTest, BadKhmerWords) {
string result;
// Multiple dependent vowels not allowed
string str = "\u1796\u17b6\u17b7";
EXPECT_FALSE(NormalizeUTF8String(UnicodeNormMode::kNFC, OCRNorm::kNone,
GraphemeNorm::kNormalize, str.c_str(),
&result));
// Multiple shifters not allowed
str = "\u1798\u17c9\u17ca";
EXPECT_FALSE(NormalizeUTF8String(UnicodeNormMode::kNFC, OCRNorm::kNone,
GraphemeNorm::kNormalize, str.c_str(),
&result));
// Multiple signs not allowed
str = "\u1780\u17b6\u17cb\u17cd";
EXPECT_FALSE(NormalizeUTF8String(UnicodeNormMode::kNFC, OCRNorm::kNone,
GraphemeNorm::kNormalize, str.c_str(),
&result));
}
} // namespace
} // namespace tesseract