[wxWidgets.git] / tests / hashes / hashes.cpp

///////////////////////////////////////////////////////////////////////////////
// Name:        tests/hashes/hashes.cpp
// Purpose:     wxHashTable, wxHashMap, wxHashSet unit test
// Author:      Vadim Zeitlin, Mattia Barbon
// Modified:    Mike Wetherell
// Created:     2004-05-16
// RCS-ID:      $Id$
// Copyright:   (c) 2004 Vadim Zeitlin, Mattia Barbon, 2005 M. Wetherell
///////////////////////////////////////////////////////////////////////////////

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#include "testprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

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

#include "wx/hash.h"
#include "wx/hashmap.h"
#include "wx/hashset.h"

#if defined wxLongLong_t && !defined wxLongLongIsLong && \
        (!defined __VISUALC__ || __VISUALC__ > 1100)    // doesn't work on VC5
    #define TEST_LONGLONG
#endif

// --------------------------------------------------------------------------
// helper class for typed/untyped wxHashTable
// --------------------------------------------------------------------------

struct Foo
{
    Foo(int n_) { n = n_; count++; }
    ~Foo() { count--; }

    int n;

    static size_t count;
};

size_t Foo::count = 0;

struct FooObject : public wxObject
{
    FooObject(int n_) { n = n_; count++; }
    ~FooObject() { count--; }

    int n;

    static size_t count;
};

size_t FooObject::count = 0;

// --------------------------------------------------------------------------
// test class
// --------------------------------------------------------------------------

class HashesTestCase : public CppUnit::TestCase
{
public:
    HashesTestCase() { }

private:
    CPPUNIT_TEST_SUITE( HashesTestCase );
        CPPUNIT_TEST( wxHashTableTest );
        CPPUNIT_TEST( wxUntypedHashTableDeleteContents );
        CPPUNIT_TEST( wxTypedHashTableTest );
        CPPUNIT_TEST( StringHashMapTest );
        CPPUNIT_TEST( PtrHashMapTest );
        CPPUNIT_TEST( LongHashMapTest );
        CPPUNIT_TEST( ULongHashMapTest );
        CPPUNIT_TEST( UIntHashMapTest );
        CPPUNIT_TEST( IntHashMapTest );
        CPPUNIT_TEST( ShortHashMapTest );
        CPPUNIT_TEST( UShortHashMapTest );
#ifdef TEST_LONGLONG
        CPPUNIT_TEST( LLongHashMapTest );
        CPPUNIT_TEST( ULLongHashMapTest );
#endif
        CPPUNIT_TEST( wxHashSetTest );
    CPPUNIT_TEST_SUITE_END();

    void wxHashTableTest();
    void wxUntypedHashTableDeleteContents();
    void wxTypedHashTableTest();
    void StringHashMapTest();
    void PtrHashMapTest();
    void LongHashMapTest();
    void ULongHashMapTest();
    void UIntHashMapTest();
    void IntHashMapTest();
    void ShortHashMapTest();
    void UShortHashMapTest();
#ifdef TEST_LONGLONG
    void LLongHashMapTest();
    void ULLongHashMapTest();
#endif
    void wxHashSetTest();

    DECLARE_NO_COPY_CLASS(HashesTestCase)
};

// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( HashesTestCase );

// also include in it's own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( HashesTestCase, "HashesTestCase" );

void HashesTestCase::wxHashTableTest()
{
    const int COUNT = 100;

    {
        wxHashTable hash(wxKEY_INTEGER, 10), hash2(wxKEY_STRING);
        wxObject o;
        int i;

        for ( i = 0; i < COUNT; ++i )
            hash.Put(i, &o + i);

        hash.BeginFind();
        wxHashTable::compatibility_iterator it = hash.Next();
        i = 0;

        while (it)
        {
            ++i;
            it = hash.Next();
        }

        CPPUNIT_ASSERT( i == COUNT );

        for ( i = 99; i >= 0; --i )
            CPPUNIT_ASSERT( hash.Get(i) == &o + i );

        for ( i = 0; i < COUNT; ++i )
            hash.Put(i, &o + i + 20);

        for ( i = 99; i >= 0; --i )
            CPPUNIT_ASSERT( hash.Get(i) == &o + i);

        for ( i = 0; i < COUNT/2; ++i )
            CPPUNIT_ASSERT( hash.Delete(i) == &o + i);

        for ( i = COUNT/2; i < COUNT; ++i )
            CPPUNIT_ASSERT( hash.Get(i) == &o + i);

        for ( i = 0; i < COUNT/2; ++i )
            CPPUNIT_ASSERT( hash.Get(i) == &o + i + 20);

        for ( i = 0; i < COUNT/2; ++i )
            CPPUNIT_ASSERT( hash.Delete(i) == &o + i + 20);

        for ( i = 0; i < COUNT/2; ++i )
            CPPUNIT_ASSERT( hash.Get(i) == NULL);

        hash2.Put(_T("foo"), &o + 1);
        hash2.Put(_T("bar"), &o + 2);
        hash2.Put(_T("baz"), &o + 3);

        CPPUNIT_ASSERT(hash2.Get(_T("moo")) == NULL);
        CPPUNIT_ASSERT(hash2.Get(_T("bar")) == &o + 2);

        hash2.Put(_T("bar"), &o + 0);

