Exemple #1
0
        public void DecrementRefCount_Test()
        {
            uint minUsedBlocks = Heap.FBlock->used;
            int startNumObjs = Kernel.FOS_System.GC.NumObjs;

            Kernel.FOS_System.Type newObjType = new TestType();
            byte* newObjPtr = (byte*)Kernel.FOS_System.GC.NewObj(newObjType);
            GCHeader* newObjHeaderPtr = (GCHeader*)(newObjPtr - sizeof(GCHeader));
            Assert.AreEqual(1u, newObjHeaderPtr->RefCount, "Ref count not set to 1!");
            Kernel.FOS_System.GC._DecrementRefCount(newObjPtr);
            Assert.AreEqual(0u, newObjHeaderPtr->RefCount, "Ref count not decremented!");
            Assert.AreEqual(startNumObjs, Kernel.FOS_System.GC.NumObjs, "Num objs not decremented!");

            Assert.AreEqual(minUsedBlocks, Heap.FBlock->used, "Memory not free'd after ref count hit 0!");
        }
Exemple #2
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        public void NewObj_Test()
        {
            int startNumObjs = Kernel.FOS_System.GC.NumObjs;

            Kernel.FOS_System.Type newObjType = new TestType();
            byte* newObjPtr = (byte*)Kernel.FOS_System.GC.NewObj(newObjType);
            GCHeader* newObjHeaderPtr = (GCHeader*)(newObjPtr - sizeof(GCHeader));
            Assert.IsTrue(Kernel.FOS_System.GC.CheckSignature(newObjHeaderPtr), "Signature not set properly!");
            Assert.AreEqual(1u, newObjHeaderPtr->RefCount, "Ref count not set to 1!");
            Assert.AreEqual(startNumObjs + 1, Kernel.FOS_System.GC.NumObjs, "NumObjs not set correctly!");

            for (int i = 0; i < newObjType.Size; i++)
            {
                Assert.AreEqual(0u, newObjPtr[i], "Memory not initialised to 0 properly!");
            }
        }
Exemple #3
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 public void IncrementRefCount_Test()
 {
     Kernel.FOS_System.Type newObjType = new TestType();
     byte* newObjPtr = (byte*)Kernel.FOS_System.GC.NewObj(newObjType);
     GCHeader* newObjHeaderPtr = (GCHeader*)(newObjPtr - sizeof(GCHeader));
     Assert.AreEqual(1u, newObjHeaderPtr->RefCount, "Ref count not set to 1!");
     Kernel.FOS_System.GC._IncrementRefCount(newObjPtr);
     Assert.AreEqual(2u, newObjHeaderPtr->RefCount, "Ref count not incremented!");
 }