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added user test to check for memory problems

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This commit is contained in:
Ed Hartnett 2011-01-12 19:26:56 +00:00
parent a5861e57ec
commit 26a520147e
2 changed files with 95 additions and 4 deletions
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7
cxx/Makefile.am
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@ -17,7 +17,7 @@ AM_LDFLAGS =
CLEANFILES = nctst_classic.nc nctst_64bit_offset.nc nctst_netcdf4.nc \
nctst_netcdf4_classic.nc nctst_classic.cdl nctst_64bit_offset.cdl \
tst_failure.nc
tst_*.nc
EXTRA_DIST = ref_nctst.cdl ref_nctst_64bit_offset.cdl \
ref_nctst_netcdf4.cdl ref_nctst_netcdf4_classic.cdl run_nc_tests.sh \
@ -27,7 +27,8 @@ run_nc4_tests.sh
# create CDL files, which are compared with some reference files
# shipped with the code. tst_failure is a program that is intended to
# fail.
TESTFILES = nctst$(EXEEXT) tst_failure$(EXEEXT)
TESTFILES = nctst$(EXEEXT) tst_failure$(EXEEXT) tst_many_writes$(EXEEXT)
tst_many_writes_SOURCES = tst_many_writes.cpp
nctst_SOURCES = nctst.cpp
tst_failure_SOURCES = tst_failure.cpp
XFAIL_TESTS = tst_failure$(EXEEXT)
@ -54,5 +55,3 @@ lib_LTLIBRARIES = libnetcdf_c++.la
# Library source.
libnetcdf_c___la_SOURCES = netcdf.cpp ncvalues.cpp
test: check

92
cxx/tst_many_writes.cpp Normal file
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@ -0,0 +1,92 @@
#include <iostream>
#include <sstream>
extern "C" {
#include <netcdf.h>
}
using namespace std;
//Exception class
class NcErrorException : public exception
{
public:
NcErrorException(const string& descr) throw(): exception(), _descr(descr) {};
~NcErrorException() throw() {};
const char* what() const throw() { ostringstream err; err << "NcErrorException: " << _descr; return err.str().c_str(); };
private:
string _descr;
};
void handle_error(int status) {
if (status != NC_NOERR) {
throw NcErrorException(nc_strerror(status));
}
};
/******MAIN********/
int main(int argc, char** argv)
{
int NUMVARS = 5;
size_t NUMREC=10000;
int fileId, dimId, varId[NUMVARS];
string filename("tst_many_writes.nc");
try{
//create the netcdf-4 file
handle_error ( nc_create(filename.c_str(), NC_NETCDF4, &fileId) );
//cout << "Netcdf file " << filename << " successfully created..." << endl;
//define the unlimited dimension "rec"
handle_error ( nc_def_dim(fileId, "rec", NC_UNLIMITED, &dimId) ); //--> Segmentation Fault
//handle_error ( nc_def_dim(fileId, "rec", NUMREC, &dimId) ); //--> Good!!
int dimids[1] = {dimId};
//define NUMVARS variables named field_%i using a loop
for (int v=0; v<NUMVARS; v++)
{
size_t chunkSize[1] = {100000};
ostringstream varName; varName << "field_" << v;
handle_error ( nc_def_var(fileId, varName.str().c_str(), NC_DOUBLE, 1, dimids , &varId[v]) );
handle_error ( nc_def_var_chunking(fileId, varId[v], NC_CHUNKED, chunkSize ) );
}
handle_error ( nc_enddef(fileId) );
cout << "Variables successfully defined." << endl;
//write data to the NUMVARS variables using nc_put_var1_double
double data = 100;
size_t index[1] ;
char charName[NC_MAX_NAME+1];
for (int v=0; v<NUMVARS; v++)
{
handle_error ( nc_inq_varname(fileId, varId[v], charName ) );
cout << "Writing data to variable <" << charName << ">" << endl;
for (size_t i = 0; i< NUMREC ; i++)
{
if( ( i% 2000 )==0)
cout << "Record n." << i << endl;
index[0] = i;
handle_error ( nc_put_var1_double(fileId, varId[v], index, &data ) );
}
}
//close file
handle_error ( nc_close(fileId) );
}
catch(exception &ex) //exception handling
{
cerr << "Exception caught: " << ex.what() << endl;
return -1;
}
cout << "Test passed: file " << filename << " successfully written." << endl;
}