public void Evaluate_Called_ReturnsValueFromSource()
{
var expression = new BoundValueExpression <SomeClass>(s => s.SomeValue, nameof(SomeClass.SomeValue));
var someClass = new SomeClass()
{
SomeValue = 5.0
};
Assert.That(expression.Evaluate(someClass), Is.EqualTo(5.0));
}
public void Value_WhenCloned_Unchanged()
{
var expression = new BoundValueExpression <SomeClass>(s => s.SomeValue, nameof(SomeClass.SomeValue));
var clone = (BoundValueExpression <SomeClass>)expression.Clone();
var someClass = new SomeClass()
{
SomeValue = 5.0
};
Assert.That(expression.Evaluate(someClass), Is.EqualTo(5.0));
Assert.That(clone.Evaluate(someClass), Is.EqualTo(5.0));
}
public void Evaluate_CalledSecondTimeWithDifferentValueOnSource_ReturnsNewValue()
{
var expression = new BoundValueExpression <SomeClass>(s => s.SomeValue, nameof(SomeClass.SomeValue));
var someClass = new SomeClass()
{
SomeValue = 5.0
};
expression.Evaluate(someClass);
someClass.SomeValue = 9.0;
Assert.That(expression.Evaluate(someClass), Is.EqualTo(9.0));
}
public void Visit(BoundValueExpression <T> expression)
{
// NOP
}