public void GetsAllHopsAdded()
{
var route = new BindingScope.ScopeNamingRoute();
var d1 = new DependencyObject();
var d2 = new DependencyObject();
var d3 = new DependencyObject();
var d4 = new DependencyObject();
route.AddHop(d1, d2);
route.AddHop(d2, d3);
route.AddHop(d3, d4);
var all = new List<DependencyObject> { d2, d3, d4 };
var source = d1;
DependencyObject target;
while (route.TryGetHop(source, out target))
{
all.Remove(target);
source = target;
}
Assert.Empty(all);
}
public void GetsAllHopsAdded()
{
var route = new BindingScope.ScopeNamingRoute();
var d1 = new DependencyObject();
var d2 = new DependencyObject();
var d3 = new DependencyObject();
var d4 = new DependencyObject();
route.AddHop(d1, d2);
route.AddHop(d2, d3);
route.AddHop(d3, d4);
var all = new List <DependencyObject> {
d2, d3, d4
};
var source = d1;
DependencyObject target;
while (route.TryGetHop(source, out target))
{
all.Remove(target);
source = target;
}
Assert.Empty(all);
}
public void RootCanBeSetIfNoHops()
{
var route = new BindingScope.ScopeNamingRoute();
var root = new DependencyObject();
route.Root = root;
Assert.Same(root, route.Root);
}
public void RootMustBePartOfPathIfAnyHops()
{
var route = new BindingScope.ScopeNamingRoute();
var d1 = new DependencyObject();
var d2 = new DependencyObject();
route.AddHop(d1, d2);
Assert.Throws<ArgumentException>(() => route.Root = new DependencyObject());
}
public void RootMustBePartOfPathIfAnyHops()
{
var route = new BindingScope.ScopeNamingRoute();
var d1 = new DependencyObject();
var d2 = new DependencyObject();
route.AddHop(d1, d2);
Assert.Throws <ArgumentException>(() => route.Root = new DependencyObject());
}
public void CorrectlyGetsAddedHop()
{
var route = new BindingScope.ScopeNamingRoute();
var d1 = new DependencyObject();
var d2 = new DependencyObject();
route.AddHop(d1, d2);
DependencyObject target;
var result = route.TryGetHop(d1, out target);
Assert.True(result);
Assert.Same(d2, target);
}
public void RootMustNotBeAHopTarget()
{
var route = new BindingScope.ScopeNamingRoute();
var d1 = new DependencyObject();
var d2 = new DependencyObject();
var d3 = new DependencyObject();
route.AddHop(d1, d2);
route.AddHop(d2, d3);
Assert.Throws <ArgumentException>(() => route.Root = d2);
}
public void CannotAddDisjointHops()
{
var route = new BindingScope.ScopeNamingRoute();
var d1 = new DependencyObject();
var d2 = new DependencyObject();
var d3 = new DependencyObject();
var d4 = new DependencyObject();
// d1 -> d2 and d3 -> d4, but d2 doesn't lead to d3, so d3 -> d4 is rejected
route.AddHop(d1, d2);
Assert.Throws<ArgumentException>(() => route.AddHop(d3, d4));
}
public void CannotAddDisjointHops()
{
var route = new BindingScope.ScopeNamingRoute();
var d1 = new DependencyObject();
var d2 = new DependencyObject();
var d3 = new DependencyObject();
var d4 = new DependencyObject();
// d1 -> d2 and d3 -> d4, but d2 doesn't lead to d3, so d3 -> d4 is rejected
route.AddHop(d1, d2);
Assert.Throws <ArgumentException>(() => route.AddHop(d3, d4));
}
public void PreventsRoutingCycles()
{
var route = new BindingScope.ScopeNamingRoute();
var d1 = new DependencyObject();
var d2 = new DependencyObject();
var d3 = new DependencyObject();
var d4 = new DependencyObject();
route.AddHop(d1, d2);
route.AddHop(d2, d3);
route.AddHop(d3, d4);
Assert.Throws<ArgumentException>(() => route.AddHop(d4, d1));
}
public void PreventsRoutingCycles()
{
var route = new BindingScope.ScopeNamingRoute();
var d1 = new DependencyObject();
var d2 = new DependencyObject();
var d3 = new DependencyObject();
var d4 = new DependencyObject();
route.AddHop(d1, d2);
route.AddHop(d2, d3);
route.AddHop(d3, d4);
Assert.Throws <ArgumentException>(() => route.AddHop(d4, d1));
}
public void CorrectlyGetsAddedHop()
{
var route = new BindingScope.ScopeNamingRoute();
var d1 = new DependencyObject();
var d2 = new DependencyObject();
route.AddHop(d1, d2);
DependencyObject target;
var result = route.TryGetHop(d1, out target);
Assert.True(result);
Assert.Same(d2, target);
}
public void RootMustNotBeAHopTarget()
{
var route = new BindingScope.ScopeNamingRoute();
var d1 = new DependencyObject();
var d2 = new DependencyObject();
var d3 = new DependencyObject();
route.AddHop(d1, d2);
route.AddHop(d2, d3);
Assert.Throws<ArgumentException>(() => route.Root = d2);
}
public void RootCanBeSetIfNoHops()
{
var route = new BindingScope.ScopeNamingRoute();
var root = new DependencyObject();
route.Root = root;
Assert.Same(root, route.Root);
}