public void ComplexExpression()
{
var first = new Source();
var second = new Source();
var rx = new DebugReactiveExpression <string>(() => first.Woop ? "foo" : (second.Woop ? "bar" : "zoo"), "rx");
var counter = 0;
var expectation = 1;
Assert.AreEqual("zoo", rx.Evaluate());
rx.Subscribe(s => counter++);
second.Woop = true;
Assert.AreEqual(++expectation, counter);
Assert.AreEqual("bar", rx.Evaluate());
first.Woop = true;
Assert.AreEqual("foo", rx.Evaluate());
Assert.AreEqual(++expectation, counter);
second.Woop = false;
Assert.AreEqual("foo", rx.Evaluate());
Assert.AreEqual(expectation, counter);
second.Woop = true;
Assert.AreEqual("foo", rx.Evaluate());
Assert.AreEqual(expectation, counter);
first.Woop = false;
Assert.AreEqual("bar", rx.Evaluate());
Assert.AreEqual(++expectation, counter);
second.Woop = false;
Assert.AreEqual("zoo", rx.Evaluate());
Assert.AreEqual(++expectation, counter);
}
public void TestIndirectDiamondSituation2()
{
var input = new ReactiveVariable <int>();
var timesTwo = new DebugReactiveExpression <int>(() => input.Value * 2, "timesTwo");
var plusOne = new DebugReactiveExpression <int>(() => input.Value + 1, "plusOne");
var sumOfBoth = new DebugReactiveExpression <int>(() => timesTwo.Evaluate() + plusOne.Evaluate(), "sumOfBoth");
var counter = 0;
sumOfBoth.Subscribe(getValue => Const(getValue, () => counter++));
Assert.AreEqual(1, counter);
input.Value = 1;
Assert.AreEqual(2, counter);
input.Value = 2;
Assert.AreEqual(3, counter);
}
public void TestIndirectDiamondSituation()
{
var source = new DebugReactiveVariable <bool>(false, "source");
source.Value = true;
var mid1 = new DebugReactiveExpression <bool>(() => source.Value, "mid1");
var mid2 = new DebugReactiveExpression <bool>(() => source.Value, "mid2");
var sink = new DebugReactiveExpression <bool>(() => mid1.Evaluate() && mid2.Evaluate(), "sink");
var counter = 0;
sink.Subscribe(getSink => Const(getSink, () => counter++));
Assert.AreEqual(1, counter);
source.Value = false;
Assert.AreEqual(2, counter);
}
public void TestDebugMethodAndProperties()
{
var dependency = new WeakDependency(0, null);
Assert.AreEqual("empty reference", dependency.ToString());
var variable = new DebugReactiveVariable <bool>(false, "yo");
Assert.AreEqual("yo", variable.ToString());
var expression = new DebugReactiveExpression <bool>(() => variable.Value);
expression.Evaluate();
Assert.AreEqual("unnamed", expression.ToString());
Assert.True(variable.Dependents.Any());
Assert.False(expression.Dependents.Any());
var cache = new ReactiveCache <bool>(() => false);
Assert.False(cache.Dependents.Any());
}
public void NestedMultipleDependence()
{
var source1 = new Source();
var source2 = new Source();
var mid = new DebugReactiveExpression <bool>(() => source1.Woop ^ source2.Woop, "mid");
var top = new DebugReactiveExpression <bool>(() => mid.Evaluate() & source1.Woop, "top");
var topCounter = 0;
var midCounter = 0;
var topExpectation = 1;
var midExpectation = 1;
top.Subscribe(getValue => ReactiveManagerTest.Const(getValue, () => topCounter++));
mid.Subscribe(getValue => ReactiveManagerTest.Const(getValue, () => midCounter++));
Assert.AreEqual(topExpectation, topCounter);
Assert.AreEqual(midExpectation, midCounter);
source1.FlipWoop();
Assert.AreEqual(++topExpectation, topCounter);
Assert.AreEqual(++midExpectation, midCounter);
source2.FlipWoop();
Assert.AreEqual(++topExpectation, topCounter);
Assert.AreEqual(++midExpectation, midCounter);
}