new tests for the UniqueAccess caches

Foundation/testsuite/src/ExpireCacheTest.cpp

@@ -1,7 +1,7 @@
 //
 // ExpireCacheTest.cpp
 //
-// $Id: //poco/Main/Foundation/testsuite/src/ExpireCacheTest.cpp#9 $
+// $Id: //poco/Main/Foundation/testsuite/src/ExpireCacheTest.cpp#10 $
 //
 // Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
 // and Contributors.
@@ -35,6 +35,7 @@
 #include "CppUnit/TestSuite.h"
 #include "Poco/Exception.h"
 #include "Poco/ExpireCache.h"
+#include "Poco/AccessExpireCache.h"
 #include "Poco/Bugcheck.h"
 #include "Poco/Thread.h"
 
@@ -155,6 +156,46 @@ void ExpireCacheTest::testDuplicateAdd()
 }
 
 
+
+void ExpireCacheTest::testAccessExpireN()
+{
+	// 3-1 represents the cache sorted by age, elements get replaced at the end of the list
+	// 3-1|5 -> 5 gets removed
+	AccessExpireCache<int, int> aCache(DURSLEEP);
+	aCache.add(1, 2); // 1
+	assert (aCache.has(1));
+	SharedPtr<int> tmp = aCache.get(1);
+	assert (!tmp.isNull());
+	assert (*tmp == 2);
+	assert (aCache.size() == 1);
+	Thread::sleep(DURWAIT);
+	assert (aCache.size() == 0);
+	assert (!aCache.has(1));
+
+	// tmp must still be valid, access it
+	assert (*tmp == 2);
+	tmp = aCache.get(1);
+	assert (!tmp);
+
+	aCache.add(1, 2); // 1
+	Thread::sleep(DURHALFSLEEP);
+	aCache.add(3, 4); // 3-1
+	assert (aCache.has(1));
+	assert (aCache.has(3));
+
+	Thread::sleep(DURHALFSLEEP+50); //3|1
+	assert (!aCache.has(1));
+	assert (*aCache.get(3) == 4);
+	Thread::sleep(DURHALFSLEEP+25); //3|1
+	assert (*aCache.get(3) == 4);
+	// removing illegal entries should work too
+	aCache.remove(666);
+
+	aCache.clear();
+	assert (!aCache.has(5));
+	assert (!aCache.has(3));
+}
+
 void ExpireCacheTest::setUp()
 {
 }
@@ -173,6 +214,7 @@ CppUnit::Test* ExpireCacheTest::suite()
 	CppUnit_addTest(pSuite, ExpireCacheTest, testExpire0);
 	CppUnit_addTest(pSuite, ExpireCacheTest, testExpireN);
 	CppUnit_addTest(pSuite, ExpireCacheTest, testDuplicateAdd);
+	CppUnit_addTest(pSuite, ExpireCacheTest, testAccessExpireN);
 
 	return pSuite;
 }