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package org.opencv.test.barcode;
import java.util.List;
import org.opencv.core.Mat;
import org.opencv.objdetect.BarcodeDetector;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.test.OpenCVTestCase;
import java.util.ArrayList;
public class BarcodeDetectorTest extends OpenCVTestCase {
private final static String ENV_OPENCV_TEST_DATA_PATH = "OPENCV_TEST_DATA_PATH";
private String testDataPath;
@Override
protected void setUp() throws Exception {
super.setUp();
// relys on https://developer.android.com/reference/java/lang/System
isTestCaseEnabled = System.getProperties().getProperty("java.vm.name") != "Dalvik";
if (isTestCaseEnabled) {
testDataPath = System.getenv(ENV_OPENCV_TEST_DATA_PATH);
if (testDataPath == null)
throw new Exception(ENV_OPENCV_TEST_DATA_PATH + " has to be defined!");
}
}
public void testDetectAndDecode() {
Mat img = Imgcodecs.imread(testDataPath + "/cv/barcode/multiple/4_barcodes.jpg");
assertFalse(img.empty());
BarcodeDetector detector = new BarcodeDetector();
assertNotNull(detector);
List < String > infos = new ArrayList< String >();
List < String > types = new ArrayList< String >();
boolean result = detector.detectAndDecodeWithType(img, infos, types);
assertTrue(result);
assertEquals(infos.size(), 4);
assertEquals(types.size(), 4);
final String[] correctResults = {"9787122276124", "9787118081473", "9787564350840", "9783319200064"};
for (int i = 0; i < 4; i++) {
assertEquals(types.get(i), "EAN_13");
result = false;
for (int j = 0; j < 4; j++) {
if (correctResults[j].equals(infos.get(i))) {
result = true;
break;
}
}
assertTrue(result);
}
}
}
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