        CPPUNIT_ASSERT(hash2.Get(_T("bar")) == &o + 2);
    }

    // and now some corner-case testing; 3 and 13 hash to the same bucket
    {
        wxHashTable hash(wxKEY_INTEGER, 10);
        wxObject dummy;

        hash.Put(3, &dummy);
        hash.Delete(3);

        CPPUNIT_ASSERT(hash.Get(3) == NULL);

        hash.Put(3, &dummy);
        hash.Put(13, &dummy);
        hash.Delete(3);

        CPPUNIT_ASSERT(hash.Get(3) == NULL);

        hash.Delete(13);

        CPPUNIT_ASSERT(hash.Get(13) == NULL);

        hash.Put(3, &dummy);
        hash.Put(13, &dummy);
        hash.Delete(13);

        CPPUNIT_ASSERT(hash.Get(13) == NULL);

        hash.Delete(3);

        CPPUNIT_ASSERT(hash.Get(3) == NULL);
    }

    // test for key + value access (specifically that supplying either
    // wrong key or wrong value returns NULL)
    {
        wxHashTable hash(wxKEY_INTEGER, 10);
        wxObject dummy;

        hash.Put(3, 7, &dummy + 7);
        hash.Put(4, 8, &dummy + 8);

        CPPUNIT_ASSERT(hash.Get(7) == NULL);
        CPPUNIT_ASSERT(hash.Get(3, 7) == &dummy + 7);
        CPPUNIT_ASSERT(hash.Get(4) == NULL);
        CPPUNIT_ASSERT(hash.Get(3) == NULL);
        CPPUNIT_ASSERT(hash.Get(8) == NULL);
        CPPUNIT_ASSERT(hash.Get(8, 4) == NULL);

        CPPUNIT_ASSERT(hash.Delete(7) == NULL);
        CPPUNIT_ASSERT(hash.Delete(3) == NULL);
        CPPUNIT_ASSERT(hash.Delete(3, 7) == &dummy + 7);
    }

}

void HashesTestCase::wxUntypedHashTableDeleteContents()
{
    // need a nested scope for destruction
    {
        wxHashTable hash;
        hash.DeleteContents(true);

        CPPUNIT_ASSERT( hash.GetCount() == 0 );
        CPPUNIT_ASSERT( FooObject::count == 0 );

        static const int hashTestData[] =
        {
            0, 1, 17, -2, 2, 4, -4, 345, 3, 3, 2, 1,
        };

        size_t n;
        for ( n = 0; n < WXSIZEOF(hashTestData); n++ )
        {
            hash.Put(hashTestData[n], n, new FooObject(n));
        }

        CPPUNIT_ASSERT( hash.GetCount() == WXSIZEOF(hashTestData) );
        CPPUNIT_ASSERT( FooObject::count == WXSIZEOF(hashTestData) );

        // delete from hash without deleting object
        FooObject* foo = (FooObject*)hash.Delete(0l);

        CPPUNIT_ASSERT( FooObject::count == WXSIZEOF(hashTestData) );
        delete foo;
        CPPUNIT_ASSERT( FooObject::count == WXSIZEOF(hashTestData) - 1 );
    }

    // hash destroyed
    CPPUNIT_ASSERT( FooObject::count == 0 );
}

#if WXWIN_COMPATIBILITY_2_4
WX_DECLARE_LIST(Foo, wxListFoos);
#endif

WX_DECLARE_HASH(Foo, wxListFoos, wxHashFoos);

#if WXWIN_COMPATIBILITY_2_4
#include "wx/listimpl.cpp"
WX_DEFINE_LIST(wxListFoos)
#endif

void HashesTestCase::wxTypedHashTableTest()
{
    // need a nested scope for destruction
    {
        wxHashFoos hash;
        hash.DeleteContents(true);

        CPPUNIT_ASSERT( hash.GetCount() == 0 );
        CPPUNIT_ASSERT( Foo::count == 0 );

        static const int hashTestData[] =
        {
            0, 1, 17, -2, 2, 4, -4, 345, 3, 3, 2, 1,
        };

        size_t n;
        for ( n = 0; n < WXSIZEOF(hashTestData); n++ )
        {
            hash.Put(hashTestData[n], n, new Foo(n));
        }

        CPPUNIT_ASSERT( hash.GetCount() == WXSIZEOF(hashTestData) );
        CPPUNIT_ASSERT( Foo::count == WXSIZEOF(hashTestData) );

        for ( n = 0; n < WXSIZEOF(hashTestData); n++ )
        {
            Foo *foo = hash.Get(hashTestData[n], n);

            CPPUNIT_ASSERT( foo != NULL );
            CPPUNIT_ASSERT( foo->n == (int)n );
        }

        // element not in hash
        CPPUNIT_ASSERT( hash.Get(1234) == NULL );
        CPPUNIT_ASSERT( hash.Get(1, 0) == NULL );

        // delete from hash without deleting object
        Foo* foo = hash.Delete(0);

        CPPUNIT_ASSERT( Foo::count == WXSIZEOF(hashTestData) );
        delete foo;
        CPPUNIT_ASSERT( Foo::count == WXSIZEOF(hashTestData) - 1 );
    }

