static void CheckTable( const MyTable& x, int n ) {
ASSERT( x.size()==size_t(n), "table is different size than expected" );
ASSERT( x.empty()==(n==0), NULL );
ASSERT( x.size()<=x.max_size(), NULL );
for( int i=1; i<=n; ++i ) {
MyKey key( MyKey::make(-i) );
typename MyTable::const_accessor a;
bool b = x.find(a,key);
ASSERT( b, NULL );
ASSERT( a->second.value_of()==i*i, NULL );
}
int count = 0;
int key_sum = 0;
for( typename MyTable::const_iterator i(x.begin()); i!=x.end(); ++i ) {
++count;
key_sum += -i->first.value_of();
}
ASSERT( count==n, NULL );
ASSERT( key_sum==n*(n+1)/2, NULL );
}
//! Test travering the tabel with a parallel range
void ParallelTraverseTable( MyTable& table, size_t n, size_t expected_size ) {
REMARK("testing parallel traversal\n");
ASSERT( table.size()==expected_size, NULL );
AtomicByte* array = new AtomicByte[n];
memset( array, 0, n*sizeof(AtomicByte) );
MyTable::range_type r = table.range(10);
tbb::parallel_for( r, ParallelTraverseBody<MyTable::range_type>( array, n ));
Check( array, n, expected_size );
const MyTable& const_table = table;
memset( array, 0, n*sizeof(AtomicByte) );
MyTable::const_range_type cr = const_table.range(10);
tbb::parallel_for( cr, ParallelTraverseBody<MyTable::const_range_type>( array, n ));
Check( array, n, expected_size );
delete[] array;
}
void TestRehash() {
REMARK("testing rehashing\n");
MyTable w;
w.insert( std::make_pair(MyKey::make(-5), MyData()) );
w.rehash(); // without this, assertion will fail
MyTable::iterator it = w.begin();
int i = 0; // check for non-rehashed buckets
for( ; it != w.end(); i++ )
w.count( (it++)->first );
ASSERT( i == 1, NULL );
for( i=0; i<1000; i=(i<29 ? i+1 : i*2) ) {
for( int j=max(256+i, i*2); j<10000; j*=3 ) {
MyTable v;
FillTable( v, i );
ASSERT(int(v.size()) == i, NULL);
ASSERT(int(v.bucket_count()) <= j, NULL);
v.rehash( j );
ASSERT(int(v.bucket_count()) >= j, NULL);
CheckTable( v, i );
}
}
}
//! Test traversing the table with an iterator.
void TraverseTable( MyTable& table, size_t n, size_t expected_size ) {
REMARK("testing traversal\n");
size_t actual_size = table.size();
ASSERT( actual_size==expected_size, NULL );
size_t count = 0;
bool* array = new bool[n];
memset( array, 0, n*sizeof(bool) );
const MyTable& const_table = table;
MyTable::const_iterator ci = const_table.begin();
for( MyTable::iterator i = table.begin(); i!=table.end(); ++i ) {
// Check iterator
int k = i->first.value_of();
ASSERT( UseKey(k), NULL );
ASSERT( (*i).first.value_of()==k, NULL );
ASSERT( 0<=k && size_t(k)<n, "out of bounds key" );
ASSERT( !array[k], "duplicate key" );
array[k] = true;
++count;
// Check lower/upper bounds
std::pair<MyTable::iterator, MyTable::iterator> er = table.equal_range(i->first);
std::pair<MyTable::const_iterator, MyTable::const_iterator> cer = const_table.equal_range(i->first);
ASSERT(cer.first == er.first && cer.second == er.second, NULL);
ASSERT(cer.first == i, NULL);
ASSERT(std::distance(cer.first, cer.second) == 1, NULL);
// Check const_iterator
MyTable::const_iterator cic = ci++;
ASSERT( cic->first.value_of()==k, NULL );
ASSERT( (*cic).first.value_of()==k, NULL );
}
ASSERT( ci==const_table.end(), NULL );
delete[] array;
if( count!=expected_size ) {
REPORT("Line %d: count=%ld but should be %ld\n",__LINE__,long(count),long(expected_size));
}
}