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https://github.com/tesseract-ocr/tesseract.git
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d04133f07e
They were provided by Jeff Breidenbach <jbreiden@google.com>. Signed-off-by: Stefan Weil <sw@weilnetz.de>
72 lines
2.8 KiB
C++
72 lines
2.8 KiB
C++
#ifndef TESSERACT_UNITTEST_NORMSTRNGS_TEST_H_
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#define TESSERACT_UNITTEST_NORMSTRNGS_TEST_H_
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#include <string>
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#include <vector>
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#include "base/stringprintf.h"
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#include "absl/strings/str_cat.h"
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#include "absl/strings/str_join.h"
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#include "tesseract/ccutil/unichar.h"
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namespace tesseract {
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inline string CodepointList(const std::vector<char32>& str32) {
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string result;
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int total_chars = str32.size();
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for (int i = 0; i < total_chars; ++i) {
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StringAppendF(&result, "[%x]", str32[i]);
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}
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return result;
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}
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inline string PrintString32WithUnicodes(const string& str) {
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std::vector<char32> str32 = UNICHAR::UTF8ToUTF32(str.c_str());
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return absl::StrCat("\"", str, "\" ", CodepointList(str32));
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}
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inline string PrintStringVectorWithUnicodes(const std::vector<string>& glyphs) {
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string result;
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for (const auto& s : glyphs) {
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absl::StrAppend(&result, "Glyph:", PrintString32WithUnicodes(s), "\n");
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}
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return result;
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}
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inline void ExpectGraphemeModeResults(const string& str, UnicodeNormMode u_mode,
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int unicode_count, int glyph_count,
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int grapheme_count,
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const string& target_str) {
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std::vector<string> glyphs;
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EXPECT_TRUE(NormalizeCleanAndSegmentUTF8(
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u_mode, OCRNorm::kNone, GraphemeNormMode::kIndividualUnicodes, true,
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str.c_str(), &glyphs));
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EXPECT_EQ(glyphs.size(), unicode_count)
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<< PrintStringVectorWithUnicodes(glyphs);
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EXPECT_EQ(target_str, absl::StrJoin(glyphs.begin(), glyphs.end(), ""));
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EXPECT_TRUE(NormalizeCleanAndSegmentUTF8(u_mode, OCRNorm::kNone,
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GraphemeNormMode::kGlyphSplit, true,
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str.c_str(), &glyphs));
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EXPECT_EQ(glyphs.size(), glyph_count)
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<< PrintStringVectorWithUnicodes(glyphs);
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EXPECT_EQ(target_str, absl::StrJoin(glyphs.begin(), glyphs.end(), ""));
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EXPECT_TRUE(NormalizeCleanAndSegmentUTF8(u_mode, OCRNorm::kNone,
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GraphemeNormMode::kCombined, true,
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str.c_str(), &glyphs));
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EXPECT_EQ(glyphs.size(), grapheme_count)
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<< PrintStringVectorWithUnicodes(glyphs);
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EXPECT_EQ(target_str, absl::StrJoin(glyphs.begin(), glyphs.end(), ""));
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EXPECT_TRUE(NormalizeCleanAndSegmentUTF8(u_mode, OCRNorm::kNone,
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GraphemeNormMode::kSingleString,
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true, str.c_str(), &glyphs));
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EXPECT_EQ(glyphs.size(), 1) << PrintStringVectorWithUnicodes(glyphs);
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EXPECT_EQ(target_str, glyphs[0]);
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string result;
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EXPECT_TRUE(NormalizeUTF8String(
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u_mode, OCRNorm::kNone, GraphemeNorm::kNormalize, str.c_str(), &result));
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EXPECT_EQ(target_str, result);
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}
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} // namespace tesseract
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#endif // TESSERACT_UNITTEST_NORMSTRNGS_TEST_H_
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