    // hash destroyed
    CPPUNIT_ASSERT( Foo::count == 0 );
}

// test compilation of basic map types
WX_DECLARE_HASH_MAP( int*, int*, wxPointerHash, wxPointerEqual, myPtrHashMap );
WX_DECLARE_HASH_MAP( long, long, wxIntegerHash, wxIntegerEqual, myLongHashMap );
WX_DECLARE_HASH_MAP( unsigned long, unsigned, wxIntegerHash, wxIntegerEqual,
                     myUnsignedHashMap );
WX_DECLARE_HASH_MAP( unsigned int, unsigned, wxIntegerHash, wxIntegerEqual,
                     myTestHashMap1 );
WX_DECLARE_HASH_MAP( int, unsigned, wxIntegerHash, wxIntegerEqual,
                     myTestHashMap2 );
WX_DECLARE_HASH_MAP( short, unsigned, wxIntegerHash, wxIntegerEqual,
                     myTestHashMap3 );
WX_DECLARE_HASH_MAP( unsigned short, unsigned, wxIntegerHash, wxIntegerEqual,
                     myTestHashMap4 );

// same as:
// WX_DECLARE_HASH_MAP( wxString, wxString, wxStringHash, wxStringEqual,
//                      myStringHashMap );
WX_DECLARE_STRING_HASH_MAP(wxString, myStringHashMap);

#ifdef TEST_LONGLONG
    WX_DECLARE_HASH_MAP( wxLongLong_t, wxLongLong_t,
                         wxIntegerHash, wxIntegerEqual, myLLongHashMap );
    WX_DECLARE_HASH_MAP( wxULongLong_t, wxULongLong_t,
                         wxIntegerHash, wxIntegerEqual, myULLongHashMap );
#endif

// Helpers to generate a key value pair for item 'i', out of a total of 'count'
void MakeKeyValuePair(size_t i, size_t /*count*/, wxString& key, wxString& val)
{
    key.clear();
    key << i;
    val = wxT("A") + key + wxT("C");
}

// for integral keys generate a range of keys that will use all the bits of
// the key type
template <class IntT, class KeyT>
IntT MakeKey(size_t i, size_t count)
{
    IntT max = 1;
    max <<= sizeof(KeyT) * 8 - 2;
    max -= count / 4 + 1;
     
    return max / count * 4 * i + i / 3;
}

// make key/value pairs for integer types
template <class KeyT, class ValueT>
void MakeKeyValuePair(size_t i, size_t count, KeyT& key, ValueT& value)
{
    key = MakeKey<KeyT, KeyT>(i, count);
    value = wx_truncate_cast(ValueT, key);
}

// make key/values paris for pointer types
template <class T, class ValueT>
void MakeKeyValuePair(size_t i, size_t count, T*& key, ValueT& value)
{
    key = (T*)wxUIntToPtr(MakeKey<wxUIntPtr, T*>(i, count));
    value = wx_truncate_cast(ValueT, key);
}

// the test
template <class HashMapT>
void HashMapTest()
{
#if wxUSE_STL && defined HAVE_STL_HASH_MAP
    typedef typename HashMapT::value_type::second_type value_type;
#else
    typedef typename HashMapT::value_type::t2 value_type;
#endif
    typedef typename HashMapT::key_type key_type;
    typedef typename HashMapT::iterator Itor;

    HashMapT sh(0); // as small as possible
    key_type buf;
    value_type value;
    size_t i;
    const size_t count = 10000;

    // init with some data
    for( i = 0; i < count; ++i )
    {
        MakeKeyValuePair(i, count, buf, value);
        sh[buf] = value;
    }

    // test that insertion worked
    CPPUNIT_ASSERT( sh.size() == count );

    for( i = 0; i < count; ++i )
    {
        MakeKeyValuePair(i, count, buf, value);
        CPPUNIT_ASSERT( sh[buf] == value );
    }

    // check that iterators work
    Itor it;
    for( i = 0, it = sh.begin(); it != sh.end(); ++it, ++i )
    {
        CPPUNIT_ASSERT( i != count );
        CPPUNIT_ASSERT( it->second == sh[it->first] );
    }

    CPPUNIT_ASSERT( sh.size() == i );

    // test copy ctor, assignment operator
    HashMapT h1( sh ), h2( 0 );
    h2 = sh;

    for( i = 0, it = sh.begin(); it != sh.end(); ++it, ++i )
    {
        CPPUNIT_ASSERT( h1[it->first] == it->second );
        CPPUNIT_ASSERT( h2[it->first] == it->second );
    }

    // other tests
    for( i = 0; i < count; ++i )
    {
        MakeKeyValuePair(i, count, buf, value);
        size_t sz = sh.size();

        // test find() and erase(it)
        if( i < 100 )
        {
            it = sh.find( buf );
            CPPUNIT_ASSERT( it != sh.end() );

            sh.erase( it );

            CPPUNIT_ASSERT( sh.find( buf ) == sh.end() );
        }
        else
        // test erase(key)
        {
            size_t c = sh.erase( buf );
            CPPUNIT_ASSERT( c == 1 );
            CPPUNIT_ASSERT( sh.find( buf ) == sh.end() );
        }

        // count should decrease
        CPPUNIT_ASSERT( sh.size() == sz - 1 );
    }
}

void HashesTestCase::StringHashMapTest() { HashMapTest<myStringHashMap>();   }
void HashesTestCase::PtrHashMapTest()    { HashMapTest<myPtrHashMap>();      }
void HashesTestCase::LongHashMapTest()   { HashMapTest<myLongHashMap>();     }
void HashesTestCase::ULongHashMapTest()  { HashMapTest<myUnsignedHashMap>(); }
void HashesTestCase::UIntHashMapTest()   { HashMapTest<myTestHashMap1>();    }
void HashesTestCase::IntHashMapTest()    { HashMapTest<myTestHashMap2>();    }
void HashesTestCase::ShortHashMapTest()  { HashMapTest<myTestHashMap3>();    }
void HashesTestCase::UShortHashMapTest() { HashMapTest<myTestHashMap4>();    }

