[svn-r1690] Added VL string test code.

1 files changed, 259 insertions, 0 deletions

diff --git a/test/tvlstr.c b/test/tvlstr.c
new file mode 100644
index 0000000..a227aa6
--- /dev/null
+++ b/test/tvlstr.c
@@ -0,0 +1,259 @@
+/****************************************************************************
+ * NCSA HDF								                                    *
+ * Software Development Group						                        *
+ * National Center for Supercomputing Applications			                *
+ * University of Illinois at Urbana-Champaign				                *
+ * 605 E. Springfield, Champaign IL 61820				                    *
+ *									                                        *
+ * For conditions of distribution and use, see the accompanying		        *
+ * hdf/COPYING file.							                            *
+ *									                                        *
+ ****************************************************************************/
+
+#ifdef RCSID
+static char		RcsId[] = "$Revision$";
+#endif
+
+/* $Id$ */
+
+/***********************************************************
+*
+* Test program:	 tvlstr
+*
+* Test the Variable-Length String functionality
+*
+*************************************************************/
+
+#include <testhdf5.h>
+
+#include <hdf5.h>
+
+#define FILE   "tvlstr.h5"
+
+/* 1-D dataset with fixed dimensions */
+#define SPACE1_NAME  "Space1"
+#define SPACE1_RANK	1
+#define SPACE1_DIM1	4
+
+/* 2-D dataset with fixed dimensions */
+#define SPACE2_NAME  "Space2"
+#define SPACE2_RANK	2
+#define SPACE2_DIM1	10
+#define SPACE2_DIM2	10
+
+void *test_vlstr_alloc_custom(size_t size, void *info);
+void test_vlstr_free_custom(void *mem, void *info);
+
+/****************************************************************
+**
+**  test_vlstr_alloc_custom(): Test VL datatype custom memory
+**      allocation routines.  This routine just uses malloc to
+**      allocate the memory and increments the amount of memory
+**      allocated.
+** 
+****************************************************************/
+void *test_vlstr_alloc_custom(size_t size, void *info)
+{
+    void *ret_value=NULL;       /* Pointer to return */
+    int *mem_used=(int *)info;  /* Get the pointer to the memory used */
+    size_t extra;               /* Extra space needed */
+
+    /*
+     *  This weird contortion is required on the DEC Alpha to keep the
+     *  alignment correct - QAK
+     */
+    extra=MAX(sizeof(void *),sizeof(int));
+
+    if((ret_value=HDmalloc(extra+size))!=NULL) {
+        *(int *)ret_value=size;
+        *mem_used+=size;
+    } /* end if */
+    ret_value=((unsigned char *)ret_value)+extra;
+    return(ret_value);
+}
+
+/****************************************************************
+**
+**  test_vlstr_free_custom(): Test VL datatype custom memory
+**      allocation routines.  This routine just uses free to
+**      release the memory and decrements the amount of memory
+**      allocated.
+** 
+****************************************************************/
+void test_vlstr_free_custom(void *_mem, void *info)
+{
+    unsigned char *mem;
+    int *mem_used=(int *)info;  /* Get the pointer to the memory used */
+    size_t extra;               /* Extra space needed */
+
+    /*
+     *  This weird contortion is required on the DEC Alpha to keep the
+     *  alignment correct - QAK
+     */
+    extra=MAX(sizeof(void *),sizeof(int));
+
+    if(_mem!=NULL) {
+        mem=((unsigned char *)_mem)-extra;
+        *mem_used-=*(int *)mem;
+        HDfree(mem);
+    } /* end if */
+}
+
+/****************************************************************
+**
+**  test_vlstrings_basic(): Test basic VL string code.
+**      Tests simple VL string I/O
+** 
+****************************************************************/
+static void
+test_vlstrings_basic(void)
+{
+    const char *wdata[SPACE1_DIM1]= {
+        "Four score and seven years ago our forefathers brought forth on this continent a new nation,",
+        "conceived in liberty and dedicated to the proposition that all men are created equal.",
+        "Now we are engaged in a great civil war,",
+        "testing whether that nation or any nation so conceived and so dedicated can long endure."
