[wxWidgets.git] / tests / longlong / longlongtest.cpp

///////////////////////////////////////////////////////////////////////////////
// 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 "testprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#ifndef WX_PRECOMP
    #include "wx/wx.h"
#endif // WX_PRECOMP

#include "wx/longlong.h"
#include "wx/timer.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 );

        s2 = wxEmptyString;
        s2 << a;
        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

}
Commit	Line	Data
1b035b8c VS	1	///////////////////////////////////////////////////////////////////////////////
	2	// Name: tests/longlong/longlong.cpp
	3	// Purpose: wxLongLong unit test
	4	// Author: Vadim Zeitlin, Wlodzimierz ABX Skiba
	5	// Created: 2004-04-01
	6	// RCS-ID: $Id$
	7	// Copyright: (c) 2004 Vadim Zeitlin, Wlodzimierz Skiba
	8	///////////////////////////////////////////////////////////////////////////////
	9
	10	// ----------------------------------------------------------------------------
	11	// headers
	12	// ----------------------------------------------------------------------------
	13
8899b155	14	#include "testprec.h"
1b035b8c VS	15
	16	#ifdef __BORLANDC__
	17	#pragma hdrstop
	18	#endif
	19
	20	#ifndef WX_PRECOMP
	21	#include "wx/wx.h"
	22	#endif // WX_PRECOMP
	23
	24	#include "wx/longlong.h"
	25	#include "wx/timer.h"
	26
1b035b8c VS	27	// ----------------------------------------------------------------------------
	28	// helpers for testing
	29	// ----------------------------------------------------------------------------
	30
	31	// number of iterations in loops
95762eaf	32	#define ITEMS 1000
1b035b8c VS	33
	34	// make a 64 bit number from 4 16 bit ones
	35	#define MAKE_LL(x1, x2, x3, x4) wxLongLong((x1 << 16) \| x2, (x3 << 16) \| x3)
	36
	37	// get a random 64 bit number
	38	#define RAND_LL() MAKE_LL(rand(), rand(), rand(), rand())
	39
	40	static const long testLongs[] =
	41	{
	42	0,
	43	1,
	44	-1,
	45	LONG_MAX,
	46	LONG_MIN,
	47	0x1234,
	48	-0x1234
	49	};
	50
	51	// ----------------------------------------------------------------------------
	52	// test class
	53	// ----------------------------------------------------------------------------
	54
	55	class LongLongTestCase : public CppUnit::TestCase
	56	{
	57	public:
	58	LongLongTestCase();
	59
	60	private:
	61	CPPUNIT_TEST_SUITE( LongLongTestCase );
	62	CPPUNIT_TEST( Conversion );
	63	CPPUNIT_TEST( Comparison );
	64	CPPUNIT_TEST( Addition );
	65	CPPUNIT_TEST( Multiplication );
	66	CPPUNIT_TEST( Division );
	67	CPPUNIT_TEST( BitOperations );
	68	CPPUNIT_TEST( ToString );
	69	CPPUNIT_TEST_SUITE_END();
	70
	71	void Conversion();
	72	void Comparison();
	73	void Addition();
	74	void Multiplication();
	75	void Division();
	76	void BitOperations();
	77	void ToString();
	78
	79	DECLARE_NO_COPY_CLASS(LongLongTestCase)
	80	};
	81
	82	// register in the unnamed registry so that these tests are run by default
	83	CPPUNIT_TEST_SUITE_REGISTRATION( LongLongTestCase );
	84
	85	// also include in it's own registry so that these tests can be run alone
