tesseract/unittest/validate_khmer_test.cc
Stefan Weil d67287a5d9 unittest: Fix and enable validate_khmer_test
Signed-off-by: Stefan Weil <sw@weilnetz.de>
2019-01-23 13:54:27 +01:00

53 lines
2.2 KiB
C++

// (C) Copyright 2017, Google Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "include_gunit.h"
#include "normstrngs.h"
#include "normstrngs_test.h"
namespace tesseract {
namespace {
// Test some random Khmer words.
TEST(ValidateKhmerTest, GoodKhmerWords) {
std::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) {
std::string result;
// Multiple dependent vowels not allowed
std::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