public void RequestMemoryPageTest()
{
PhysicalMemory mem = new PhysicalMemory(10);
MemoryPage p1 = new MemoryPage(0, 0, "Unit Test", -1);
MemoryPage p2 = new MemoryPage(1, 1 * MemoryPage.PAGE_SIZE, "Unit Test", -1);
mem.AddPage(p1, 0);
mem.AddPage(p2, 1);
MemoryPage req = mem.RequestMemoryPage(1);
Assert.AreEqual(p2, req);
}
public void AddPageTest()
{
PhysicalMemory mem = new PhysicalMemory(10);
MemoryPage m = new MemoryPage(0, 0, "Unit Test", -1);
mem.AddPage(m, 0);
Assert.IsTrue(mem.Pages.Contains(m));
}
public void isFullTest()
{
PhysicalMemory m = new PhysicalMemory(10);
for (int i = 0; i < m.Capacity; i++)
{
m.AddPage(new MemoryPage(0, 0, "Unit Test", -1), i);
}
Assert.IsTrue(m.isFull());
}
public void SwapOutTest()
{
PhysicalMemory mem = new PhysicalMemory(10);
PageTable table = new PageTable(0);
MemoryPage m = new MemoryPage(0, 0, "Unit Test", -1);
mem.AddPage(m, 0);
m.SwapOut(0, 0);
Assert.IsTrue(table.Entries[0].SwappedOut);
}
/// <summary>
/// This function allocates memory for processes
/// </summary>
/// <param name="proc">reference to the process to allocate memory too</param>
public void AllocateProcessMemory(ref SimulatorProcess proc)
{
if (proc == null)
{
MessageBox.Show("Can't allocate memory for a null process");
return;
}
dynamic wind = GetMainWindowInstance();
PhysicalMemory mem = wind.Memory;
for (int i = 0; i < proc.ProcessMemory; i++)
{
MemoryPage m = new MemoryPage(i, i * MemoryPage.PAGE_SIZE, proc.Program.Name, proc.ProcessID);
mem.AddPage(m, i);
}
}