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#include "stdafx.h"
#include <sstream>
#include <math.h>
#include "alglibmisc.h"
#include "alglibinternal.h"
#include "linalg.h"
#include "statistics.h"
#include "dataanalysis.h"
#include "specialfunctions.h"
#include "solvers.h"
#include "optimization.h"
#include "diffequations.h"
#include "fasttransforms.h"
#include "integration.h"
#include "interpolation.h"
#if !defined(AE_NO_EXCEPTIONS)
#error "This test should be compiled with AE_NO_EXCEPTIONS defined"
#endif
using namespace alglib;
const char *fmt_str = "%-29s %s\n";
int main()
{
printf("Test exception-free error handling:\n");
#ifdef AE_USE_ALLOC_COUNTER
printf("Allocation counter activated...\n");
alglib_impl::_use_alloc_counter = ae_true;
if( alglib_impl::_alloc_counter!=0 )
{
printf("FAILURE: alloc_counter is non-zero on start!\n");
return 1;
}
{
{
alglib::real_1d_array x;
x.setlength(1);
if( alglib_impl::_alloc_counter==0 )
printf(":::: WARNING: ALLOC_COUNTER IS INACTIVE!!! :::::\\n");
}
if( alglib_impl::_alloc_counter!=0 )
{
printf("FAILURE: alloc_counter does not decrease!\n");
return 1;
}
}
#endif
//
// Test default state of the error flag
//
{
bool passed = true;
passed = passed && !alglib::get_error_flag();
printf(fmt_str, "* default flag value", passed ? "OK" : "FAILED");
fflush(stdout);
if( !passed )
return 1;
}
//
// Test errors during array creation
//
{
bool passed = true;
alglib::clear_error_flag();
// constructors succeeded with working malloc()
alglib::clear_error_flag();
alglib::real_1d_array r1;
passed = passed && !alglib::get_error_flag();
// even with broken malloc() constructor succeeded()
alglib::clear_error_flag();
alglib_impl::_force_malloc_failure = true;
alglib::real_1d_array r2;
passed = passed && !alglib::get_error_flag();
// but setlength() fails without malloc()
alglib::clear_error_flag();
r2.setlength(5);
passed = passed && alglib::get_error_flag();
// clear_error_flag() clears error flag
alglib::clear_error_flag();
passed = passed && !alglib::get_error_flag();
// without clear_error_flag(), error flag is not reset by successful calls
alglib::clear_error_flag();
alglib_impl::_force_malloc_failure = true;
r2.setlength(5);
passed = passed && alglib::get_error_flag() && r2.length()==0;
alglib_impl::_force_malloc_failure = false;
r2.setlength(6);
passed = passed && alglib::get_error_flag() && r2.length()==6;
alglib::clear_error_flag();
r2.setlength(7);
passed = passed && !alglib::get_error_flag() && r2.length()==7;
// assignment to empty array requires malloc()
alglib::clear_error_flag();
alglib_impl::_force_malloc_failure = false;
alglib::real_1d_array r3;
r2.setlength(1);
r2[0] = 123.25;
alglib_impl::_force_malloc_failure = true;
r3 = r2;
passed = passed && alglib::get_error_flag() && r3.length()==0;
alglib_impl::_force_malloc_failure = false;
alglib::clear_error_flag();
r3 = r2;
passed = passed && !alglib::get_error_flag() && r3.length()==1 && r3[0]==123.25;
// assignment to non-empty array does NOT require malloc()
alglib::clear_error_flag();
alglib_impl::_force_malloc_failure = true;
r2[0] = 345;
r3 = r2;
passed = passed && !alglib::get_error_flag() && r3.length()==1 && r3[0]==345;
alglib_impl::_force_malloc_failure = false;
printf(fmt_str, "* 1D arrays", passed ? "OK" : "FAILED");
fflush(stdout);
if( !passed )
return 1;
}
{
bool passed = true;
alglib::clear_error_flag();
// constructors succeeded with working malloc()
alglib::clear_error_flag();
alglib::real_2d_array r1;
passed = passed && !alglib::get_error_flag();
// even with broken malloc() constructor succeeded()
alglib::clear_error_flag();
alglib_impl::_force_malloc_failure = true;
alglib::real_2d_array r2;
passed = passed && !alglib::get_error_flag();
// but setlength() fails without malloc()
alglib::clear_error_flag();
r2.setlength(5,6);
passed = passed && alglib::get_error_flag();
// clear_error_flag() clears error flag
alglib::clear_error_flag();
passed = passed && !alglib::get_error_flag();
// without clear_error_flag(), error flag is not reset by successful calls
alglib::clear_error_flag();
alglib_impl::_force_malloc_failure = true;
