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new hashtable.h invariants (#7296)

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* add copyright for dlist unit test

* new hashtable invariants

* add copyright
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LiviaSun 2024-07-19 14:01:42 -07:00 • committed by GitHub
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14
src/util/hashtable.h
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@ -12,6 +12,7 @@ Abstract:
Author:
Leonardo de Moura (leonardo) 2006-09-11.
Chuyue Sun (liviasun) 2024-07-18.
Revision History:
@ -639,6 +640,19 @@ public:
#ifdef Z3DEBUG
bool check_invariant() {
// The capacity must always be a power of two.
if (!is_power_of_two(m_capacity))
return false;
// The number of deleted plus the size must not exceed the capacity.
if (m_num_deleted + m_size > m_capacity)
return false;
// Checking that m_num_deleted is less than or equal to m_size.
if (m_num_deleted > m_size) {
return false;
}
entry * curr = m_table;
entry * end = m_table + m_capacity;
unsigned num_deleted = 0;