[Fact] public void EvaluateTest()
{
Day18.Evaluate("2 * 3 + (4 * 5)").Should().Be(26);
Day18.Evaluate("((2 + 4 * 9) * (6 + 9 * 8 + 6) + 6) + 2 + 4 * 2").Should().Be(13632);
Day18.Evaluate("(2 )*( 3 + ((4 )*( 5)))").Should().Be(46);
}
public void MultipleExpression(string expr, int expected)
{
var d = new Day18();
var result = d.Evaluate(expr);
result.Should().Be(expected);
}
public void WithParentheses(string expr, int expected)
{
var d = new Day18();
var result = d.Evaluate(expr);
result.Should().Be(expected);
}
public void SimpleExpression()
{
var expr = "1 + 3";
var d = new Day18();
var result = d.Evaluate(expr);
result.Should().Be(4);
}
public void Y2020_Day18_Evaluate_Returns_Correct_Value(
int version,
string expression,
long expected)
{
// Act
long actual = Day18.Evaluate(new[] { expression }, version);
// Assert
actual.ShouldBe(expected);
}
