Changes in / [41194a:c0917c]

Location:

src

Files:

• builder.cpp (modified) (2 diffs)
• memoryusageobserver.cpp (modified) (5 diffs)
• memoryusageobserver.hpp (modified) (2 diffs)
• memoryusageobserverunittest.cpp (modified) (1 diff)
• memoryusageobserverunittest.hpp (modified) (2 diffs)

src/builder.cpp

@@ -2017 +2017 @@
       delete(molecules); // also free's all molecules contained
       delete(periode);
-      return j;
+      cout << Verbose(0) <<  "Maximum of allocated memory: "
+        << MemoryUsageObserver::getInstance()->getMaximumUsedMemory() << endl;
+      cout << Verbose(0) <<  "Remaining non-freed memory: "
+        << MemoryUsageObserver::getInstance()->getUsedMemorySize() << endl;
+     return j;
       break;
     case 1:  // just for -v and -h options
       delete(molecules); // also free's all molecules contained
       delete(periode);
+      cout << Verbose(0) <<  "Maximum of allocated memory: "
+        << MemoryUsageObserver::getInstance()->getMaximumUsedMemory() << endl;
       cout << Verbose(0) <<  "Remaining non-freed memory: "
         << MemoryUsageObserver::getInstance()->getUsedMemorySize() << endl;
@@ -2123 +2129 @@
   delete(periode);
 
+  cout << Verbose(0) <<  "Maximum of allocated memory: "
+    << MemoryUsageObserver::getInstance()->getMaximumUsedMemory() << endl;
   cout << Verbose(0) <<  "Remaining non-freed memory: "
     << MemoryUsageObserver::getInstance()->getUsedMemorySize() << endl;

src/memoryusageobserver.cpp

@@ -15 +15 @@
 MemoryUsageObserver::MemoryUsageObserver() {
   instance = NULL;
+  maximumSize = 0;
+  totalSize = 0;
 }
 
@@ -24 +26 @@
     memoryUsers.erase(current);
   }
+
+  maximumSize = 0;
+  totalSize = 0;
 }
 
@@ -57 +62 @@
  */
 void MemoryUsageObserver::addMemory(void* pointer, size_t size) {
+  // Memory might become reseized so we need to check whether the provided pointer is already tracked.
+  map<void*, size_t>::iterator current = memoryUsers.find(pointer);
+  if (current != memoryUsers.end()) {
+    totalSize -= current->second;
+  }
+
   memoryUsers[pointer] = size;
+  totalSize += size;
+  maximumSize = (totalSize > maximumSize) ? totalSize : maximumSize;
 }
 
@@ -74 +87 @@
   }
 
+  totalSize -= current->second;
   memoryUsers.erase(current);
 }
@@ -81 +95 @@
  */
 size_t MemoryUsageObserver::getUsedMemorySize() {
-  size_t totalSize = 0;
-
-  for (map<void*, size_t>::iterator current = memoryUsers.begin(); current != memoryUsers.end(); current++) {
-    totalSize += current->second;
-  }
-
   return totalSize;
 }
+
+/**
+ * Gets the maximum size of allocated memory until now.
+ */
+size_t MemoryUsageObserver::getMaximumUsedMemory() {
+  return maximumSize;
+}

src/memoryusageobserver.hpp

@@ -30 +30 @@
   void removeMemory(void* pointer);
   size_t getUsedMemorySize();
+  size_t getMaximumUsedMemory();
 
 protected:
@@ -40 +41 @@
   static MemoryUsageObserver* instance;
   map<void*, size_t> memoryUsers;
+  size_t totalSize, maximumSize;
 };
 #endif /*MEMORYUSAGEOBSERVER_HPP_*/

src/memoryusageobserverunittest.cpp

@@ -104 +104 @@
  };
 
+/**
+ * UnitTest for getMaximumUsedMemory()
+ */
+void MemoryUsageObserverTest::addMemoryChangeSizeOfAddedMemoryAndGetMaximumSizeTest()
+{
+  int* i = new int;
+  MemoryUsageObserver::getInstance()->addMemory(i, 2 * sizeof(int));
+  MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
+  CPPUNIT_ASSERT_EQUAL(2 * sizeof(int), MemoryUsageObserver::getInstance()->getMaximumUsedMemory());
+ };
+
+/**
+ * UnitTest for getMaximumUsedMemory()
+ */
+void MemoryUsageObserverTest::addMemoryRemoveMemoryAndGetMaximumSizeTest()
+{
+  int* i = new int;
+  MemoryUsageObserver::getInstance()->addMemory(i, sizeof(int));
+  MemoryUsageObserver::getInstance()->removeMemory(i);
+  CPPUNIT_ASSERT_EQUAL(sizeof(int), MemoryUsageObserver::getInstance()->getMaximumUsedMemory());
+ };
 /********************************************** Main routine **************************************/
 

src/memoryusageobserverunittest.hpp

@@ -22 +22 @@
     CPPUNIT_TEST ( addMemoryTwiceTest );
     CPPUNIT_TEST ( addMemoryAndChangeSizeOfAddedMemoryTest );
+    CPPUNIT_TEST ( addMemoryChangeSizeOfAddedMemoryAndGetMaximumSizeTest );
+    CPPUNIT_TEST ( addMemoryRemoveMemoryAndGetMaximumSizeTest );
     CPPUNIT_TEST_SUITE_END();
 
@@ -35 +37 @@
     void addMemoryTwiceTest();
     void addMemoryAndChangeSizeOfAddedMemoryTest();
+    void addMemoryChangeSizeOfAddedMemoryAndGetMaximumSizeTest();
+    void addMemoryRemoveMemoryAndGetMaximumSizeTest();
 };