From 227f5af63c8554d026cd6dbe73e6cdab91028223 Mon Sep 17 00:00:00 2001
From: Quincey Koziol <koziol@hdfgroup.org>
Date: Tue, 14 Jul 1998 23:12:54 -0500
Subject: [svn-r498] Added test to read data from a hyperslab in memory into a
 selection of points in the file and back from the selection of points into a
 differently oriented hyperslab in memory.

---
 test/tselect.c | 138 +++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 135 insertions(+), 3 deletions(-)

diff --git a/test/tselect.c b/test/tselect.c
index ce2c936..a488e7a 100644
--- a/test/tselect.c
+++ b/test/tselect.c
@@ -238,7 +238,7 @@ test_select_point(void)
     coord1[7][0]=1; coord1[7][1]= 0; coord1[7][2]= 4;
     coord1[8][0]=2; coord1[8][1]= 1; coord1[8][2]= 6;
     coord1[9][0]=0; coord1[9][1]= 3; coord1[9][2]= 8;
-    ret = H5Sselect_elements(sid1,H5S_SELECT_SET,POINT1_NPOINTS,coord1);
+    ret = H5Sselect_elements(sid1,H5S_SELECT_SET,POINT1_NPOINTS,(const hssize_t **)coord1);
     CHECK(ret, FAIL, "H5Sselect_elements");
 
     /* Select sequence of ten points for write dataset */
@@ -252,7 +252,7 @@ test_select_point(void)
     coord2[7][0]=29; coord2[7][1]= 4;
     coord2[8][0]= 8; coord2[8][1]= 8;
     coord2[9][0]=19; coord2[9][1]=17;
-    ret = H5Sselect_elements(sid2,H5S_SELECT_SET,POINT1_NPOINTS,coord2);
+    ret = H5Sselect_elements(sid2,H5S_SELECT_SET,POINT1_NPOINTS,(const hssize_t **)coord2);
     CHECK(ret, FAIL, "H5Sselect_elements");
 
     /* Create a dataset */
@@ -281,7 +281,7 @@ test_select_point(void)
     coord3[7][0]= 1; coord3[7][1]=22;
     coord3[8][0]=12; coord3[8][1]=21;
     coord3[9][0]=11; coord3[9][1]= 6;
-    ret = H5Sselect_elements(sid2,H5S_SELECT_SET,POINT1_NPOINTS,coord3);
+    ret = H5Sselect_elements(sid2,H5S_SELECT_SET,POINT1_NPOINTS,(const hssize_t **)coord3);
     CHECK(ret, FAIL, "H5Sselect_elements");
 
     /* Read selection from disk */
@@ -320,6 +320,137 @@ test_select_point(void)
 
