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244 lines
6.9 KiB
244 lines
6.9 KiB
/* Test driver for class HashTable */
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/* Author: Paul Larson, [email protected] */
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/* Much hacked upon by George V. Reilly, [email protected] */
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#include <windows.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "str-num.h"
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#ifdef LKR_APPLY_IF
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// A class to exercise ApplyIf()
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class CApplyIfTest
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{
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public:
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static LK_PREDICATE WINAPI
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Predicate(const CTest* pTest, void* pvState)
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{
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CApplyIfTest* pThis = static_cast<CApplyIfTest*>(pvState);
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++pThis->m_cPreds;
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IRTLTRACE("CApplyIfTest::Predicate(%p (%s, %d), %p)\n",
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pTest, pTest->m_sz, pTest->m_n, pThis);
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return ((pTest->m_n % 10 == 7)
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? LKP_PERFORM
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: LKP_NO_ACTION);
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}
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static LK_ACTION WINAPI
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Action(const CTest* pTest, void* pvState)
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{
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CApplyIfTest* pThis = static_cast<CApplyIfTest*>(pvState);
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++pThis->m_cActions;
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LK_ACTION lka = ((pTest->m_n > 30)
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? LKA_SUCCEEDED
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: LKA_FAILED);
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IRTLTRACE("CApplyIfTest::Action(%p (%s, %d), %p) %s\n",
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pTest, pTest->m_sz, pTest->m_n, pThis,
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lka == LKA_SUCCEEDED ? "succeeded" : "failed");
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if (lka == LKA_SUCCEEDED)
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++pThis->m_cSuccesses;
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else if (lka == LKA_FAILED)
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++pThis->m_cFailures;
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return lka;
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}
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int m_cPreds;
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int m_cActions;
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int m_cSuccesses;
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int m_cFailures;
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CApplyIfTest()
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: m_cPreds(0), m_cActions(0), m_cSuccesses(0), m_cFailures(0)
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{}
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};
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// The Predicate and Action functions can be static member functions,
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// but don't have to be
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LK_PREDICATE WINAPI
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DeleteIfGt10(
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const CTest* pTest,
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void* pvState)
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{
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IRTLTRACE("DeleteIfGt10(%p, %s, %p) = %d\n",
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pTest, pTest->m_sz, pvState, pTest->m_n);
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return ((pTest->m_n > 10)
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? LKP_PERFORM
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: LKP_NO_ACTION);
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}
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#endif // LKR_APPLY_IF
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void Test(
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bool fVerbose)
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{
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// Some objects for the hash tables
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CTest tl(5, "Larson", true);
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CTest tk(17, "Krishnan", false);
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CTest tr(37, "Reilly", true);
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// A string-keyed hash table
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CStringTestHashTable stht;
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IRTLVERIFY(LK_SUCCESS == stht.InsertRecord(&tl));
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IRTLVERIFY(LK_SUCCESS == stht.InsertRecord(&tk));
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IRTLVERIFY(LK_SUCCESS == stht.InsertRecord(&tr));
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IRTLTRACE("Check the overwrite feature of InsertRecord\n");
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IRTLVERIFY(LK_KEY_EXISTS == stht.InsertRecord(&tr, false));
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IRTLASSERT(tr.m_cRefs == 1);
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IRTLVERIFY(LK_SUCCESS == stht.InsertRecord(&tr, true));
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IRTLASSERT(tr.m_cRefs == 1); // 1+1-1 == 1
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IRTLTRACE("Check that the keys are really present in the table and that "
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"the refcounting works\n");
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const CTest* pTest = NULL;
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IRTLVERIFY(LK_SUCCESS == stht.FindKey(tl.m_sz, &pTest) && pTest == &tl);
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IRTLASSERT(tl.m_cRefs == 2);
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IRTLVERIFY(LK_SUCCESS == stht.FindKey(tk.m_sz, &pTest) && pTest == &tk);
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IRTLASSERT(tk.m_cRefs == 2);
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IRTLVERIFY(LK_SUCCESS == stht.FindKey(tr.m_sz, &pTest) && pTest == &tr);
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IRTLASSERT(tr.m_cRefs == 2);
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IRTLVERIFY(LK_SUCCESS == stht.FindRecord(&tr));
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IRTLASSERT(tr.m_cRefs == 2); // FindRecord does not addref
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IRTLTRACE("Look for a key under an alternate spelling "
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"(case-insensitive)\n");
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IRTLVERIFY(LK_SUCCESS == stht.FindKey("rEiLlY", &pTest) && pTest == &tr);
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IRTLASSERT(tr.m_cRefs == 3);
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IRTLTRACE("Release the references added by FindKey\n");
