Added some tests; Added assertion for comparing Mats with epsilon.

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

@@ -4,6 +4,7 @@ import junit.framework.TestCase;
 
 import org.opencv.core.CvType;
 import org.opencv.core.Mat;
+import org.opencv.core.Point;
 import org.opencv.core.Scalar;
 import org.opencv.core.Core;
 import org.opencv.highgui.Highgui;
@@ -124,6 +125,14 @@ public class OpenCVTestCase extends TestCase {
         compareMats(m1, m2, false);
     }
     
+    public static void assertMatEqual(Mat expected, Mat actual, double eps){
+        compareMats(expected, actual, eps, true);
+    }
+    
+    public static void assertMatNotEqual(Mat expected, Mat actual, double eps){
+        compareMats(expected, actual, eps, false);
+    }
+
     static private void compareMats(Mat m1, Mat m2, boolean isEqualityMeasured) {
         // OpenCVTestRunner.Log(m1.toString());
         // OpenCVTestRunner.Log(m2.toString());
@@ -150,6 +159,22 @@ public class OpenCVTestCase extends TestCase {
         }
     }
     
+    static private void compareMats(Mat expected, Mat actual, double eps, boolean isEqualityMeasured) {
+        if (expected.type() != actual.type() || expected.cols() != actual.cols()
+                || expected.rows() != actual.rows()) {
+            throw new UnsupportedOperationException();
+        }
+        Mat diff = new Mat();
+        Core.absdiff(expected, actual, diff);
+        OpenCVTestRunner.Log(diff + "     \n    " + diff.dump());
+        if(isEqualityMeasured)
+            assertTrue("Max difference between expected and actiual values is bigger than " + eps,
+                    Core.checkRange(diff, true, new Point(), 0.0, eps));
+        else
+            assertFalse("Max difference between expected and actiual values is less than " + eps,
+                    Core.checkRange(diff, true, new Point(), 0.0, eps));
+    }
+
     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

@@ -341,7 +341,21 @@ public class calib3dTest extends OpenCVTestCase {
     }
 
     public void testRodriguesMatMat() {
-        fail("Not yet implemented");
+        Mat r = new Mat(3,1,CvType.CV_32F);
+        Mat R = new Mat(3,3,CvType.CV_32F);
+        
+        r.put(0, 0, Math.PI, 0, 0);
+        
+        Calib3d.Rodrigues(r, R);
+        
+        truth = new Mat(3,3,CvType.CV_32F);
+        truth.put(0, 0, 1, 0 ,0, 0, -1, 0, 0, 0, -1);
+        assertMatEqual(truth, R, EPS);
+        
+        Mat r2 = new Mat();
+        Calib3d.Rodrigues(R, r2);
+        
+        assertMatEqual(r, r2, EPS);
     }
 
     public void testRodriguesMatMatMat() {

modules/java/android_test/src/org/opencv/test/core/coreTest.java

@@ -2,8 +2,6 @@ package org.opencv.test.core;
 
 import java.util.ArrayList;
 
-import org.hamcrest.core.IsInstanceOf;
-import org.junit.internal.runners.statements.ExpectException;
 import org.opencv.core.CvException;
 import org.opencv.core.CvType;
 import org.opencv.core.Mat;