tesseract/unittest/validate_myanmar_test.cc
2021-03-13 00:06:34 +03:00

53 lines
2.5 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 {
// Test some random Myanmar words.
TEST(ValidateMyanmarTest, GoodMyanmarWords) {
std::string str = "လျှာကသိသည် "; // No viramas in this one.
ExpectGraphemeModeResults(str, UnicodeNormMode::kNFC, 11, 11, 5, str);
str = "တုန္လႈပ္မႈ ";
ExpectGraphemeModeResults(str, UnicodeNormMode::kNFC, 11, 9, 4, str);
}
// Test some random Myanmar words with dotted circles.
TEST(ValidateMyanmarTest, BadMyanmarWords) {
std::string str = "က်န္းမာေရး";
std::vector<std::string> glyphs;
EXPECT_FALSE(NormalizeCleanAndSegmentUTF8(UnicodeNormMode::kNFC, OCRNorm::kNone,
GraphemeNormMode::kCombined, true, str.c_str(),
&glyphs));
std::string result;
EXPECT_FALSE(NormalizeUTF8String(UnicodeNormMode::kNFC, OCRNorm::kNone, GraphemeNorm::kNormalize,
str.c_str(), &result));
// It works if the grapheme normalization is turned off.
EXPECT_TRUE(NormalizeUTF8String(UnicodeNormMode::kNFC, OCRNorm::kNone, GraphemeNorm::kNone,
str.c_str(), &result));
EXPECT_EQ(str, result);
str = "ခုႏွစ္";
EXPECT_FALSE(NormalizeCleanAndSegmentUTF8(UnicodeNormMode::kNFC, OCRNorm::kNone,
GraphemeNormMode::kGlyphSplit, true, str.c_str(),
&glyphs));
EXPECT_FALSE(NormalizeUTF8String(UnicodeNormMode::kNFC, OCRNorm::kNone, GraphemeNorm::kNormalize,
str.c_str(), &result));
// It works if the grapheme normalization is turned off.
EXPECT_TRUE(NormalizeUTF8String(UnicodeNormMode::kNFC, OCRNorm::kNone, GraphemeNorm::kNone,
str.c_str(), &result));
EXPECT_EQ(str, result);
}
} // namespace tesseract