#ifdef TEST_LONGLONG
void HashesTestCase::LLongHashMapTest()  { HashMapTest<myLLongHashMap>();    }
void HashesTestCase::ULLongHashMapTest() { HashMapTest<myULLongHashMap>();   }
#endif

// test compilation of basic set types
WX_DECLARE_HASH_SET( int*, wxPointerHash, wxPointerEqual, myPtrHashSet );
WX_DECLARE_HASH_SET( long, wxIntegerHash, wxIntegerEqual, myLongHashSet );
WX_DECLARE_HASH_SET( unsigned long, wxIntegerHash, wxIntegerEqual,
                     myUnsignedHashSet );
WX_DECLARE_HASH_SET( unsigned int, wxIntegerHash, wxIntegerEqual,
                     myTestHashSet1 );
WX_DECLARE_HASH_SET( int, wxIntegerHash, wxIntegerEqual,
                     myTestHashSet2 );
WX_DECLARE_HASH_SET( short, wxIntegerHash, wxIntegerEqual,
                     myTestHashSet3 );
WX_DECLARE_HASH_SET( unsigned short, wxIntegerHash, wxIntegerEqual,
                     myTestHashSet4 );
WX_DECLARE_HASH_SET( wxString, wxStringHash, wxStringEqual,
                     myTestHashSet5 );

struct MyStruct
{
    int* ptr;
    wxString str;
};

class MyHash
{
public:
    unsigned long operator()(const MyStruct& s) const
        { return m_dummy(s.ptr); }
    MyHash& operator=(const MyHash&) { return *this; }
private:
    wxPointerHash m_dummy;
};

class MyEqual
{
public:
    bool operator()(const MyStruct& s1, const MyStruct& s2) const
        { return s1.ptr == s2.ptr; }
    MyEqual& operator=(const MyEqual&) { return *this; }
};

WX_DECLARE_HASH_SET( MyStruct, MyHash, MyEqual, mySet );

typedef myTestHashSet5 wxStringHashSet;

void HashesTestCase::wxHashSetTest()
{
    wxStringHashSet set1;

    set1.insert( _T("abc") );

    CPPUNIT_ASSERT( set1.size() == 1 );

    set1.insert( _T("bbc") );
    set1.insert( _T("cbc") );

    CPPUNIT_ASSERT( set1.size() == 3 );

    set1.insert( _T("abc") );

    CPPUNIT_ASSERT( set1.size() == 3 );

    mySet set2;
    int dummy;
    MyStruct tmp;

    tmp.ptr = &dummy; tmp.str = _T("ABC");
    set2.insert( tmp );
    tmp.ptr = &dummy + 1;
    set2.insert( tmp );
    tmp.ptr = &dummy; tmp.str = _T("CDE");
    set2.insert( tmp );

    CPPUNIT_ASSERT( set2.size() == 2 );

    mySet::iterator it = set2.find( tmp );

