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hdf5/test/tunicode.c

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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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Unicode test */
#include "testhdf5.h"
#define NUM_CHARS 16
#define MAX_STRING_LENGTH ((NUM_CHARS * 4) + 1) /* Max length in bytes */
#define MAX_PATH_LENGTH (MAX_STRING_LENGTH + 20) /* Max length in bytes */
#define MAX_CODE_POINT 0x200000
#define FILENAME "unicode.h5"
/* A buffer to hold two copies of the UTF-8 string */
#define LONG_BUF_SIZE (2 * MAX_STRING_LENGTH + 4)
#define DSET1_NAME "fl_string_dataset"
#define DSET3_NAME "dataset3"
#define DSET4_NAME "dataset4"
#define VL_DSET1_NAME "vl_dset_1"
#define GROUP1_NAME "group1"
#define GROUP2_NAME "group2"
#define GROUP3_NAME "group3"
#define GROUP4_NAME "group4"
#define RANK 1
#define COMP_INT_VAL 7
#define COMP_FLOAT_VAL -42.0F
#define COMP_DOUBLE_VAL 42.0F
/* Test function prototypes */
void test_fl_string(hid_t fid, const char *string);
void test_strpad(hid_t fid, const char *string);
void test_vl_string(hid_t fid, const char *string);
void test_objnames(hid_t fid, const char *string);
void test_attrname(hid_t fid, const char *string);
void test_compound(hid_t fid, const char *string);
void test_enum(hid_t fid, const char *string);
void test_opaque(hid_t fid, const char *string);
/* Utility function prototypes */
static hid_t mkstr(size_t len, H5T_str_t strpad);
unsigned int write_char(unsigned int c, char * test_string, unsigned int cur_pos);
void dump_string(const char * string);
/*
* test_fl_string
* Tests that UTF-8 can be used for fixed-length string data.
* Writes the string to a dataset and reads it back again.
*/
void test_fl_string(hid_t fid, const char *string)
{
hid_t dtype_id, space_id, dset_id;
hsize_t dims = 1;
char read_buf[MAX_STRING_LENGTH];
H5T_cset_t cset;
herr_t ret;
/* Create the datatype, ensure that the character set behaves
* correctly (it should default to ASCII and can be set to UTF8)
*/
dtype_id = H5Tcopy(H5T_C_S1);
CHECK(dtype_id, FAIL, "H5Tcopy");
ret = H5Tset_size(dtype_id, (size_t)MAX_STRING_LENGTH);
CHECK(ret, FAIL, "H5Tset_size");
cset = H5Tget_cset(dtype_id);
VERIFY(cset, H5T_CSET_ASCII, "H5Tget_cset");
ret = H5Tset_cset(dtype_id, H5T_CSET_UTF8);
CHECK(ret, FAIL, "H5Tset_cset");
cset = H5Tget_cset(dtype_id);
VERIFY(cset, H5T_CSET_UTF8, "H5Tget_cset");
/* Create dataspace for a dataset */
space_id = H5Screate_simple(RANK, &dims, NULL);
CHECK(space_id, FAIL, "H5Screate_simple");
/* Create a dataset */
dset_id = H5Dcreate2(fid, DSET1_NAME, dtype_id, space_id, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(dset_id, FAIL, "H5Dcreate2");
/* Write UTF-8 string to dataset */
ret = H5Dwrite(dset_id, dtype_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, string);
CHECK(ret, FAIL, "H5Dwrite");
/* Read string back and make sure it is unchanged */
ret = H5Dread(dset_id, dtype_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, read_buf);
CHECK(ret, FAIL, "H5Dread");
VERIFY(HDstrcmp(string, read_buf), 0, "strcmp");
/* Close all */
ret = H5Dclose(dset_id);
CHECK(ret, FAIL, "H5Dclose");
ret = H5Tclose(dtype_id);
CHECK(ret, FAIL, "H5Tclose");
ret = H5Sclose(space_id);
CHECK(ret, FAIL, "H5Sclose");
}
/*
* test_strpad
* Tests string padding for a UTF-8 string.
* Converts strings to shorter and then longer strings.
* Borrows heavily from dtypes.c, but is more complicated because
* the string is randomly generated.
