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67f706f9ef
Use the Google C++ Testing Framework instead of calling fprint / exit. Signed-off-by: Stefan Weil <sw@weilnetz.de>
57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
///////////////////////////////////////////////////////////////////////
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// File: apiexample_test.cc
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// Description: Api Example for Tesseract.
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// Author: ShreeDevi Kumar
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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///////////////////////////////////////////////////////////////////////
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#include "gtest/gtest.h"
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#include "baseapi.h"
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#include "leptonica/allheaders.h"
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#include <iostream>
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#include <string>
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#include <fstream>
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#include <locale>
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TEST(TesseractTest, ApiExample)
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{
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char *outText;
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std::locale loc("C"); // You can also use "" for the default system locale
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std::ifstream file("../testing/phototest.txt");
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file.imbue(loc); // Use it for file input
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std::string gtText((std::istreambuf_iterator<char>(file)),
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std::istreambuf_iterator<char>());
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tesseract::TessBaseAPI *api = new tesseract::TessBaseAPI();
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// Initialize tesseract-ocr with English, without specifying tessdata path
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ASSERT_FALSE(api->Init(nullptr, "eng")) << "Could not initialize tesseract.";
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// Open input image with leptonica library
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Pix *image = pixRead("../testing/phototest.tif");
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ASSERT_TRUE(image != nullptr) << "Failed to read test image.";
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api->SetImage(image);
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// Get OCR result
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outText = api->GetUTF8Text();
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ASSERT_EQ(gtText,outText) << "Phototest.tif with default values OCR does not match ground truth";
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// Destroy used object and release memory
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api->End();
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delete [] outText;
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pixDestroy(&image);
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}
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int main(int argc, char **argv) {
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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