    CPPUNIT_ASSERT( it != set2.end() );
    CPPUNIT_ASSERT( it->ptr == &dummy );
    CPPUNIT_ASSERT( it->str == _T("ABC") );
}
Commit	Line	Data
cbca1e08 MB	1	///////////////////////////////////////////////////////////////////////////////
cbca1e08 MB	2	// Name: tests/hashes/hashes.cpp
7d9cfc54	3	// Purpose: wxHashTable, wxHashMap, wxHashSet unit test
cbca1e08	4	// Author: Vadim Zeitlin, Mattia Barbon
d8b6309b	5	// Modified: Mike Wetherell
cbca1e08 MB	6	// Created: 2004-05-16
cbca1e08 MB	7	// RCS-ID: $Id$
d8b6309b	8	// Copyright: (c) 2004 Vadim Zeitlin, Mattia Barbon, 2005 M. Wetherell
cbca1e08 MB	9	///////////////////////////////////////////////////////////////////////////////
	10
	11	// ----------------------------------------------------------------------------
	12	// headers
	13	// ----------------------------------------------------------------------------
	14
8899b155	15	#include "testprec.h"
cbca1e08 MB	16
	17	#ifdef __BORLANDC__
	18	#pragma hdrstop
	19	#endif
	20
	21	#ifndef WX_PRECOMP
	22	#include "wx/wx.h"
	23	#endif // WX_PRECOMP
	24
	25	#include "wx/hash.h"
	26	#include "wx/hashmap.h"
	27	#include "wx/hashset.h"
	28
d8b6309b MW	29	#if defined wxLongLong_t && !defined wxLongLongIsLong && \
	30	(!defined __VISUALC__ \|\| __VISUALC__ > 1100) // doesn't work on VC5
	31	#define TEST_LONGLONG
	32	#endif
	33
cbca1e08 MB	34	// --------------------------------------------------------------------------
	35	// helper class for typed/untyped wxHashTable
	36	// --------------------------------------------------------------------------
	37
	38	struct Foo
	39	{
	40	Foo(int n_) { n = n_; count++; }
	41	~Foo() { count--; }
	42
	43	int n;
	44
	45	static size_t count;
	46	};
	47
	48	size_t Foo::count = 0;
	49
	50	struct FooObject : public wxObject
	51	{
	52	FooObject(int n_) { n = n_; count++; }
	53	~FooObject() { count--; }
	54
	55	int n;
	56
	57	static size_t count;
	58	};
	59
	60	size_t FooObject::count = 0;
	61
	62	// --------------------------------------------------------------------------
	63	// test class
	64	// --------------------------------------------------------------------------
	65
	66	class HashesTestCase : public CppUnit::TestCase
	67	{
	68	public:
	69	HashesTestCase() { }
	70
	71	private:
	72	CPPUNIT_TEST_SUITE( HashesTestCase );
	73	CPPUNIT_TEST( wxHashTableTest );
	74	CPPUNIT_TEST( wxUntypedHashTableDeleteContents );
	75	CPPUNIT_TEST( wxTypedHashTableTest );
d8b6309b MW	76	CPPUNIT_TEST( StringHashMapTest );
	77	CPPUNIT_TEST( PtrHashMapTest );
	78	CPPUNIT_TEST( LongHashMapTest );
	79	CPPUNIT_TEST( ULongHashMapTest );
	80	CPPUNIT_TEST( UIntHashMapTest );
	81	CPPUNIT_TEST( IntHashMapTest );
	82	CPPUNIT_TEST( ShortHashMapTest );
	83	CPPUNIT_TEST( UShortHashMapTest );
	84	#ifdef TEST_LONGLONG
	85	CPPUNIT_TEST( LLongHashMapTest );
	86	CPPUNIT_TEST( ULLongHashMapTest );
	87	#endif
cbca1e08 MB	88	CPPUNIT_TEST( wxHashSetTest );
	89	CPPUNIT_TEST_SUITE_END();
	90
	91	void wxHashTableTest();
	92	void wxUntypedHashTableDeleteContents();
	93	void wxTypedHashTableTest();
d8b6309b MW	94	void StringHashMapTest();
	95	void PtrHashMapTest();
	96	void LongHashMapTest();
	97	void ULongHashMapTest();
	98	void UIntHashMapTest();
	99	void IntHashMapTest();
	100	void ShortHashMapTest();
	101	void UShortHashMapTest();
	102	#ifdef TEST_LONGLONG
	103	void LLongHashMapTest();
	104	void ULLongHashMapTest();
	105	#endif
cbca1e08 MB	106	void wxHashSetTest();
	107
	108	DECLARE_NO_COPY_CLASS(HashesTestCase)
	109	};
	110
	111	// register in the unnamed registry so that these tests are run by default
	112	CPPUNIT_TEST_SUITE_REGISTRATION( HashesTestCase );
	113
	114	// also include in it's own registry so that these tests can be run alone
	115	CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( HashesTestCase, "HashesTestCase" );
	116
	117	void HashesTestCase::wxHashTableTest()
	118	{
	119	const int COUNT = 100;
	120
	121	{
	122	wxHashTable hash(wxKEY_INTEGER, 10), hash2(wxKEY_STRING);
	123	wxObject o;
	124	int i;
	125
	126	for ( i = 0; i < COUNT; ++i )
	127	hash.Put(i, &o + i);
	128
	129	hash.BeginFind();
	130	wxHashTable::compatibility_iterator it = hash.Next();
	131	i = 0;
	132
	133	while (it)
	134	{
	135	++i;
	136	it = hash.Next();