	86	CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( LongLongTestCase, "LongLongTestCase" );
	87
	88	LongLongTestCase::LongLongTestCase()
	89	{
	90	srand((unsigned)time(NULL));
	91	}
	92
	93	void LongLongTestCase::Conversion()
	94	{
	95	for ( size_t n = 0; n < ITEMS; n++ )
	96	{
97	wxLongLong a = RAND_LL();
98
99	wxLongLong b(a.GetHi(), a.GetLo());
100	CPPUNIT_ASSERT( a == b );
101
102	#if wxUSE_LONGLONG_WX
103	wxLongLongWx c(a.GetHi(), a.GetLo());
104	CPPUNIT_ASSERT( a == c );
105	#endif
106
107	#if wxUSE_LONGLONG_NATIVE
108	wxLongLongNative d(a.GetHi(), a.GetLo());
109	CPPUNIT_ASSERT( a == d );
110	#endif
111	}
112	}
113
114	void LongLongTestCase::Comparison()
115	{
116	static const long ls[2] =
117	{
118	0x1234,
119	-0x1234,
120	};
121
122	wxLongLong lls[2];
123	lls[0] = ls[0];
124	lls[1] = ls[1];
125
126	for ( size_t n = 0; n < WXSIZEOF(testLongs); n++ )
127	{
128	for ( size_t m = 0; m < WXSIZEOF(lls); m++ )
129	{
130	CPPUNIT_ASSERT( (lls[m] < testLongs[n]) == (ls[m] < testLongs[n]) );
131	CPPUNIT_ASSERT( (lls[m] > testLongs[n]) == (ls[m] > testLongs[n]) );
132	CPPUNIT_ASSERT( (lls[m] <= testLongs[n]) == (ls[m] <= testLongs[n]) );
133	CPPUNIT_ASSERT( (lls[m] >= testLongs[n]) == (ls[m] >= testLongs[n]) );
134	CPPUNIT_ASSERT( (lls[m] != testLongs[n]) == (ls[m] != testLongs[n]) );
135	CPPUNIT_ASSERT( (lls[m] == testLongs[n]) == (ls[m] == testLongs[n]) );
136	}
137	}
138	}
139
140	void LongLongTestCase::Addition()
141	{
142	for ( size_t n = 0; n < ITEMS; n++ )
143	{
144	wxLongLong a = RAND_LL();
145	wxLongLong b = RAND_LL();
146	wxLongLong c = a + b;
147
148	#if wxUSE_LONGLONG_NATIVE
149	wxLongLongNative a1 = a;
150	wxLongLongNative b1 = b;
151	wxLongLongNative c1 = a1 + b1;
152	CPPUNIT_ASSERT( c == c1 );
153	#endif
154
155	#if wxUSE_LONGLONG_WX
156	wxLongLongWx a2 = a;
157	wxLongLongWx b2 = b;
158	wxLongLongWx c2 = a2 + b2;
159	CPPUNIT_ASSERT( c == c2 );
160	#endif
161	}
162	}
163
164	void LongLongTestCase::Multiplication()
165	{
166	for ( size_t n = 0; n < ITEMS; n++ )
167	{
168	wxLongLong a = RAND_LL();
169	wxLongLong b = RAND_LL();
170	wxLongLong c = a*b;
171
172	wxLongLong a1(a.GetHi(), a.GetLo());
173	wxLongLong b1(b.GetHi(), b.GetLo());
174	wxLongLong c1 = a1*b1;
175	CPPUNIT_ASSERT( c1 == c );
176
177	#if wxUSE_LONGLONG_WX
178	wxLongLongWx a2(a.GetHi(), a.GetLo());
179	wxLongLongWx b2(b.GetHi(), b.GetLo());
180	wxLongLongWx c2 = a2*b2;
181	CPPUNIT_ASSERT( c2 == c );
182	#endif
183
184	#if wxUSE_LONGLONG_NATIVE
185	wxLongLongNative a3(a.GetHi(), a.GetLo());
186	wxLongLongNative b3(b.GetHi(), b.GetLo());
187	wxLongLongNative c3 = a3*b3;
188	CPPUNIT_ASSERT( c3 == c );
189	#endif
190	}
191	}
192
193	void LongLongTestCase::Division()
194	{
195	for ( size_t n = 0; n < ITEMS; n++ )
196	{
197	// get a random wxLongLong (shifting by 12 the MSB ensures that the
198	// multiplication will not overflow)
199	wxLongLong a = MAKE_LL((rand() >> 12), rand(), rand(), rand());
200
201	// get a random (but non null) long (not wxLongLong for now) divider
202	long l;
203	do
204	{
205	l = rand();
206	}
207	while ( !l );
