public void ComplexTest()
{
var wtc = new WatchTestClass(2, 0);
var watcher = new PathWatcher<WatchTestClass, int>(wtc, w => w.Child.Child.Value);
Assert.AreEqual(0, watcher.Value);
wtc.Update(42);
Assert.AreEqual(42, watcher.Value);
int i = 0;
int rnd = int.MinValue;
int changeCount = 10;
int eventCount = 0;
watcher.ValueChanged += (sender, args) =>
{
eventCount++;
Assert.AreEqual(watcher.Value, rnd);
};
for (i = 0; i < changeCount; i++)
{
rnd = Util.Rnd.Next();
wtc.Update(rnd);
Assert.AreEqual(rnd, watcher.Value);
}
Assert.AreEqual(eventCount, changeCount);
WatchTestClass.Check();
}
public void ComplexTest()
{
var wtc = new WatchTestClass(2, 0);
var watcher = new PathWatcher <WatchTestClass, int>(wtc, w => w.Child.Child.Value);
Assert.AreEqual(0, watcher.Value);
wtc.Update(42);
Assert.AreEqual(42, watcher.Value);
int i = 0;
int rnd = int.MinValue;
int changeCount = 10;
int eventCount = 0;
watcher.ValueChanged += (sender, args) =>
{
eventCount++;
Assert.AreEqual(watcher.Value, rnd);
};
for (i = 0; i < changeCount; i++)
{
rnd = Util.Rnd.Next();
wtc.Update(rnd);
Assert.AreEqual(rnd, watcher.Value);
}
Assert.AreEqual(eventCount, changeCount);
WatchTestClass.Check();
}
public WatchTestClass(int depth, int value)
{
m_depth = depth;
if (depth > 0)
{
m_child = new WatchTestClass(depth - 1, value);
}
else
{
m_value = value;
}
s_instances.Add(this);
}
public WatchTestClass(int depth, int value)
{
m_depth = depth;
if (depth > 0)
{
m_child = new WatchTestClass(depth - 1, value);
}
else
{
m_value = value;
}
s_instances.Add(this);
}
public void Update(int value)
{
Debug.Assert(!m_dead);
if (m_depth > 0)
{
if (Util.Rnd.Next() % 2 == 0)
{
Child.Kill();
Child = new WatchTestClass(m_depth - 1, value);
}
else
{
Child.Update(value);
}
}
else
{
Value = value;
}
}
private void Kill()
{
Debug.Assert(!m_dead);
if (m_depth == 0)
{
Debug.Assert(m_child == null);
m_value = null;
}
else
{
Debug.Assert(!m_value.HasValue);
m_child.Kill();
m_child = null;
}
m_dead = true;
}
public void Update(int value)
{
Debug.Assert(!m_dead);
if (m_depth > 0)
{
if (Util.Rnd.Next() % 2 == 0)
{
Child.Kill();
Child = new WatchTestClass(m_depth - 1, value);
}
else
{
Child.Update(value);
}
}
else
{
Value = value;
}
}
