Modified java wrapping mechanism

modules/core/misc/java/test/DMatchTest.java

@@ -0,0 +1,44 @@
+package org.opencv.test.core;
+
+import org.opencv.core.DMatch;
+
+import junit.framework.TestCase;
+
+public class DMatchTest extends TestCase {
+    public void testDMatch() {
+        new DMatch();
+    }
+
+    public void testDMatchIntIntFloat() {
+        DMatch dm1 = new DMatch(1, 4, 4.0f);
+
+        assertEquals(1, dm1.queryIdx);
+        assertEquals(4, dm1.trainIdx);
+        assertEquals(4.0f, dm1.distance);
+    }
+
+    public void testDMatchIntIntIntFloat() {
+        DMatch dm2 = new DMatch(2, 6, -1, 8.0f);
+
+        assertEquals(2, dm2.queryIdx);
+        assertEquals(6, dm2.trainIdx);
+        assertEquals(-1, dm2.imgIdx);
+        assertEquals(8.0f, dm2.distance);
+    }
+
+    public void testLessThan() {
+        DMatch dm1 = new DMatch(1, 4, 4.0f);
+        DMatch dm2 = new DMatch(2, 6, -1, 8.0f);
+        assertTrue(dm1.lessThan(dm2));
+    }
+
+    public void testToString() {
+        DMatch dm2 = new DMatch(2, 6, -1, 8.0f);
+
+        String actual = dm2.toString();
+
+        String expected = "DMatch [queryIdx=2, trainIdx=6, imgIdx=-1, distance=8.0]";
+        assertEquals(expected, actual);
+    }
+
+}