*/
void test_strpad(hid_t H5_ATTR_UNUSED fid, const char *string)
{
/* buf is used to hold the data that H5Tconvert operates on. */
char buf[LONG_BUF_SIZE];
/* cmpbuf holds the output that H5Tconvert should produce,
* to compare against the actual output. */
char cmpbuf[LONG_BUF_SIZE];
/* new_string is a slightly modified version of the UTF-8
* string to make the tests run more smoothly. */
char new_string[MAX_STRING_LENGTH + 2];
size_t length; /* Length of new_string in bytes */
size_t small_len; /* Size of the small datatype */
size_t big_len; /* Size of the larger datatype */
hid_t src_type, dst_type;
herr_t ret;
/* The following tests are simpler if the UTF-8 string contains
* the right number of bytes (even or odd, depending on the test).
* We create a 'new_string' whose length is convenient by prepending
* an 'x' to 'string' when necessary. */
length = HDstrlen(string);
if(length % 2 != 1)
{
HDstrcpy(new_string, "x");
HDstrcat(new_string, string);
length++;
} else {
HDstrcpy(new_string, string);
}
/* Convert a null-terminated string to a shorter and longer null
* terminated string. */
/* Create a src_type that holds the UTF-8 string and its final NULL */
big_len = length + 1; /* +1 byte for final NULL */
HDassert((2*big_len)<=sizeof(cmpbuf));
src_type = mkstr(big_len, H5T_STR_NULLTERM);
CHECK(src_type, FAIL, "mkstr");
/* Create a dst_type that holds half of the UTF-8 string and a final
* NULL */
small_len = (length + 1) / 2;
dst_type = mkstr(small_len, H5T_STR_NULLTERM);
CHECK(dst_type, FAIL, "mkstr");
/* Fill the buffer with two copies of the UTF-8 string, each with a
* terminating NULL. It will look like "abcdefg\0abcdefg\0". */
strncpy(buf, new_string, big_len);
HDstrncpy(&buf[big_len], new_string, big_len);
ret = H5Tconvert(src_type, dst_type, (size_t)2, buf, NULL, H5P_DEFAULT);
CHECK(ret, FAIL, "H5Tconvert");
/* After conversion, the buffer should look like
* "abc\0abc\0abcdefg\0". Note that this is just what the bytes look
* like; UTF-8 characters may well have been truncated.
* To check that the conversion worked properly, we'll build this
* string manually. */
HDstrncpy(cmpbuf, new_string, small_len - 1);
cmpbuf[small_len - 1] = '\0';
HDstrncpy(&cmpbuf[small_len], new_string, small_len -1);
cmpbuf[2 * small_len - 1] = '\0';
HDstrcpy(&cmpbuf[2 * small_len], new_string);
VERIFY(HDmemcmp(buf, cmpbuf, 2*big_len), 0, "HDmemcmp");
/* Now convert from smaller datatype to bigger datatype. This should
* leave our buffer looking like: "abc\0\0\0\0\0abc\0\0\0\0\0" */
ret = H5Tconvert(dst_type, src_type, (size_t)2, buf, NULL, H5P_DEFAULT);
CHECK(ret, FAIL, "H5Tconvert");
/* First fill the buffer with NULLs */
HDmemset(cmpbuf, '\0', (size_t)LONG_BUF_SIZE);
/* Copy in the characters */
HDstrncpy(cmpbuf, new_string, small_len -1);
HDstrncpy(&cmpbuf[big_len], new_string, small_len -1);
VERIFY(HDmemcmp(buf, cmpbuf, 2*big_len), 0, "HDmemcmp");
ret = H5Tclose(src_type);
CHECK(ret, FAIL, "H5Tclose");
ret = H5Tclose(dst_type);
CHECK(ret, FAIL, "H5Tclose");
/* Now test null padding. Null-padded strings do *not* need
* terminating NULLs, so the sizes of the datatypes are slightly
* different and we want a string with an even number of characters. */
length = HDstrlen(string);
if(length % 2 != 0)
{
HDstrcpy(new_string, "x");
HDstrcat(new_string, string);
length++;
} else {
HDstrcpy(new_string, string);
}
/* Create a src_type that holds the UTF-8 string */
big_len = length;
HDassert((2*big_len)<=sizeof(cmpbuf));
src_type = mkstr(big_len, H5T_STR_NULLPAD);
CHECK(src_type, FAIL, "mkstr");
/* Create a dst_type that holds half of the UTF-8 string */
small_len = length / 2;
dst_type = mkstr(small_len, H5T_STR_NULLPAD);
CHECK(dst_type, FAIL, "mkstr");
/* Fill the buffer with two copies of the UTF-8 string.