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stht.AddRefRecord(&tl, LKAR_EXPLICIT_RELEASE);
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tk.m_cRefs--;
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tr.m_cRefs = 1;
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IRTLTRACE("Now build the numeric hash table\n");
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CNumberTestHashTable ntht;
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IRTLVERIFY(LK_SUCCESS == ntht.InsertRecord(&tl));
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IRTLVERIFY(LK_SUCCESS == ntht.InsertRecord(&tk));
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IRTLVERIFY(LK_SUCCESS == ntht.InsertRecord(&tr));
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#ifdef LKR_APPLY_IF
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IRTLTRACE("Test ApplyIf()\n");
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CApplyIfTest ait;
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IRTLVERIFY(1 == ntht.ApplyIf(ait.Predicate, ait.Action, &ait));
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IRTLASSERT(3 == ait.m_cPreds && 2 == ait.m_cActions
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&& 1 == ait.m_cSuccesses && 1 == ait.m_cFailures);
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IRTLTRACE("Test DeleteIf()\n");
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IRTLASSERT(3 == ntht.Size());
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ntht.DeleteIf(DeleteIfGt10, NULL);
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IRTLASSERT(1 == ntht.Size());
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IRTLTRACE("Check that the keys that were supposed to be deleted "
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"really are gone\n");
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IRTLASSERT(tl.m_n <= 10);
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IRTLVERIFY(LK_SUCCESS == ntht.FindKey(tl.m_n, &pTest) && pTest == &tl);
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ntht.AddRefRecord(pTest, LKAR_EXPLICIT_RELEASE); // release ref
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IRTLASSERT(tk.m_n > 10);
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IRTLVERIFY(LK_NO_SUCH_KEY == ntht.FindKey(tk.m_n, &pTest)
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&& pTest == NULL);
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IRTLASSERT(tr.m_n > 10);
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IRTLVERIFY(LK_NO_SUCH_KEY == ntht.FindKey(tr.m_n, &pTest)
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&& pTest == NULL);
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IRTLVERIFY(LK_SUCCESS == ntht.DeleteKey(tl.m_n));
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IRTLASSERT(0 == ntht.Size());
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#endif // LKR_APPLY_IF
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#ifdef LKR_DEPRECATED_ITERATORS
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IRTLTRACE("Check Iterators\n");
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DWORD cRec = 0;
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CStringTestHashTable::CIterator iter;
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LK_RETCODE lkrc = stht.InitializeIterator(&iter);
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while (lkrc == LK_SUCCESS)
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{
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++cRec;
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CStringTestHashTable::Key pszKey = iter.Key();
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CStringTestHashTable::Record* pRec = iter.Record();
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IRTLASSERT(pRec == &tl || pRec == &tk || pRec == &tr);
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if (fVerbose)
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printf("Record(%p) contains \"%s\"\n", pRec, pszKey);
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lkrc = stht.IncrementIterator(&iter);
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}
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IRTLASSERT(lkrc == LK_NO_MORE_ELEMENTS);
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lkrc = stht.CloseIterator(&iter);
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IRTLASSERT(lkrc == LK_SUCCESS);
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IRTLASSERT(cRec == stht.Size());
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IRTLTRACE("Check const iterators\n");
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const CStringTestHashTable& sthtConst = stht;
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CStringTestHashTable::CConstIterator iterConst;
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cRec = 0;
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lkrc = sthtConst.InitializeIterator(&iterConst);
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while (lkrc == LK_SUCCESS)
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{
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++cRec;
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const CStringTestHashTable::Key pszKey = iterConst.Key();
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const CStringTestHashTable::Record* pRec = iterConst.Record();
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IRTLASSERT(pRec == &tl || pRec == &tk || pRec == &tr);
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if (fVerbose)
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printf("Const Record(%p) contains \"%s\"\n", pRec, pszKey);
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lkrc = sthtConst.IncrementIterator(&iterConst);
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}
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IRTLASSERT(lkrc == LK_NO_MORE_ELEMENTS);
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lkrc = sthtConst.CloseIterator(&iterConst);
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IRTLASSERT(lkrc == LK_SUCCESS);
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IRTLASSERT(cRec == sthtConst.Size());
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#endif // LKR_DEPRECATED_ITERATORS
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#if 0
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IRTLTRACE("Check Clear\n");
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stht.Clear();
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IRTLASSERT(0 == stht.Size());
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#else
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IRTLTRACE("Check DeleteKey\n");
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IRTLVERIFY(LK_SUCCESS == stht.DeleteKey(tl.m_sz));
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IRTLVERIFY(LK_SUCCESS == stht.DeleteKey(tk.m_sz));
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IRTLVERIFY(LK_SUCCESS == stht.DeleteKey(tr.m_sz));
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#endif
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IRTLTRACE("Test done\n");
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// ~CTest will check for m_cRefs==0
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}
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int __cdecl
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main(
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int argc,
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char **argv)
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{
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Test(true);
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return(0) ;
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} /* main */
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