java: backport test changes from master

modules/java/test/build.xml

@@ -1,5 +1,7 @@
 <project>
   <property file="ant-${opencv.build.type}.properties"/>
+  <property name="test.dir" value="testResults"/>
+  <property name="build.dir" value="build"/>
 
   <path id="master-classpath">
     <fileset dir="lib">
@@ -12,7 +14,7 @@
 
   <target name="clean">
     <delete dir="build"/>
-    <delete dir="testResults"/>
+    <delete dir="${test.dir}"/>
   </target>
 
   <target name="compile">
@@ -34,8 +36,8 @@
   </target>
 
   <target name="test">
-    <mkdir dir="testResults"/>
-    <junit printsummary="true" haltonfailure="false" haltonerror="false" showoutput="false" logfailedtests="true" maxmemory="256m">
+    <mkdir dir="${test.dir}"/>
+    <junit printsummary="true" haltonfailure="false" haltonerror="false" showoutput="true" logfailedtests="true" maxmemory="256m">
       <sysproperty key="java.library.path" path="${opencv.lib.path}"/>
       <env key="PATH" path="${opencv.lib.path}"/>
       <classpath refid="master-classpath"/>
@@ -45,12 +47,18 @@
 
       <formatter type="xml"/>
 
-      <batchtest fork="yes" todir="testResults">
+      <batchtest fork="yes" todir="${test.dir}">
         <zipfileset src="build/jar/opencv-test.jar" includes="**/*.class" excludes="**/OpenCVTest*">
           <exclude name="**/*$*.class"/>
         </zipfileset>
       </batchtest>
     </junit>
+    <junitreport todir="${test.dir}">
+      <fileset dir="${test.dir}">
+        <include name="TEST-*.xml"/>
+      </fileset>
+      <report format="noframes" todir="${test.dir}"/>
+    </junitreport>
   </target>
 
   <target name="build">

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

@@ -28,6 +28,11 @@ import org.opencv.features2d.KeyPoint;
 import org.opencv.highgui.Highgui;
 
 public class OpenCVTestCase extends TestCase {
+
+    public static class TestSkipException extends RuntimeException {
+        public TestSkipException() {}
+    }
+
     //change to 'true' to unblock fail on fail("Not yet implemented")
     public static final boolean passNYI = true;
 
@@ -212,12 +217,40 @@ public class OpenCVTestCase extends TestCase {
     protected void runTest() throws Throwable {
         // Do nothing if the precondition does not hold.
         if (isTestCaseEnabled) {
-            super.runTest();
+            try {
+                super.runTest();
+            } catch (TestSkipException ex) {
+                OpenCVTestRunner.Log(TAG + " :: " + "Test case \"" + this.getClass().getName() + "\" skipped!");
+                assertTrue(true);
+            }
         } else {
             OpenCVTestRunner.Log(TAG + " :: " + "Test case \"" + this.getClass().getName() + "\" disabled!");
         }
     }
 
+    public void runBare() throws Throwable {
+        Throwable exception = null;
+        try {
+            setUp();
+        } catch (TestSkipException ex) {
+            OpenCVTestRunner.Log(TAG + " :: " + "Test case \"" + this.getClass().getName() + "\" skipped!");
+            assertTrue(true);
+            return;
+        }
+        try {
+            runTest();
+        } catch (Throwable running) {
+            exception = running;
+        } finally {
+            try {
+                tearDown();
+            } catch (Throwable tearingDown) {
+                if (exception == null) exception = tearingDown;
+            }
+        }
+        if (exception != null) throw exception;
+    }
+
     protected Mat getMat(int type, double... vals)
     {
         return new Mat(matSize, matSize, type, new Scalar(vals));
@@ -235,6 +268,10 @@ public class OpenCVTestCase extends TestCase {
         TestCase.fail(msg);
     }
 
+    public static void assertGE(double v1, double v2) {
+        assertTrue("Failed: " + v1 + " >= " + v2, v1 >= v2);
+    }
+
     public static <E extends Number> void assertListEquals(List<E> list1, List<E> list2) {
         if (list1.size() != list2.size()) {
             throw new UnsupportedOperationException();
@@ -449,10 +486,10 @@ public class OpenCVTestCase extends TestCase {
 
         if (isEqualityMeasured)
             assertTrue("Max difference between expected and actiual Mats is "+ maxDiff + ", that bigger than " + eps,
-                    Core.checkRange(diff, true, 0.0, eps));
+                    maxDiff <= eps);
         else
             assertFalse("Max difference between expected and actiual Mats is "+ maxDiff + ", that less than " + eps,
-                    Core.checkRange(diff, true, 0.0, eps));
+                    maxDiff <= eps);
     }
 
     protected static String readFile(String path) {