public void Dictionary_OnProperty_simpleKey_simpleValue()
{
var victim = new SimpleKeyValueVictim
{
Dictionary = new Dictionary <string, int>
{
{ "one", 1 },
{ "two", 2 }
}
};
var type = victim.GetType();
var callCounts = new Dictionary <string, int>
{
{ ".Root", 0 },
{ "Dictionary[one]", 0 },
{ "Dictionary[two]", 0 }
};
// the calls for the list field and each of its elements
A.CallTo(() => listener.OnProperty(GetProp(type, "Dictionary"), A <Func <object> > ._, A <InstanceTraversalContext> ._))
.Invokes(x =>
{
var ctx = (InstanceTraversalContext)x.Arguments[2];
if (ctx.CurrentDepth == 0)
{
callCounts[".Root"]++;
return;
}
// for the individual elements
Assert.Equal(1, ctx.CurrentDepth);
callCounts[ctx.BreadcrumbAsString]++;
})
.Returns(new SimpleInstanceListenerOnFieldOrPropResult {
DoContinueRecursion = true
});
Traverser.TraverseInstance(victim, 5, listener);
// all "methods" should have been called exactly once
foreach (var(key, value) in callCounts)
{
// this sillyness provides us with a hint for which thing was not called as expected
Assert.Equal($"{key}=1", $"{key}={value}");
}
}
public void Dictionary_OnProperty_stopTraversing_becauseOnPropertyReturnsFalse()
{
var victim = new SimpleKeyValueVictim
{
Dictionary = new Dictionary <string, int>
{
{ "one", 1 },
{ "two", 2 }
}
};
var type = victim.GetType();
var callCounts = new Dictionary <string, int>
{
{ ".Root", 0 },
{ "Dictionary[one]", 0 },
{ "Dictionary[two]", 0 }
};
// the calls for the list field and each of its elements
A.CallTo(() => listener.OnProperty(GetProp(type, "Dictionary"), A <Func <object> > ._, A <InstanceTraversalContext> ._))
.Invokes(x =>
{
var ctx = (InstanceTraversalContext)x.Arguments[2];
if (ctx.CurrentDepth == 0)
{
callCounts[".Root"]++;
return;
}
// for the individual elements
Assert.Equal(1, ctx.CurrentDepth);
callCounts[ctx.BreadcrumbAsString]++;
})
.Returns(new SimpleInstanceListenerOnFieldOrPropResult {
DoContinueRecursion = false
}); // do not traverse further down this path
Traverser.TraverseInstance(victim, 5, listener);
Assert.Equal(1, callCounts[".Root"]);
Assert.Equal(0, callCounts["Dictionary[one]"]);
Assert.Equal(0, callCounts["Dictionary[two]"]);
}