208
209	wxLongLong q = a / l;
210	wxLongLong r = a % l;
211
212	CPPUNIT_ASSERT( a == ( q * l + r ) );
213
214	#if wxUSE_LONGLONG_WX
215	wxLongLongWx a1(a.GetHi(), a.GetLo());
216	wxLongLongWx q1 = a1 / l;
217	wxLongLongWx r1 = a1 % l;
218	CPPUNIT_ASSERT( q == q1 );
219	CPPUNIT_ASSERT( r == r1 );
220	CPPUNIT_ASSERT( a1 == ( q1 * l + r1 ) );
221	#endif
222
223	#if wxUSE_LONGLONG_NATIVE
224	wxLongLongNative a2(a.GetHi(), a.GetLo());
225	wxLongLongNative q2 = a2 / l;
226	wxLongLongNative r2 = a2 % l;
227	CPPUNIT_ASSERT( q == q2 );
228	CPPUNIT_ASSERT( r == r2 );
229	CPPUNIT_ASSERT( a2 == ( q2 * l + r2 ) );
230	#endif
231	}
232	}
233
234	void LongLongTestCase::BitOperations()
235	{
236	for ( size_t n = 0; n < ITEMS; n++ )
237	{
238	wxLongLong a = RAND_LL();
239
240	for ( size_t n = 0; n < 33; n++ )
241	{
242	wxLongLong b(a.GetHi(), a.GetLo()), c, d = b, e;
51496782 WS	243	d >>= n;
51496782 WS	244	c = b >> n;
1b035b8c	245	CPPUNIT_ASSERT( c == d );
51496782 WS	246	d <<= n;
51496782 WS	247	e = c << n;
1b035b8c VS	248	CPPUNIT_ASSERT( d == e );
	249
	250	#if wxUSE_LONGLONG_WX
	251	wxLongLongWx b1(a.GetHi(), a.GetLo()), c1, d1 = b1, e1;
51496782 WS	252	d1 >>= n;
51496782 WS	253	c1 = b1 >> n;
1b035b8c	254	CPPUNIT_ASSERT( c1 == d1 );
51496782 WS	255	d1 <<= n;
51496782 WS	256	e1 = c1 << n;
1b035b8c VS	257	CPPUNIT_ASSERT( d1 == e1 );
	258	#endif
	259
	260	#if wxUSE_LONGLONG_NATIVE
	261	wxLongLongNative b2(a.GetHi(), a.GetLo()), c2, d2 = b2, e2;
51496782 WS	262	d2 >>= n;
51496782 WS	263	c2 = b2 >> n;
1b035b8c	264	CPPUNIT_ASSERT( c2 == d2 );
51496782 WS	265	d2 <<= n;
51496782 WS	266	e2 = c2 << n;
1b035b8c VS	267	CPPUNIT_ASSERT( d2 == e2 );
	268	#endif
	269	}
	270	}
	271	}
	272
	273	void LongLongTestCase::ToString()
	274	{
	275	wxString s1, s2;
	276
	277	for ( size_t n = 0; n < WXSIZEOF(testLongs); n++ )
	278	{
	279	wxLongLong a = testLongs[n];
	280	s1 = wxString::Format(_T("%ld"), testLongs[n]);
	281	s2 = a.ToString();
	282	CPPUNIT_ASSERT( s1 == s2 );
	283
51496782 WS	284	s2 = wxEmptyString;
	285	s2 << a;
	286	CPPUNIT_ASSERT( s1 == s2 );
	287
1b035b8c VS	288	#if wxUSE_LONGLONG_WX
	289	wxLongLongWx a1 = testLongs[n];
	290	s2 = a1.ToString();
	291	CPPUNIT_ASSERT( s1 == s2 );
	292	#endif
	293
	294	#if wxUSE_LONGLONG_NATIVE
	295	wxLongLongNative a2 = testLongs[n];
	296	s2 = a2.ToString();
	297	CPPUNIT_ASSERT( s1 == s2 );
	298	#endif
	299	}
	300
	301	wxLongLong a(0x12345678, 0x87654321);
	302	CPPUNIT_ASSERT( a.ToString() == _T("1311768467139281697") );
	303	a.Negate();
	304	CPPUNIT_ASSERT( a.ToString() == _T("-1311768467139281697") );
	305
	306	#if wxUSE_LONGLONG_WX
	307	wxLongLongWx a1(a.GetHi(), a.GetLo());
	308	CPPUNIT_ASSERT( a1.ToString() == _T("-1311768467139281697") );
	309	a1.Negate();
	310	CPPUNIT_ASSERT( a1.ToString() == _T("1311768467139281697") );
	311	#endif
	312
	313	#if wxUSE_LONGLONG_NATIVE
	314	wxLongLongNative a2(a.GetHi(), a.GetLo());
	315	CPPUNIT_ASSERT( a2.ToString() == _T("-1311768467139281697") );
	316	a2.Negate();
	317	CPPUNIT_ASSERT( a2.ToString() == _T("1311768467139281697") );
	318	#endif
	319
	320	}
	321