	137	}
	138
	139	CPPUNIT_ASSERT( i == COUNT );
	140
	141	for ( i = 99; i >= 0; --i )
	142	CPPUNIT_ASSERT( hash.Get(i) == &o + i );
	143
	144	for ( i = 0; i < COUNT; ++i )
	145	hash.Put(i, &o + i + 20);
	146
	147	for ( i = 99; i >= 0; --i )
	148	CPPUNIT_ASSERT( hash.Get(i) == &o + i);
	149
	150	for ( i = 0; i < COUNT/2; ++i )
	151	CPPUNIT_ASSERT( hash.Delete(i) == &o + i);
	152
	153	for ( i = COUNT/2; i < COUNT; ++i )
	154	CPPUNIT_ASSERT( hash.Get(i) == &o + i);
	155
	156	for ( i = 0; i < COUNT/2; ++i )
	157	CPPUNIT_ASSERT( hash.Get(i) == &o + i + 20);
	158
	159	for ( i = 0; i < COUNT/2; ++i )
	160	CPPUNIT_ASSERT( hash.Delete(i) == &o + i + 20);
	161
	162	for ( i = 0; i < COUNT/2; ++i )
	163	CPPUNIT_ASSERT( hash.Get(i) == NULL);
	164
	165	hash2.Put(_T("foo"), &o + 1);
	166	hash2.Put(_T("bar"), &o + 2);
	167	hash2.Put(_T("baz"), &o + 3);
	168
	169	CPPUNIT_ASSERT(hash2.Get(_T("moo")) == NULL);
170	CPPUNIT_ASSERT(hash2.Get(_T("bar")) == &o + 2);
171
172	hash2.Put(_T("bar"), &o + 0);
173
174	CPPUNIT_ASSERT(hash2.Get(_T("bar")) == &o + 2);
175	}
176
177	// and now some corner-case testing; 3 and 13 hash to the same bucket
178	{
179	wxHashTable hash(wxKEY_INTEGER, 10);
180	wxObject dummy;
181
182	hash.Put(3, &dummy);
183	hash.Delete(3);
184
185	CPPUNIT_ASSERT(hash.Get(3) == NULL);
186
187	hash.Put(3, &dummy);
188	hash.Put(13, &dummy);
189	hash.Delete(3);
190
191	CPPUNIT_ASSERT(hash.Get(3) == NULL);
192
193	hash.Delete(13);
194
195	CPPUNIT_ASSERT(hash.Get(13) == NULL);
196
197	hash.Put(3, &dummy);
198	hash.Put(13, &dummy);
199	hash.Delete(13);
200
201	CPPUNIT_ASSERT(hash.Get(13) == NULL);
202
203	hash.Delete(3);
204
205	CPPUNIT_ASSERT(hash.Get(3) == NULL);
206	}
207
208	// test for key + value access (specifically that supplying either
209	// wrong key or wrong value returns NULL)
210	{
211	wxHashTable hash(wxKEY_INTEGER, 10);
212	wxObject dummy;
213
214	hash.Put(3, 7, &dummy + 7);
215	hash.Put(4, 8, &dummy + 8);
216
217	CPPUNIT_ASSERT(hash.Get(7) == NULL);
218	CPPUNIT_ASSERT(hash.Get(3, 7) == &dummy + 7);
219	CPPUNIT_ASSERT(hash.Get(4) == NULL);
220	CPPUNIT_ASSERT(hash.Get(3) == NULL);
221	CPPUNIT_ASSERT(hash.Get(8) == NULL);
222	CPPUNIT_ASSERT(hash.Get(8, 4) == NULL);
223
224	CPPUNIT_ASSERT(hash.Delete(7) == NULL);
225	CPPUNIT_ASSERT(hash.Delete(3) == NULL);
226	CPPUNIT_ASSERT(hash.Delete(3, 7) == &dummy + 7);
227	}
228
229	}
230
231	void HashesTestCase::wxUntypedHashTableDeleteContents()
232	{
233	// need a nested scope for destruction
234	{
235	wxHashTable hash;
236	hash.DeleteContents(true);
237
238	CPPUNIT_ASSERT( hash.GetCount() == 0 );
239	CPPUNIT_ASSERT( FooObject::count == 0 );
240
241	static const int hashTestData[] =
242	{
243	0, 1, 17, -2, 2, 4, -4, 345, 3, 3, 2, 1,
244	};
245
246	size_t n;
247	for ( n = 0; n < WXSIZEOF(hashTestData); n++ )
248	{
249	hash.Put(hashTestData[n], n, new FooObject(n));
250	}
251
252	CPPUNIT_ASSERT( hash.GetCount() == WXSIZEOF(hashTestData) );
253	CPPUNIT_ASSERT( FooObject::count == WXSIZEOF(hashTestData) );
254
255	// delete from hash without deleting object
256	FooObject* foo = (FooObject*)hash.Delete(0l);
257
258	CPPUNIT_ASSERT( FooObject::count == WXSIZEOF(hashTestData) );
259	delete foo;
260	CPPUNIT_ASSERT( FooObject::count == WXSIZEOF(hashTestData) - 1 );
261	}
262
263	// hash destroyed
264	CPPUNIT_ASSERT( FooObject::count == 0 );
265	}
266
267	#if WXWIN_COMPATIBILITY_2_4
268	WX_DECLARE_LIST(Foo, wxListFoos);
269	#endif
270
271	WX_DECLARE_HASH(Foo, wxListFoos, wxHashFoos);
272
273	#if WXWIN_COMPATIBILITY_2_4
274	#include "wx/listimpl.cpp"
412e0d47	275	WX_DEFINE_LIST(wxListFoos)
cbca1e08 MB	276	#endif
	277
	278	void HashesTestCase::wxTypedHashTableTest()
	279	{
	280	// need a nested scope for destruction
	281	{
	282	wxHashFoos hash;
	283	hash.DeleteContents(true);
	284
	285	CPPUNIT_ASSERT( hash.GetCount() == 0 );
	286	CPPUNIT_ASSERT( Foo::count == 0 );
	287
	288	static const int hashTestData[] =
	289	{
	290	0, 1, 17, -2, 2, 4, -4, 345, 3, 3, 2, 1,
	291	};
	292
	293	size_t n;
	294	for ( n = 0; n < WXSIZEOF(hashTestData); n++ )
	295	{
	296	hash.Put(hashTestData[n], n, new Foo(n));
	297	}
	298
	299	CPPUNIT_ASSERT( hash.GetCount() == WXSIZEOF(hashTestData) );
