Bring Java SWMR changes from revise_chunks to develop branch

java/test/TestH5Fswmr.java

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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group.                                               *
+ * Copyright by the Board of Trustees of the University of Illinois.         *
+ * All rights reserved.                                                      *
+ *                                                                           *
+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *
+ * terms governing use, modification, and redistribution, is contained in    *
+ * the files COPYING and Copyright.html.  COPYING can be found at the root   *
+ * of the source code distribution tree; Copyright.html can be found at the  *
+ * root level of an installed copy of the electronic HDF5 document set and   *
+ * is linked from the top-level documents page.  It can also be found at     *
+ * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
+ * access to either file, you may request a copy from help@hdfgroup.org.     *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+package test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.File;
+
+import hdf.hdf5lib.H5;
+import hdf.hdf5lib.HDF5Constants;
+import hdf.hdf5lib.exceptions.HDF5LibraryException;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TestName;
+
+public class TestH5Fswmr {
+    @Rule public TestName testname = new TestName();
+    private static final String H5_FILE = "testswmr.h5";
+
+    long H5fid = -1;
+    long H5fapl = -1;
+    long H5fcpl = -1;
+
+    private final void _deleteFile(String filename) {
+        File file = new File(filename);
+
+        if (file.exists()) {
+            try {file.delete();} catch (SecurityException e) {}
+        }
+    }
+
+    @Before
+    public void createH5file()
+            throws HDF5LibraryException, NullPointerException {
+        assertTrue("H5 open ids is 0",H5.getOpenIDCount()==0);
+        System.out.print(testname.getMethodName());
+
+        H5fapl = H5.H5Pcreate(HDF5Constants.H5P_FILE_ACCESS);
+        H5fcpl = H5.H5Pcreate(HDF5Constants.H5P_FILE_CREATE);
+        H5.H5Pset_libver_bounds(H5fapl, HDF5Constants.H5F_LIBVER_LATEST, HDF5Constants.H5F_LIBVER_LATEST);
+
+        H5fid = H5.H5Fcreate(H5_FILE, HDF5Constants.H5F_ACC_TRUNC, H5fcpl, H5fapl);
+        H5.H5Fflush(H5fid, HDF5Constants.H5F_SCOPE_LOCAL);
+    }
+
+    @After
+    public void deleteH5file() throws HDF5LibraryException {
+        if (H5fapl > 0) {
+            try {H5.H5Pclose(H5fapl);} catch (Exception ex) {}
+            H5fapl = -1;
+        }
+        if (H5fcpl > 0) {
+            try {H5.H5Pclose(H5fcpl);} catch (Exception ex) {}
+            H5fcpl = -1;
+        }
+       if (H5fid > 0) {
+            try {H5.H5Fclose(H5fid);} catch (Exception ex) {}
+            H5fid = -1;
+        }
+        _deleteFile(H5_FILE);
+        System.out.println();
+    }
+
+    @Test
+    public void testH5Fstart_swmr_write() {
+        try {
+            H5.H5Fstart_swmr_write(H5fid);
+        }
+        catch (Throwable err) {
+            fail("H5.H5Fstart_swmr_write: " + err);
+        }
+    }
+
+    @Test
+    public void testH5Fswmr_read_attempts() {
+        long read_attempts = 0;
+
+        try {
+            read_attempts = H5.H5Pget_metadata_read_attempts(H5fapl);
+        }
+        catch (Throwable err) {
+            fail("H5.testH5Fswmr_read_attempts: " + err);
+        }
+        assertTrue(read_attempts == 1);
+
+        try {
+            H5.H5Pset_metadata_read_attempts(H5fapl, 20);
+        }
+        catch (Throwable err) {
+            fail("H5.testH5Fswmr_read_attempts: " + err);
+        }
+        try {
+            read_attempts = H5.H5Pget_metadata_read_attempts(H5fapl);
+        }
+        catch (Throwable err) {
+            fail("H5.testH5Fswmr_read_attempts: " + err);
+        }
+        assertTrue(read_attempts == 20);
+    }
+}