a9e9946154
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30194 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
320 lines
8.1 KiB
C++
320 lines
8.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// Name: tests/longlong/longlong.cpp
|
|
// Purpose: wxLongLong unit test
|
|
// Author: Vadim Zeitlin, Wlodzimierz ABX Skiba
|
|
// Created: 2004-04-01
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) 2004 Vadim Zeitlin, Wlodzimierz Skiba
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// headers
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#include "wx/wxprec.h"
|
|
|
|
#ifdef __BORLANDC__
|
|
#pragma hdrstop
|
|
#endif
|
|
|
|
#ifndef WX_PRECOMP
|
|
#include "wx/wx.h"
|
|
#endif // WX_PRECOMP
|
|
|
|
#include "wx/longlong.h"
|
|
#include "wx/timer.h"
|
|
|
|
#include "wx/cppunit.h"
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// helpers for testing
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// number of iterations in loops
|
|
#define ITEMS 1000
|
|
|
|
// make a 64 bit number from 4 16 bit ones
|
|
#define MAKE_LL(x1, x2, x3, x4) wxLongLong((x1 << 16) | x2, (x3 << 16) | x3)
|
|
|
|
// get a random 64 bit number
|
|
#define RAND_LL() MAKE_LL(rand(), rand(), rand(), rand())
|
|
|
|
static const long testLongs[] =
|
|
{
|
|
0,
|
|
1,
|
|
-1,
|
|
LONG_MAX,
|
|
LONG_MIN,
|
|
0x1234,
|
|
-0x1234
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// test class
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class LongLongTestCase : public CppUnit::TestCase
|
|
{
|
|
public:
|
|
LongLongTestCase();
|
|
|
|
private:
|
|
CPPUNIT_TEST_SUITE( LongLongTestCase );
|
|
CPPUNIT_TEST( Conversion );
|
|
CPPUNIT_TEST( Comparison );
|
|
CPPUNIT_TEST( Addition );
|
|
CPPUNIT_TEST( Multiplication );
|
|
CPPUNIT_TEST( Division );
|
|
CPPUNIT_TEST( BitOperations );
|
|
CPPUNIT_TEST( ToString );
|
|
CPPUNIT_TEST_SUITE_END();
|
|
|
|
void Conversion();
|
|
void Comparison();
|
|
void Addition();
|
|
void Multiplication();
|
|
void Division();
|
|
void BitOperations();
|
|
void ToString();
|
|
|
|
DECLARE_NO_COPY_CLASS(LongLongTestCase)
|
|
};
|
|
|
|
// register in the unnamed registry so that these tests are run by default
|
|
CPPUNIT_TEST_SUITE_REGISTRATION( LongLongTestCase );
|
|
|
|
// also include in it's own registry so that these tests can be run alone
|
|
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( LongLongTestCase, "LongLongTestCase" );
|
|
|
|
LongLongTestCase::LongLongTestCase()
|
|
{
|
|
srand((unsigned)time(NULL));
|
|
}
|
|
|
|
void LongLongTestCase::Conversion()
|
|
{
|
|
for ( size_t n = 0; n < ITEMS; n++ )
|
|
{
|
|
wxLongLong a = RAND_LL();
|
|
|
|
wxLongLong b(a.GetHi(), a.GetLo());
|
|
CPPUNIT_ASSERT( a == b );
|
|
|
|
