java tests: added 2 tests for calib3d, implemented assertMatNotEqual

modules/java/android_test/src/org/opencv/test/OpenCVTestCase.java

@@ -30,7 +30,8 @@ public class OpenCVTestCase extends TestCase {
 	protected static Mat gray255;    
 	protected static Mat grayRnd;
     
-	protected static Mat gray_16u_256;    
+	protected static Mat gray_16u_256;
+	protected static Mat gray_16s_1024;
     
 	protected static Mat gray0_32f;
 	protected static Mat gray1_32f;
@@ -71,6 +72,7 @@ public class OpenCVTestCase extends TestCase {
         gray255 = new Mat(matSize, matSize, CvType.CV_8U); gray255.setTo(new Scalar(255.0));
         
         gray_16u_256 = new Mat(matSize, matSize, CvType.CV_16U); gray_16u_256.setTo(new Scalar(256));
+        gray_16s_1024 = new Mat(matSize, matSize, CvType.CV_16S); gray_16s_1024.setTo(new Scalar(1024));
         
         Mat low  = new Mat(1, 1, CvType.CV_16UC1, new Scalar(0));
         Mat high = new Mat(1, 1, CvType.CV_16UC1, new Scalar(256));
@@ -119,6 +121,26 @@ public class OpenCVTestCase extends TestCase {
     	}
     }
     
+    public static void assertMatNotEqual(Mat m1, Mat m2) { //TODO: copypasta (see above)
+    	//OpenCVTestRunner.Log(m1.toString());
+    	//OpenCVTestRunner.Log(m2.toString());
+    	
+    	if (!m1.type().equals(m2.type()) || 
+    	    m1.cols() != m2.cols() || m1.rows() != m2.rows()) {
+    		throw new UnsupportedOperationException();
+    	}
+    	else if (m1.channels() == 1) {
+    		assertTrue(CalcPercentageOfDifference(m1, m2) != 0.0);
+    	}
+    	else {
+    		for (int coi = 0; coi < m1.channels(); coi++) {
+    			Mat m1c = getCOI(m1, coi);
+    			Mat m2c = getCOI(m2, coi);
+    			assertTrue(CalcPercentageOfDifference(m1c, m2c) != 0.0);
+    		}
+    	}
+    }
+    
     static private Mat getCOI(Mat m, int coi) {
     	Mat ch = new Mat(m.rows(), m.cols(), m.depth());
     	

modules/java/android_test/src/org/opencv/test/calib3d/calib3dTest.java

 package org.opencv.test.calib3d;
 
+import org.opencv.Point;
+import org.opencv.Scalar;
 import org.opencv.Size;
 import org.opencv.calib3d;
+import org.opencv.core;
 import org.opencv.test.OpenCVTestCase;
-import org.opencv.test.OpenCVTestRunner;
 
 public class calib3dTest extends OpenCVTestCase {
 
@@ -88,7 +90,13 @@ public class calib3dTest extends OpenCVTestCase {
 	}
 
 	public void testFilterSpecklesMatDoubleIntDouble() {
-		fail("Not yet implemented");
+		gray_16s_1024.copyTo(dst);
+	    
+		Point center = new Point(gray_16s_1024.rows()/2., gray_16s_1024.cols()/2.);
+		core.circle(dst, center, 1, Scalar.all(4096));
+		assertMatNotEqual(gray_16s_1024, dst);
+	    calib3d.filterSpeckles(dst, 1024.0, 100, 0.);
+	    assertMatEqual(gray_16s_1024, dst);
 	}
 
 	public void testFilterSpecklesMatDoubleIntDoubleMat() {
@@ -102,7 +110,10 @@ public class calib3dTest extends OpenCVTestCase {
 	}
 
 	public void testFindChessboardCornersMatSizeMatInt() {
-		fail("Not yet implemented");//CALIB_CB_ADAPTIVE_THRESH + CALIB_CB_NORMALIZE_IMAGE + CALIB_CB_FAST_CHECK
+		Size patternSize = new Size(9, 6);
+		calib3d.findChessboardCorners(grayChess, patternSize, dst, calib3d.CALIB_CB_ADAPTIVE_THRESH 
+				+ calib3d.CALIB_CB_NORMALIZE_IMAGE + calib3d.CALIB_CB_FAST_CHECK);
+		assertTrue(!dst.empty());
 	}
 
 	public void testFindFundamentalMatMatMat() {