 /****************************************************************
 **
+**  test_select_combo(): Test basic H5S (dataspace) selection code.
+**      Tests combinations of element and hyperslab selections between
+**      dataspaces of various sizes and dimensionalities.
+** 
+****************************************************************/
+static void 
+test_select_combo(void)
+{
+    hid_t		fid1;		/* HDF5 File IDs		*/
+    hid_t		dataset;	/* Dataset ID			*/
+    hid_t		sid1,sid2;	/* Dataspace ID			*/
+    hsize_t		dims1[] = {SPACE1_DIM1, SPACE1_DIM2, SPACE1_DIM3};
+    hsize_t		dims2[] = {SPACE2_DIM1, SPACE2_DIM2};
+    hsize_t		dims3[] = {SPACE3_DIM1, SPACE3_DIM2};
+    hssize_t	coord1[POINT1_NPOINTS][SPACE1_RANK]; /* Coordinates for point selection */
+    hsize_t		start[SPACE1_RANK];     /* Starting location of hyperslab */
+    hsize_t		stride[SPACE1_RANK];    /* Stride of hyperslab */
+    hsize_t		count[SPACE1_RANK];     /* Element count of hyperslab */
+    hsize_t		block[SPACE1_RANK];     /* Block size of hyperslab */
+    uint8      *wbuf,       /* buffer to write to disk */
+               *rbuf,       /* buffer read from disk */
+               *tbuf,       /* temporary buffer pointer */
+               *tbuf2;      /* temporary buffer pointer */
+    intn        i,j;        /* Counters */
+    herr_t		ret;		/* Generic return value		*/
+
+    /* Output message about test being performed */
+    MESSAGE(5, ("Testing Combination of Hyperslab & Element Selection Functions\n"));
+
+    /* Allocate write & read buffers */
+    wbuf=malloc(sizeof(uint8)*SPACE2_DIM1*SPACE2_DIM2);
+    rbuf=calloc(sizeof(uint8),SPACE3_DIM1*SPACE3_DIM2);
+
+    /* Initialize write buffer */
+    for(i=0, tbuf=wbuf; i<SPACE2_DIM1; i++)
+        for(j=0; j<SPACE2_DIM2; j++)
+            *tbuf++=(uint8)((i*SPACE2_DIM2)+j);
+
+    /* Create file */
+    fid1 = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
+    CHECK(fid1, FAIL, "H5Fcreate");
+
+    /* Create dataspace for dataset */
+    sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL);
+    CHECK(sid1, FAIL, "H5Screate_simple");
+
+    /* Create dataspace for write buffer */
+    sid2 = H5Screate_simple(SPACE2_RANK, dims2, NULL);
+    CHECK(sid2, FAIL, "H5Screate_simple");
+
+    /* Select sequence of ten points for disk dataset */
+    coord1[0][0]=0; coord1[0][1]=10; coord1[0][2]= 5;
+    coord1[1][0]=1; coord1[1][1]= 2; coord1[1][2]= 7;
+    coord1[2][0]=2; coord1[2][1]= 4; coord1[2][2]= 9;
+    coord1[3][0]=0; coord1[3][1]= 6; coord1[3][2]=11;
+    coord1[4][0]=1; coord1[4][1]= 8; coord1[4][2]=13;
+    coord1[5][0]=2; coord1[5][1]=12; coord1[5][2]= 0;
+    coord1[6][0]=0; coord1[6][1]=14; coord1[6][2]= 2;
+    coord1[7][0]=1; coord1[7][1]= 0; coord1[7][2]= 4;
+    coord1[8][0]=2; coord1[8][1]= 1; coord1[8][2]= 6;
+    coord1[9][0]=0; coord1[9][1]= 3; coord1[9][2]= 8;
+    ret = H5Sselect_elements(sid1,H5S_SELECT_SET,POINT1_NPOINTS,(const hssize_t **)coord1);
+    CHECK(ret, FAIL, "H5Sselect_elements");
+
+    /* Select 1x10 hyperslab for writing memory dataset */
+    start[0]=0; start[1]=0;
+    stride[0]=1; stride[1]=1;
+    count[0]=1; count[1]=10;
+    block[0]=1; block[1]=1;
+    ret = H5Sselect_hyperslab(sid2,H5S_SELECT_SET,start,stride,count,block);
+    CHECK(ret, FAIL, "H5Sselect_hyperslab");
+
+    /* Create a dataset */
+    dataset=H5Dcreate(fid1,"Dataset1",H5T_NATIVE_UCHAR,sid1,H5P_DEFAULT);
+
+    /* Write selection to disk */
+    ret=H5Dwrite(dataset,H5T_NATIVE_UCHAR,sid2,sid1,H5P_DEFAULT,wbuf);
+    CHECK(ret, FAIL, "H5Dwrite");
+
+    /* Close memory dataspace */
+    ret = H5Sclose(sid2);
+    CHECK(ret, FAIL, "H5Sclose");
+
+    /* Create dataspace for reading buffer */
+    sid2 = H5Screate_simple(SPACE3_RANK, dims3, NULL);
+    CHECK(sid2, FAIL, "H5Screate_simple");
+
+    /* Select 10x1 hyperslab for reading memory dataset */
+    start[0]=0; start[1]=0;
+    stride[0]=1; stride[1]=1;
+    count[0]=10; count[1]=1;
+    block[0]=1; block[1]=1;
+    ret = H5Sselect_hyperslab(sid2,H5S_SELECT_SET,start,stride,count,block);
+    CHECK(ret, FAIL, "H5Sselect_hyperslab");
+
+    /* Read selection from disk */
+    ret=H5Dread(dataset,H5T_NATIVE_UCHAR,sid2,sid1,H5P_DEFAULT,rbuf);
+    CHECK(ret, FAIL, "H5Dread");
+
+    /* Compare data read with data written out */
+    for(i=0; i<POINT1_NPOINTS; i++) {
+        tbuf=wbuf+i;
+        tbuf2=rbuf+(i*SPACE3_DIM2);
+        if(*tbuf!=*tbuf2) {
+            printf("element values don't match!, i=%d\n",i);
+        } /* end if */
+    } /* end for */
+
+    /* Close memory dataspace */
+    ret = H5Sclose(sid2);
+    CHECK(ret, FAIL, "H5Sclose");
+    
+    /* Close disk dataspace */
+    ret = H5Sclose(sid1);
+    CHECK(ret, FAIL, "H5Sclose");
+    
+    /* Close Dataset */
+    ret = H5Dclose(dataset);
+    CHECK(ret, FAIL, "H5Dclose");
+
+    /* Close file */
+    ret = H5Fclose(fid1);
+    CHECK(ret, FAIL, "H5Fclose");
+
+    /* Free memory buffers */
+    free(wbuf);
+    free(rbuf);
+}   /* test_select_point() */
+
+/****************************************************************
+**
 **  test_select(): Main H5S selection testing routine.
 ** 
 ****************************************************************/
@@ -332,6 +463,7 @@ test_select(void)
     /* These next two tests use the same file information */
     test_select_hyper();        /* Test basic H5S hyperslab selection code */
     test_select_point();        /* Test basic H5S element selection code */
+    test_select_combo();        /* Test combined hyperslab & element selection code */
 
 }   /* test_select() */
 
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