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146 lines
4.1 KiB
C
146 lines
4.1 KiB
C
/* This is part of the netCDF package. Copyright 2005-2019 University
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Corporation for Atmospheric Research/Unidata. See COPYRIGHT file
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for conditions of use.
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Test list functions in nclistmgr.c.
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Ed Hartnett, 8/10/19
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*/
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#include "config.h"
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#include <nc_tests.h>
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#include "nc.h"
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#include "ncdispatch.h"
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#include "err_macros.h"
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/* An integer value to use in testing. */
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#define TEST_VAL_42 42
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#define FILE_NAME "tst_nclist.nc"
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int
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main(int argc, char **argv)
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{
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printf("\n*** Testing netcdf internal NC list functions.\n");
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printf("Testing NC list functions with no open files...");
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{
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/* These are cases where there are no files, or NULL
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* params. */
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if (count_NCList()) ERR;
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free_NCList();
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if (find_in_NCList_by_name("nope")) ERR;
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if (iterate_NCList(0, NULL)) ERR;
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}
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SUMMARIZE_ERR;
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printf("Testing adding to NC list...");
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{
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int ncid;
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NC *ncp, *ncp2;
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int mode = 0;
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int ret;
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/* Create the NC* instance and insert its dispatcher and model. */
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if ((ret = new_NC(NULL, FILE_NAME, mode, &ncp))) ERR;
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/* Nothing to find yet. */
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if (find_in_NCList(TEST_VAL_42)) ERR;
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/* Add to list of known open files and define ext_ncid. To get
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* the ncid, we find the first open index > 1 in the
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* nc_filelist array, which has a size of 65536. Then we
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* left-shift that index 16 bits to put it in the first
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* 2-bytes of the 4-byte ncid. (The other two bytes are
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* reserved for grpid of netCDF-4 groups.) */
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add_to_NCList(ncp);
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/* These won't work! */
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if (find_in_NCList(TEST_VAL_42)) ERR;
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if (find_in_NCList_by_name("nope")) ERR;
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if ((ret = iterate_NCList(2, &ncp2))) ERR;
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/* Find it in the list. */
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if (!(ncp2 = find_in_NCList(ncp->ext_ncid))) ERR;
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if (!(ncp2 = find_in_NCList_by_name(FILE_NAME))) ERR;
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if ((ret = iterate_NCList(1, &ncp2))) ERR;
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if (count_NCList() != 1) ERR;
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/* Won't do anything because list contains an entry. */
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free_NCList();
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/* Delete it. */
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ncid = ncp->ext_ncid;
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del_from_NCList(ncp); /* Will free empty list. */
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free_NC(ncp);
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/* Ensure it is no longer in list. */
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if (find_in_NCList(ncid)) ERR;
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}
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SUMMARIZE_ERR;
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printf("Testing moving in NC list (needed for PIO)...");
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{
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int ncid;
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NC *ncp, *ncp2;
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int mode = 0;
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int ret;
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/* Create the NC* instance and add it to list. */
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if ((ret = new_NC(NULL, FILE_NAME, mode, &ncp))) ERR;
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add_to_NCList(ncp);
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/* Find it in the list. */
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if (!(ncp2 = find_in_NCList(ncp->ext_ncid))) ERR;
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/* Move it. */
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ncid = ncp->ext_ncid;
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if (move_in_NCList(ncp, TEST_VAL_42)) ERR;
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/* Now we won't find old ncid in the list. */
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if (find_in_NCList(ncid)) ERR;
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/* Delete it. */
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ncid = ncp->ext_ncid;
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del_from_NCList(ncp); /* Will free empty list. */
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free_NC(ncp);
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/* Ensure it is no longer in list. */
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if (find_in_NCList(ncid)) ERR;
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}
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SUMMARIZE_ERR;
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#ifdef LARGE_FILE_TESTS
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/* This test is slow, only run it on large file test builds. */
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printf("Testing maxing out NC list...");
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{
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NC *ncp;
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int mode = 0;
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int max_num_nc = 65535;
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int i;
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int ret;
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/* Fill the NC list. */
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for (i = 0; i < max_num_nc; i++)
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{
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if ((ret = new_NC(NULL, FILE_NAME, mode, &ncp))) ERR;
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if (add_to_NCList(ncp)) ERR;
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}
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/* Check the count. */
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if (count_NCList() != max_num_nc) ERR;
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/* Try and add another. It will fail. */
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if (add_to_NCList(ncp) != NC_ENOMEM) ERR;
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/* Delete them all. */
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for (i = 0; i < max_num_nc; i++)
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{
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if (iterate_NCList(i + 1, &ncp)) ERR;
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if (!ncp) ERR;
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del_from_NCList(ncp);
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free_NC(ncp);
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}
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}
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SUMMARIZE_ERR;
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#endif /* LARGE_FILE_TESTS */
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FINAL_RESULTS;
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}
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