* It will look like "abcdefghabcdefgh". */
HDstrncpy(buf, new_string, big_len);
HDstrncpy(&buf[big_len], new_string, big_len);
ret = H5Tconvert(src_type, dst_type, (size_t)2, buf, NULL, H5P_DEFAULT);
CHECK(ret, FAIL, "H5Tconvert");
/* After conversion, the buffer should look like
* "abcdabcdabcdefgh". Note that this is just what the bytes look
* like; UTF-8 characters may well have been truncated.
* To check that the conversion worked properly, we'll build this
* string manually. */
HDstrncpy(cmpbuf, new_string, small_len);
HDstrncpy(&cmpbuf[small_len], new_string, small_len);
HDstrncpy(&cmpbuf[2 * small_len], new_string, big_len);
VERIFY(HDmemcmp(buf, cmpbuf, 2*big_len), 0, "HDmemcmp");
/* Now convert from smaller datatype to bigger datatype. This should
* leave our buffer looking like: "abcd\0\0\0\0abcd\0\0\0\0" */
ret = H5Tconvert(dst_type, src_type, (size_t)2, buf, NULL, H5P_DEFAULT);
CHECK(ret, FAIL, "H5Tconvert");
/* First fill the buffer with NULLs */
HDmemset(cmpbuf, '\0', (size_t)LONG_BUF_SIZE);
/* Copy in the characters */
HDstrncpy(cmpbuf, new_string, small_len);
HDstrncpy(&cmpbuf[big_len], new_string, small_len);
VERIFY(HDmemcmp(buf, cmpbuf, 2*big_len), 0, "HDmemcmp");
ret = H5Tclose(src_type);
CHECK(ret, FAIL, "H5Tclose");
ret = H5Tclose(dst_type);
CHECK(ret, FAIL, "H5Tclose");
/* Test space padding. This is very similar to null-padding; we can
use the same values of length, small_len, and big_len. */
src_type = mkstr(big_len, H5T_STR_SPACEPAD);
CHECK(src_type, FAIL, "mkstr");
dst_type = mkstr(small_len, H5T_STR_SPACEPAD);
CHECK(src_type, FAIL, "mkstr");
/* Fill the buffer with two copies of the UTF-8 string.
* It will look like "abcdefghabcdefgh". */
HDstrcpy(buf, new_string);
HDstrcpy(&buf[big_len], new_string);
ret = H5Tconvert(src_type, dst_type, (size_t)2, buf, NULL, H5P_DEFAULT);
CHECK(ret, FAIL, "H5Tconvert");
/* After conversion, the buffer should look like
* "abcdabcdabcdefgh". Note that this is just what the bytes look
* like; UTF-8 characters may have been truncated.
* To check that the conversion worked properly, we'll build this
* string manually. */
HDstrncpy(cmpbuf, new_string, small_len);
HDstrncpy(&cmpbuf[small_len], new_string, small_len);
HDstrncpy(&cmpbuf[2 * small_len], new_string, big_len);
VERIFY(HDmemcmp(buf, cmpbuf, 2*big_len), 0, "HDmemcmp");
/* Now convert from smaller datatype to bigger datatype. This should
* leave our buffer looking like: "abcd abcd " */
ret = H5Tconvert(dst_type, src_type, (size_t)2, buf, NULL, H5P_DEFAULT);
CHECK(ret, FAIL, "H5Tconvert");
/* First fill the buffer with spaces */
HDmemset(cmpbuf, ' ', (size_t)LONG_BUF_SIZE);
/* Copy in the characters */
HDstrncpy(cmpbuf, new_string, small_len);
HDstrncpy(&cmpbuf[big_len], new_string, small_len);
VERIFY(HDmemcmp(buf, cmpbuf, 2*big_len), 0, "HDmemcmp");
ret = H5Tclose(src_type);
CHECK(ret, FAIL, "H5Tclose");
ret = H5Tclose(dst_type);
CHECK(ret, FAIL, "H5Tclose");
}
/*
* test_vl_string
* Tests variable-length string datatype with UTF-8 strings.