+        };   /* Information to write */
+    char *rdata[SPACE1_DIM1];   /* Information read in */
+    hid_t		fid1;		/* HDF5 File IDs		*/
+    hid_t		dataset;	/* Dataset ID			*/
+    hid_t		sid1;       /* Dataspace ID			*/
+    hid_t		tid1;       /* Datatype ID			*/
+    hid_t       xfer_pid;   /* Dataset transfer property list ID */
+    hsize_t		dims1[] = {SPACE1_DIM1};
+    hsize_t     size;       /* Number of bytes which will be used */
+    uintn       i;          /* counting variable */
+    int         str_used;   /* String data in memory */
+    int         mem_used=0; /* Memory used during allocation */
+    herr_t		ret;		/* Generic return value		*/
+
+    /* Output message about test being performed */
+    MESSAGE(5, ("Testing Basic VL String Functionality\n"));
+
+    /* Create file */
+    fid1 = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
+    CHECK(fid1, FAIL, "H5Fcreate");
+
+    /* Create dataspace for datasets */
+    sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL);
+    CHECK(sid1, FAIL, "H5Screate_simple");
+
+    /* Create a datatype to refer to */
+    tid1 = H5Tcopy (H5T_C_S1);
+    CHECK(tid1, FAIL, "H5Tcopy");
+
+    ret = H5Tset_size (tid1,H5T_VARIABLE);
+    CHECK(ret, FAIL, "H5Tset_size");
+
+    /* Create a dataset */
+    dataset=H5Dcreate(fid1,"Dataset1",tid1,sid1,H5P_DEFAULT);
+    CHECK(dataset, FAIL, "H5Dcreate");
+
+    /* Write dataset to disk */
+    ret=H5Dwrite(dataset,tid1,H5S_ALL,H5S_ALL,H5P_DEFAULT,wdata);
+    CHECK(ret, FAIL, "H5Dwrite");
+
+    /* Change to the custom memory allocation routines for reading VL string */
+    xfer_pid=H5Pcreate(H5P_DATA_XFER);
+    CHECK(xfer_pid, FAIL, "H5Pcreate");
+
+    ret=H5Pset_vlen_mem_manager(xfer_pid,test_vlstr_alloc_custom,&mem_used,test_vlstr_free_custom,&mem_used);
+    CHECK(ret, FAIL, "H5Pset_vlen_mem_manager");
+
+    /* Make certain the correct amount of memory will be used */
+    ret=H5Dvlen_get_buf_size(dataset,tid1,sid1,&size);
+    CHECK(ret, FAIL, "H5Dvlen_get_buf_size");
+
+    /* Count the actual number of bytes used by the strings */
+    for(i=0,str_used=0; i<SPACE1_DIM1; i++)
+        str_used+=strlen(wdata[i])+1;
+
+    /* Compare against the strings actually written */
+    VERIFY(size,(hsize_t)str_used,"H5Dvlen_get_buf_size");
+
+    /* Read dataset from disk */
+    ret=H5Dread(dataset,tid1,H5S_ALL,H5S_ALL,xfer_pid,rdata);
+    CHECK(ret, FAIL, "H5Dread");
+
+    /* Make certain the correct amount of memory has been used */
+    VERIFY(mem_used,str_used,"H5Dread");
+
+    /* Compare data read in */
+    for(i=0; i<SPACE1_DIM1; i++) {
+        if(strlen(wdata[i])!=strlen(rdata[i])) {
+            num_errs++;
+            printf("VL data length don't match!, strlen(wdata[%d])=%d, strlen(rdata[%d])=%d\n",(int)i,strlen(wdata[i]),(int)i,strlen(rdata[i]));
+            continue;
+        } /* end if */
+        if( strcmp(wdata[i],rdata[i]) != 0 ) {
+            num_errs++;
+            printf("VL data values don't match!, wdata[%d]=%s, rdata[%d]=%s\n",(int)i,wdata[i],(int)i,rdata[i]);
+            continue;
+        } /* end if */
+    } /* end for */
+
+    /* Reclaim the read VL data */
+    ret=H5Dvlen_reclaim(tid1,sid1,xfer_pid,rdata);
+    CHECK(ret, FAIL, "H5Dvlen_reclaim");
+
+    /* Make certain the VL memory has been freed */
+    VERIFY(mem_used,0,"H5Dvlen_reclaim");
+
+    /* Close Dataset */
+    ret = H5Dclose(dataset);
+    CHECK(ret, FAIL, "H5Dclose");
+
+    /* Close datatype */
+    ret = H5Tclose(tid1);
+    CHECK(ret, FAIL, "H5Tclose");
+
+    /* Close disk dataspace */
+    ret = H5Sclose(sid1);
+    CHECK(ret, FAIL, "H5Sclose");
+    
+    /* Close dataset transfer property list */
+    ret = H5Pclose(xfer_pid);
+    CHECK(ret, FAIL, "H5Pclose");
+    
+    /* Close file */
+    ret = H5Fclose(fid1);
+    CHECK(ret, FAIL, "H5Fclose");
+
+} /* end test_vlstrings_basic() */
+
+/****************************************************************
+**
+**  test_vlstrings(): Main VL string testing routine.
+** 
+****************************************************************/
+void 
+test_vlstrings(void)
+{
+    /* Output message about test being performed */
+    MESSAGE(5, ("Testing Variable-Length Strings\n"));
+
+    /* These next tests use the same file */
+    test_vlstrings_basic();       /* Test basic VL string datatype */
+}   /* test_vlstrings() */
+
+
+/*-------------------------------------------------------------------------
+ * Function:	cleanup_vlstrings
+ *
+ * Purpose:	Cleanup temporary test files
+ *
+ * Return:	none
+ *
+ * Programmer:	Quincey Koziol
+ *              September 10, 1999
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+void
+cleanup_vlstrings(void)
+{
+    remove(FILE);
+}
+