wxWidgets/tests/hashes/hashes.cpp
Mattia Barbon cbca1e087b Converted hash tests to CppUnit.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27395 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2004-05-22 17:51:35 +00:00

307 lines
7.7 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: tests/hashes/hashes.cpp
// Purpose: wxArray unit test
// Author: Vadim Zeitlin, Mattia Barbon
// Created: 2004-05-16
// RCS-ID: $Id$
// Copyright: (c) 2004 Vadim Zeitlin, Mattia Barbon
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/wxprec.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"
#include "wx/cppunit.h"
// --------------------------------------------------------------------------
// 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( wxHashMapTest );
CPPUNIT_TEST( wxHashSetTest );
CPPUNIT_TEST_SUITE_END();
void wxHashTableTest();
void wxUntypedHashTableDeleteContents();
void wxTypedHashTableTest();
void wxHashMapTest();
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 );
}
void HashesTestCase::wxHashMapTest()
{
}
void HashesTestCase::wxHashSetTest()
{
}