*/
void test_vl_string(hid_t fid, const char *string)
{
hid_t type_id, space_id, dset_id;
hsize_t dims = 1;
hsize_t size; /* Number of bytes used */
char *read_buf[1];
herr_t ret;
/* Create dataspace for datasets */
space_id = H5Screate_simple(RANK, &dims, NULL);
CHECK(space_id, FAIL, "H5Screate_simple");
/* Create a datatype to refer to */
type_id = H5Tcopy(H5T_C_S1);
CHECK(type_id, FAIL, "H5Tcopy");
ret = H5Tset_size(type_id, H5T_VARIABLE);
CHECK(ret, FAIL, "H5Tset_size");
/* Create a dataset */
dset_id = H5Dcreate2(fid, VL_DSET1_NAME, type_id, space_id, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(dset_id, FAIL, "H5Dcreate2");
/* Write dataset to disk */
ret = H5Dwrite(dset_id, type_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, &string);
CHECK(ret, FAIL, "H5Dwrite");
/* Make certain the correct amount of memory will be used */
ret = H5Dvlen_get_buf_size(dset_id, type_id, space_id, &size);
CHECK(ret, FAIL, "H5Dvlen_get_buf_size");
VERIFY(size, (hsize_t)HDstrlen(string) + 1, "H5Dvlen_get_buf_size");
/* Read dataset from disk */
ret = H5Dread(dset_id, type_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, read_buf);
CHECK(ret, FAIL, "H5Dread");
/* Compare data read in */
VERIFY(HDstrcmp(string, read_buf[0]), 0, "strcmp");
/* Reclaim the read VL data */
ret = H5Dvlen_reclaim(type_id, space_id, H5P_DEFAULT, read_buf);
CHECK(ret, FAIL, "H5Dvlen_reclaim");
/* Close all */
ret = H5Dclose(dset_id);
CHECK(ret, FAIL, "H5Dclose");
ret = H5Tclose(type_id);
CHECK(ret, FAIL, "H5Tclose");
ret = H5Sclose(space_id);
CHECK(ret, FAIL, "H5Sclose");
}
/*
* test_objnames
* Tests that UTF-8 can be used for object names in the file.
* Tests groups, datasets, named datatypes, and soft links.
* Note that this test doesn't actually mark the names as being
* in UTF-8. At the time this test was written, that feature
* didn't exist in HDF5, and when the character encoding property
* was added to links it didn't change how they were stored in the file,
* -JML 2/2/2006
*/
void test_objnames(hid_t fid, const char* string)
{
hid_t grp_id, grp1_id, grp2_id, grp3_id;
hid_t type_id, dset_id, space_id;
char read_buf[MAX_STRING_LENGTH];
char path_buf[MAX_PATH_LENGTH];
hsize_t dims=1;
hobj_ref_t obj_ref;
ssize_t size;
herr_t ret;
/* Create a group with a UTF-8 name */
grp_id = H5Gcreate2(fid, string, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(grp_id, FAIL, "H5Gcreate2");
/* Set a comment on the group to test that we can access the group
* Also test that UTF-8 comments can be read.
*/
ret = H5Oset_comment_by_name(fid, string, string, H5P_DEFAULT);
CHECK(ret, FAIL, "H5Oset_comment_by_name");
size = H5Oget_comment_by_name(fid, string, read_buf, (size_t)MAX_STRING_LENGTH, H5P_DEFAULT);
CHECK(size, FAIL, "H5Oget_comment_by_name");
ret = H5Gclose(grp_id);
CHECK(ret, FAIL, "H5Gclose");
VERIFY(HDstrcmp(string, read_buf), 0, "strcmp");
/* Create a new dataset with a UTF-8 name */
grp1_id = H5Gcreate2(fid, GROUP1_NAME, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(grp1_id, FAIL, "H5Gcreate2");
space_id = H5Screate_simple(RANK, &dims, NULL);
CHECK(space_id, FAIL, "H5Screate_simple");
dset_id = H5Dcreate2(grp1_id, string, H5T_NATIVE_INT, space_id, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(dset_id, FAIL, "H5Dcreate2");
/* Make sure that dataset can be opened again */
ret = H5Dclose(dset_id);
