public void Sum_CollectConstants_SingleExpressionRemains()
{
var expression = Sum(2, 5, -7, "x");
var simplifier = new CollectNumbersInSumSimplifier();
var result = simplifier.Simplify(expression, CancellationToken.None);
Assert.IsInstanceOfType(result, typeof(SymbolExpression));
}
public void Sum_CollectConstants_OnlyConstants()
{
var expression = Sum(2, 5, 7);
var simplifier = new CollectNumbersInSumSimplifier();
var result = simplifier.Simplify(expression, CancellationToken.None);
Assert.IsInstanceOfType(result, typeof(NumberExpression));
Assert.AreEqual(14, result.GetConstantValue());
}
public void Sum_CollectConstants()
{
var x = Symbol("x");
var expression = Sum(2, 5, x);
var simplifier = new CollectNumbersInSumSimplifier();
var result = simplifier.Simplify(expression, CancellationToken.None);
Assert.AreEqual(x + 7, result);
}