#if wxUSE_LONGLONG_WX
|
|
wxLongLongWx c(a.GetHi(), a.GetLo());
|
|
CPPUNIT_ASSERT( a == c );
|
|
#endif
|
|
|
|
#if wxUSE_LONGLONG_NATIVE
|
|
wxLongLongNative d(a.GetHi(), a.GetLo());
|
|
CPPUNIT_ASSERT( a == d );
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void LongLongTestCase::Comparison()
|
|
{
|
|
static const long ls[2] =
|
|
{
|
|
0x1234,
|
|
-0x1234,
|
|
};
|
|
|
|
wxLongLong lls[2];
|
|
lls[0] = ls[0];
|
|
lls[1] = ls[1];
|
|
|
|
for ( size_t n = 0; n < WXSIZEOF(testLongs); n++ )
|
|
{
|
|
for ( size_t m = 0; m < WXSIZEOF(lls); m++ )
|
|
{
|
|
CPPUNIT_ASSERT( (lls[m] < testLongs[n]) == (ls[m] < testLongs[n]) );
|
|
CPPUNIT_ASSERT( (lls[m] > testLongs[n]) == (ls[m] > testLongs[n]) );
|
|
CPPUNIT_ASSERT( (lls[m] <= testLongs[n]) == (ls[m] <= testLongs[n]) );
|
|
CPPUNIT_ASSERT( (lls[m] >= testLongs[n]) == (ls[m] >= testLongs[n]) );
|
|
CPPUNIT_ASSERT( (lls[m] != testLongs[n]) == (ls[m] != testLongs[n]) );
|
|
CPPUNIT_ASSERT( (lls[m] == testLongs[n]) == (ls[m] == testLongs[n]) );
|
|
}
|
|
}
|
|
}
|
|
|
|
void LongLongTestCase::Addition()
|
|
{
|
|
for ( size_t n = 0; n < ITEMS; n++ )
|
|
{
|
|
wxLongLong a = RAND_LL();
|
|
wxLongLong b = RAND_LL();
|
|
wxLongLong c = a + b;
|
|
|
|
#if wxUSE_LONGLONG_NATIVE
|
|
wxLongLongNative a1 = a;
|
|
wxLongLongNative b1 = b;
|
|
wxLongLongNative c1 = a1 + b1;
|
|
CPPUNIT_ASSERT( c == c1 );
|
|
#endif
|
|
|
|
#if wxUSE_LONGLONG_WX
|
|
wxLongLongWx a2 = a;
|
|
wxLongLongWx b2 = b;
|
|
wxLongLongWx c2 = a2 + b2;
|
|
CPPUNIT_ASSERT( c == c2 );
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void LongLongTestCase::Multiplication()
|
|
{
|
|
for ( size_t n = 0; n < ITEMS; n++ )
|
|
{
|
|
wxLongLong a = RAND_LL();
|
|
wxLongLong b = RAND_LL();
|
|
wxLongLong c = a*b;
|
|
|
|
wxLongLong a1(a.GetHi(), a.GetLo());
|
|
wxLongLong b1(b.GetHi(), b.GetLo());
|
|
wxLongLong c1 = a1*b1;
|
|
CPPUNIT_ASSERT( c1 == c );
|
|
|
|
#if wxUSE_LONGLONG_WX
|
|
wxLongLongWx a2(a.GetHi(), a.GetLo());
|
|
wxLongLongWx b2(b.GetHi(), b.GetLo());
|
|
wxLongLongWx c2 = a2*b2;
|
|
CPPUNIT_ASSERT( c2 == c );
|
|
#endif
|
|
|
|
#if wxUSE_LONGLONG_NATIVE
|
|
wxLongLongNative a3(a.GetHi(), a.GetLo());
|
|
wxLongLongNative b3(b.GetHi(), b.GetLo());
|
|
wxLongLongNative c3 = a3*b3;
|
|
CPPUNIT_ASSERT( c3 == c );
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void LongLongTestCase::Division()
|
|
{
|
|
for ( size_t n = 0; n < ITEMS; n++ )
|
|
{
|
|
// get a random wxLongLong (shifting by 12 the MSB ensures that the
|
|
// multiplication will not overflow)
|
|
wxLongLong a = MAKE_LL((rand() >> 12), rand(), rand(), rand());
|
|
|
|
// get a random (but non null) long (not wxLongLong for now) divider
|
|
long l;
|
|
do
|
|
{
|
|
l = rand();
|
|
}
|
|
while ( !l );
|
|
|