CHECK(ret, FAIL, "H5Dclose");
ret = H5Sclose(space_id);
CHECK(ret, FAIL, "H5Sclose");
dset_id = H5Dopen2(grp1_id, string, H5P_DEFAULT);
CHECK(ret, FAIL, "H5Dopen2");
ret = H5Dclose(dset_id);
CHECK(ret, FAIL, "H5Dclose");
ret = H5Gclose(grp1_id);
CHECK(ret, FAIL, "H5Gclose");
/* Do the same for a named datatype */
grp2_id = H5Gcreate2(fid, GROUP2_NAME, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(grp2_id, FAIL, "H5Gcreate2");
type_id = H5Tcreate(H5T_OPAQUE, (size_t)1);
CHECK(type_id, FAIL, "H5Tcreate");
ret = H5Tcommit2(grp2_id, string, type_id, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(type_id, FAIL, "H5Tcommit2");
ret = H5Tclose(type_id);
CHECK(type_id, FAIL, "H5Tclose");
type_id = H5Topen2(grp2_id, string, H5P_DEFAULT);
CHECK(type_id, FAIL, "H5Topen2");
ret = H5Tclose(type_id);
CHECK(type_id, FAIL, "H5Tclose");
/* Don't close the group -- use it to test that object references
* can refer to objects named in UTF-8 */
space_id = H5Screate_simple(RANK, &dims, NULL);
CHECK(space_id, FAIL, "H5Screate_simple");
dset_id = H5Dcreate2(grp2_id, DSET3_NAME, H5T_STD_REF_OBJ, space_id, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(ret, FAIL, "H5Dcreate2");
/* Create reference to named datatype */
ret = H5Rcreate(&obj_ref, grp2_id, string, H5R_OBJECT, (hid_t)-1);
CHECK(ret, FAIL, "H5Rcreate");
/* Write selection and read it back*/
ret = H5Dwrite(dset_id, H5T_STD_REF_OBJ, H5S_ALL, H5S_ALL, H5P_DEFAULT, &obj_ref);
CHECK(ret, FAIL, "H5Dwrite");
ret = H5Dread(dset_id, H5T_STD_REF_OBJ, H5S_ALL, H5S_ALL, H5P_DEFAULT, &obj_ref);
CHECK(ret, FAIL, "H5Dread");
/* Ensure that we can open named datatype using object reference */
type_id = H5Rdereference2(dset_id, H5P_DEFAULT, H5R_OBJECT, &obj_ref);
CHECK(type_id, FAIL, "H5Rdereference2");
ret = H5Tcommitted(type_id);
VERIFY(ret, 1, "H5Tcommitted");
ret = H5Tclose(type_id);
CHECK(type_id, FAIL, "H5Tclose");
ret = H5Dclose(dset_id);
CHECK(ret, FAIL, "H5Dclose");
ret = H5Sclose(space_id);
CHECK(ret, FAIL, "H5Sclose");
ret = H5Gclose(grp2_id);
CHECK(ret, FAIL, "H5Gclose");
/* Create "group3". Build a hard link from group3 to group2, which has
* a datatype with the UTF-8 name. Create a soft link in group3
* pointing through the hard link to the datatype. Give the soft
* link a name in UTF-8. Ensure that the soft link works. */
grp3_id = H5Gcreate2(fid, GROUP3_NAME, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(grp3_id, FAIL, "H5Gcreate2");
ret = H5Lcreate_hard(fid, GROUP2_NAME, grp3_id, GROUP2_NAME, H5P_DEFAULT, H5P_DEFAULT);
CHECK(ret, FAIL, "H5Lcreate_hard");
HDstrcpy(path_buf, GROUP2_NAME);
HDstrcat(path_buf, "/");
HDstrcat(path_buf, string);
ret = H5Lcreate_hard(grp3_id, path_buf, H5L_SAME_LOC, string, H5P_DEFAULT, H5P_DEFAULT);
CHECK(ret, FAIL, "H5Lcreate_hard");
/* Open named datatype using soft link */
type_id = H5Topen2(grp3_id, string, H5P_DEFAULT);
CHECK(type_id, FAIL, "H5Topen2");
ret = H5Tclose(type_id);
CHECK(type_id, FAIL, "H5Tclose");
ret = H5Gclose(grp3_id);
CHECK(ret, FAIL, "H5Gclose");
}
/*
* test_attrname
* Test that attributes can deal with UTF-8 strings
*/
void test_attrname(hid_t fid, const char * string)
{
hid_t group_id, attr_id;
hid_t dtype_id, space_id;
hsize_t dims=1;
char read_buf[MAX_STRING_LENGTH];
ssize_t size;
herr_t ret;
/* Create a new group and give it an attribute whose
* name and value are UTF-8 strings.
