Add missing accumulator test.

test/accum_swmr_reader.c

@@ -0,0 +1,99 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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.     *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+#include "h5test.h"
+
+#define H5F_FRIEND		/*suppress error about including H5Fpkg	  */
+#define H5FD_FRIEND		/*suppress error about including H5FDpkg	  */
+#define H5FD_TESTING
+
+#include "H5Fpkg.h"
+#include "H5FDpkg.h"
+#include "H5Iprivate.h"
+
+/* Filename: this is the same as the define in accum.c used by test_swmr_write_big() */
+#define SWMR_FILENAME "accum_swmr_big.h5"
+
+
+/*-------------------------------------------------------------------------
+ * Function:    main
+ * 
+ * Purpose:     This is the reader forked/execved by "test_swmr_write_big()" 
+ *		        test in accum.c.  The reader reads at address 1024 from the file
+ *		        and verifies that the metadata in the accumulator at address
+ * 		        1024 does get written to disk.
+ * 
+ * Return:      Success: EXIT_SUCCESS
+ *              Failure: EXIT_FAILURE
+ * 
+ * Programmer:  Vailin Choi; June 2013
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+main(void)
+{
+    hid_t fid = -1;	        /* File ID */
+    hid_t fapl = -1;        /* file access property list ID */
+    H5F_t *f = NULL;	    /* File pointer */
+    unsigned u;		        /* Local index variable */
+    uint8_t rbuf[1024];	    /* Buffer for reading */
+    uint8_t buf[1024];	    /* Buffer for holding the expected data */
+    char *driver = NULL;    /* VFD string (from env variable) */
+
+    /* Skip this test if SWMR I/O is not supported for the VFD specified
+     * by the environment variable.
+     */
+    driver = HDgetenv("HDF5_DRIVER");
+    if(!H5FD_supports_swmr_test(driver)) {
+        return EXIT_SUCCESS;
+    }
+
+    /* Initialize buffers */
+    for(u = 0; u < 1024; u++) {
+        rbuf[u] = 0;	/* The buffer for reading */
+        buf[u] = 1;	/* The expected data should be all 1s */
+    }
+
+    if((fapl = h5_fileaccess()) < 0)
+        FAIL_STACK_ERROR
+
+    /* Open the file with SWMR_READ */
+    if((fid = H5Fopen(SWMR_FILENAME, H5F_ACC_RDONLY | H5F_ACC_SWMR_READ, fapl)) < 0)
+	    FAIL_STACK_ERROR
+
+    /* Get H5F_t * to internal file structure */
+    if(NULL == (f = (H5F_t *)H5I_object(fid))) 
+	    FAIL_STACK_ERROR
+
+    /* Should read in [1024, 2024] with buf data */
+    if(H5F_block_read(f, H5FD_MEM_DEFAULT, (haddr_t)1024, (size_t)1024, H5AC_ind_read_dxpl_id, rbuf) < 0)
+	    FAIL_STACK_ERROR;
+
+    /* Verify the data read is correct */
+    if(HDmemcmp(buf, rbuf, (size_t)1024) != 0) 
+	    TEST_ERROR;
+
+    /* CLose the file */
+    if(H5Pclose(fapl) < 0)
+	    FAIL_STACK_ERROR;
+    if(H5Fclose(fid) < 0)
+	    FAIL_STACK_ERROR;
+
+    return EXIT_SUCCESS;
+
+error: 
+    H5Fclose(fid);
+    return EXIT_FAILURE;
+} /* end main() */
+