|
wxLongLong q = a / l;
|
|
wxLongLong r = a % l;
|
|
|
|
CPPUNIT_ASSERT( a == ( q * l + r ) );
|
|
|
|
#if wxUSE_LONGLONG_WX
|
|
wxLongLongWx a1(a.GetHi(), a.GetLo());
|
|
wxLongLongWx q1 = a1 / l;
|
|
wxLongLongWx r1 = a1 % l;
|
|
CPPUNIT_ASSERT( q == q1 );
|
|
CPPUNIT_ASSERT( r == r1 );
|
|
CPPUNIT_ASSERT( a1 == ( q1 * l + r1 ) );
|
|
#endif
|
|
|
|
#if wxUSE_LONGLONG_NATIVE
|
|
wxLongLongNative a2(a.GetHi(), a.GetLo());
|
|
wxLongLongNative q2 = a2 / l;
|
|
wxLongLongNative r2 = a2 % l;
|
|
CPPUNIT_ASSERT( q == q2 );
|
|
CPPUNIT_ASSERT( r == r2 );
|
|
CPPUNIT_ASSERT( a2 == ( q2 * l + r2 ) );
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void LongLongTestCase::BitOperations()
|
|
{
|
|
for ( size_t n = 0; n < ITEMS; n++ )
|
|
{
|
|
wxLongLong a = RAND_LL();
|
|
|
|
for ( size_t n = 0; n < 33; n++ )
|
|
{
|
|
wxLongLong b(a.GetHi(), a.GetLo()), c, d = b, e;
|
|
d >>= n;
|
|
c = b >> n;
|
|
CPPUNIT_ASSERT( c == d );
|
|
d <<= n;
|
|
e = c << n;
|
|
CPPUNIT_ASSERT( d == e );
|
|
|
|
#if wxUSE_LONGLONG_WX
|
|
wxLongLongWx b1(a.GetHi(), a.GetLo()), c1, d1 = b1, e1;
|
|
d1 >>= n;
|
|
c1 = b1 >> n;
|
|
CPPUNIT_ASSERT( c1 == d1 );
|
|
d1 <<= n;
|
|
e1 = c1 << n;
|
|
CPPUNIT_ASSERT( d1 == e1 );
|
|
#endif
|
|
|
|
#if wxUSE_LONGLONG_NATIVE
|
|
wxLongLongNative b2(a.GetHi(), a.GetLo()), c2, d2 = b2, e2;
|
|
d2 >>= n;
|
|
c2 = b2 >> n;
|
|
CPPUNIT_ASSERT( c2 == d2 );
|
|
d2 <<= n;
|
|
e2 = c2 << n;
|
|
CPPUNIT_ASSERT( d2 == e2 );
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
void LongLongTestCase::ToString()
|
|
{
|
|
wxString s1, s2;
|
|
|
|
for ( size_t n = 0; n < WXSIZEOF(testLongs); n++ )
|
|
{
|
|
wxLongLong a = testLongs[n];
|
|
s1 = wxString::Format(_T("%ld"), testLongs[n]);
|
|
s2 = a.ToString();
|
|
CPPUNIT_ASSERT( s1 == s2 );
|
|
|
|
#if wxUSE_LONGLONG_WX
|
|
wxLongLongWx a1 = testLongs[n];
|
|
s2 = a1.ToString();
|
|
CPPUNIT_ASSERT( s1 == s2 );
|
|
#endif
|
|
|
|
#if wxUSE_LONGLONG_NATIVE
|
|
wxLongLongNative a2 = testLongs[n];
|
|
s2 = a2.ToString();
|
|
CPPUNIT_ASSERT( s1 == s2 );
|
|
#endif
|
|
}
|
|
|
|
wxLongLong a(0x12345678, 0x87654321);
|
|
CPPUNIT_ASSERT( a.ToString() == _T("1311768467139281697") );
|
|
a.Negate();
|
|
CPPUNIT_ASSERT( a.ToString() == _T("-1311768467139281697") );
|
|
|
|
#if wxUSE_LONGLONG_WX
|
|
wxLongLongWx a1(a.GetHi(), a.GetLo());
|
|
CPPUNIT_ASSERT( a1.ToString() == _T("-1311768467139281697") );
|
|
a1.Negate();
|
|
CPPUNIT_ASSERT( a1.ToString() == _T("1311768467139281697") );
|
|
#endif
|
|
|
|
#if wxUSE_LONGLONG_NATIVE
|
|
wxLongLongNative a2(a.GetHi(), a.GetLo());
|
|
CPPUNIT_ASSERT( a2.ToString() == _T("-1311768467139281697") );
|
|
a2.Negate();
|
|
CPPUNIT_ASSERT( a2.ToString() == _T("1311768467139281697") );
|
|
#endif
|
|
|
|
}
|
|
|