*/
group_id = H5Gcreate2(fid, GROUP4_NAME, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(group_id, FAIL, "H5Gcreate2");
space_id = H5Screate_simple(RANK, &dims, NULL);
CHECK(space_id, FAIL, "H5Screate_simple");
dtype_id = H5Tcopy(H5T_C_S1);
CHECK(dtype_id, FAIL, "H5Tcopy");
ret = H5Tset_size(dtype_id, (size_t)MAX_STRING_LENGTH);
CHECK(ret, FAIL, "H5Tset_size");
/* Create the attribute and check that its name is correct */
attr_id = H5Acreate2(group_id, string, dtype_id, space_id, H5P_DEFAULT, H5P_DEFAULT);
CHECK(attr_id, FAIL, "H5Acreate2");
size = H5Aget_name(attr_id, (size_t)MAX_STRING_LENGTH, read_buf);
CHECK(size, FAIL, "H5Aget_name");
ret = strcmp(read_buf, string);
VERIFY(ret, 0, "strcmp");
read_buf[0] = '\0';
/* Try writing and reading from the attribute */
ret = H5Awrite(attr_id, dtype_id, string);
CHECK(ret, FAIL, "H5Awrite");
ret = H5Aread(attr_id, dtype_id, read_buf);
CHECK(ret, FAIL, "H5Aread");
ret = strcmp(read_buf, string);
VERIFY(ret, 0, "strcmp");
/* Clean up */
ret = H5Aclose(attr_id);
CHECK(ret, FAIL, "H5Aclose");
ret = H5Tclose(dtype_id);
CHECK(ret, FAIL, "H5Tclose");
ret = H5Sclose(space_id);
CHECK(ret, FAIL, "H5Sclose");
ret = H5Gclose(group_id);
CHECK(ret, FAIL, "H5Gclose");
}
/*
* test_compound
* Test that compound datatypes can have UTF-8 field names.
*/
void test_compound(hid_t fid, const char * string)
{
/* Define two compound structures, s1_t and s2_t.
* s2_t is a subset of s1_t, with two out of three
* fields.
* This is stolen from the h5_compound example.
*/
typedef struct s1_t {
int a;
double c;
float b;
} s1_t;
typedef struct s2_t {
double c;
int a;
} s2_t;
/* Actual variable declarations */
s1_t s1;
s2_t s2;
hid_t s1_tid, s2_tid;
hid_t space_id, dset_id;
hsize_t dim = 1;
char *readbuf;
herr_t ret;
/* Initialize compound data */
HDmemset(&s1, 0, sizeof(s1_t)); /* To make purify happy */
s1.a = COMP_INT_VAL;
s1.c = COMP_DOUBLE_VAL;
s1.b = COMP_FLOAT_VAL;
/* Create compound datatypes using UTF-8 field name */
s1_tid = H5Tcreate (H5T_COMPOUND, sizeof(s1_t));
CHECK(s1_tid, FAIL, "H5Tcreate");
ret = H5Tinsert(s1_tid, string, HOFFSET(s1_t, a), H5T_NATIVE_INT);
CHECK(ret, FAIL, "H5Tinsert");
/* Check that the field name was stored correctly */
readbuf = H5Tget_member_name(s1_tid, 0);
ret = HDstrcmp(readbuf, string);
VERIFY(ret, 0, "strcmp");
H5free_memory(readbuf);
/* Add the other fields to the datatype */
ret = H5Tinsert(s1_tid, "c_name", HOFFSET(s1_t, c), H5T_NATIVE_DOUBLE);
CHECK(ret, FAIL, "H5Tinsert");
ret = H5Tinsert(s1_tid, "b_name", HOFFSET(s1_t, b), H5T_NATIVE_FLOAT);
CHECK(ret, FAIL, "H5Tinsert");
/* Create second datatype, with only two fields. */
s2_tid = H5Tcreate (H5T_COMPOUND, sizeof(s2_t));
CHECK(s2_tid, FAIL, "H5Tcreate");
ret = H5Tinsert(s2_tid, "c_name", HOFFSET(s2_t, c), H5T_NATIVE_DOUBLE);
CHECK(ret, FAIL, "H5Tinsert");
ret = H5Tinsert(s2_tid, string, HOFFSET(s2_t, a), H5T_NATIVE_INT);