	300	CPPUNIT_ASSERT( Foo::count == WXSIZEOF(hashTestData) );
	301
	302	for ( n = 0; n < WXSIZEOF(hashTestData); n++ )
	303	{
	304	Foo *foo = hash.Get(hashTestData[n], n);
	305
	306	CPPUNIT_ASSERT( foo != NULL );
	307	CPPUNIT_ASSERT( foo->n == (int)n );
	308	}
	309
	310	// element not in hash
	311	CPPUNIT_ASSERT( hash.Get(1234) == NULL );
	312	CPPUNIT_ASSERT( hash.Get(1, 0) == NULL );
	313
	314	// delete from hash without deleting object
	315	Foo* foo = hash.Delete(0);
	316
	317	CPPUNIT_ASSERT( Foo::count == WXSIZEOF(hashTestData) );
	318	delete foo;
	319	CPPUNIT_ASSERT( Foo::count == WXSIZEOF(hashTestData) - 1 );
	320	}
	321
	322	// hash destroyed
	323	CPPUNIT_ASSERT( Foo::count == 0 );
	324	}
	325
7d9cfc54 MB	326	// test compilation of basic map types
	327	WX_DECLARE_HASH_MAP( int, int, wxPointerHash, wxPointerEqual, myPtrHashMap );
	328	WX_DECLARE_HASH_MAP( long, long, wxIntegerHash, wxIntegerEqual, myLongHashMap );
	329	WX_DECLARE_HASH_MAP( unsigned long, unsigned, wxIntegerHash, wxIntegerEqual,
	330	myUnsignedHashMap );
	331	WX_DECLARE_HASH_MAP( unsigned int, unsigned, wxIntegerHash, wxIntegerEqual,
	332	myTestHashMap1 );
	333	WX_DECLARE_HASH_MAP( int, unsigned, wxIntegerHash, wxIntegerEqual,
	334	myTestHashMap2 );
	335	WX_DECLARE_HASH_MAP( short, unsigned, wxIntegerHash, wxIntegerEqual,
	336	myTestHashMap3 );
	337	WX_DECLARE_HASH_MAP( unsigned short, unsigned, wxIntegerHash, wxIntegerEqual,
	338	myTestHashMap4 );
	339
	340	// same as:
	341	// WX_DECLARE_HASH_MAP( wxString, wxString, wxStringHash, wxStringEqual,
	342	// myStringHashMap );
	343	WX_DECLARE_STRING_HASH_MAP(wxString, myStringHashMap);
	344
d8b6309b MW	345	#ifdef TEST_LONGLONG
	346	WX_DECLARE_HASH_MAP( wxLongLong_t, wxLongLong_t,
	347	wxIntegerHash, wxIntegerEqual, myLLongHashMap );
	348	WX_DECLARE_HASH_MAP( wxULongLong_t, wxULongLong_t,
	349	wxIntegerHash, wxIntegerEqual, myULLongHashMap );
	350	#endif
	351
	352	// Helpers to generate a key value pair for item 'i', out of a total of 'count'
	353	void MakeKeyValuePair(size_t i, size_t /count/, wxString& key, wxString& val)
	354	{
	355	key.clear();
	356	key << i;
	357	val = wxT("A") + key + wxT("C");
	358	}
	359
	360	// for integral keys generate a range of keys that will use all the bits of
	361	// the key type
	362	template <class IntT, class KeyT>
	363	IntT MakeKey(size_t i, size_t count)
	364	{
	365	IntT max = 1;
	366	max <<= sizeof(KeyT) * 8 - 2;
	367	max -= count / 4 + 1;
	368
	369	return max / count * 4 * i + i / 3;
	370	}
7d9cfc54	371
d8b6309b MW	372	// make key/value pairs for integer types
	373	template <class KeyT, class ValueT>
	374	void MakeKeyValuePair(size_t i, size_t count, KeyT& key, ValueT& value)
cbca1e08	375	{
d8b6309b MW	376	key = MakeKey<KeyT, KeyT>(i, count);
	377	value = wx_truncate_cast(ValueT, key);
	378	}
	379
	380	// make key/values paris for pointer types
	381	template <class T, class ValueT>
	382	void MakeKeyValuePair(size_t i, size_t count, T*& key, ValueT& value)
	383	{
	384	key = (T)wxUIntToPtr(MakeKey<wxUIntPtr, T>(i, count));
	385	value = wx_truncate_cast(ValueT, key);
	386	}
	387
	388	// the test
	389	template <class HashMapT>
	390	void HashMapTest()
	391	{
	392	#if wxUSE_STL && defined HAVE_STL_HASH_MAP
	393	typedef typename HashMapT::value_type::second_type value_type;
	394	#else
	395	typedef typename HashMapT::value_type::t2 value_type;
	396	#endif
	397	typedef typename HashMapT::key_type key_type;
	398	typedef typename HashMapT::iterator Itor;
	399
	400	HashMapT sh(0); // as small as possible
	401	key_type buf;
	402	value_type value;
7d9cfc54 MB	403	size_t i;
	404	const size_t count = 10000;
	405
	406	// init with some data
	407	for( i = 0; i < count; ++i )
	408	{
d8b6309b MW	409	MakeKeyValuePair(i, count, buf, value);
d8b6309b MW	410	sh[buf] = value;
7d9cfc54 MB	411	}
	412
	413	// test that insertion worked
	414	CPPUNIT_ASSERT( sh.size() == count );
	415
	416	for( i = 0; i < count; ++i )
	417	{
d8b6309b MW	418	MakeKeyValuePair(i, count, buf, value);
d8b6309b MW	419	CPPUNIT_ASSERT( sh[buf] == value );
7d9cfc54 MB	420	}
	421
	422	// check that iterators work
	423	Itor it;
	424	for( i = 0, it = sh.begin(); it != sh.end(); ++it, ++i )
	425	{
	426	CPPUNIT_ASSERT( i != count );
