Clean up linear serialization tests

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@780521 13f79535-47bb-0310-9956-ffa450edef68

src/test/org/apache/commons/math/linear/DenseFieldMatrixTest.java

@@ -1252,25 +1252,9 @@ public final class DenseFieldMatrixTest extends TestCase {
 
     }
 
-    @SuppressWarnings("unchecked")
     public void testSerial()  {
-        try {
-            File test = File.createTempFile("DFM",".ser");
-            ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(test));
         DenseFieldMatrix<Fraction> m = new DenseFieldMatrix<Fraction>(testData);
-            out.writeObject(m);
+        assertEquals(m,TestUtils.serializeAndRecover(m));
-            out.close();
-            ObjectInputStream in = new ObjectInputStream(new FileInputStream(test));
-            DenseFieldMatrix<Fraction> nm = (DenseFieldMatrix<Fraction>)in.readObject();
-            in.close();
-            test.delete();
-            assertEquals(m,nm);
-            
-        } catch (IOException e) {
-            fail("IOException: "+e);
-        } catch (ClassNotFoundException e) {
-            fail("Can't happen: "+e);
-        }
     }
 
     private static class SetVisitor extends DefaultFieldMatrixChangingVisitor<Fraction> {

src/test/org/apache/commons/math/linear/DenseRealMatrixTest.java

@@ -25,6 +25,7 @@ import java.io.ObjectOutputStream;
 import java.util.Arrays;
 import java.util.Random;
 
+import org.apache.commons.math.TestUtils;
 import org.apache.commons.math.linear.decomposition.LUDecompositionImpl;
 import org.apache.commons.math.linear.decomposition.NonSquareMatrixException;
 
@@ -1163,23 +1164,8 @@ public final class DenseRealMatrixTest extends TestCase {
     }
     
     public void testSerial()  {
-        try {
-            File test = File.createTempFile("DRM",".ser");
-            ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(test));
         DenseRealMatrix m = new DenseRealMatrix(testData);
-            out.writeObject(m);
+        assertEquals(m,TestUtils.serializeAndRecover(m));
-            out.close();
-            ObjectInputStream in = new ObjectInputStream(new FileInputStream(test));
-            DenseRealMatrix nm = (DenseRealMatrix)in.readObject();
-            in.close();
-            test.delete();
-            assertEquals(m,nm);
-            
-        } catch (IOException e) {
-            fail("IOException: "+e);
-        } catch (ClassNotFoundException e) {
-            fail("Can't happen: "+e);
-        }
     }
 
     private static class SetVisitor extends DefaultRealMatrixChangingVisitor {

src/test/org/apache/commons/math/linear/FieldMatrixImplTest.java

@@ -939,25 +939,9 @@ public final class FieldMatrixImplTest extends TestCase {
 
     }
 
-    @SuppressWarnings("unchecked")
     public void testSerial()  {
-        try {
-            File test = File.createTempFile("FMI",".ser");
-            ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(test));
         FieldMatrixImpl<Fraction> m = new FieldMatrixImpl<Fraction>(testData);
-            out.writeObject(m);
+        assertEquals(m,TestUtils.serializeAndRecover(m));
-            out.close();
-            ObjectInputStream in = new ObjectInputStream(new FileInputStream(test));
-            FieldMatrixImpl<Fraction> nm = (FieldMatrixImpl<Fraction>)in.readObject();
-            in.close();
-            test.delete();
-            assertEquals(m,nm);
-            
-        } catch (IOException e) {
-            fail("IOException: "+e);
-        } catch (ClassNotFoundException e) {
-            fail("Can't happen: "+e);
-        }
     }
   
     private static class SetVisitor extends DefaultFieldMatrixChangingVisitor<Fraction> {

src/test/org/apache/commons/math/linear/FieldVectorImplTest.java

@@ -31,6 +31,7 @@ import junit.framework.TestSuite;
 
 import org.apache.commons.math.Field;
 import org.apache.commons.math.FieldElement;
+import org.apache.commons.math.TestUtils;
 import org.apache.commons.math.fraction.Fraction;
 import org.apache.commons.math.fraction.FractionField;
 
@@ -618,25 +619,9 @@ public class FieldVectorImplTest extends TestCase {
 
     }
 
-    @SuppressWarnings("unchecked")
     public void testSerial()  {
-        try {
-            File test = File.createTempFile("FVI",".ser");
-            ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(test));
         FieldVectorImpl<Fraction> v = new FieldVectorImpl<Fraction>(vec1);
-            out.writeObject(v);
+        assertEquals(v,TestUtils.serializeAndRecover(v));
-            out.close();
-            ObjectInputStream in = new ObjectInputStream(new FileInputStream(test));
-            FieldVectorImpl<Fraction> nv = (FieldVectorImpl<Fraction>)in.readObject();
-            in.close();
-            test.delete();
-            assertEquals(v,nv);
-            
-        } catch (IOException e) {
-            fail("IOException: "+e);
-        } catch (ClassNotFoundException e) {
-            fail("Can't happen: "+e);
-        }
     }
   