CHECK(ret, FAIL, "H5Tinsert");
/* Create the dataspace and dataset. */
space_id = H5Screate_simple(1, &dim, NULL);
CHECK(space_id, FAIL, "H5Screate_simple");
dset_id = H5Dcreate2(fid, DSET4_NAME, s1_tid, space_id, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
CHECK(dset_id, FAIL, "H5Dcreate2");
/* Write data to the dataset. */
ret = H5Dwrite(dset_id, s1_tid, H5S_ALL, H5S_ALL, H5P_DEFAULT, &s1);
CHECK(ret, FAIL, "H5Dwrite");
/* Ensure that data can be read back by field name into s2 struct */
ret = H5Dread(dset_id, s2_tid, H5S_ALL, H5S_ALL, H5P_DEFAULT, &s2);
CHECK(ret, FAIL, "H5Dread");
VERIFY(s2.a, COMP_INT_VAL, "H5Dread");
VERIFY(s2.c, COMP_DOUBLE_VAL, "H5Dread");
/* Clean up */
ret = H5Tclose(s1_tid);
CHECK(ret, FAIL, "H5Tclose");
ret = H5Tclose(s2_tid);
CHECK(ret, FAIL, "H5Tclose");
ret = H5Sclose(space_id);
CHECK(ret, FAIL, "H5Sclose");
ret = H5Dclose(dset_id);
CHECK(ret, FAIL, "H5Dclose");
}
/*
* test_enum
* Test that enumerated datatypes can have UTF-8 member names.
*/
void test_enum(hid_t H5_ATTR_UNUSED fid, const char * string)
{
/* Define an enumerated type */
typedef enum {
E1_RED,
E1_GREEN,
E1_BLUE,
E1_WHITE
} c_e1;
/* Variable declarations */
c_e1 val;
herr_t ret;
hid_t type_id;
char readbuf[MAX_STRING_LENGTH];
/* Create an enumerated datatype in HDF5 with a UTF-8 member name*/
type_id = H5Tcreate(H5T_ENUM, sizeof(c_e1));
CHECK(type_id, FAIL, "H5Tcreate");
val = E1_RED;
ret = H5Tenum_insert(type_id, "RED", &val);
CHECK(ret, FAIL, "H5Tenum_insert");
val = E1_GREEN;
ret = H5Tenum_insert(type_id, "GREEN", &val);
CHECK(ret, FAIL, "H5Tenum_insert");
val = E1_BLUE;
ret = H5Tenum_insert(type_id, "BLUE", &val);
CHECK(ret, FAIL, "H5Tenum_insert");
val = E1_WHITE;
ret = H5Tenum_insert(type_id, string, &val);
CHECK(ret, FAIL, "H5Tenum_insert");
/* Ensure that UTF-8 member name gives the right value and vice versa. */
ret = H5Tenum_valueof(type_id, string, &val);
CHECK(ret, FAIL, "H5Tenum_valueof");
VERIFY(val, E1_WHITE, "H5Tenum_valueof");
ret = H5Tenum_nameof(type_id, &val, readbuf, (size_t)MAX_STRING_LENGTH);
CHECK(ret, FAIL, "H5Tenum_nameof");
ret = strcmp(readbuf, string);
VERIFY(ret, 0, "strcmp");
/* Close the datatype */
ret = H5Tclose(type_id);
CHECK(ret, FAIL, "H5Tclose");
}
/*
* test_opaque
* Test comments on opaque datatypes
*/
void test_opaque(hid_t H5_ATTR_UNUSED fid, const char * string)
{
hid_t type_id;
char * read_buf;
herr_t ret;
/* Create an opaque type and give it a UTF-8 tag */
type_id = H5Tcreate(H5T_OPAQUE, (size_t)4);
CHECK(type_id, FAIL, "H5Tcreate");
ret = H5Tset_tag(type_id, string);
CHECK(ret, FAIL, "H5Tset_tag");
/* Read the tag back. */
read_buf = H5Tget_tag(type_id);
ret = strcmp(read_buf, string);
VERIFY(ret, 0, "H5Tget_tag");
H5free_memory(read_buf);
ret = H5Tclose(type_id);
CHECK(ret, FAIL, "H5Tclose");
}
/*********************/
/* Utility functions */
/*********************/
/* mkstr
* Borrwed from dtypes.c.