r2.setlength(5,6);
passed = passed && alglib::get_error_flag() && r2.rows()==0 && r2.cols()==0;
alglib_impl::_force_malloc_failure = false;
r2.setlength(6,7);
passed = passed && alglib::get_error_flag() && r2.rows()==6 && r2.cols()==7;
alglib::clear_error_flag();
r2.setlength(7,8);
passed = passed && !alglib::get_error_flag() && r2.rows()==7 && r2.cols()==8;
// assignment to empty array requires malloc()
alglib::clear_error_flag();
alglib_impl::_force_malloc_failure = false;
alglib::real_2d_array r3;
r2.setlength(1,1);
r2[0][0] = 123.25;
alglib_impl::_force_malloc_failure = true;
r3 = r2;
passed = passed && alglib::get_error_flag() && r3.rows()==0 && r3.cols()==0;
alglib_impl::_force_malloc_failure = false;
alglib::clear_error_flag();
r3 = r2;
passed = passed && !alglib::get_error_flag() && r3.rows()==1 && r3.cols()==1 && r3[0][0]==123.25;
// assignment to non-empty array does NOT require malloc()
alglib::clear_error_flag();
alglib_impl::_force_malloc_failure = true;
r2[0][0] = 345;
r3 = r2;
passed = passed && !alglib::get_error_flag() && r3.rows()==1 && r3.cols()==1 && r3[0][0]==345;
alglib_impl::_force_malloc_failure = false;
printf(fmt_str, "* 2D arrays", passed ? "OK" : "FAILED");
fflush(stdout);
if( !passed )
return 1;
}
//
// Test ALGLIB objects
//
{
bool passed = true;
alglib::clear_error_flag();
// prepare data for tests
alglib::real_1d_array x, y;
x.setlength(2);
x[0] = 0;
x[1] = 1;
y.setlength(2);
y[0] = 2;
y[1] = 3;
// constructors succeeded with working malloc()
alglib::clear_error_flag();
alglib::spline1dinterpolant s1;
passed = passed && !alglib::get_error_flag();
// with broken malloc() constructor fails()
alglib::clear_error_flag();
alglib_impl::_force_malloc_failure = true;
alglib::spline1dinterpolant s2;
passed = passed && alglib::get_error_flag();
alglib_impl::_force_malloc_failure = false;
// construction with correct malloc() succeeds
alglib::clear_error_flag();
alglib::spline1dbuildlinear(x, y, 2, s1);
passed = passed && !alglib::get_error_flag() && fabs(alglib::spline1dcalc(s1,0.5)-2.5)<1.0E-12;
// assignment with broken malloc() fails
alglib::clear_error_flag();
alglib::spline1dinterpolant s3;
alglib_impl::_force_malloc_failure = true;
s3 = s1;
alglib_impl::_force_malloc_failure = false;
passed = passed && alglib::get_error_flag();
// assignment with broken object fails, but does not crash
alglib::clear_error_flag();
alglib_impl::_force_malloc_failure = true;
alglib::spline1dinterpolant s3b;
passed = passed && s3b.c_ptr()==NULL;
s3b = s1;
alglib_impl::_force_malloc_failure = false;
passed = passed && alglib::get_error_flag();
// assignment with working malloc() succeeds
alglib::clear_error_flag();
s3 = s1;
passed = passed && !alglib::get_error_flag() && fabs(alglib::spline1dcalc(s3,0.5)-2.5)<1.0E-12;
// copy constructor with broken malloc fails
alglib::clear_error_flag();
alglib_impl::_force_malloc_failure = true;
alglib::spline1dinterpolant s4(s1);
alglib_impl::_force_malloc_failure = false;
passed = passed && alglib::get_error_flag();
// copy constructor with working malloc succeeds
alglib::clear_error_flag();
alglib::spline1dinterpolant s5(s1);
passed = passed && !alglib::get_error_flag() && fabs(alglib::spline1dcalc(s5,0.5)-2.5)<1.0E-12;
printf(fmt_str, "* ALGLIB objects", passed ? "OK" : "FAILED");
fflush(stdout);
if( !passed )
return 1;
}
//
// Test ALGLIB functions
//
{
bool passed = true;
//
alglib::clear_error_flag();
alglib::spline1dinterpolant s1;
alglib::real_1d_array x, y;
x.setlength(2);
x[0] = 0;
x[1] = 1;
y.setlength(2);
y[0] = 2;
y[1] = alglib::fp_nan;
passed = passed && !alglib::get_error_flag();
alglib::spline1dbuildlinear(x, y, 2, s1);
passed = passed && alglib::get_error_flag();
printf(fmt_str, "* ALGLIB functions", passed ? "OK" : "FAILED");
fflush(stdout);
if( !passed )
return 1;
}
//
// Allocation counter
//
#ifdef AE_USE_ALLOC_COUNTER
printf("Allocation counter checked... ");
if( alglib_impl::_alloc_counter!=0 )
{
printf("FAILURE: alloc_counter is non-zero on end!\n");
return 1;
}
else
printf("OK\n");
#endif
//
// Return
//
return 0;
}
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