     /** verifies that two vectors are equals */

src/test/org/apache/commons/math/linear/RealMatrixImplTest.java

@@ -942,23 +942,8 @@ public final class RealMatrixImplTest extends TestCase {
     }
 
     public void testSerial()  {
-        try {
-            File test = File.createTempFile("RMI",".ser");
-            ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(test));
         RealMatrixImpl m = new RealMatrixImpl(testData);
-            out.writeObject(m);
+        assertEquals(m,TestUtils.serializeAndRecover(m));
-            out.close();
-            ObjectInputStream in = new ObjectInputStream(new FileInputStream(test));
-            RealMatrixImpl nm = (RealMatrixImpl)in.readObject();
-            in.close();
-            test.delete();
-            assertEquals(m,nm);
-            
-        } catch (IOException e) {
-            fail("IOException: "+e);
-        } catch (ClassNotFoundException e) {
-            fail("Can't happen: "+e);
-        }
     }
     
     

src/test/org/apache/commons/math/linear/RealVectorImplTest.java

@@ -23,6 +23,9 @@ import java.io.IOException;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
 import java.io.Serializable;
+
+import org.apache.commons.math.TestUtils;
+
 import junit.framework.Test;
 import junit.framework.TestCase;
 import junit.framework.TestSuite;
@@ -1176,23 +1179,8 @@ public class RealVectorImplTest extends TestCase {
     }
 
     public void testSerial()  {
-        try {
-            File test = File.createTempFile("RVI",".ser");
-            ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(test));
         RealVectorImpl v = new RealVectorImpl(new double[] { 0, 1, 2 });
-            out.writeObject(v);
+        assertEquals(v,TestUtils.serializeAndRecover(v));
-            out.close();
-            ObjectInputStream in = new ObjectInputStream(new FileInputStream(test));
-            RealVectorImpl nv = (RealVectorImpl)in.readObject();
-            in.close();
-            test.delete();
-            assertEquals(v,nv);
-            
-        } catch (IOException e) {
-            fail("IOException: "+e);
-        } catch (ClassNotFoundException e) {
-            fail("Can't happen: "+e);
-        }
     }
     
     

src/test/org/apache/commons/math/linear/SparseRealMatrixTest.java

@@ -27,6 +27,7 @@ import junit.framework.Test;
 import junit.framework.TestCase;
 import junit.framework.TestSuite;
 
+import org.apache.commons.math.TestUtils;
 import org.apache.commons.math.linear.decomposition.LUDecompositionImpl;
 import org.apache.commons.math.linear.decomposition.NonSquareMatrixException;
 
@@ -649,23 +650,8 @@ public final class SparseRealMatrixTest extends TestCase {
     }
 
     public void testSerial()  {
-        try {
-            File test = File.createTempFile("OMRM",".ser");
-            ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(test));
         OpenMapRealMatrix m = createSparseMatrix(testData);
-            out.writeObject(m);
+        assertEquals(m,TestUtils.serializeAndRecover(m));
-            out.close();
-            ObjectInputStream in = new ObjectInputStream(new FileInputStream(test));
-            OpenMapRealMatrix nm = (OpenMapRealMatrix)in.readObject();
-            in.close();
-            test.delete();
-            assertEquals(m,nm);
-
-        } catch (IOException e) {
-            fail("IOException: "+e);
-        } catch (ClassNotFoundException e) {
-            fail("Can't happen: "+e);
-        }
     }
 
     // --------------- -----------------Protected methods

src/test/org/apache/commons/math/linear/SparseRealVectorTest.java

@@ -23,6 +23,9 @@ import java.io.IOException;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
 import java.io.Serializable;
+
+import org.apache.commons.math.TestUtils;
+
 import junit.framework.Test;
 import junit.framework.TestCase;
 import junit.framework.TestSuite;
@@ -1100,23 +1103,8 @@ public class SparseRealVectorTest extends TestCase {
     }
 
     public void testSerial()  {
-        try {
-            File test = File.createTempFile("OMV",".ser");
-            ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(test));
         OpenMapRealVector v = new OpenMapRealVector(new double[] { 0, 1, 2 });
-            out.writeObject(v);
+        assertEquals(v,TestUtils.serializeAndRecover(v));
-            out.close();
-            ObjectInputStream in = new ObjectInputStream(new FileInputStream(test));
-            OpenMapRealVector nv = (OpenMapRealVector)in.readObject();
-            in.close();
-            test.delete();
-            assertEquals(v,nv);
-            
-        } catch (IOException e) {
-            fail("IOException: "+e);
-        } catch (ClassNotFoundException e) {
-            fail("Can't happen: "+e);
-        }
     }
     
     /** verifies that two vectors are close (sup norm) */