1 files changed, 143 insertions, 0 deletions

diff --git a/java/test/TestH5.java b/java/test/TestH5.java
index 2bee075..9b2a1d3 100644
--- a/java/test/TestH5.java
+++ b/java/test/TestH5.java
@@ -22,12 +22,17 @@ import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
+import java.io.FileReader;
+import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
+import java.io.Reader;
+import java.io.StreamTokenizer;
 
 import hdf.hdf5lib.H5;
 import hdf.hdf5lib.HDF5Constants;
+import hdf.hdf5lib.exceptions.HDF5LibraryException;
 
 import org.junit.After;
 import org.junit.Before;
@@ -50,6 +55,81 @@ public class TestH5 {
     public void nextTestName() {
         System.out.println();
     }
+    private static final String H5_FILE = "testData.h5";
+    private static final String EXPORT_FILE = "testExport.txt";
+    private static final int DIM_X = 4;
+    private static final int DIM_Y = 6;
+    private static final int RANK = 2;
+    long H5fid = -1;
+    long H5dsid = -1;
+    long H5did = -1;
+    long[] H5dims = { DIM_X, DIM_Y };
+
+    private final void _deleteFile(String filename) {
+        File file = null;
+        try {
+            file = new File(filename);
+        }
+        catch (Throwable err) {}
+
+        if (file.exists()) {
+            try {file.delete();} catch (SecurityException e) {}
+        }
+    }
+
+    private final long _createDataset(long fid, long dsid, String name, long dapl) {
+        long did = -1;
+        try {
+            did = H5.H5Dcreate(fid, name, HDF5Constants.H5T_STD_I32LE, dsid,
+                    HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT, dapl);
+        }
+        catch (Throwable err) {
+            err.printStackTrace();
+            fail("H5.H5Dcreate: " + err);
+        }
+        assertTrue("TestH5._createDataset: ", did > 0);
+
+        return did;
+    }
+
+    private final void _createH5File() {
+        try {
+            H5fid = H5.H5Fcreate(H5_FILE, HDF5Constants.H5F_ACC_TRUNC,
+                    HDF5Constants.H5P_DEFAULT, HDF5Constants.H5P_DEFAULT);
+            H5dsid = H5.H5Screate_simple(2, H5dims, null);
+            H5did = _createDataset(H5fid, H5dsid, "dset", HDF5Constants.H5P_DEFAULT);
+        }
+        catch (Throwable err) {
+            err.printStackTrace();
+            fail("TestH5Pfapl.createH5file: " + err);
+        }
+        assertTrue("TestH5.createH5file: H5.H5Fcreate: ", H5fid > 0);
+        assertTrue("TestH5.createH5file: H5.H5Screate_simple: ", H5dsid > 0);
+        assertTrue("TestH5.createH5file: _createDataset: ", H5did > 0);
+
+        try {
+            H5.H5Fflush(H5fid, HDF5Constants.H5F_SCOPE_LOCAL);
+        }
+        catch (Throwable err) {
+            err.printStackTrace();
+        }
+    }
+
+    public final void _closeH5File() throws HDF5LibraryException {
+        if (H5did >= 0)
+            try {H5.H5Dclose(H5did);} catch (Exception ex) {}
+        if (H5dsid > 0)
+            try {H5.H5Sclose(H5dsid);} catch (Exception ex) {}
+        if (H5fid > 0)
+            try {H5.H5Fclose(H5fid);} catch (Exception ex) {}
+        H5fid = -1;
+        H5dsid = -1;
+        H5did = -1;
+    }
+
+    public final void _deleteH5file() {
+        _deleteFile(H5_FILE);
+    }
 
     /**
      * Test method for {@link hdf.hdf5lib.H5#J2C(int)}.
@@ -268,4 +348,67 @@ public class TestH5 {
             fail("Exception thrown during test: " + ex.toString());
         }
     }
+
+    @Test
+    public void testH5export_dataset() {
+        int[][] dset_data = new int[DIM_X][DIM_Y];
+        int[][] dset_indata = new int[DIM_X][DIM_Y];
+        int FILLVAL = 99;
+
+        _createH5File();
+
+        // Initialize the dataset.
+        for (int indx = 0; indx < DIM_X; indx++)
+            for (int jndx = 0; jndx < DIM_Y; jndx++)
+                dset_data[indx][jndx] = FILLVAL;
+
+        try {
+            if (H5did >= 0)
+                H5.H5Dwrite(H5did, HDF5Constants.H5T_STD_I32LE,
+                        HDF5Constants.H5S_ALL, HDF5Constants.H5S_ALL,
+                        HDF5Constants.H5P_DEFAULT, dset_data);
+        }
+        catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        _closeH5File();
+
+        try {
+            H5.H5export_dataset(EXPORT_FILE, H5_FILE, "/dset", 99);
+        }
+        catch (HDF5LibraryException err) {
+            err.printStackTrace();
+            fail("H5export_dataset failed: " + err);
+        }
+
+        File file = new File(EXPORT_FILE);
+
+        try {
+            Reader reader = new FileReader(EXPORT_FILE);
+            StreamTokenizer streamTokenizer = new StreamTokenizer(reader);
+            int indx = 0;
+            int jndx = 0;
+            while(streamTokenizer.nextToken() != StreamTokenizer.TT_EOF){
+                if(streamTokenizer.ttype == StreamTokenizer.TT_NUMBER) {
+                    dset_indata[indx][jndx] = (int)streamTokenizer.nval;
+                    jndx++;
+                    if (jndx >= DIM_Y) {
+                        jndx = 0;
+                        indx++;
+                    }
+                }
+            }
+            reader.close();
+        }
+        catch (IOException err) {
+            err.printStackTrace();
+            fail("read file failed: " + err);
+        }
+        for(int row = 0; row < DIM_X; row++)
+            for(int col = 0; col < DIM_Y; col++) {
+                assertTrue("H5export_dataset: <"+row+","+col+">"+dset_indata[row][col]+"=99", dset_indata[row][col]==99);
+            }
+        _deleteH5file();
+    }
 }