	427	CPPUNIT_ASSERT( it->second == sh[it->first] );
	428	}
	429
	430	CPPUNIT_ASSERT( sh.size() == i );
	431
	432	// test copy ctor, assignment operator
d8b6309b	433	HashMapT h1( sh ), h2( 0 );
7d9cfc54 MB	434	h2 = sh;
	435
	436	for( i = 0, it = sh.begin(); it != sh.end(); ++it, ++i )
	437	{
	438	CPPUNIT_ASSERT( h1[it->first] == it->second );
	439	CPPUNIT_ASSERT( h2[it->first] == it->second );
	440	}
	441
	442	// other tests
	443	for( i = 0; i < count; ++i )
	444	{
d8b6309b	445	MakeKeyValuePair(i, count, buf, value);
7d9cfc54 MB	446	size_t sz = sh.size();
	447
	448	// test find() and erase(it)
	449	if( i < 100 )
	450	{
	451	it = sh.find( buf );
	452	CPPUNIT_ASSERT( it != sh.end() );
	453
	454	sh.erase( it );
	455
	456	CPPUNIT_ASSERT( sh.find( buf ) == sh.end() );
	457	}
	458	else
	459	// test erase(key)
	460	{
	461	size_t c = sh.erase( buf );
	462	CPPUNIT_ASSERT( c == 1 );
	463	CPPUNIT_ASSERT( sh.find( buf ) == sh.end() );
	464	}
	465
	466	// count should decrease
	467	CPPUNIT_ASSERT( sh.size() == sz - 1 );
	468	}
cbca1e08 MB	469	}
cbca1e08 MB	470
d8b6309b MW	471	void HashesTestCase::StringHashMapTest() { HashMapTest<myStringHashMap>(); }
	472	void HashesTestCase::PtrHashMapTest() { HashMapTest<myPtrHashMap>(); }
	473	void HashesTestCase::LongHashMapTest() { HashMapTest<myLongHashMap>(); }
	474	void HashesTestCase::ULongHashMapTest() { HashMapTest<myUnsignedHashMap>(); }
	475	void HashesTestCase::UIntHashMapTest() { HashMapTest<myTestHashMap1>(); }
	476	void HashesTestCase::IntHashMapTest() { HashMapTest<myTestHashMap2>(); }
	477	void HashesTestCase::ShortHashMapTest() { HashMapTest<myTestHashMap3>(); }
	478	void HashesTestCase::UShortHashMapTest() { HashMapTest<myTestHashMap4>(); }
	479
	480	#ifdef TEST_LONGLONG
	481	void HashesTestCase::LLongHashMapTest() { HashMapTest<myLLongHashMap>(); }
	482	void HashesTestCase::ULLongHashMapTest() { HashMapTest<myULLongHashMap>(); }
	483	#endif
	484
7d9cfc54 MB	485	// test compilation of basic set types
	486	WX_DECLARE_HASH_SET( int*, wxPointerHash, wxPointerEqual, myPtrHashSet );
	487	WX_DECLARE_HASH_SET( long, wxIntegerHash, wxIntegerEqual, myLongHashSet );
	488	WX_DECLARE_HASH_SET( unsigned long, wxIntegerHash, wxIntegerEqual,
	489	myUnsignedHashSet );
	490	WX_DECLARE_HASH_SET( unsigned int, wxIntegerHash, wxIntegerEqual,
	491	myTestHashSet1 );
	492	WX_DECLARE_HASH_SET( int, wxIntegerHash, wxIntegerEqual,
	493	myTestHashSet2 );
	494	WX_DECLARE_HASH_SET( short, wxIntegerHash, wxIntegerEqual,
	495	myTestHashSet3 );
	496	WX_DECLARE_HASH_SET( unsigned short, wxIntegerHash, wxIntegerEqual,
	497	myTestHashSet4 );
	498	WX_DECLARE_HASH_SET( wxString, wxStringHash, wxStringEqual,
	499	myTestHashSet5 );
	500
	501	struct MyStruct
	502	{
	503	int* ptr;
	504	wxString str;
	505	};
	506
	507	class MyHash
	508	{
	509	public:
	510	unsigned long operator()(const MyStruct& s) const
	511	{ return m_dummy(s.ptr); }
	512	MyHash& operator=(const MyHash&) { return *this; }
	513	private:
	514	wxPointerHash m_dummy;
	515	};
	516
	517	class MyEqual
	518	{
	519	public:
	520	bool operator()(const MyStruct& s1, const MyStruct& s2) const
	521	{ return s1.ptr == s2.ptr; }
	522	MyEqual& operator=(const MyEqual&) { return *this; }
	523	};
	524
	525	WX_DECLARE_HASH_SET( MyStruct, MyHash, MyEqual, mySet );
	526
	527	typedef myTestHashSet5 wxStringHashSet;
	528
cbca1e08 MB	529	void HashesTestCase::wxHashSetTest()
cbca1e08 MB	530	{
7d9cfc54 MB	531	wxStringHashSet set1;
	532
	533	set1.insert( _T("abc") );
	534
	535	CPPUNIT_ASSERT( set1.size() == 1 );
	536
	537	set1.insert( _T("bbc") );
	538	set1.insert( _T("cbc") );
	539
	540	CPPUNIT_ASSERT( set1.size() == 3 );
	541
	542	set1.insert( _T("abc") );
	543
	544	CPPUNIT_ASSERT( set1.size() == 3 );
	545
	546	mySet set2;
	547	int dummy;
	548	MyStruct tmp;
	549
	550	tmp.ptr = &dummy; tmp.str = _T("ABC");
	551	set2.insert( tmp );
	552	tmp.ptr = &dummy + 1;
	553	set2.insert( tmp );
	554	tmp.ptr = &dummy; tmp.str = _T("CDE");
	555	set2.insert( tmp );
	556
	557	CPPUNIT_ASSERT( set2.size() == 2 );
	558
	559	mySet::iterator it = set2.find( tmp );
	560
	561	CPPUNIT_ASSERT( it != set2.end() );
	562	CPPUNIT_ASSERT( it->ptr == &dummy );
	563	CPPUNIT_ASSERT( it->str == _T("ABC") );
cbca1e08	564	}