public void AllocateTooSmallSize()
{
PersistentHeap heap = InitHeap("HeapAllocateInARowTest", 5);
try
{
try
{
heap.Allocate(-1);
Assert.Fail("Should throw exception");
}
catch (InvalidElementSizeException) { }
heap.Allocate(4);
try
{
heap.Allocate(3);
Assert.Fail("Should throw exception");
}
catch (InvalidElementSizeException) { }
}
finally
{
heap.Close();
}
}
private static void PutGetTestAssert(byte[] buffer, PersistentHeap heap)
{
int token = heap.Allocate(buffer.Length);
heap.Put(token, buffer);
TestHelper.AssertByteArraysAreSame(buffer, heap.Get(token));
}
public void FreeMiddleSpaceTest()
{
PersistentHeap heap = InitHeap("HeapFreeMiddleSpaceTest", 5);
try
{
heap.Allocate(4);
int middle = heap.Allocate(6);
heap.Allocate(7);
heap.Free(middle);
}
finally
{
heap.Close();
}
}
public void FreeLastSpaceTest()
{
PersistentHeap heap = InitHeap("HeapFreeLastSpaceTest", 5);
try
{
heap.Allocate(4);
heap.Allocate(6);
int lastSpace = heap.Allocate(7);
heap.Free(lastSpace);
}
finally
{
heap.Close();
}
}
private static int PutGetAssert(byte[] bytes, PersistentHeap heap)
{
Debug.Assert(bytes.Length >= 4, "Your byte[] is too small to be put");
int space1 = heap.Allocate(bytes.Length);
heap.Put(space1, bytes);
TestHelper.AssertByteArraysAreSame(bytes, heap.Get(space1));
return(space1);
}
public void AllocateSplitTest()
{
PersistentHeap heap = InitHeap("HeapAllocateSplitTest", 9);
try
{
int space1 = PutGetAssert(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 }, heap);
int space2 = PutGetAssert(new byte[] { 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 }, heap);
int space3 = PutGetAssert(new byte[] { 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36 }, heap);
int space4 = PutGetAssert(new byte[] { 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48 }, heap);
heap.Free(space2);
int space2_3 = heap.Allocate(4);
Assert.IsTrue(space2 < space2_3);
Assert.IsTrue(space2_3 < space3);
}
finally
{
heap.Close();
}
}
public void FreeMergeAfterTest()
{
PersistentHeap heap = InitHeap("HeapFreeMergeAfterTest", 5);
try
{
heap.Allocate(4);
heap.Allocate(6);
heap.Allocate(7);
int previous = heap.Allocate(8);
int after = heap.Allocate(10);
heap.Allocate(5);
heap.Free(after);
heap.Free(previous);
}
finally
{
heap.Close();
}
}
public void FreeMergeBeforeTest()
{
PersistentHeap heap = InitHeap("HeapFreeMergeBeforeTest", 5);
try
{
heap.Allocate(4);
heap.Allocate(6);
int before = heap.Allocate(7);
int next = heap.Allocate(8);
heap.Allocate(10);
heap.Allocate(5);
heap.Free(before);
heap.Free(next);
}
finally
{
heap.Close();
}
}
public void FreeAddSpaceToEndOfFreeListTest()
{
PersistentHeap heap = InitHeap("HeapFreeAddSpaceToEndOfFreeListTest", 5);
try
{
heap.Allocate(4);
heap.Allocate(6);
int toFree1 = heap.Allocate(7);
heap.Allocate(8);
heap.Allocate(10);
int last = heap.Allocate(5);
heap.Free(toFree1);
heap.Free(last);
}
finally
{
heap.Close();
}
}
public void FreeMergeBothTest()
{
PersistentHeap heap = InitHeap("HeapFreeMergeBothTest", 5);
try
{
heap.Allocate(4);
heap.Allocate(6);
int before = heap.Allocate(7);
int middle = heap.Allocate(8);
int after = heap.Allocate(10);
heap.Allocate(5);
heap.Free(after);
heap.Free(before);
heap.Free(middle);
}
finally
{
heap.Close();
}
}