* Creates a new string data type. Used in string padding tests */
static hid_t mkstr(size_t len, H5T_str_t strpad)
{
hid_t t;
if((t = H5Tcopy(H5T_C_S1)) < 0) return -1;
if(H5Tset_size(t, len) < 0) return -1;
if(H5Tset_strpad(t, strpad) < 0) return -1;
return t;
}
/* write_char
* Append a unicode code point c to test_string in UTF-8 encoding.
* Return the new end of the string.
*/
unsigned int write_char(unsigned int c, char * test_string, unsigned int cur_pos)
{
if (c < 0x80) {
test_string[cur_pos] = (char)c;
cur_pos++;
}
else if (c < 0x800) {
test_string[cur_pos] = (char)(0xC0 | c >> 6);
test_string[cur_pos + 1] = (char)(0x80 | (c & 0x3F));
cur_pos += 2;
}
else if (c < 0x10000) {
test_string[cur_pos] = (char)(0xE0 | c >> 12);
test_string[cur_pos + 1] = (char)(0x80 | (c >> 6 & 0x3F));
test_string[cur_pos + 2] = (char)(0x80 | (c & 0x3F));
cur_pos += 3;
}
else if (c < 0x200000) {
test_string[cur_pos] = (char)(0xF0 | c >> 18);
test_string[cur_pos + 1] = (char)(0x80 | (c >> 12 & 0x3F));
test_string[cur_pos + 2] = (char)(0x80 | (c >> 6 & 0x3F));
test_string[cur_pos + 3] = (char)(0x80 | (c & 0x3F));
cur_pos += 4;
}
return cur_pos;
}
/* dump_string
* Print a string both as text (which will look like garbage) and as hex.
* The text display is not guaranteed to be accurate--certain characters
* could confuse printf (e.g., '\n'). */
void dump_string(const char * string)
{
size_t length;
size_t x;
printf("The string was:\n %s", string);
printf("Or in hex:\n");
length = HDstrlen(string);
for(x=0; x<length; x++)
printf("%x ", string[x] & (0x000000FF));
printf("\n");
}
/* Main test.
* Create a string of random Unicode characters, then run each test with
* that string.
*/
void test_unicode(void)
{
char test_string[MAX_STRING_LENGTH];
unsigned int cur_pos=0; /* Current position in test_string */
unsigned int unicode_point; /* Unicode code point for a single character */
hid_t fid; /* ID of file */
int x; /* Temporary variable */
herr_t ret; /* Generic return value */
/* Output message about test being performed */
MESSAGE(5, ("Testing UTF-8 Encoding\n"));
/* Create a random string with length NUM_CHARS */
HDsrandom((unsigned)HDtime(NULL));
HDmemset(test_string, 0, sizeof(test_string));
for(x=0; x<NUM_CHARS; x++)
{
/* We need to avoid unprintable characters (codes 0-31) and the
* . and / characters, since they aren't allowed in path names.
*/
unicode_point = (unsigned)(HDrandom() % (MAX_CODE_POINT-32)) + 32;
if(unicode_point != 46 && unicode_point != 47)
cur_pos = write_char(unicode_point, test_string, cur_pos);
}
/* Avoid unlikely case of the null string */
if(cur_pos == 0)
{
test_string[cur_pos] = 'Q';
cur_pos++;
}
test_string[cur_pos]='\0';
/* Create file */
fid = H5Fcreate(FILENAME, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
CHECK(fid, FAIL, "H5Fcreate");
test_fl_string(fid, test_string);
test_strpad(fid, "abcdefgh");
test_strpad(fid, test_string);
test_vl_string(fid, test_string);
test_objnames(fid, test_string);
test_attrname(fid, test_string);
test_compound(fid, test_string);
test_enum(fid, test_string);
test_opaque(fid, test_string);
/* Close file */
ret = H5Fclose(fid);
CHECK(ret, FAIL, "H5Fclose");
/* This function could be useful in debugging if certain strings
* create errors.
*/
#ifdef DEBUG
dump_string(test_string);
#endif /* DEBUG */
}
/* cleanup_unicode(void)
* Delete the file this test created.
*/
void cleanup_unicode(void)
{
remove(FILENAME);
}
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