diff options
Diffstat (limited to 'test/tselect.c')
| -rw-r--r-- | test/tselect.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/test/tselect.c b/test/tselect.c index 59150f4..8114c13 100644 --- a/test/tselect.c +++ b/test/tselect.c @@ -87,6 +87,9 @@ #define SPACE7_DIM1 10 #define SPACE7_DIM2 10 #define SPACE7_FILL 254 +#define SPACE7_CHUNK_DIM1 5 +#define SPACE7_CHUNK_DIM2 5 +#define SPACE7_NPOINTS 8 /* 4-D dataset with fixed dimensions */ #define SPACE8_NAME "Space8" @@ -3988,6 +3991,201 @@ test_select_hyper_chunk(hid_t fapl_plist, hid_t xfer_plist) /**************************************************************** ** +** test_select_point_chunk(): Test basic H5S (dataspace) selection code. +** Tests combinations of hyperslab and point selections on +** chunked datasets. +** +****************************************************************/ +static void +test_select_point_chunk(void) +{ + hsize_t dimsf[SPACE7_RANK]; /* dataset dimensions */ + hsize_t chunk_dimsf[SPACE7_RANK] = {SPACE7_CHUNK_DIM1,SPACE7_CHUNK_DIM2}; /* chunk sizes */ + unsigned *data; /* data to write */ + unsigned *tmpdata; /* data to write */ + + /* + * Data and output buffer initialization. + */ + hid_t file, dataset; /* handles */ + hid_t dataspace; + hid_t pnt1_space; /* Dataspace to hold 1st point selection */ + hid_t pnt2_space; /* Dataspace to hold 2nd point selection */ + hid_t hyp1_space; /* Dataspace to hold 1st hyperslab selection */ + hid_t hyp2_space; /* Dataspace to hold 2nd hyperslab selection */ + hid_t dcpl; + herr_t ret; /* Generic return value */ + + unsigned *data_out; /* output buffer */ +#ifdef LATER + unsigned *tmpdata_out; /* output buffer */ +#endif /* LATER */ + + hssize_t start[SPACE7_RANK]; /* hyperslab offset */ + hsize_t count[SPACE7_RANK]; /* size of the hyperslab */ + hssize_t points[SPACE7_NPOINTS][SPACE7_RANK]; /* points for selection */ + unsigned i, j; /* Local index variables */ + + /* Output message about test being performed */ + MESSAGE(5, ("Testing Point Selections on Chunked Datasets\n")); + + /* Allocate the transfer buffers */ + data = (unsigned*)HDmalloc(sizeof(unsigned)*SPACE7_DIM1*SPACE7_DIM2); + data_out = (unsigned*)HDcalloc(SPACE7_DIM1*SPACE7_DIM2,sizeof(unsigned)); + + /* + * Data buffer initialization. + */ + tmpdata = data; + for (i = 0; i < SPACE7_DIM1; i++) + for (j = 0; j < SPACE7_DIM1; j++) + *tmpdata++ = ((i*SPACE7_DIM2)+j)%256; + + /* + * Create a new file using H5F_ACC_TRUNC access, + * the default file creation properties and file + * access properties. + */ + file = H5Fcreate (FILENAME, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); + CHECK(file, FAIL, "H5Fcreate"); + + /* Create file dataspace */ + dimsf[0] = SPACE7_DIM1; + dimsf[1] = SPACE7_DIM2; + dataspace = H5Screate_simple (SPACE7_RANK, dimsf, NULL); + CHECK(dataspace, FAIL, "H5Screate_simple"); + + /* + * Create a new dataset within the file using defined dataspace and + * chunking properties. + */ + dcpl = H5Pcreate (H5P_DATASET_CREATE); + CHECK(dcpl, FAIL, "H5Pcreate"); + ret = H5Pset_chunk (dcpl, SPACE7_RANK, chunk_dimsf); + CHECK(ret, FAIL, "H5Pset_chunk"); + dataset = H5Dcreate (file, DATASETNAME, H5T_NATIVE_UCHAR, dataspace, dcpl); + CHECK(dataset, FAIL, "H5Dcreate"); + + /* Create 1st point selection */ + pnt1_space = H5Scopy (dataspace); + CHECK(pnt1_space, FAIL, "H5Scopy"); + + points[0][0]=3; + points[0][1]=3; + points[1][0]=3; + points[1][1]=8; + points[2][0]=8; + points[2][1]=3; + points[3][0]=8; + points[3][1]=8; + points[4][0]=1; /* In same chunk as point #0, but "earlier" in chunk */ + points[4][1]=1; + points[5][0]=1; /* In same chunk as point #1, but "earlier" in chunk */ + points[5][1]=6; + points[6][0]=6; /* In same chunk as point #2, but "earlier" in chunk */ + points[6][1]=1; + points[7][0]=6; /* In same chunk as point #3, but "earlier" in chunk */ + points[7][1]=6; + ret = H5Sselect_elements(pnt1_space,H5S_SELECT_SET,SPACE7_NPOINTS,(const hssize_t **)points); + CHECK(ret, FAIL, "H5Sselect_elements"); + + /* Create 1st hyperslab selection */ + hyp1_space = H5Scopy (dataspace); + CHECK(hyp1_space, FAIL, "H5Scopy"); + + start[0]=2; start[1]=2; + count[0]=4; count[1]=2; + ret = H5Sselect_hyperslab(hyp1_space,H5S_SELECT_SET,start,NULL,count,NULL); + CHECK(ret, FAIL, "H5Sselect_hyperslab"); + + /* Write out data using 1st point selection for file & hyperslab for memory */ + ret=H5Dwrite(dataset,H5T_NATIVE_UINT,hyp1_space,pnt1_space,H5P_DEFAULT,data); + CHECK(ret, FAIL, "H5Dwrite"); + + /* Create 2nd point selection */ + pnt2_space = H5Scopy (dataspace); + CHECK(pnt2_space, FAIL, "H5Scopy"); + + points[0][0]=4; + points[0][1]=4; + points[1][0]=4; + points[1][1]=9; + points[2][0]=9; + points[2][1]=4; + points[3][0]=9; + points[3][1]=9; + points[4][0]=2; /* In same chunk as point #0, but "earlier" in chunk */ + points[4][1]=2; + points[5][0]=2; /* In same chunk as point #1, but "earlier" in chunk */ + points[5][1]=7; + points[6][0]=7; /* In same chunk as point #2, but "earlier" in chunk */ + points[6][1]=2; + points[7][0]=7; /* In same chunk as point #3, but "earlier" in chunk */ + points[7][1]=7; + ret = H5Sselect_elements(pnt2_space,H5S_SELECT_SET,SPACE7_NPOINTS,(const hssize_t **)points); + CHECK(ret, FAIL, "H5Sselect_elements"); + + /* Create 2nd hyperslab selection */ + hyp2_space = H5Scopy (dataspace); + CHECK(hyp2_space, FAIL, "H5Scopy"); + + start[0]=2; start[1]=4; + count[0]=4; count[1]=2; + ret = H5Sselect_hyperslab(hyp2_space,H5S_SELECT_SET,start,NULL,count,NULL); + CHECK(ret, FAIL, "H5Sselect_hyperslab"); + + /* Write out data using 2nd hyperslab selection for file & point for memory */ + ret=H5Dwrite(dataset,H5T_NATIVE_UINT,pnt2_space,hyp2_space,H5P_DEFAULT,data); + CHECK(ret, FAIL, "H5Dwrite"); + + /* Close everything (except selections) */ + ret=H5Pclose (dcpl); + CHECK(ret, FAIL, "H5Pclose"); + ret=H5Sclose (dataspace); + CHECK(ret, FAIL, "H5Sclose"); + ret=H5Dclose (dataset); + CHECK(ret, FAIL, "H5Dclose"); + ret=H5Fclose (file); + CHECK(ret, FAIL, "H5Fclose"); + + /* Re-open file & dataset */ + file = H5Fopen (FILENAME, H5F_ACC_RDONLY, H5P_DEFAULT); + CHECK(file, FAIL, "H5Fopen"); + dataset = H5Dopen (file, DATASETNAME); + CHECK(dataset, FAIL, "H5Dopen"); + + /* Read data using 1st point selection for file and hyperslab for memory */ + ret=H5Dread(dataset,H5T_NATIVE_UINT,hyp1_space,pnt1_space,H5P_DEFAULT,data_out); + CHECK(ret, FAIL, "H5Dread"); + +/* Verify data (later) */ + + /* Read data using 2nd hyperslab selection for file and point for memory */ + ret=H5Dread(dataset,H5T_NATIVE_UINT,pnt2_space,hyp2_space,H5P_DEFAULT,data_out); + CHECK(ret, FAIL, "H5Dread"); + +/* Verify data (later) */ + + /* Close everything (inclusing selections) */ + ret=H5Sclose (pnt1_space); + CHECK(ret, FAIL, "H5Sclose"); + ret=H5Sclose (pnt2_space); + CHECK(ret, FAIL, "H5Sclose"); + ret=H5Sclose (hyp1_space); + CHECK(ret, FAIL, "H5Sclose"); + ret=H5Sclose (hyp2_space); + CHECK(ret, FAIL, "H5Sclose"); + ret=H5Dclose (dataset); + CHECK(ret, FAIL, "H5Dclose"); + ret=H5Fclose (file); + CHECK(ret, FAIL, "H5Fclose"); + + free (data); + free (data_out); +} /* test_select_point_chunk() */ + +/**************************************************************** +** ** test_select_valid(): Test basic H5S (dataspace) selection code. ** Tests selection validity ** @@ -6267,6 +6465,9 @@ test_select(void) /* Test "same shape" routine */ test_shape_same(); + /* Test point selections in chunked datasets */ + test_select_point_chunk(); + } /* test_select() */ |